# First Battle of Deep Bottom order of battle: Union

The following Union Army units and commanders fought in the First Battle of Deep Bottom (July 27–29, 1864) of the American Civil War. The Confederate order of battle is listed separately.

## Abbreviations used
### Military Rank

* LTG = Lieutenant General
* MG = Major General
* BG = Brigadier General
* Col = Colonel
* Ltc = Lieutenant Colonel
* Maj = Major
* Cpt = Captain
* Lt = Lieutenant

### Other

* w = wounded
* mw = mortally wounded
* k = killed
* c = captured

## Union Forces
### General in Chief

LTG Ulysses S. Grant

### Army of the Potomac

MG George Meade

#### II Corps

MG Winfield Scott Hancock
Escort:
* 1st Vermont Cavalry, Company M: Cpt John H. Hazelton
Engineers:
* 1st Battalion, New York Infantry: Maj Wesley Brainerd
Chief of Artillery: Col John C. Tidball
| Division | Brigade | Regiments and Others |
| First Division   BG Francis C. Barlow until 29 July   BG Nelson A. Miles | 1st Brigade   BG Nelson A. Miles until July 29   Col James C. Lynch | 28th Massachusetts: Maj James Flemming 26th Michigan: Cpt Lucius H. Ives 5th New Hampshire: Maj James E. Larkin 61st New York: Maj George W. Scott 81st Pennsylvania: Ltc William Wilson 140th Pennsylvania: Cpt Thomas Henry 183rd Pennsylvania: Ltc George T. Egbert 2nd New York Heavy Artillery: Maj George Hogg |
| First Division   BG Francis C. Barlow until 29 July   BG Nelson A. Miles | Consolidated Brigade   Col Clinton D. MacDougall | 39th New York: Cpt David A. Allen 52nd New York: Cpt George Degener 57th New York: Cpt L. Hart Wilder 63rd New York (6 companies): Cpt Alexander Watts 69th New York (6 companies): Cpt Albert Gosse 88th New York: Ltc Denis F. Burke 111th New York: Cpt Marcus W. Murdock 125th New York: Cpt Nelson Penfield 126th New York: Cpt John B. Geddis |
| First Division   BG Francis C. Barlow until 29 July   BG Nelson A. Miles | 4th Brigade   Ltc Knut Oscar Broady | 2nd Delaware (5 companies): 64th New York: Ltc William Glenny 66th New York: Cpt Nathaniel P. Lane 53rd Pennsylvania: Cpt Philip H. Schreyer 145th Pennsylvania: Cpt James H. Hamlin 148th Pennsylvania: Cpt Alfred A. Rhinehart 7th New York Heavy Artillery: Ltc Joseph H. Murphy 116th Pennsylvania: Cpt David W. Megraw |
| Second Division   MG John Gibbon Provost guard: 2nd Company Minnesota Sharpshooters: Cpt Mahlon Black | 1st Brigade   Ltc Francis E. Pierce | 19th Maine: Cpt Joseph W. Spaulding 15th Massachusetts: Maj Isaac Harris Hooper 19th Massachusetts: 20th Massachusetts: 1st Company Massachusetts Sharpshooters: 7th Michigan: 1st Minnesota Battalion (2 companies): Cpt James C. Farwell 42nd New York: 59th New York: 82nd New York: 184th Pennsylvania: 36th Wisconsin: |
| Second Division   MG John Gibbon Provost guard: 2nd Company Minnesota Sharpshooters: Cpt Mahlon Black | 2nd Brigade   Col Mathew Murphy | 8th New York Heavy Artillery: Maj Erastus M. Spaulding 155th New York: Maj John Byrne 164th New York: Maj John Beattie 170th New York: Cpt John Coonan 182nd New York Heavy Artillery: Col Mathew Murphy |
| Second Division   MG John Gibbon Provost guard: 2nd Company Minnesota Sharpshooters: Cpt Mahlon Black | 3rd Brigade   Col Thomas A. Smyth | 14th Connecticut: Cpt John C. Broatch 1st Delaware: 12th New Jersey: 10th New York (6 companies): 108th New York: 8th Ohio: 69th Pennsylvania: Cpt Patrick S. Tinen 106th Pennsylvania: Cpt John B. Breitenbach 7th West Virginia: |
| Third Division   BG Gershom Mott | 1st Brigade   BG Régis de Trobriand | 20th Indiana: 17th Maine: 40th New York: Cpt Madison M. Cannon 73rd New York: Ltc Michael W. Burns 86th New York: 124th New York: 99th Pennsylvania: Col Edwin Ruthwin Biles 110th Pennsylvania: 2nd U.S. Sharpshooters: 4th New York Heavy Artillery (5 companies): Maj Frank Williams |
| Third Division   BG Gershom Mott | 2nd Brigade   Col Daniel Chaplin (until July 28)  Col Henry J. Madill (July 28) | 5th Michigan: Col John Pulford 93rd New York: Maj Samuel McConihe 57th Pennsylvania: Ltc William B. Neeper 63rd Pennsylvania: 105th Pennsylvania: Cpt John C. Conser 141st Pennsylvania: Col Henry J. Madill 1st U.S. Sharpshooters: Cpt John Wilson 1st Massachusetts Heavy Artillery: Maj Nathaniel Shatswell 1st Maine Heavy Artillery: Ltc Thomas H. Talbot [transferred to 1st Brigade, July 28] |
| Third Division   BG Gershom Mott | 3rd Brigade   Col Robert McAllister | 16th Massachusetts: 5th New Jersey: Cpt Thomas C. Godfrey 6th New Jersey: 7th New Jersey: Cpt Thomas C. Thompson 8th New Jersey: Maj Virgil M. Healy 11th New Jersey: Col Robert McAllister, Ltc John Schoonover (from July 30) |
| Third Division   BG Gershom Mott | 4th Brigade   Col William R. Brewster | 11th Massachusetts (5 companies): Col William Blaisdell 71st New York: 72nd New York (3 companies): 74th New York: 84th Pennsylvania: Ltc George Zinn |
| Third Division   BG Gershom Mott | Artillery Brigade   Maj John G. Hazard | 6th Maine Light: Cpt Edwin B. Dow 10th Battery, Massachusetts Light: Cpt Henry J. Sleeper 1st Battery, New Hampshire Light: Cpt Frederick M. Edgell Battery B, 1st New Jersey Light: Cpt A. Judson Clark 3rd Battery, New Jersey Light: Cpt Christian Woerner 4th New York Heavy: Cpt John B. Vande Wieler Battery G, 1st New York Light: Cpt Nelson Ames 11th Battery, New York Light: Cpt John E. Burton 12th Battery, New York Light: Cpt George F. McKnight Battery F, 1st Pennsylvania Light: Cpt R. Bruce Ricketts Battery A, 1st Rhode Island Light: Lt William S. Perrin Battery B, 1st Rhode Island Light: Cpt Thomas Frederick Brown Battery K, 4th U.S.: Cpt John W. Roder Battery C, 5th U.S.: Battery I, 5th U.S.: |

