General Officers Alphabetical Union M to O

Generals of the Union Army, 1861-1865

Alphabetical M to O

Field Commands listed from Brigade to Army; Chief of Bureau at Army or Department Level; Territorial Commands from Sub-District to Military Division

Mackenzie, Ranald Slidell / New York-New Jersey / Born 27 July 1840 Westchester, New York / Died New Brighton, Staten Island, New York 19 January 1889
USMA 17 June 1862 1/28 Engineers / Cadet USMA 1 July 1858 / 2nd Lieutenant USA Engineers 17 June 1862 / 1st Lieutenant USA 3 March 1863 / Captain USA 6 November 1863 / Colonel USV 2nd Connecticut Heavy Artillery 10 July 1864 / Brigadier-General USV 30 November 1864 to rank from 19 October 1864 / Mustered Out USV 15 January 1866 / Colonel USA 41st US Infantry 6 March 1867 / 24th US Infantry 15 March 1869 / 4th US Cavalry 15 December 1869 / Brigadier-General USA 26 October 1882 / Retired USA 24 March 1884 / Brevet 1st Lieutenant USA 29 August 1862 Brevet Captain USA 3 May 1863 Brevet Major USV 4 July 1863 Brevet Lieutenant-Colonel USA 18 June 1864 Brevet Colonel USA 19 October 1864 Brevet Brigadier-General USA 13 March 1865 Brevet Major-General USV 31 March 1865 / WIA Second Bull Run 29 August 1862 WIA Gettysburg July 1863 WIA Petersburg 22 June 1864 WIA Winchester 19 September 1864 WIA Cedar Creek 19 October 1864 WIA Blanco Canyon, Texas 15 October 1871
2nd Brigade 1st Division VI Corps Army of the Shenandoah 19 October 1864-19 October 1864 / 2nd Brigade 1st Division VI Corps Army of the Shenandoah 3 November 1864-6 December 1864 / 2nd Brigade 1st Division VI Corps Army of the Potomac 6 December 1864-23 January 1865 / 2nd Brigade 1st Division VI Corps Army of the Potomac 6 February 1865-17 March 1865 / Cavalry Division XVIII Corps Army of the James 21 March 1865-1 April 1865 / Cavalry Division Sheridan’s Cavalry Command 1 April 1865-8 April 1865 / Mackenzie’s Brigade 2nd Division Cavalry Army of the Potomac 8 April 1865-9 May 1865

Maltby, Jasper Adalmorn / Ohio / Born 3 November 1826 Kingsville, Ohio / Died Vicksburg, Mississippi 12 December 1867
Private USA 15th US Infantry 1847 / Discharged USA 3 August 1848 / Private USV 45th Illinois Infantry 26 December 1861 / Lieutenant-Colonel USV 26 December 1861 / Colonel USV 5 March 1863 / Brigadier-General USV 4 August 1863 / Mustered Out USV 15 January 1866 / WIA Chapultepec 13 September 1847 WIA Fort Donelson 15 February 1862 WIA Fort Hill, Vicksburg 25 June 1863
3rd Brigade 3rd Division XVII Corps Army of the Tennessee 8 September 1863-6 March 1864 / 3rd Division XVII Corps Army of the Tennessee 6 March 1864-6 April 1864 / 3rd Brigade 3rd Division XVII Corps Army of the Tennessee 6 April 1864-1 May 1864 / Maltby’s Brigade District of Vicksburg 1 May 1864-13 June 1865 / Sub-District of Northeast Mississippi 13 June 1865-27 June 1865 / Western District of Mississippi 27 June 1865-6 August 1866

Mansfield, Joseph King Fenno / Connecticut / Born 22 December 1803 New Haven, Connecticut / DOW Sharpsburg, Maryland 18 September 1862
USMA 1 July 1822 2/40 Engineers / Cadet USMA 1 July 1818 / 2nd Lieutenant USA Engineers 1 July 1822 / 1st Lieutenant USA 5 March 1832 / Captain USA 7 July 1838 / Colonel USA Inspector-General 28 May 1853 / Brigadier-General USA 17 May 1861 to rank from 14 May 1861 / Major-General USV 11 March 1863 to rank from 18 July 1862 posthumously / Brevet 2nd Lieutenant USA 1 July 1822 Brevet Major 9 May 1846 Brevet Lieutenant-Colonel USA 23 September 1846 Brevet Colonel USA 23 February 1847 Brevet Brigadier-General USA 6 May 1861 / WIA Monterey 7 July 1846 MWIA Antietam 17 September 1862
Inspector-General USA 28 May 1853-27 April 1861 / Department of Washington 27 April 1861-17 August 1861 / 1st Brigade 1st Division Department of Virginia 3 March 1862-22 June 1862 / Suffolk Division VII Corps Department of Virginia 22 July 1862-8 September 1862 / XII Corps Potomac 15 September 1862-17 September 1862

Manson, Mahlon Dickerson / Ohio / Born 20 February 1820 Piqua, Ohio / Died Frankfort, Indiana 4 February 1895
Captain USV 5th Indiana Infantry 8 October 1847 / Mustered Out USV 28 July 1848 / Captain USV 10th Indiana Infantry 17 April 1861 / Major USV 25 April 1861 / Colonel USV 10 May 1861 / Mustered Out 6 August 1861 / Colonel USV 10th Indiana Infantry 18 September 1861 / Brigadier-General USV 26 March 1862 to rank from 24 March 1862 / Resigned USV 21 December 1864 / WIA Richmond 29 August 1862 CIA Richmond 30 August 1862 Exchanged October 1862 WIA Resaca 14 May 1864
2nd Brigade Army of the Ohio 30 November 1861-2 December 1861 / 2nd Brigade 1st Division Army of the Ohio 2 December 1861-22 March 1862 / 22nd Brigade 4th Division Army of the Ohio 30 May 1862-16 August 1862 / 1st Brigade Army of Kentucky 25 August 1862-30 August 1862 / 1st Division Army of Kentucky 7 October 1862-8 June 1863 /1st Brigade 3rd Division XXIII Corps Army of the Ohio 24 June 1863-6 August 1863 /2nd Division XXIII Corps Army of the Ohio 6 August 1863-21 August 1863 / XXIII Corps Ohio 24 September 1863-20 December 1863 / 2nd Division XXIII Corps Army of the Ohio 24 December 1863-26 January 1864 / 2nd Brigade 3rd Division XXIII Corps Army of the Ohio 7 April 1864-14 May 1864

Marcy, Randolph Barnes / Massachusetts / Born 9 April 1812 Greenwich, Massachusetts / Died West Orange, New Jersey 22 November 1887
USMA 1 July 1832 29/45 Infantry / Cadet USMA 1 July 1828 / 5th US Infantry 1 July 1832 / 2nd Lieutenant USA 25 November 1835 / 1st Lieutenant USA 22 June 1837 / Captain USA 18 May 1846 / Major USA Paymaster 22 August 1859 / Inspector-General 13 May 1861 / Colonel USA Inspector-General 9 August 1861 / Senior Inspector-General 9 August 1861 / Brigadier-General USV 23 September 1861 Expired Unconfirmed 17 July 1862 / Reappointed Brigadier-General USV 13 September 1862 Expired Unconfirmed 4 March 1863 / Mustered Out USV 4 March 1863 / Brigadier-General USA Inspector-General 12 December 1878 / Retired USA 2 January 1881 / Brevet 2nd Lieutenant USA 1 July 1832 Brevet Brigadier-General USA 13 March 1865 Brevet Major-General USA 13 March 1865
Inspector-General Department of the Ohio 13 May 1861-17 July 1861 / Inspector-General 9 August 1861 Army of the Potomac 20 August 1861-4 September 1861 / Senior Inspector General US Army 9 August 1861-2 January 1881 / Chief of Staff Army of the Potomac 4 September 1861-7 November 1862

Marston, Gilman / New Hampshire / Born 20 August 1811 Orford, New Hampshire / Died Exeter, New Hampshire 3 July 1890
Colonel USV 2nd New Hampshire Infantry 10 June 1861 / Brigadier-General USV 29 November 1862 / Resigned USV 20 April 1865 / WIA First Bull Run 21 July 1861
District of St Mary’s 23 July 1863-2 April 1864 / 1st Brigade 1st Division XVIII Corps Army of the James 20 April 1864-18 June 1864 / 1st Division XVIII Corps Army of the James 18 June 1864-20 June 1864 / 1st Brigade 3rd Division X Corps Army of the James 20 June 1864-27 August 1864 / 1st Division XVIII Corps Army of the James 3 September 1864-15 September 1864 / 1st Division XVIII Corps Army of the James 24 September 1864-29 October 1864

Martindale, John Henry / New York / Born 20 March 1815 Sandy Hill, New York / Died Nice, France 13 December 1881
USMA 1 July 1835 3/56 Dragoons / Cadet USMA 1 July 1831 / 1st US Dragoons 1 July 1835 / Resigned USA 10 March 1836 / Brigadier-General USV 9 August 1861 / Resigned USV 13 September 1864 / Brevet 2nd Lieutenant USA 1 July 1835 Brevet Major-General USV 13 March 1865
2nd Brigade F J Porter’s Division Army of the Potomac 28 August 1861-13 March 1862 / 1st Brigade 1st Division III Corps Army of the Potomac 13 March 1862-18 May 1862 / 1st Brigade 1st Division V Corps Army of the Potomac 18 May 1862-10 July 1862 / District of Washington 2 February 1863-16 September 1863 / District of Washington 1 October 1863-2 May 1864 / 2nd Division XVIII Corps Army of the James 20 May 1864-18 June 1864 / 2nd Brigade VI Corps Army of the Potomac 18 June 1864-10 July 1864 / XVIII Corps James 10 July 1864-21 July 1864

Mason, John Sanford / Ohio / Born 21 August 1824 Steubenville, Ohio / Died Washington, District of Columbia 29 November 1897
USMA 1 July 1847 9/38 Artillery / Cadet USMA 1 July 1843 / 2nd Lieutenant USA 3rd US Artillery 1 July 1847 / 1st Lieutenant USA 7 September 1850 / Regt Quartermaster 27 June 1854-1 June 1858 / Assistant Adjutant-General 2 May 1861 / Captain USA 11th US Infantry 14 May 1861 / Colonel USV 4th Ohio Infantry 3 October 1861 / Brigadier-General USV 29 November 1862 / Assistant Provost Marshal-General 17 November 1863 / Major USA 17th US Infantry 14 October 1864 / Mustered Out USV 30 April 1866 / 35th US Infantry 21 September 1866 / Lieutenant-Colonel USA 4th US Infantry 11 December 1873 / 20th US Infantry 25 February 1881 / Colonel USA 9th US Infantry 2 April 1883 / Retired USA 21 August 1888 / Brevet Major USA 17 September 1862 Brevet Lieutenant-Colonel USA 13 December 1862 Brevet Colonel USA 13 March 1865 Brevet Brigadier-General USA 13 March 1865 / WIA Fredericksburg 13 December 1862
1st Brigade 3rd Division II Corps Army of the Potomac 13 December 1862-13 December 1862 / District of Ohio 6 April 1863-14 April 1863 / District of Arizona 7 March 1865-21 July 1865

