Battle of Hatcher's Run order of battle: Union

The following Union Army units and commanders fought in the Battle of Hatcher's Run (February 5-7, 1865) during the Petersburg campaign of the American Civil War. Order of battle is compiled from the official tabulation of casualties and includes only units which sustained casualties.^[1]

Division	Brigade	Regiments and Others
First Division [not engaged]	4th Brigade Col John Ramsey	8th New York Heavy Artillery 64th New York 53rd Pennsylvania 116th Pennsylvania 144th Pennsylvania
Second Division BG Thomas A. Smyth	1st Brigade Col William A. Olmsted	19th Massachusetts 20th Massachusetts 59th New York 184th Pennsylvania
	2nd Brigade Col Mathew Murphy (mw) 5 Feb Col James Patrick McIvor	8th New York Heavy Artillery 164th New York 170th New York 182nd New York
	3rd Brigade Ltc Francis E. Pierce	14th Connecticut 12th New Jersey 10th New York Battalion (Zouaves) 69th Pennsylvania
	Unattached	3rd Pennsylvania Cavalry Battalion
Third Division MG Gershom Mott	1st Brigade BG Régis de Trobriand	17th Maine 40th New York 86th New York 110th Pennsylvania 2nd US Sharpshooters
	2nd Brigade BG George W. West	1st Massachusetts Heavy Artillery 5th Michigan 57th Pennsylvania 141st Pennsylvania
	3rd Brigade BG Robert McAllister	7th New Jersey 8th New Jersey 11th New Jersey 120th New York

Division	Brigade	Regiments and Others
First Division Bvt MG Charles Griffin	1st Brigade Bvt BG Horatio G. Sickel	185th New York 198th Pennsylvania
	2nd Brigade Col Allen L. Burr	187th New York Battalion 188th New York Battalion 189th New York
	3rd Brigade Bvt BG Alfred L. Pearson	20th Maine 32nd Massachusetts 1st Michigan 16th Michigan 83rd Pennsylvania, 6 Companies 91st Pennsylvania 118th Pennsylvania 155th Pennsylvania (Zouaves)
Second Division Bvt MG Romeyn B. Ayres	1st Brigade Zouave Brigade Bvt BG Frederick Winthrop	5th New York Veterans 15th New York Heavy Artillery 140th New York 146th New York
	2nd Brigade Col Richard N. Bowerman	1st Maryland 4th Maryland 7th Maryland 8th Maryland
	3rd Brigade Bvt BG James Gwyn	3rd Delaware 4th Delaware 157th Pennsylvania (4 companies) 190th Pennsylvania 191st Pennsylvania 210th Pennsylvania
Third Division Bvt MG Samuel W. Crawford	1st Brigade BG Edward S. Bragg	24th Michigan: Ltc Albert M. Edwards 143rd Pennsylvania 149th Pennsylvania 150th Pennsylvania 6th Wisconsin 7th Wisconsin
	2nd Brigade BG Henry Baxter	16th Maine 39th Massachusetts 97th New York 11th Pennsylvania 88th Pennsylvania
	3rd Brigade Bvt BG Henry A. Morrow (w) Col Thomas F. McCoy	94th New York 95th New York 147th New York 56th Pennsylvania 107th Pennsylvania 121st Pennsylvania 142nd Pennsylvania

Division	Brigade	Regiments and Others
First Division BG Frank Wheaton	1st Brigade [not engaged]
	2nd Brigade Col James Hubbard	2nd Connecticut Heavy Artillery 65th New York 121st New York 95th Pennsylvania (Zouaves)
	3rd Brigade BG Joseph E. Hamblin	37th Massachusetts 5th Wisconsin
Second Division [not engaged]
Third Division [not engaged]

Division	Brigade	Regiments and Others
First Division [not engaged]
Second Division BG David McM. Gregg	1st Brigade BG Henry E. Davies, Jr.	1st Massachusetts 1st New Jersey 10th New York 24th New York 1st Pennsylvania (5 companies)
	2nd Brigade BG John Irvin Gregg (w) Col Michael Kerwin	2nd Pennsylvania 4th Pennsylvania 8th Pennsylvania 13th Pennsylvania 16th Pennsylvania
	3rd Brigade Col Oliver B. Knowles	1st Maine 6th Ohio 12th Ohio 21st Pennsylvania

Abbreviations used