#### Cavalry Corps

MG Philip Sheridan
| Division | Brigade | Regiments and Others |
| First Division BG Alfred T. A. Torbert | 1st Brigade (Wolverine Brigade) k-0, w-0, m-0 = 0 BG George A. Custer | 1st Michigan 5th Michigan 6th Michigan 7th Michigan |
| First Division BG Alfred T. A. Torbert | 2nd Brigade k-3, w-12, m-0 = 15 Col Thomas C. Devin | 4th New York 6th New York 9th New York 17th Pennsylvania 2nd U.S. Artillery, Batteries B and L |
| First Division BG Alfred T. A. Torbert | Reserve Brigade k-7, w-48, m-5 = 60 BG Wesley Merritt | 19th New York (1st Dragoon) 6th Pennsylvania 1st Rhode Island, detachment 1st United States 2nd United States 5th United States 2nd U.S. Artillery, Battery D |
| Second Cavalry Division   BG David McMurtrie Gregg | 1st Brigade   BG Henry Eugene Davies | 1st Massachusetts Cavalry: 1st New Jersey Cavalry: 10th New York Cavalry: 6th Ohio Cavalry: Col William Stedman 1st Pennsylvania Cavalry: |
| Second Cavalry Division   BG David McMurtrie Gregg | 2nd Brigade   Col John Irvin Gregg | 1st Maine Cavalry: 2nd Pennsylvania Cavalry: 4th Pennsylvania Cavalry: 8th Pennsylvania Cavalry: 13th Pennsylvania Cavalry: 16th Pennsylvania Cavalry: |

### Army of the James

MG Benjamin F. Butler

#### X Corps

| Division | Brigade | Regiments and Others |
| First Division | 3rd Brigade   BG Robert Sanford Foster | 10th Connecticut: Col John L. Otis 11th Maine: Maj Jonathan A. Hill 1st Maryland Cavalry (dismounted): 24th Massachusetts: Col Francis A. Osborn 100th New York: |

#### XIX Corps

| Division | Brigade | Regiments and Others |
| Second Division | 1st Brigade   BG Henry Warner Birge | 9th Connecticut: 12th Maine: 14th Maine: 26th Massachusetts: 14th New Hampshire: 75th New York: |

#### Cavalry

| Division | Brigade | Regiments and Others |
| Cavalry Division   BG August Kautz | 1st Brigade   Col Robert M. West | 3rd New York Cavalry: Cpt John M. Wilson 5th Pennsylvania Cavalry (detachment): Col Robert M. West |
| Cavalry Division   BG August Kautz | 2nd Brigade   Col Samuel P. Spear | 1st District of Columbia Cavalry: Maj J. Stannard Baker 11th Pennsylvania Cavalry (detachment): |
| Cavalry Division   BG August Kautz | Unassigned | 4th Massachusetts Cavalry, Company F: 4th Massachusetts Cavalry, Company G: 1st New York Mounted Rifles: |
| Cavalry Division   BG August Kautz | Artillery | 4th Wisconsin Battery (1st section): Cpt George B. Easterly 4th Wisconsin Battery (2nd section): Lt William P. Powers |

### Naval forces

* USS Mendota: Commander Edward T. Nichols