Matthies, Charles Leopold (Karl) / Prussia / Born 31 May 1824 Bromberg (Bydgoszcz), Prussia / Died Burlington, Iowa 16 October 1868
Prussian Army / Captain USV 1st Iowa Infantry 14 May 1861 / Lieutenant-Colonel USV 5th Iowa Infantry 23 July 1861 / Colonel USV 23 May 1862 / Brigadier-General USV 4 April 1863 to rank from 29 November 1862 / Resigned USV 16 May 1864 / WIA Missionary Ridge 25 November 1863
3rd Brigade 7th Division XVI Corps Army of the Tennessee 22 December 1862-20 January 1863 / 3rd Brigade 7th Division XVII Corps Army of the Tennessee 20 January 1863-12 February 1863 / 2nd Brigade 7th Division XVII Corps Army of the Tennessee 12 February 1863-24 April 1863 / 3rd Brigade 3rd Division XV Corps Army of the Tennessee 2 May 1863-1 June 1863 / 3rd Brigade 7th Division XVII Corps Army of the Tennessee 2 June 1863-23 July 1863 / 3rd Brigade 7th Division XVII Corps Army of the Tennessee 2 August 1863-14 September 1863 / 3rd Brigade 2nd Division XVII Corps Army of the Tennessee 14 September 1863-25 November 1863 / 3rd Brigade 3rd Division XV Corps Army of the Tennessee 14 March 1864-15 May 1864

McArthur, John / Scotland / Born 17 November 1826 Erskine-0n-the-Clyde, Scotland / Died Chicago, Illinois 15 May 1906
Captain Illinois Militia 1861 / Colonel USV 12th Illinois Infantry 3 May 1861 / Mustered Out USV 1 August 1861 / Colonel USV 12th Illinois Infantry 1 August 1861 / Brigadier-General USV 22 March 1862 to rank from 21 March 1862 / Mustered Out USV 24 August 1865 / Brevet Major-General USV 15 December 1864 / WIA Shiloh 6 April 1862
1st Brigade 2nd Division District of Cairo 31 January 1862-17 February 1862 / 2nd Brigade 2nd Division Army of West Tennessee 17 February 1862-11 March 1862 / 2nd Brigade 2nd Division Army of the Tennessee 11 March 1862-6 April 1862 / 2nd Division Army of the Tennessee 9 April 1862-14 April 1862 / 1st Brigade 6th Division Army of the Tennessee 23 May 1862-26 July 1862 / 1st Brigade 6th Division District of Corinth 24 July 1862-21 September 1862 / 6th Division District of Corinth 21 September 1862-3 October 1862 / 1st Brigade 6th Division District of Corinth 3 October 1862-6 October 1862 / 6th Division District of Corinth 6 October 1862-1 November 1862 / 6th Division Army of the Tennessee 1 November 1862-18 December 1862 / 6th Division XVI Corps Army of the Tennessee 18 December 1862-20 January 1863 / 6th Division XVII Corps Army of the Tennessee 20 January 1863-30 July 1863 / 1st Division XVI Corps Army of the Tennessee 15 October 1864-7 November 1864 / 1st Division Detachment Army of the Tennessee Military Division of West Mississippi 7 November 1864-5 December 1864 / 1st Division Detachment Army of the Tennessee Department of the Cumberland 5 December 1864-18 February 1865 / 1st Division XVI Corps Military Division of West Mississippi 18 February 1865-20 July 1865

McCall, George Archibald / Pennsylvania / Born 16 March 1802 Philadelphia, Pennsylvania / Died West Chester, Pennsylvania 26 February 1868
USMA 1 July 1822 26/40 Infantry / Cadet USMA 1 September 1818 / 2ndLieutenant USA 1st US Infantry 1 July 1822 / 4th US Infantry 23 December 1822 / 1st Lieutenant USA 23 January 1829 / Captain USA 21 September 1836 / Assistant Adjutant-General 7 July 1846-26 December 1847 / Major USA 3rd US Infantry 26 December 1847 / Colonel USA Inspector-General 10 June 1850 / Resigned USA 29 April 1853 / Major-General Pennsylvania Militia 15 May 1861 Expired 23 July 1861 / Brigadier-General USV 7 August 1861 to rank from 17 May 1861 / Resigned USV 31 March 1863 / Brevet Major USA 9 May 1846 Brevet Lieutenant-Colonel USA 9 May 1846 Brevet Major USA 7 July 1846 / WIA & CIA Glendale 30 June 1862 Exchanged 15 August 1862
McCall’s Brigade Military Division of the Potomac 2 August 1861-20 August 1861 / McCall’s Brigade Army of the Potomac 20 August 1861-3 October 1861 / McCall’s Division Army of the Potomac 3 October 1861-13 March 1862 / 2nd Division I Corps Army of the Potomac 13 March 1862-4 April 1862 / 2nd Division I Corps Department of the Rappahannock 4 April 1862-12 June 1862 / 3rd Division V Corps Army of the Potomac 18 June 1862-30 June 1862

McClellan, George Brinton / Pennsylvania / Born 3 December 1826 Philadelphia, Pennsylvania / Died Orange, New Jersey 29 October 1885
USMA 1 July 1846 2/59 Engineers / Cadet USMA 1 July 1846 / Engineers 1 July 1846 / 2nd Lieutenant USA 24 April 1847 / 1st Lieutenant USA 1 July 1853 / Captain USA 1st US Cavalry 3 March 1855 / Resigned USA 16 January 1857 / Major-General Ohio Militia 23 April 1861 / Major-General USA 14 May 1861 / General-in-Chief of the US Army 1 November 1861-11 March 1862 Relieved 22 July 1862 / Resigned USA 8 November 1864 / Brevet 2nd Lieutenant USA 1 July 1846 Brevet 1 Lt USA 20 August 1847 Brevet Captain USA 13 September 1847 / WIA Contreras 19 August 1847
Department of the Ohio 3 May 1861-23 July 1861 / Department of Virginia 1 June 1861 Declined / Army of Occupation 14 June 1861-23 July 1861 / Military Division (Department) of the Potomac 25 July 1861-17 August 1861 / Department of the Potomac 17 August 1861-5 November 1862 / Army of the Potomac 20 August 1861-9 November 1862 / General-in-Chief 1 November 1861-11 March 1862 / Army of Virginia 2 September 1862-11 September 1862

McClernand, John Alexander / Kentucky-Illinois / Born 30 May 1812 Breckinridge, Kentucky / Died Springfield, Illinois 20 September 1890
Private USV Illinois Infantry June 1832 / Mustered Out USV August 1832 / Brigadier-General USV 6 August 1861 to rank from 17 May 1861 / Major-General USV 22 March 1862 to rank from 21 March 1862 / Resigned USV 30 November 1864 / WIA Belmont 7 November 1861
1st Brigade District of Southeast Missouri 14 October 1861-23 December 1861 / 1st Brigade District of Cairo 23 December 1861-1 February 1862 / 1st Division District of Cairo 1 February 1862-17 February 1862 / 1st Division District of West Tennessee 17 February 1862-11 March 1862 / 1st Division Army of the Tennessee 11 March 1862-2 May 1862 / Reserve Department of the Mississippi 2 May 1862-24 June 1862 / Sub-District of Jackson 24 June 1862-25 August 1862 / 1st Division District of Jackson 24 June 1862-12 September 1862 / XIII Corps Tennessee 21 December 1862-4 January 1863 / Army of the Mississippi 4 January 1863-12 January 1862 / XIII Corps Tennessee 31 January 1863-19 June 1863 / XIII Corps Gulf 20 February 1864-15 March 1864 / Detachment XIII Corps Department of the Gulf 27 April 1864-1 May 1864

McCook, Alexander McDowell / Ohio / Born 22 April 1831 Columbiana, Ohio / Died Dayton, Ohio 12 June 1903
USMA 1 July 1852 30/47 Infantry / Cadet USMA 1 July 1847 / 3rd US Infantry 1 July 1847 / 2nd Lieutenant USA 1 July 1852 / 1st Lieutenant USA 6 December 1858 / Colonel USV 1st Ohio Infantry 16 April 1861 / Captain USA 14 May 1861 / Mustered Out USV 16 August 1861 / Brigadier-General USV 3 September 1861 / Major-General USV 19 July 1862 to rank from 17 July 1862 / Resigned USV 21 October 1865 / Lieutenant-Colonel USA 26th US Infantry 5 March 1867 / 10th US Infantry 15 March 1869 / Colonel USA ADC (W T Sherman) 11 June 1875-15 December 1880 / Colonel USA 6th US Infantry 15 December 1880 / Brigadier-General USA 11 July 1890 / Major-General USA 9 November 1894 / Retired USA 22 April 1895 / Brevet 2nd Lieutenant USA 1 July 1847 Brevet Major USA 21 July 1861 Brevet Lieutenant-Colonel USA 3 March 1862 Brevet Colonel USA 7 April 1862 Brevet Brigadier-General USA 13 March 1865 Brevet Major-General USA 13 March 1865
McCook’s Division Department of the Cumberland 5 October 1861-9 November 1861 / McCook’s Division Department of the Ohio 9 November 1861-2 December 1861 / 2nd Division Army of the Ohio 2 December 1861-29 September 1862 / I Corps Ohio 29 September 1862-24 October 1862 / Right Wing XIV Corps Cumberland 24 October 1862-9 January 1863 / XX Corps Cumberland 9 January 1863-9 October 1863 / Defences of the Potomac River and Washington 10 July 1864-12 July 1864 / District of Eastern Arkansas 9 March 1865-27 April 1865

McCook, Daniel (Jr) / Ohio / Born 22 July 1834 Carrollton, Ohio / DOW Steubenville, Ohio 17 July 1864
Captain USV 1st Kansas Infantry 31 May 1861 / Mustered Out USV 9 November 1861 / Captain USV Assistant Adjutant-General 9 November 1861 / Colonel USV 52nd Ohio Infantry 15 July 1862 / Brigadier-General USV 16 July 1864 posthumously / Brevet Major-General USV 17 July 1864 unconfirmed / MWIA Kennesaw Mountain 27 June 1864
36th Brigade 11th Division Army of the Ohio September 1862-29 September 1862 / 36th Brigade 11th Division III Corps Army of the Ohio 29 September 1862-24 October 1862 / 36th Brigade 11th Division III Corps Army of the Cumberland 24 October 1862-5 November 1862 / 2nd Brigade 4th Division Centre XIV Corps Army of the Cumberland 5 November 1862-9 January 1863 / 2nd Bd 4th Division XIV Corps Army of the Cumberland 9 January 1863-8 June 1863 / 2nd Brigade 2nd Division Reserve Corps Army of the Cumberland 8 June 1863-9 October 1863 / 3rd Brigade 2nd Division XIV Corps Army of the Cumberland 10 October 1863-16 December 1863 / 3rd Brigade 2nd Division XIV Corps Army of the Cumberland 15 February 1864-27 June 1864

