Battle of Mine Run order of battle: Union
The following units and commanders fought in the Mine Run campaign of the American Civil War on the Union side. The Confederate order of battle is shown separately.
Military rank abbreviations used
MG = Major GeneralBG = Brigadier GeneralCol = ColonelLtc = Lieutenant ColonelMaj = MajorCpt = CaptainLt = LieutenantSgt = Sergeant[Army of the Potomac]
MG G. Meade, CommandingGeneral staff and headquarters
- Chief of Staff: MG Andrew A. Humphreys
- Chief of Artillery: BG Henry J. Hunt
- Assistant Adjutant General: BG Seth Williams
- Chief Quartermaster: BG Rufus Ingalls
- Provost Marshal General: BG Marsena R. Patrick
- * 1st Maryland Cavalry : Maj Charles H. Russell
- * 80th New York (20th Militia): Ltc Jacob B. Hardenbergh
- * 93rd New York: Ltc Benjamin C. Butler
- * 1st US Cavalry : Cpt Isaac R. Dunkelberger
- Engineer Brigade: BG Henry W. Benham
- * 15th New York : Maj William A. Ketchum
- * 50th New York: Col William H. Pettes
- * U.S. Battalion: Cpt George H. Mendell
- Ordnance Detachment: Lt Morris Schaff
- Guards and Orderlies
- * Oneida Cavalry: Cpt Daniel P. Mann
- Signal Corps: Cpt Lemuel B. Norton
I Corps">I Corps (Union Army)">I Corps
- MG John Newton
- Escort: 4th and 16th Pennsylvania Cavalry : Cpt Robert A. Robinson
| Division | Brigade | Regiments and others |
First Division: BG Lysander Cutler | 1st Brigade : Col William W. Robinson |
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| First Division: BG Lysander Cutler | 2nd Brigade: BG James C. Rice |
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| Second Division: BG John C. Robinson | 1st Brigade: Col Samuel H. Leonard |
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| Second Division: BG John C. Robinson | 2nd Brigade: BG Henry Baxter |
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| Third Division: BG John R. Kenly | 1st Brigade: Col Chapman Biddle |
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| Third Division: BG John R. Kenly | 2nd Brigade: Col Langhorne Wister |
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| Third Division: BG John R. Kenly | 3rd Brigade: Col Nathan T. Dushane |
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| Artillery Brigade: Col Charles S. Wainwright |
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II Corps">II Corps (Union Army)">II Corps
- MG Gouverneur K. Warren
- Escort: 10th New York Cavalry, Company M and 13th Pennsylvania Cavalry, Company G: Lt Robert Brown
| Division | Brigade | Regiments and others |
First Division: BG John C. Caldwell | 1st Brigade: Col Nelson A. Miles |
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| First Division: BG John C. Caldwell | 2nd Brigade : Col Patrick Kelly |
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| First Division: BG John C. Caldwell | 3rd Brigade: Col James A. Beaver |
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| First Division: BG John C. Caldwell | 4th Brigade: Col John R. Brooke |
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| Second Division: BG Alexander S. Webb | 1st Brigade: Col De Witt C. Baxter |
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| Second Division: BG Alexander S. Webb | 2nd Brigade "Philadelphia Brigade": Col Arthur F. Devereux |
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| Second Division: BG Alexander S. Webb | 3rd Brigade: Col Turner G. Morehead |
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| Third Division: BG Alexander Hays | 1st Brigade : Col Samuel S. Carroll |
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| Third Division: BG Alexander Hays | 2nd Brigade: Col Thomas A. Smyth |
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| Third Division: BG Alexander Hays | 3rd Brigade: BG Joshua T. Owen |
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| Artillery Brigade: Ltc J. Albert Monroe |
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III Corps">III Corps (Union Army)">III Corps
| Division | Brigade | Regiments and others |
First Division: MG David B. Birney | 1st Brigade: Col Charles H. T. Collis |
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| First Division: MG David B. Birney | 2nd Brigade: BG John H. H. Ward |
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| First Division: MG David B. Birney | 3rd Brigade: Col P. Régis de Trobriand |
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| Second Division: BG Henry Prince | 1st Brigade: Col William E. Blaisdell |
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| Second Division: BG Henry Prince | 2nd Brigade : Col William R. Brewster |
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| Second Division: BG Henry Prince | 3rd Brigade: BG Gershom Mott |