McCook, Edward Moody / Ohio / Born 15 June 1833 Steubenville, Ohio / Died Chicago, Illinois 9 September 1909
2nd Lieutenant USA 1st US Cavalry 8 May 1861 / 4th US Cavalry 3 August 1861 / Major USV 2nd Indiana Cavalry 29 September 1861 / Lieutenant-Colonel USV 11 February 1862 / Colonel USV 30 April 1862 / 1st Lieutenant USA Staff 17 July 1862 / Brigadier-General USV 30 April 1864 to rank from 27 April 1864 / Mustered Out USV 15 January 1866 / Resigned USA 9 May 1866 / Brevet 1st Lieutenant USA 7 April 1862 Brevet Captain USA 8 October 1862 Brevet Major USA 20 September 1863 Brevet Lieutenant-Colonel USA 27 January 1864 Brevet Colonel USA 13 March 1865 Brevet Brigadier-General USA 13 March 1865 Brevet Major-General USV 13 March 1865 / WIA Tennessee December 1862
Cavalry 4th Division Army of the Ohio January 1862-5 September 1862 / 1st Brigade Cavalry Division Army of the Ohio 5 September 1862-24 October 1862 / 1st Brigade Cavalry Division Army of the Cumberland 24 October 1862-5 November 1862 / 2nd Brigade 1st Division Cavalry Department of the Cumberland 9 January 1863-9 September 1863 / 1st Division Cavalry Department of the Cumberland 9 September 1863-16 October 1863 / 2nd Brigade 1st Division Cavalry Department of the Cumberland 21 October 1863-20 November 1863 / 1st Division Cavalry Department of the Cumberland 20 November 1863-29 October 1864 / 1st Division Cavalry Military Division of the Mississippi 29 October 1864-26 June 1865 / Cavalry Department of the Pacific 28 June 1865-9 May 1866

McCook, Robert Latimer / Ohio / Born 28 December 1827 Lisbon, Ohio / DOW Decherd, Tennessee, 6 August 1862
Colonel USV 9th Ohio Infantry 8 May 1861 / Brigadier-General USV 22 March 1862 to rank from 21 March 1862 / Brevet Major-General USV 5 August 1862 unconfirmed / WIA Mill Springs 19 January 1862 MWIA Plevna 5 August 1862
McCook’s Brigade Army of Occupation May 1861-25 July 1861 / 3rd Brigade Department of the Ohio 5 September 1861-9 November 1861 / 2nd Brigade Department of the Ohio 9 November 1861-6 December 1861 / 3rd Brigade 1st Division Army of the Ohio 6 December 1861-6 August 1862

McDowell, Irvin / Ohio / Born 15 October 1818 Columbus, Ohio / Died 4 May 1885
USMA 1 July 1838 23/45 Artillery / Cadet USMA 1 July 1834 / 1st US Artillery 1 July 1838 / 2nd Lieutenant USA 7 July 1838 / 1st Lieutenant USA 7 October 1842 / Assistant Adjutant-General 13 May 1847 / Brigadier-General USA 14 May 1861 / Major-General USV 16 March 1862 to rank from 14 March 1862 / Mustered Out USV 1 September 1866 / Major-General USA 25 November 1872 / Retired USA 15 October 1882 / Brevet 2nd Lieutenant USA 1 July 1838 Brevet Captain USA 23 February 1847 Brevet Major USA 31 March 1856 Brevet Major-General USA 13 March 1865
Department of Northeastern Virginia 27 May 1861-17 August 1861 / Army of Northeastern Virginia 8 July 1861-15 August 1861 / Army of the Potomac 15 August 1861-19 August 1861 / McDowell’s Division Army of the Potomac 3 October 1861-13 March 1862 / I Corps Potomac 13 March 1862-4 April 1862 / Department of the Rappahannock 4 April 1862-26 June 1862 / III Corps Virginia 26 June 1862-5 September 1862 / Department of the Pacific 21 May 1864-27 June 1865 / Department of California 27 June 1865-31 March 1868 / Fourth Military District 4 June 1868-4 July 1868 / Department of the West 16 July 1868-16 December 1872

McGinnis, George Francis / Massachusetts / Born 19 March 1826 Boston, Massachusetts / Died Indianapolis, Indiana 29 May 1910
1st Lieutenant USV 2nd Ohio Infantry 29 May 1846 / Mustered Out USV 21 June 1847 / Captain USV 2nd Ohio Infantry 16 July 1847 / Mustered Out USV 25 July 1848 / Private USV 11th Indiana Infantry 15 April 1861 / Captain USV 16 April 1861 / Lieutenant-Colonel USV 11th Indiana Infantry 31 August 1861 / Colonel USV 3 September 1861 / Brigadier-General USV 4 April 1863 to rank from 29 November 1862 / Mustered Out USV 24 August 1865
3rd Brigade 2nd Division District of Eastern Arkansas 2 November 1862-21 January 1863 / 3rd Brigade 12th Division XIII Corps Army of the Tennessee 22 January 1863-20 February 1863 /1st Brigade 12th Division XIII Corps Army of the Tennessee 20 February 1863-14 July 1863 / 1st Brigade 3rd Division XIII Corps Department of the Gulf 7 August 1863-13 September 1863 / 3rd Division XIII Corps Department of the Gulf 13 September 1863-3 March 1864 / 3rd Division XIII Corps Department of the Gulf 24 March 1864-11 June 1864 / 3rd Division XIX Corps Department of the Gulf 25 August 1864-7 November 1864 / District of Morganza 30 October 1864-23 November 1864 / 1st Brigade 3rd Division XIX Corps Department of the Gulf 7 November 1864-3 December 1864

McIntosh, John Baillie / Florida / Born 6 June 1829 Fort Brooke, Florida Territory / Died New Brunswick, New Jersey 29 June 1888
Midshipman USN 27 April 1848 / Resigned USN 24 May 1850 / 2nd Lieutenant USA 2nd US Cavalry 8 June 1861 / 5th US Cavalry 3 August 1861 / 1st Lieutenant USA 27 June 1862 / Colonel USV 3rd Pennsylvania Cavalry 15 November 1862 / Captain USA 7 December 1863 / Brigadier-General USV 21 July 1864 / Mustered Out USV 30 April 1866 / Lieutenant-Colonel USA 42nd US Infantry 28 July 1866 / Brigadier-General USA Retired 30 July 1870 / Retired USA 30 July 1870 / Brevet Major USA 5 August 1862 Brevet Lieutenant-Colonel USA 3 July 1863 Brevet Colonel USA 1 June 1864 Brevet Brigadier-General USA 13 March 1865 Brevet Major-General USV 13 March 1865 Brevet Major-General USA 13 March 1865 / WIA Hartwood Church 25 December 1862 WIA Winchester 19 September 1864
2nd Brigade 2nd Division Cavalry Corps Army of the Potomac 15 February 1863-13 May 1863 / 1st Brigade 2nd Division Cavalry Corps Army of the Potomac 11 June 1863-1 October 1863 / Cavalry Division XXII Corps Department of Washington 9 January 1864-2 May 1864 / 1st Brigade 3rd Division Cavalry Corps Army of the Potomac 5 May 1864-6 August 1864 / 1st Brigade 3rd Division Cavalry Corps Army of the Shenandoah 6 August 1864-19 September 1864

McKean, Thomas Jefferson / Pennsylvania / Born 21 August 1810 Burlington, Pennsylvania / Died Marion, Iowa 19 April 1870
USMA 1 July 1831 19/33 Infantry / Cadet USMA 1 July 1827 / 4th US Infantry 1 July 1831 / 2nd Lieutenant USA 15 September 1833 / Resigned USA 31 March 1834 / 1st Lieutenant USV 1st Pennsylvania Infantry 1 November 1837 / Resigned USV 1 April 1838/ Private USA 15th US Infantry 12 April 1847 / Sergeant-Major USA 10 May 1847 / 2nd Lieutenant USA US Dragoons June 1848 Declined / Discharged USA 7 August 1848 / 2nd Lieutenant USA Paymaster 1 June 1861 / Brigadier-General USV 21 November 1861 / Mustered Out USV 24 August 1865 / Brevet 2nd Lieutenant USA 1 July 1831 / Brevet Major-General USV 13 March 1865 / WIA Churubusco 20 August 1847
Cavalry Department of the Gulf 18 September 1861 / 6th Division Army of the Tennessee 10 April 1862-30 April 1862 / 6th Division Army of the Tennessee 10 June 1862-15 June 1862 /6th Division District of Corinth 24 July 1862-21 September 1862 / 6th Division District of Corinth 3 October 1862-6 October 1862 / 4th Division Right Wing XIII Corps Army of the Tennessee 11 November 1862-9 November 1862 / District of Northeast Missouri 29 January 1863-4 June 1863 / District of Nebraska Territory 4 June 1863-28 February 1864 / District of South Kansas 28 February 1864-1 September 1864 / Sub-District of West Florida 25 November 1864-15 February 1865 / District of Morganza 3 March 1865-27 March 1865 / District of Southwest Missouri 19 June 1865-10 July 1865

McLean, Nathaniel Collins / Ohio / Born 2 February 1815 Ridgeville, Ohio / Died Bellport, New York 4 January 1905
Assistant Inspector-General 21 May 1861 / Colonel USV 75th Ohio Infantry 18 September 1861 / Brigadier-General USV 29 November 1862 / Resigned USV 20 April 1865
2nd Brigade 1st Division I Corps Army of Virginia 26 June 1862-12 September 1862 / 2nd Brigade 1st Division XI Corps Army of the Potomac 12 September 1862-10 January 1863 / 1st Division XI Corps Army of the Potomac 10 January 1863-5 February 1863 / 2nd Brigade 1st Division XI Corps Army of the Potomac 3 February 1863-10 March 1863 / 1st Division XI Corps Army of the Potomac 10 March 1863-20 April 1863 / 2nd Brigade 1st Division XI Corps Army of the Potomac 20 April 1863-2 May 1863 / 1st Division XI Corps Army of the Potomac 2 May 1863-24 May 1863 / Provost Marshal Department of the Ohio 30 May 1863-3 May 1864 / 1st Brigade 2nd Division XXIII Corps Army of the Ohio 3 May 1864-4 June 1864 / 3rd Brigade 3rd Division XXIII Corps Army of the Ohio 4 June 1864-17 June 1864 / 1st Division District of Kentucky 6 July 1864-29 December 1864 / 3rd Brigade 2nd Division XXIII Corps Army of the Ohio 2 January 1865-8 January 1865 / 3rd Brigade 2nd Division XXIII Corps Department of North Carolina 9 February 1865-28 February 1865 / 2nd Division XXIII Corps Department of North Carolina 28 February 1865-4 April 1865

McMillan, James Winning / Kentucky / Born 28 April 1825 Clark, Kentucky / Died Washington, District of Columbia 9 March 1903
Sergeant USV 4th Illinois Infantry 20 June 1846 / Discharged USV 13 October 1846 / Private USV 3rd Battalion Louisiana Infantry 29 April 1848 / Discharged USV 13 July 1848 / Colonel USV 21st Indiana Infantry 24 July 1861 / Brigadier-General USV 4 March 1863 to rank from 29 November 1862 / Resigned USV 15 May 1865 / Brevet Maj-0Gen USV 5 March 1865 / WIA East Baton Rouge 10 June 1862 WIA Winchester 19 September 1864
2nd Brigade 3rd Division XIX Corps Department of the Gulf 15 August 1863-29 August 1863 / 3rd Division XIX Corps Department of the Gulf 29 August 1863-4 September 1863 / 3rd Division XIX Corps Department of the Gulf 17 September 1863-2 October 1863 / 2nd Brigade 3rd Division XIX Corps Department of the Gulf 4 October 1863-2 November 1863 / 2nd Brigade 3rd Division XIX Corps Department of the Gulf 3 December 1863-12 January 1864 / 3rd Division XIX Corps Department of the Gulf 12 January 1864-19 February 1864 / 2nd Brigade 1st Division XIX Corps Department of the Gulf 24 March 1864-29 March 1864 / 1st Division XIX Corps Department of the Gulf 2 May 1864-24 June 1864 / 2nd Brigade 1st Division XIX Corps Department of the Gulf 20 June 1864-5 July 1864 / 2nd Brigade 1st Division XIX Corps Army of the Shenandoah 6 August 1864-15 October 1864 / 1st Division XIX Corps Army of the Shenandoah 15 October 1864-24 October 1864 /2nd Brigade 1st Division XIX Corps Army of the Shenandoah 24 October 1864-26 October 1864 / 2nd Brigade 1st Division XIX Corps Army of the Shenandoah 3 December 1864-25 January 1865 / 1st Division XIX Corps Army of the Shenandoah 25 January 1865-1 March 1865 / Provisional Division Army of the Shenandoah 1 March 1865-April 1865 / 1st Division Department of West Virginia April 1865-15 May 1865

McNeil, John / Canada / Born 14 February 1813 Halifax, Nova Scotia / Died St Louis, Missouri 8 June 1891
Captain Missouri Militia 1861 / Colonel USV 3rd Missouri Infantry 8 May 1861 / Mustered Out USV 17 August 1861 / Colonel 2nd Missouri Militia Cavalry 3 June 1862 / Brigadier-General USV 4 April 1863 to rank from 29 November 1862 / Major-General Missouri Militia 27 February 1865-8 April 1865 / Resigned USV 12 April 1865 / Brevet Major-General USA 12 April 1865
Northeastern Division District of Missouri 5 June 1862-19 September 1862 / District of Southwest Missouri 15 July 1863-19 October 1863 / District of La Fourche 4 May 1864-9 June 1864 / District of Port Hudson 23 June 1864-6 August 1864 / District of Rolla 23 August 1864-4 October 1864 / 3rd Brigade Cavalry Division Department of the Missouri 4 October 1864-19 October 1864 / 2nd Brigade Cavalry Division Department of the Missouri 19 October 18964-8 November 1864 / District of Rolla 15 November 1864-28 November 1864 / District of Central Missouri 27 February 1865-12 April 1865

McPherson, James Birdseye / Ohio / Born 14 November 1828 Clyde, Ohio / KIA Atlanta, Georgia 22 July 1864
USMA 1 July 1853 1/52 Engineers / Cadet USMA 1 July 1849 / Engineers 1 July 1853 / 2nd Lieutenant USA 18 December 1854 / 1st Lieutenant USA 13 December 1858 / Captain USA 6 August 1861 / Lieutenant-Colonel USA ADC (H W Halleck) 9 November 1861-30 November 1861 / 12 November 1861 / Colonel USA Staff 1 May 1862 / Colonel USA ADC (U S Grant) 1 May 1862-4 June 1862 / Brigadier-General USV 15 May 1862 / Major-General USV 8 October 1862 / Brigadier-General USA 4 August 1863 to rank from 1 August 1863 / Brevet 2nd Lieutenant USA 1 July 1853
Chief Engineer Department of the Missouri 30 November 1861-23 December 1861 /Chief Engineer Army of West Tennessee 23 December 1861-11 March 1862 / Chief Engineer Army of the Tennessee 11 March 1862-1 May 1862 / Chief Engineer Department of the Mississippi 4 June 1862-4 October 1862 / Right Wing XIII Corps Tennessee 1 November 1862-27 November 1862 / Centre XIII Corps Tennessee 27 November 1862-22 December 1862 / XVII Corps Tennessee 22 December 1862-12 March 1864 / Department of the Tennessee 12 March 1864-22 July 1864 / Army of the Tennessee 26 March 1864-22 July 1864

Meade, George Gordon / Spain / Born 31 December 1815 Cadiz, Spain / Died Philadelphia, Pennsylvania 6 November 1872
USMA 1 July 1835 19/56 Artillery / Cadet USMA 1 September 1831 / 3rd US Artillery 1 July 1835 / 2nd Lieutenant USA 31 December 1835 / Resigned USA 26 October 1836 / 2nd Lieutenant USA Topographical Engineers 19 May 1842 / 1st Lieutenant USA 4 August 1851 / Captain USA 19 May 1856 / Brigadier-General USV 31 August 1861 / Major USA 18 June 1862 / Major-General USV 29 November 1862 / Engineers 3 March 1863 / Brigadier-General USA 7 July 1863 to rank from 3 July 1863 / Mustered Out USV 23 September 1864 / Major-General USA 26 November 1864 to rank from 18 August 1864 / Brevet 2nd Lieutenant USA 1 July 1835 Brevet 1st Lieutenant USA 23 September 1846 / WIA Glendale 30 June 1862 WIA Antietam 17 September 1862
2nd Brigade McCall’s Division Army of the Potomac 3 October 1861-13 March 1862 / 2nd Brigade 2nd Division I Corps Army of the Potomac 13 March 1862-4 April 1862 / 2nd Brigade McCall’s Division Department of the Rappahannock 4 April 1862-12 June 1862 / 2nd Brigade 3rd Division V Corps Army of the Potomac 18 June 1862-30 June 1862 / 1st Brigade 3rd Division III Corps Army of Virginia 26 August 1862-12 September 1862 / 3rd Division I Corps Army of the Potomac 12 September 1862-17 September 1862 / I Corps Potomac 17 September 1862-29 September 1862 / 3rd Division I Corps Army of the Potomac 29 September 1862-25 December 1862 / V Corps Potomac 25 December 1862-26 January 1863 / Centre Grand Division Potomac 25 January 1863-4 February 1863 / V Corps Potomac 5 February 1863-16 February 1863 / V Corps Potomac 28 February 1863-28 June 1863 / Department of the Potomac 27 June 1863-30 December 1864 / Army of the Potomac 28 June 1863-1 September 1864 / Army of the Potomac 10 September 1864-30 December 1864 / Department of the Potomac 11 January 1865-27 June 1865 / Army of the Potomac 11 January 1865-24 January 1865 / Army of the Potomac 2 February 1865-22 February 1865 / Army of the Potomac 28 February 1865-28 June 1865 / Military Division of the Atlantic 27 June 1865-6 August 1866 / Department of the East 13 August 1866-2 January 1868 / Third Military District 28 December 1867-28 July 1868 / Department of the South 28 July 1868-13 March 1869

Meagher, Thomas Francis / Ireland / Born 3 August 1823 Waterford, Ireland / Died Fort Benton, Montana Territory 1 July 1867
Captain New York Militia / Major USV 69th New York Militia 29 April 1861 / Brigadier-General USV 6 February 1862 to rank from 3 February 1862 / Resigned USV 14 May 1863 Revoked 23 December 1863 / Brigadier-General USV 23 December 1863 / Resigned USV 15 May 1865 / WIA First Bull Run 21 July 1861
2nd Brigade Sumner’s Division Army of the Potomac 25 November 1861-13 March 1862 / 2nd Brigade 1st Division II Corps Army of the Potomac 13 March 1862-28 June 1862 / 2nd Brigade 1st Division II Corps Army of the Potomac 29 June 1862-16 July 1862 / 2nd Brigade 1st Division II Corps Army of the Potomac 8 August 1862-17 September 1862 / 2nd Brigade 1st Division II Corps Army of the Potomac 18 September 1862-20 December 1862 / 2nd Brigade 1st Division II Corps Army of the Potomac 18 February 1863-8 May 1863 / District of Etowah 29 November 1864-5 January 1865 / Provisional Division Army of the Ohio 9 February 1865-24 February 1865

Meigs, Montgomery Cunningham / Georgia-Pennsylvania / Born 3 May 1816 Augusta, Georgia / Died Washington, District of Columbia 2 January 1892
USMA 1 July 1836 5/49 Artillery-Engineers-Quartermaster’s Department / Cadet USMA 1 July 1832 / 2nd Lieutenant USA 1st US Artillery 1 July 1836 / Resigned USA 31 July 1837 / 2nd Lieutenant USA Engineers 1 August 1837 to rank from 1 July 1836 / 1st Lieutenant 1 July 1838 / Captain USA 3 March 1853 / Colonel USA 11th US Infantry 14 May 1861 / Quartermaster-General 28 April 1861 / Brigadier-General USA Quartermaster-General 15 May 1861 / War Board 17 March 1862-23 July 1862 / Quartermaster-General 9 February 1864 / Retired USA 6 February 1882 / Brevet Major-General USA 5 July 1864
Chief Engineer Department of Florida 11 April 1861-23 April 1861 / Quartermaster-General 28 April 1861-1 August 1863 / Quartermaster-General 9 January 1864-6 February 1882 / Emergency Division Defences of Washington 11 July 1864-14 July 1864

Meredith, Solomon / North Carolina / Born 29 May 1810 Guilford, North Carolina / Died Cambridge City, Indiana 2 October 1875
Colonel USV 19th Indiana Infantry 29 July 1861 / Brigadier-General USV 6 October 1862 / Mustered Out USV 22 May 1865 / Brevet Major-General USV 14 August 1865 / WIA Groveton 28 August 1862 WIA Antietam 17 September 1862 WIA Gettysburg 1 July 1863
4th Brigade 1st Division I Corps Army of the Potomac 25 November 1862-13 December 1862 / 1st Division I Corps Army of the Potomac 27 February 1863-1 March 1863 / 4th Brigade 1st Division I Corps Army of the Potomac 1 March 1863-16 June 1863 /1st Brigade 1st Division I Corps Army of the Potomac 16 June 1863-1 July 1863 / 1st Division I Corps Army of the Potomac 12 November 1863-26 December 1863 / Sub-District of Western Kentucky 11 September 1864-10 February 1865 / District of Western Kentucky 10 February 1865-21 May 1865

Meredith, Sullivan Amory / Pennsylvania / Born 4 July 1816 Philadelphia, Pennsylvania / Died 26 December 1874
Colonel USV 10th Pennsylvania Infantry 26 April 1861 / Mustered Out USV 1 August 1861 / Colonel USV 56th Pennsylvania Infantry 6 March 1862 / Brigadier-General USV 29 November 1862 / Mustered Out USV 24 August 1865 / WIA Second Bull Run 28 August 1862