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| Third Division: BG Joseph B. Carr | 1st Brigade: BG William H. Morris |
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| Third Division: BG Joseph B. Carr | 2nd Brigade: Col Joseph W. Keifer |
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| Third Division: BG Joseph B. Carr | 3rd Brigade: Col Benjamin F. Smith |
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| Artillery Brigade: Cpt George E. Randolph |
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V Corps">V Corps (Union Army)">V Corps
- MG George Sykes
- Provost Guard: 12th New York : Cpt Henry W. Ryder
| Division | Brigade | Regiments and others |
First Division: BG Joseph J. Bartlett | 1st Brigade: Col William S. Tilton |
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| First Division: BG Joseph J. Bartlett | 2nd Brigade: Col Jacob B. Sweitzer |
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| First Division: BG Joseph J. Bartlett | 3rd Brigade: Col Joseph Hayes |
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| Second Division: BG Romeyn B. Ayres | 1st Brigade: Col Sidney Burbank | |
| Second Division: BG Romeyn B. Ayres | 3rd Brigade: BG Kenner Garrard |
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| Third Division: BG Samuel W. Crawford | 1st Brigade: Col William McCandless |
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| Third Division: BG Samuel W. Crawford | 3rd Brigade: Col Martin D. Hardin |
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| Artillery Brigade: Cpt Augustus Pearl Martin |
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VI Corps">VI Corps (Union Army)">VI Corps
- MG John Sedgwick
- Escort: 1st Vermont Cavalry : Cpt Andrew J. Grover
| Division | Brigade | Regiments and others |
First Division: BG Horatio G. Wright | 1st Brigade : BG Alfred T. A. Torbert |
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| First Division: BG Horatio G. Wright | 2nd Brigade: Col Emory Upton |
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| First Division: BG Horatio G. Wright | 3rd Brigade: Col Peter C. Ellmaker |
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| Second Division: BG Albion P. Howe | 2nd Brigade : Col Lewis A. Grant |
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| Second Division: BG Albion P. Howe | 3rd Brigade: BG Thomas H. Neill |
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| Third Division: BG Henry D. Terry | 1st Brigade: BG Alexander Shaler |
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| Third Division: BG Henry D. Terry | 2nd Brigade: BG Henry L. Eustis |
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| Third Division: BG Henry D. Terry | 3rd Brigade: BG Frank Wheaton |
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| Artillery Brigade: Col Charles H. Tompkins |
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Cavalry Corps">Cavalry Corps (ACW)">Cavalry Corps
- MG Alfred Pleasonton
- Headquarters Guard: 6th US: Maj Robert M. Morris
| Division | Brigade | Regiments and others |
First Division: BG John Buford | 1st Brigade: Col George H. Chapman |
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| First Division: BG John Buford | 2nd Brigade: Col Thomas Devin |
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| First Division: BG John Buford | Reserve Brigade: BG Wesley Merritt |
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| Second Division: BG David McM. Gregg | 1st Brigade: Col John P. Taylor |
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| Second Division: BG David McM. Gregg | 2nd Brigade: Col John Irvin Gregg |
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| Third Division: BG George A. Custer | 1st Brigade: BG Henry E. Davies, Jr. |
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| Third Division: BG George A. Custer | 2nd Brigade : Col Charles H. Town |
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| Third Division: BG George A. Custer | Headquarters Guard |
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| Horse Artillery | 1st Brigade: Cpt James M. Robertson |
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| Horse Artillery | 2nd Brigade: Cpt William M. Graham |
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Artillery reserve
| Brigade | Batteries |
| 1st Volunteer Brigade: Ltc Freeman McGilvery |
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| 2nd Volunteer Brigade: Cpt Elijah D. Taft |
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| 3rd Volunteer Brigade: Maj Robert H. Fitzhugh |
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| Ammunition Guard |