Merritt, Wesley / New York-Illinois / Born 16 June 1834 New York City, New York / Died Natural Bridge, Virginia 3 December 1910
USMA 1 July 1860 22/41 Dragoons / Cadet USMA 1 July 1855 / 2nd US Dragoons 1 July 1860 / 2nd Lieutenant USA 28 January 1861 / 1st Lieutenant USA 13 May 1861 / Regt Adjutant 1 July 1861-1 January 1862 / 2nd US Cavalry 3 August 1861 / ADC (G B McClellan) February 1862-September 1862 / Captain USA 5 May 1862 / ADC (P St G Cooke) April 1863-May 1863) / Brigadier-General USV 29 June 1863 / Major-General USV 1 April 1865 Unconfirmed / Mustered Out USV 1 February 1866 / Lieutenant-Colonel USA 9th US Cavalry 28 July 1866 / Colonel USA 5th US Cavalry 1 July 1876 / Superintendent of USMA 1 September 1882-1 July 1887 / Brigadier-General USA 16 April 1887 / Major-General USA 25 April 1895 / Retired USA 16 June 1900 / Brevet 2nd Lieutenant USA 1 July 1860 Brevet Major USA 1 July 1863 Brevet Lieutenant-Colonel USA 11 May 1864 Brevet Colonel USA 28 May 1864 Brevet Major-General USV 19 October 1864 Brevet Major-General USA 13 March 1865 / WIA Brandy Station 9 June 1863
Reserve Brigade 1st Division Cavalry Corps Army of the Potomac 28 June 1863-12 August 1863 / 1st Division Cavalry Corps Army of the Potomac 15 August 1863-15 September 1863 / Reserve Brigade 1st Division Cavalry Corps Army of the Potomac 15 September 1863-21 November 1863 / 1st Division Cavalry Corps Army of the Potomac 21 November 1863-10 March 1864 / Reserve Brigade 1st Division Cavalry Corps Army of the Potomac 10 April 1864-7 May 1864 / 1st Division Cavalry Corps Army of the Potomac 7 May 1864-25 May 1864 / Reserve Brigade 1st Division Cavalry Corps Army of the Potomac 25 May 1864-6 August 1864 / 1st Division Cavalry Corps Army of the Shenandoah 6 August 1864-13 November 1864 / 1st Division Cavalry Corps Army of the Shenandoah 28 November 1864-31 December 1864 / 1st Division Cavalry Corps Army of the Shenandoah 13 January 1865-26 January 1865 / Cavalry Corps Shenandoah 26 January 1865-25 March 1865 / Cavalry Corps Potomac 25 March 1865-21 May 1865 / Cavalry Military Division of the Southwest 9 June 1865

Miles, Nelson Appleton / Massachusetts / Born 8 August 1839 Westminster, Massachusetts/ Died Washington, District of Columbia 15 May 1925
1st Lieutenant USV 22nd Massachusetts Infantry 9 September 1861 / Lieutenant-Colonel USV 61st New York Infantry 31 May 1862 / Colonel USV 30 September 1862 / Brigadier-General USV 9 June 1864 to rank from 12 May 1864 / Major-General USV 21 October 1865 / Colonel USA 40th US Infantry 28 July 1866 / Mustered Out USV 1 September 1866 / 5th US Infantry 15 March 1869 / Brigadier-General USA 15 December 1880 / Major-General USA 5 April 1890 / General-in-Chief 5 October 1895 / Lieutenant-General USA 6 June 1900 / Retired USA 8 August 1903 / Brevet Major-General USV 25 August 1864 Brevet Brigadier-General USA 2 March 1867 Brevet Major-General USA 2 March 1867 Medal of Honor 3 May 1863 / WIA Fair Oaks 1 June 1862 WIA Fredericksburg 13 December 1862 WIA Chancellorsville 3 May 1863 WIA Petersburg June 1864
1st Brigade 1st Division II Corps Army of the Potomac 4 July 1863-19 July 1863 / 1st Brigade 1st Division II Corps Army of the Potomac 28 July 2863-25 December 1863 / 1st Brigade 1st Division II Corps Army of the Potomac 25 March 1864-29 July 1864 / 1st Division II Corps Army of the Potomac 29 July 1864-15 February 1865 / II Corps Potomac 17 February 1865-25 February 1865 / 1st Division II Corps Army of the Potomac 25 February 1865-20 May 1865 / District of Fort Monroe 21 May 1865-29 August 1865 / General-in-Chief 5 October 1895-8 August 1903

Miller, John Franklin / Indiana / Born 21 November 1831 South Bend, Indiana / Died Washington, District of Columbia 8 March 1886
Colonel USV 29th Indiana Infantry 27 August 1861 / Brigadier-General USV 10 April 1864 to rank from 5 January 1864 / Resigned USV 25 September 1865 / Brevet Major-General USV 13 March 1865 / WIA Stones River 31 December 1862 WIA Liberty Gap 25 June 1863
7th Brigade Army of the Ohio 1862-14 September 1862 / 7th Brigade 8th Division Army of the Ohio 14 September 1862-5 November 1862 / 3rd Brigade 2nd Division Centre XIV Corps Army of the Cumberland 5 November 1862-9 January 1863 / 3rd Brigade 2nd Division XIV Corps Army of the Cumberland 9 January 1863-9 June 1863

Miller, Stephen / Minnesota / Born 7 January 1816 Carroll, Pennsylvania / Died Washington, Minnesota 18 August 1881
Private USV 1st Minnesota Infantry 1861 / Lieutenant-Colonel USV 29 April 1861 / Colonel USV 7th Minnesota Infantry 24 August 1862 / Brigadier-General USV 26 October 1863 Unconfirmed / Resigned USV 18 January 1864

Milroy, Robert Huston / Indiana / Born 11 June 1816 Salem, Indiana / Died Olympia, Washington 29 March 1890
Captain USV 1st Indiana Infantry 20 June 1846 / Mustered Out USV 16 June 1847 / Captain 9th Indiana Militia 23 April 1861 / Colonel USV 9th Indiana Infantry 27 April 1861 / Mustered Out USV 29 July 1861 / Colonel USV 9th Indiana Infantry 27 August 1861 / Brigadier-General USV 3 September 1861 / Major-General USV 10 March 1863 to rank from 29 November 1862 / Resigned USV 26 July 1865
Cheat Mountain District 20 December 1861-12 April 1862 / Milroy’s Brigade Mountain Department 19 April 1862-26 June 1862 / Milroy’s Brigade I Corps Army of Virginia 26 June 1862-12 September 1862 / Cheat Mountain District 24 September 1862-13 November 1862 / Milroy’s Division VIII Corps Middle Department January 1863-February 1863 / 2nd Division VIII Corps Middle Department February 1863-26 June 1863 / 1st Sub-District District of Middle Tennessee March 1865-26 June 1865

Mitchel, Ormsby McKnight / Kentucky-Ohio / Born 28 July 1809 Morganfield, Kentucky / Died Beaufort, South Carolina 30 October 1862
USMA 1 July 1829 15/46 Artillery / Cadet USMA 1 July 1825 / 2nd Lieutenant USA 2nd US Artillery 1 July 1829 / Resigned USA 30 September 1832 / Adjutant-General Ohio Militia 1841-1848 / Brigadier-General USV 9 August 1861 / Major-General USV 14 April 1862 to rank from 11 April 1862 / Brevet 2nd Lieutenant USA 1 July 1829 Brevet Major-General USV 11 April 1862 Withdrawn 2 May 1862
Department of the Ohio 19 September 1861-9 November 1861 / 3rd Division Department of the Ohio 2 December 1861-2 July 1862 / Department of the South 17 September 1862-27 October 1862 / X Corps South 17 September 1862-27 October 1862

Mitchell, John Grant / Ohio / Born 6 November 1838 Piqua, Ohio / Died Columbus, Ohio 7 November 1894
Private USV 3rd Ohio Infantry 30 July 1861 / 1st Lieutenant USV 30 July 1861 / Captain USV 21 December 1861 / Lieutenant-Colonel USV 113th Ohio Infantry 2 September 1862 / Colonel USV 6 May 1863 / Brigadier-General USV 12 January 1865 / Resigned USV 3 July 1865 / Brevet Major-General USV 13 March 1865
2nd Brigade 1st Division Reserve Corps Army of the Cumberland 9 September 1863-9 October 1863 / 2nd Brigade 2nd Division XIV Corps Army of the Cumberland 10 October 1863-10 November 1863 / 2nd Brigade 2nd Division XIV Corps Army of the Cumberland 1 February 1864-16 September 1864 / 2nd Division X Division Army of the Cumberland November 1864-7 February 1865 / 2nd Brigade 2nd Division XIV Corps Army of the Cumberland 7 February 1865-20 June 1865

Mitchell, Robert Byington / Ohio / Born 4 April 1823 Mansfield, Ohio / Died Washington, District of Columbia 26 January 1882
1st Lieutenant USV 2nd Ohio Infantry 4 September 1847 / Mustered Out USV 6 July 1848 / Brigadier-General Kansas Militia Adjutant-General 2 May 1861-30 June 1861 / Colonel USV 2nd Kansas Infantry 23 May 1861 / Brigadier-General USV 14 April 1862 to rank from 8 April 1862 / Major-General USV 29 November 1862 Unconfirmed / Mustered Out USV 15 July 1866 / WIA Wilson’s Creek 10 August 1861
1st Brigade 4th Division Army of the Mississippi 12 April 1862-12 August 1862 / 4th Division Army of the Mississippi 12 August 1862-26 September 1862 / 4th Division of the Ohio 26 September 1862-29 September 1862 / 9th Division III Corps Army of the Ohio 29 September 1862-24 October 1862 / 9th Division III Corps Army of the Cumberland 24 October 1862-5 November 1862 / 4th Division Centre XIV Corps Army of the Cumberland 5 November 1862-9 January 1863 / 1st Division Cavalry Department of the Cumberland March 1863-9 September 1863 / Cavalry Corps Cumberland 24 September 1863-9 November 1863 / District of Nebraska Territory 28 February 1864-28 March 1865 / District of North Kansas 28 March 1865-27 May 1865

Montgomery, William Reading / New Jersey / Born 10 July 1801 Monmouth, New Jersey / Died Bristol, Pennsylvania, 31 May 1871
USMA 1 July 1825 28/37 Infantry / Cadet USMA 1 September 1821 / 2nd Lieutenant USA 3rd US Infantry 1 July 1825 / 1st Lieutenant USA 31 August 1833 / Captain USA 8th US Infantry 7 July 1838 / Major USA 2nd US Infantry 7 December 1852 / Dismissed USA 8 December 1855 / Colonel USV 1st New Jersey Infantry 21 May 1861 / Brigadier-General USV 9 August 1861 to rank from 17 May 1861 / Resigned USV 4 April 1864 / Brevet 2nd Lieutenant USA 1 July 1825 Brevet Major USA 9 May 1846 Brevet Lieutenant-Colonel USA 8 September 1847 / WIA Resaca de la Palma 9 May 1846 WIA Molino del Rey 8 September 1847

Morell, George Webb / New York / Born 8 January 1815 Cooperstown, New York / Died Scarborough, New York 11 February 1883
USMA 1 July 1835 1/56 Engineers / Cadet USMA 1 July 1831 / Engineers 1 July 1835 / 2nd Lieutenant USA 31 October 1836 / Resigned 30 June 1837 / Colonel Quartermaster New York Militia 16 May 1861 / Mustered Out USV 25 July 1861 / Brigadier-General USV 9 August 1861 Expired 4 March 1863 / Reappointed Brigadier-General USV 4 March 1863 to rank from 9 August 1861 / Major-General USV 4 July 1862 Expired Unconfirmed 4 March 1863 / Mustered Out USV 15 December 1864 / Brevet 2nd Lieutenant USA 1 July 1835
Quartermaster Department of Northeastern Virginia 16 May 1861-27 May 1861 / 1st Brigade F J Porter’s Division Army of the Potomac 3 October 1861-13 March 1862 / 2nd Brigade 1st Division III Corps Army of the Potomac 13 March 1862-18 May 1862 / 1st Division V Corps Army of the Potomac 18 May 1862-30 October 1862 / Defences of the Upper Potomac 1 November 1862-17 December 1862

Morgan, Charles Hale / New York / Born 6 November 1834 Manlius, New York / Died Alcatraz Island, California 20 December 1875
USMA 1 July 1857 12/38 Artillery / Cadet USMA 1 July 1853 / 3rd US Artillery 1 July 1857 / 2nd Lieutenant USA 4th US Artillery 10 September 1857 / 1st Lieutenant USA 1 April 1861 / Captain USA 5 August 1862 / Lieutenant-Colonel USA Assistant Inspector-General 1 January 1863 / Brigadier-General USV 21 May 1865 / Mustered Out USV 15 January 1866 / Major USA 4th US Artillery 5 February 1867 / Brevet 2nd Lieutenant USA 1 July 1857 Brevet Major USA 1 July 1863 Brevet Lieutenant-Colonel USA 14 October 1863 Brevet Colonel USA 12 May 1864 / Brevet Colonel USV 1 August 1864 Brevet Brigadier-General USV 2 December 1864 Brevet Brigadier-General USA 13 March 1865
Juniata District 16 December 1864-27 June 1865 / Chief of Staff and Assistant Inspector-General Middle Military Division Feb 1865- June 1865

Morgan, Edwin Denison / Massachusetts-New York / Born 8 February 1811 Washington, Massachusetts / Died New York, New York 14 February 1883
Major-General USV 28 September 1861 / Resigned USV 3 January 1863
Department of New York 26 October 1861-31 December 1862

Morgan, George Washington / Pennsylvania / Born 20 September 1820 Washington, Pennsylvania / Died Fort Monroe, Virginia 26 July 1893
USMA 1841-1843 / Captain Army of Republic of Texas 1836 / Cadet USMA 1 July 1841 / Resigned USMA 27 June 1843 / Colonel USV 2nd Ohio Infantry 23 June 1846 / Resigned USV 3 March 1847 / Colonel USA 3 March 1847 / 15th US Infantry 9 April 1847 / Discharged USA 7 August 1848 / Brigadier-General USV 21 November 1861 to rank from 12 November 1861 / Resigned USV 8 June 1863 / Brevet Brigadier-General USA 20 August 1847 / WIA Churubusco 20 August 1847
7th Brigade Army of the Ohio 16 March 1862-10 October 1862 / Cumberland Division Department of the Ohio 10 October 1862-November 1862 / 9th Division XIII Corps Army of the Tennessee November 1862-13 December 1862 / 2nd Division Right Wing XIII Corps Army of the Tennessee 13 December 1862-4 January 1863 / I Corps Mississippi 4 January 1863-12 January 1863 / XIII Corps Tennessee 12 January 1863-31 January 1863

Morgan, James Dada / Mississippi / Born 1 August 1810 Boston, Massachusetts / Died Quincy, Illinois 12 September 1896
Illinois Militia / Captain USV 1st Illinois Infantry 18 June 1846 / Mustered Out USV 17 June 1847 / Lieutenant-Colonel USV 10th Illinois Infantry 29 April 1861 / Colonel USV 29 July 1861 / Brigadier-General USV 19 July 1862 to rank from 17 July 1862 / Mustered Out USV 24 August 1865 / Brevet Major-General USV 13 March 1865
4th Brigade 1st Division District of Cairo February 1862 / 4th Brigade 1st Division District of West Tennessee February 1862 / 1st Brigade 4th Division Army of the Mississippi 4 March 1862-24 April 1862 / 2nd Brigade 1st Division Army of the Mississippi 24 April 1862-1 May 1862 / 2nd Brigade 1st Division Army of the Mississippi 27 June 1862-17 July 1862 / 1st Division Army of the Mississippi 17 July 1862-15 August 1862 / 2nd Brigade 1st Division Army of the Mississippi 15 August 1862-30 August 1862 / 1st Division Army of the Mississippi 30 August 1862-31 August 1862 / 2nd Brigade 1st Division Army of the Mississippi 1 September 1862-29 September 1862 / 3rd Brigade 13th Division III Corps Army of the Ohio 29 September 1862-8 October 1862 / 2nd Brigade 13th Division III Corps Army of the Ohio 8 October 1862-5 November 1862 / 1st Brigade 4th Division Centre XIV Corps Army of the Cumberland 26 December 1862-17 January 1863 / 4th Division Centre XIV Corps Army of the Cumberland 17 January 1863-27 January 1863 / 1st Brigade 4th Division Centre XIV Corps Army of the Cumberland 27 January 1863-5 May 1863 / 2nd Division Reserve Corps Army of the Cumberland 8 June 1863-9 October 1863 / 1st Brigade 3rd Division XIV Corps Army of the Cumberland 9 October 1863-31 October 1863 / 2nd Brigade 2nd Division XIV Corps Army of the Cumberland 12 November 1862-23 August 1864 / 2nd Division XIV Corps Army of the Cumberland 28 July 1864-23 July 1865

Morris, William Hopkins / New York / Born 22 April 1827 New York City, New York / Died Long Branch, New Jersey 26 August 1900
USMA 1 July 1851 27/42 Infantry / Cadet USMA 1 July 1846 / 2nd US Infantry 1 July 1851 / 2nd Lieutenant USA 3 December 1851 / Resigned USA 28 February 1854 / Captain USV Assistant Adjutant-General 20 August 1861 / Resigned USV 1 September 1862 / Colonel USV 135th New York Infantry 2 September 1862 / Brigadier-General USV 16 March 1863 to rank from 29 November 1862 / Mustered Out USV 24 August 1865 / Brigadier-General New York Militia / Brevet 2nd Lieutenant USA 1 July 1851 Brevet Major-General USV 13 March 1865 / WIA Spotsylvania 9 May 1864
2nd Brigade 1st Division VIII Corps Middle Department 27 March 1863-26 June 1863 / 3rd Brigade Banks’ Division VIII Corps Middle Department 26 June 1863-10 July 1863 / 3rd Brigade 3rd Division III Corps Army of the Potomac 10 July 1863-24 March 1864 / 1st Brigade 3rd Division VI Corps Army of the Potomac 25 March 1864-9 May 1864

Morton, James St Clair / Pennsylvania / Born 24 September 1829 Philadelphia, Pennsylvania / KIA Petersburg, Virginia, 17 June 1864
USMA 1 July 1851 2/42 Engineers / Cadet USMA 1 September 1847 / Engineers 1 July 1851 / 2nd Lieutenant USA 1 April 1854 / 1st Lieutenant USA Engineers 1 July 1856 / Captain USA 6 August 1861 / Brigadier-General USV 4 April 1863 to rank from 29 November 1862 / Major USA 3 July 1863 / Mustered Out USV 7 November 1863 / Brevet 2nd Lieutenant 1 July 1851 Brevet Lieutenant-Colonel USA 2 January 1863 Brevet Colonel USA 20 September 1863 Brevet Brigadier-General USA 17 June 1864 posthumously / WIA Chickamauga 19 September 1863
Chief Engineer Army of the Ohio June 1862 / Chief Engineer Department of the Tennessee October 1862 / Chief Engineer XIV Corps Army of the Cumberland 13 November 1862-22 August 1863 / Pioneer Brigade Army of the Cumberland 3 October 1863

Mott, Gershom / New Jersey / Born 7 April 1822 Lamberton, New Jersey / Died New York, New York 29 November 1884
2nd Lieutenant USA 10th US Infantry 23 April 1847 / Discharged 22 August 1848 / Lieutenant-Colonel USV 5th New Jersey Infantry 17 August 1861 / Colonel USV 6th New Jersey Infantry 7 May 1862 / Brigadier-General USV 7 September 1862 / Major-General USV 1 December 1865 to rank from 26 May 1865 / Resigned USV 20 February 1866 / Major-General New York Militia / Brevet Major-General USV 1 August 1864 / WIA Second Bull Run 29 August 1862 WIA Chancellorsville 3 May 1863 WIA Spotsylvania 19 May 1864 WIA Amelia Springs 6 April 1865
3rd Brigade 2nd Division III Corps Army of the Potomac 15 December 1862-3 May 1862 / 3rd Brigade 2nd Division III Corps Army of the Potomac 29 August 1863-6 February 1864 / 3rd Brigade 2nd Division III Corps Army of the Potomac March 1864-24 March 1864 / 1st Brigade 4th Division II Corps 24 March 1864-2 May 1864 / 4th Division II Corps Army of the Potomac 2 May 1864-13 May 1864 / 3rd Brigade 3rd Division II Corps Army of the Potomac 13 May 1864-18 May 1864 / 3rd Division II Corps Army of the Potomac 18 June 1864-27 June 1864 / 3rd Brigade 3rd Division II Corps Army of the Potomac 27 June 1864-23 July 1864 / 3rd Division II Corps Army of the Potomac 27 July 1864-8 October 1864 / 3rd Division II Corps Army of the Potomac 21 October 1864-15 February 1865 / II Corps Potomac 15 February 1865-17 February 1865 / 3rd Division II Corps Army of the Potomac 2 March 1865-6 April 1865 / 3rd Division II Corps Army of the Potomac 16 May 1865-9 June 1865 / II Corps Potomac 9 June 1865-20 June 1865 / 3rd Division II Corps Army of the Potomac 20 June 1865-28 June 1865

Mower, Joseph Antony / Vermont-Connecticut / Born 22 August 1827 Woodstock, Vermont / Died New Orleans, Louisiana 6 January 1870
Private USA Engineers 29 March 1847 / Discharged USA 25 July 1848 / 2nd Lieutenant USA 1st US Infantry 18 June 1855 / 1st Lieutenant USA 13 March 1857 / Captain USA 9 September 1861 / Colonel USV 11th Missouri Infantry 3 May 1862 / Brigadier-General USV 16 March 1863 to rank from 29 November 1862 / Major-General USV 12 August 1864 / Mustered Out USV 1 February 1866 / Colonel USA 39th US Infantry 28 July 1866 / 25th US Infantry 15 March 1869 / Brevet Major USA 9 May 1862 Brevet Lieutenant-Colonel USA 19 September 1862 Brevet Colonel USA 14 May 1864 Brevet Brigadier-General USA 13 March 1865 Brevet Major-General USA 13 March 1865 / WIA & CIA Corinth 4 October 1862 Recaptured 5 October 1862
2nd Brigade 2nd Division Army of the Mississippi 9 August 1862-26 October 1862 / 2nd Brigade 3rd Division XVI Corps Army of the Tennessee 16 December 1862-3 April 1863 / 2nd Brigade 3rd Division XV Corps Army of the Tennessee 3 April 1863-4 July 1863 / 2nd Brigade 3rd Division XV Corps Army of the Tennessee 15 September 1863-20 December 1863 / 2nd Brigade 1st Division XVI Corps Army of the Tennessee 20 December 1863-7 March 1864 / 1st Division XVI Corps Army of the Tennessee 7 March 1864-11 October 1864 1st Division XVI Corps Army of the Tennessee 9 March 1864-23 May 1864 / 3rd Division XVI Corps Army of the Tennessee 9 March 1864-23 May 1864 / 1st Brigade Right Wing XVI Corps Army of the Tennessee 23 May 1864-24 October 1864 / XVII Corps Tennessee 24 October 1864-31 October 1864 / XX Corps Cumberland 2 April 1865-9 June 1865 / Eastern District of Texas 27 June 1865-20 July 1865 / Fifth Military District 15 September 1867-29 November 1867

Nagle, James / Pennsylvania / Born 5 April 1822 Reading, Pennsylvania / Died Pottsville, Pennsylvania 22 August 1866
Pennsylvania Militia / Captain 1st Pennsylvania Infantry 15 December 1846 / Mustered Out 27 July 1848 / Colonel USV 6th Pennsylvania Militia 22 April 1861 / Mustered Out USV 26 July 1861 / Colonel USV 48th Pennsylvania Infantry 1 October 1861 / Brigadier-General USV 10 September 1862 Expired Unconfirmed 4 March 1863 / Reappointed Brigadier-General USV 23 March 1863 to rank from 13 March 1863 / Resigned USV 9 May 1863 to date from 21 May 1863 / Colonel 39th Pennsylvania 1 July 1863 / Mustered Out USV 2 August 1863 / Colonel USV 194th Pennsylvania 24 July 1864 / Mustered Out USV 5 November 1864
1st Brigade 2nd Division Department of North Carolina 2 April 1862-6 July 1862 / 1st Brigade 2nd Division IX Corps Army of the Potomac 22 July 1862-3 August 1862 / 1st Brigade 2nd Division IX Corps Army of Virginia 3 August 1862-3 September 1862 / 1st Brigade 2nd Division IX Corps Army of the Potomac 3 September 1862-February 1863 / 1st Brigade 2nd Division IX Corps Department of Virginia March 1863-19 March 1863 /1st Brigade 2nd Division IX Corps Army of the Ohio 19 March 1863-21 May 1863 / District of the Neuse 23 April 1863-26 April 1863

Naglee, Henry Morris / Pennsylvania / Born 15 January 1815 Philadelphia, Pennsylvania / Died San Francisco, California 5 March 1886
USMA 1 July 1835 23/56 Infantry / Cadet USMA 1 July 1831 / 5th US Infantry 1 July 1835 / Resigned USA 31 December 1835 / Captain USV 1st New York Infantry 15 August 1846 / Mustered Out USV 26 October 1848 / California Militia / Lieutenant-Colonel USA 16th US Infantry 14 May 1861 / Resigned USA 10 January 1862 / Brigadier-General USV 12 February 1862 to rank from 4 February 1862 / Mustered Out USV 4 April 1864 / Brevet 2nd Lieutenant USA 1 July 1835 / WIA Fair Oaks 31 May 1862
1st Brigade Hooker’s Division Army of the Potomac 11 October 1861-January 1862 / 1st Brigade Casey’s Division Army of the Potomac January 1862-13 March 1862 / 1st Brigade 2nd Division III Corps Army of the Potomac 13 March 1862-27 April 1862 / 1st Brigade 3rd Division IV Corps Army of the Potomac 27 April 1862-7 June 1862 / 1st Brigade 2nd Division IV Corps Army of the Potomac 7 June 1862-6 July 1862 / 1st Brigade 2nd Division IV Corps Army of the Potomac 10 August 1862-26 September 1862 / Naglee’s Brigade Department of North Carolina December 1862-2 January 1863 / 2nd Division XVIII Corps Department of North Carolina 2 January 1863-10 February 1863 / Detachment XVIII Corps 10 February 1863-5 March 1863 / District of the Neuse 23 April 1863-27 April 1863 / District of Beaufort North Carolina 27 April 1863-29 May 1863 / VII Corps Virginia and North Carolina 16 July 1863-19 July 1863 / VII Corps Virginia and North Carolina 25 July 1863-1 August 1863 / District of Virginia 21 August 1863-23 September 1863

Negley, James Scott / Pennsylvania / Born 22 December 1826 East Liberty, Pennsylvania / Died Plainfield, New Jersey 7 August 1901
Private USV 1st Pennsylvania Infantry 16 December 1846 / Sergeant USV 1847 / Mustered Out USV 25 July 1848 / Brigadier-General Pennsylvania Militia 19 April 1861 Expired 20 July 1861 / Brigadier-General USV 6 February 1862 to rank from 1 October 1861 / Major-General USV 16 March 1863 to rank from 29 November 1862 / Resigned USV 19 January 1865
5th Brigade 2nd Division Department of Pennsylvania 10 June 1861-20 July 1861 / 4th Brigade Department of the Cumberland 5 October 1861-9 November 1861 / 7th Brigade Army of the Ohio 30 November 1861-2 December 1861 / 7th Brigade 2nd Division Army of the Ohio 2 December 1861-15 March 1862 / 7th Brigade Army of the Ohio 15 March 1862-14 September 1862 / 8th Division Army of the Ohio 14 September 1862-24 October 1862 / 8th Division Army of the Cumberland 24 October 1862-9 November 1862 / 2nd Division Centre XIV Corps Army of the Cumberland 5 November 1862-9 January 1863 / 2nd Division XIV Corps Army of the Cumberland 9 January 1863-10 October 1863

Neill, Thomas Hewson / Pennsylvania / Born 9 April 1826 Philadelphia, Pennsylvania / Died 12 March 1885
USMA 1 July 1847 27/38 Infantry-Cavalry / Cadet USMA 1 July 1843 / 4th US Infantry 1 July 1847 / 2nd Lieutenant USA 5th US Infantry 8 September 1847 / 1st Lieutenant USA 31 July 1850 / Captain USA 1 April 1857 / Assistant Adjutant-General May 1861 / Colonel USV 23rd Pennsylvania Infantry 17 February 1862 / Brigadier-General USV 15 April 1863 to rank from 29 November 1862 / Major USA 11th US Infantry 26 August 1863 / Mustered Out USV 24 August 1865 / 21st US Infantry 21 September 1866 / Lieutenant-Colonel USA 1st US Infantry 22 February 1869 / 6th US Cavalry 15 December 1870 / Commandant of Cadets USMA 1 July 1875-30 June 1879 / Colonel USA 8th US Cavalry 2 April 1879 / Retired USA 2 April 1883 / Brevet 2nd Lieutenant USA 1 July 1847 Brevet Major USA 1 July 1862 Brevet Lieutenant-Colonel USA 3 May 1863 Brevet Colonel USA 12 May 1864 Brevet Brigadier-General USA 13 March 1865
Assistant Adjutant-General Department of Annapolis May 1861-June 1861 / Assistant Adjutant-General Department of Pennsylvania 10 June 1861-September 1861 / 3rd Brigade 2nd Division VI Corps Army of the Potomac 13 December 1862-28 May 1863 / 3rd Brigade 2nd Division VI Corps Army of the Potomac 10 June 1863-4 January 1864 / 2nd Division VI Corps Army of the Potomac 4 January 1864-21 February 1864 / 3rd Brigade 2nd Division VI Corps Army of the Potomac 25 March 1864-6 May 1864 / 2nd Division VI Corps Army of the Potomac 7 May 1864-21 June 1864 / Assistant Inspector-General Middle Department September 1864-December 1864

Nelson, William / Kentucky / Born 27 September 1824 Maysville, Kentucky / Died Maysville, Kentucky 29 September 1862
Midshipman USN 28 January 1840 / Passed Midshipman USN 11 July 1846 / Master USN 19 September 1854 / Lieutenant USN 18 April 1855 / Attached Kentucky Home Guard 1 July 1861 / Attached USA 16 September 1861 / Brigadier-General USV 16 September 1861 / Lieutenant-Commander USN 16 July 1862 / Major-General USV 17 July 1862 / WIA Richmond 30 August 1862
Nelson’s Brigade Department of the Cumberland November 1861-2 December 1861 / 4th Division Army of the Ohio 2 December 1861-28 April 1862 / 4th Division Centre Army of the Ohio 28 April 1862-16 August 1862 / Army of Kentucky 25 August 1862-30 August 1862

Newton, John / Virginia / Born 25 August 1822 Norfolk, Virginia / Died 1 May 1895
USMA 1 July 1842 2/56 Engineers / Cadet USMA 1 July 1828 / 2nd Lieutenant USA Engineers 1 July 1842 / 1st Lieutenant USA 16 October 1852 / Captain USA 1 July 1856 / Major USA 6 August 1861 / Brigadier-General USV 23 September 1861 / Major-General USV 30 March 1863 Withdrawn 23 March 1864 / Reappointed Brigadier-General USV 18 April 1864 to rank from 23 September 1861 / Lieutenant-Colonel USA 28 December 1865 / Mustered Out USV 31 January 1866 / Colonel USA 30 June 1879 / Brigadier-General USA Chief of Engineers 6 March 1884 / Retired USA 27 August 1886 / Brevet Lieutenant-Colonel USA 17 September 1862 Brevet Colonel USA 3 July 1863 Brevet Brigadier-General USA 13 March 1865 Brevet Major-General USA 13 March 1865 Brevet Major-General USV 13 March 1865 / WIA Salem Heights 3 May 1863
Chief Engineer Department of Pennsylvania 29 May 1861-23 July 1861 / Chief Engineer Department of the Susquehanna 23 July 1861-17 August 1861 / 3rd Brigade Franklin’s Division Army of the Potomac 28 August 1861-13 March 1862 / 3rd Brigade 1st Division I Corps Army of the Potomac 13 March 1862- 9 April 1862 / 3rd Brigade 1st Division Department of the Rappahannock 9 April 1862-18 May 1862 / 3rd Brigade 1st Division VI Corps Army of the Potomac 18 May 1862-21 September 1862 / 1st Division VI Corps Army of the Potomac 15 October 1862-18 October 1862 / 3rd Division VI Corps Army of the Potomac 18 October 1862-15 December 1862 / VI Corps Potomac 25 January 1863-5 February 1863 / 3rd Division VI Corps Army of the Potomac 5 February 1863-1 July 1863 / I Corps Potomac 2 July 1863-12 March 1864 / I Corps Potomac 14 March 1864-24 March 1864 / 2nd Division IV Corps Army of the Cumberland 16 April 1864-24 September 1864 / District of Key West and the Tortugas 15 October 1864-17 May 1865 / Department of Florida 27 June 1865-1 August 1865 / Chief of Engineers 6 March 1884-27 August 1886

Nickerson, Franklin Stillman (Francis Stebin) / Maine / Born 27 August 1826 Swanville, Maine / Died Boston, Massachusetts 23 January 1917
Major USV 4th Maine Infantry 15 June 1861 / Lieutenant-Colonel USV 9 September 1861 / Colonel USV 14th Maine Infantry 25 November 1861 / Brigadier-General USV 16 March 1863 to rank from 29 November 1862 / Resigned USV 13 May 1865
3rd Brigade 2nd Division XIX Corps Department of the Gulf 13 January 1863-28 May 1863 / 2nd Division XIX Corps Department of the Gulf 28 May 1863-30 May 1863 / 3rd Brigade 2nd Division XIX Corps Department of the Gulf 30 May 1863-10 July 1863/ 1st Brigade 3rd Division XIX Corps Department of the Gulf 10 July 1863-15 August 1863 / 1st Brigade 3rd Division XIX Corps Department of the Gulf 19 August 1863-10 September 1863 / 1st Brigade 2nd Division XIX Corps Department of the Gulf 13 February 1864-29 June 1864

Oglesby, Richard James / Kentucky / Born 25 July 1824 Floydsburg, Kentucky / Died Elkhart, Illinois 24 April 1899
1st Lieutenant USV 4th Illinois Infantry 13 June 1846 / Mustered Out USV 25 May 1847 / Colonel USV 8th Illinois Infantry 25 April 1861 / Mustered Out USV 24 July 1861 / Colonel USV 8th Illinois 25 July 1861 / Brigadier-General USV 22 March 1862 to rank from 21 March 1862 / Major-General USV 10 March 1863 to rank from USV 29 November 1862 / Resigned USV 26 May 1864 / WIA Corinth 3 October 1862
2nd Brigade District of Southeast Missouri 1 September 18961-14 October 1861 / 2nd Brigade District of Cairo 14 October 1861-1 February 1862 / 1st Brigade District of Cairo 1 February 1862-17 February 1862 / 1st Brigade 1st Division Army of the Tennessee 17 February 1862-23 February 1862 / 3rd Brigade 1st Division Army of the Tennessee 13 April 1862-15 April 1862 / 2nd Brigade 2nd Division Army of the Tennessee 15 April 1862-July 1862 / 2nd Brigade 2nd Division District of Corinth July 1862-3 October 1862 / Left Wing XVI Corps Army of the Tennessee 1 April 1863-7 July 1863

Oliver, John Morrison / New York / Born 6 September 1827 Penn Yan, New York / Died Washington, District of Columbia 30 March 1872
Private USV 4th Michigan Infantry 17 April 1861 / 1st Lieutenant USV 20 June 1861 / Captain USV 25 September 1861 / Colonel USV 15th Michigan Infantry 13 March 1862 / Brigadier-General USV 12 January 1865 / Mustered Out USV 24 August 1865 / Brevet Major-General USV 13 March 1865
2nd Brigade 6th Division Army of the Tennessee 20 April 1862-24 July 1862 / 2nd Brigade 6th Division District of Corinth 24 July 1862-1 November 1862 / 2nd Brigade 4th Division XV Corps Army of the Tennessee 5 August 1863-25 October 1863 / 3rd Brigade 4th Division XV Corps Army of the Tennessee 6 May 1864-4 August 1864 / 1st Brigade 4th Division XV Corps Army of the Tennessee 4 August 1864-14 September 1864 / 3rd Brigade 2nd Division XV Corps Army of the Tennessee 25 September 1864-18 May 1864 / 2nd Division XV Corps Army of the Tennessee 18 May 1865-1 August 1865

Opdycke, Samuel Emerson (Emerson) / Ohio / Born 7 January 1830 Hubbard, Ohio / Died New York, New York 22 April 1884
1st Lieutenant USV 41st Ohio Infantry 26 August 1861 / Captain USV 9 January 1862 / Resigned USV 17 September 1862 / Lieutenant-Colonel USV 125th Ohio Infantry 1 October 1862 / Colonel USV 14 January 1863 / Brigadier-General USV 26 July 1865 / Resigned USV 1 January 1866 / Brevet Brigadier-General USV 30 November 1864 Brevet Major-General USV 7 February 1865 / WIA Shiloh 6 April 1862 WIA Resaca 14 May 1864
1st Brigade 2nd Division IV Corps Army of the Cumberland 4 August 1864-15 February 1865 / 1st Brigade 2nd Division IV Corps Army of the Cumberland 15 March 1865-7 June 1865 / 2nd Division IV Corps Army of the Cumberland 27 June 1865-11 July 1865

Ord, Edward Otho Cresap / Maryland-District of Columbia / Born 18 October 1818 Cumberland, Maryland / Died 22 July 1883
USMA 1 July 1839 17/31 Artillery / Cadet USMA 1 September 1835 / 2nd Lieutenant 3rd US Artillery 1 July 1839 / 1st Lieutenant 1 July 1841 / Captain USA 7 September 1850 / Brigadier-General USV 14 September 1861 / Major USA 4th US Artillery 21 November 1861 / Major-General USV 3 May 1862 to rank from 2 May 1862 / Lieutenant-Colonel 1st US Artillery 11 December 1865 / Brigadier-General USA 26 July 1866 / Mustered Out USV 1 September 1866 / Retired USA 6 December 1880 / Major-General Retired USA 28 January 1881 / Brevet Lieutenant-Colonel USA 20 December 1861 Brevet Colonel USA 19 September 1862 Brevet Brigadier-General USA 13 March 1865 Brevet Major-General USA 13 March 1865 / WIA Hatchie River 5 October 1862 WIA Fort Harrison 29 September 1864
3rd Brigade McCall’s Division Army of the Potomac 5 October 1862-13 March 1862 / 3rd Brigade 2nd Division I Corps Army of the Potomac 13 March 1862-4 April 1862 / 3rd Brigade 2nd Division Department of the Rappahannock 4 April 1862-16 May 1862 / 2nd Division Department of the Rappahannock 16 May 1862-10 June 1862 / 2nd Division Army of the Tennessee June 1862-5 August 1862 / Sub-District of Jackson 24 September 1862-5 October 1862 / XIII Corps Tennessee 19 June 1863-28 July 1863 / XIII Corps Gulf 15 September 1863-19 October 1863 / XIII Corps Gulf 9 January 1864-20 February 1864 / X Corps James 21 July 1864-21 July 1864 / XVIII Corps James 21 July 1864-4 September 1864 / Department of Virginia and North Carolina 27 July 1864-5 September 1864 / XVIII Corps James 22 September 1864-29 September 1864 / XXIV Corps James 3 December 1864-6 December 1864 / Department of Virginia and North Carolina 14 December 1864-24 December 1864 / Department of Virginia and North Carolina 7 January 1865-18 January 1865 / Army of the James 8 January 1865-1 August 1865 / Department of Virginia 18 January 1865-14 June 1865 / District of Virginia 31 January 1865 / Department of the Ohio 27 June 1865-26 December 1865 / Department of the Ohio 13 January 1866-6 August 1866 / Department of Arkansas 29 August 1866-11 March 1867 / Fourth Military District 11 March 1867-28 December 1867 / Department of California 28 December 1867-18 November 1871

Orme, William Ward / District of Columbia / Born 17 February 1832 Washington, District of Columbia / Died Bloomington, Illinois 13 September 1866
Colonel USV 94th Illinois Infantry 20 August 1862 / Brigadier-General USV 13 March 1863 to rank from 29 November 1862 / Resigned USV 26 April 1864
2nd Brigade 3rd Division Army of the Frontier 12 October 1862-December 1862 / 2nd Brigade 3rd Division Army of the Frontier 10 April 1863-5 June 1863 / 2nd Brigade Herron’s Division XIII Corps Army of the Tennessee 11 July 1863-28 July 1863 / 2nd Brigade 2nd Division XIII Corps Army of the Tennessee 28 July 1863-7 August 1863 / 2nd Brigade 2nd Division XIII Corps Department of the Gulf 7 August 1863-25 August 1863

Osborn, Thomas Ogden / Ohio / Born 11 August 1832 Jersey, Ohio / Died 27 March 1904
Lieutenant-Colonel USV 39th Illinois Infantry 11 October 1861 / Colonel USV 1 January 1862 / Brigadier-General USV 1 May 1865 / Resigned USV 28 September 1865 / Brevet Brigadier-General USV 10 March 1865 / Brevet Major-General USV 2 April 1865 / WIA Fort Wagner September 1863 WIA Drewry’s Bluff 14 May 1864
1st Brigade 3rd Division XVIII Corps Department of North Carolina 2 January 1863-26 March 1863 / 3rd Brigade 2nd Division XVII Corps St Helen Island Department of the South 26 March 1863-16 April 1863 / 2nd Brigade Morris Island X Corps Department of the South 19 September 1863-10 October 1863 / 1st Brigade 1st Division XXIV Corps Army of the James 8 December 1864-2 May 1865 / 1st Division XXIV Corps Army of the James 2 May 1865-8 July 1865 / 1st Brigade 1st Division XXIV Corps Army of the James 8 July 1865-25 July 1865

Osterhaus, Peter Joseph / Germany / Born 4 January 1823 Koblenz, Prussia / Died Duisburg, Germany 2 January 1917
Berlin Military Academy / Prussian Army / Private 2nd Missouri Infantry 27 April 1861 / Major USV 27 April 1861 / Mustered Out USV 22 August 1861 / Colonel USV 12th Missouri Infantry 19 December 1861 / Brigadier-General USV 12 June 1862 to rank from 9 June 1862 / Major-General USV 23 July 1864 / Mustered Out USV 15 January 1866 / Brigadier-General Retired USA 8 March 1905 / Major-General USA Retired 4 March 1915 / WIA Big Black River 17 May 1863
2nd Brigade 3rd Division Western Army 24 September 1861 / 2nd Brigade Army of the Southwest 31 January 1862-9 February 1862 / 1st Brigade 1st Division Army of the Southwest 9 February 1862-13 May 1862 /1st Division Army of the Southwest March 1862 / 3rd Division Army of the Southwest 13 May 1862-2 November 1862 / 1st Brigade 1st Division District of Eastern Arkansas 2 November 1862-December 1862 / 2nd Division I Corps Army of the Mississippi 4 January 1863-12 January 1863 / 9th Division XIII Corps Army of the Tennessee 12 January 1863-17 May 1863 / 9th Division XIII Corps Army of the Tennessee 19 May 1863-28 July 1863 / 1st Division XIII Corps Army of the Tennessee 1 September 1863-4 January 1864 / 1st Division XIII Corps Army of the Tennessee 6 February 1864-15 July 1864 / 1st Division XIII Corps Army of the Tennessee 19 August 1864-23 September 1864 /XV Corps Tennessee 23 September 1864-8 January 1865 / Chief of Staff Military Division of West Mississippi 16 March 1865-17 May 1865 / District of Mississippi 17 May 1865-27 June 1865 / Northern District of Mississippi 27 June 1865-15 January 1866 / Department of Mississippi 16 September 1865-14 November 1865

Owen, Joshua Thomas / Wales / Born 29 March 1821 Carmarthen, Wales / Died Philadelphia, Pennsylvania 7 November 1887
Private Pennsylvania Militia / Colonel USV 24th Pennsylvania Infantry 8 May 1861 / Mustered Out USV 10 August 1861 / Colonel USV Infantry 69th Pennsylvania 18 August 1861 / Brigadier-General USV 31 December 1862 to rank from 29 November 1862 Expired 4 March 1863 / Reappointed Brigadier-General USV 9 April 1863 to rank from 30 March 1863 / Discharged 18 July 1864

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