Cold Harbor Union order of battle
Division Brigade Regiments and Others
First Division BG Francis C. Barlow 1st Brigade Col Nelson A . Miles 26th Michigan 5th New Hampshire 2nd New York Heavy Artillery 61st New York 81st Pennsylvania 140th Pennsylvania 183rd Pennsylvania
First Division BG Francis C. Barlow 2nd Brigade Col Richard Byrnes ( mw ) Col Patrick Kelly 28th Massachusetts 63rd New York 69th New York 88th New York : Col Patrick Kelly 116th Pennsylvania
First Division BG Francis C. Barlow 3rd Brigade Col Clinton D. MacDougall 39th New York 52nd New York 57th New York 111th New York 125th New York 126th New York
First Division BG Francis C. Barlow 4th Brigade Col John R. Brooke ( w ) Col Orlando H. Morris ( k ) Col Lewis O. Morris ( k ) Col James A. Beaver 2nd Delaware 7th New York Heavy Artillery : Col Lewis O. Morris 64th New York 66th New York : Col Orlando H. Morris 53rd Pennsylvania 145th Pennsylvania 148th Pennsylvania : Col James A. Beaver
Second Division BG John Gibbon 1st Brigade Col H. Boyd McKeen ( k ) Col Frank A. Haskell ( k ) BG Byron R. Pierce 19th Maine 15th Massachusetts 19th Massachusetts 20th Massachusetts 1st Company Massachusetts Sharpshooters 7th Michigan 42nd New York 59th New York 82nd New York ( battalion ) 184th Pennsylvania 36th Wisconsin : Col Frank A. Haskell
Second Division BG John Gibbon 2nd Brigade BG Joshua T. Owen 152nd New York 69th Pennsylvania 71st Pennsylvania 72nd Pennsylvania 106th Pennsylvania
Second Division BG John Gibbon 3rd Brigade Col Thomas A. Smyth 14th Connecticut 1st Delaware 14th Indiana 12th New Jersey 10th New York Battalion 108th New York 4th Ohio 8th Ohio 7th West Virginia
Second Division BG John Gibbon 4th Brigade BG Robert O. Tyler ( w ) Col James P. McIvor 8th New York Heavy Artillery 155th New York 164th New York 170th New York : Col James P. McIvor 182nd New York
Second Division BG John Gibbon Provost Guard 2nd Company Minnesota Sharpshooters
Third Division MG David B. Birney 1st Brigade Col Thomas W. Egan 20th Indiana 3rd Maine 40th New York 86th New York 124th New York 99th Pennsylvania 110th Pennsylvania 141st Pennsylvania 2nd United States Sharpshooters
Third Division MG David B. Birney 2nd Brigade Col Thomas R. Tannatt 4th Maine 17th Maine 1st Massachusetts Heavy Artillery 3rd Michigan 5th Michigan 93rd New York 57th Pennsylvania 63rd Pennsylvania 105th Pennsylvania 1st United States Sharpshooters
Third Division MG David B. Birney 3rd Brigade BG Gershom Mott 1st Maine Heavy Artillery 16th Massachusetts 5th New Jersey 6th New Jersey 7th New Jersey 8th New Jersey 11th New Jersey 115th Pennsylvania
Third Division MG David B. Birney 4th Brigade Col William R. Brewster 11th Massachusetts 70th New York 71st New York 72nd New York ( 3 Companies ) 73rd New York 74th New York 120th New York 84th Pennsylvania
Artillery Brigade Col John C. Tidball Maine Light , 6th Battery ( F ) Massachusetts Light , 10th Battery New Hampshire Light , 1st Battery 1st New Jersey Light , Battery B 1st New York Light , Battery G 4th New York Heavy New York Light , 11th Battery New York Light , 12th Battery 1st Pennsylvania Light , Battery F 1st Rhode Island Light , Battery A 1st Rhode Island Light , Battery B 4th United States , Battery K 5th United States , Batteries C and I
Forces operating against Richmond May 31-June 5 , 1864 -- Army of the Potomac
MG Winfield S. Hancock Escort : 1st Vermont Cavalry , Company M
The following Union Army units and commanders fought in the Battle of Cold Harbor (May 31-June 12, 1864) of the American Civil War. The Confederate order of battle is listed separately. Order of battle compiled from the army organization May 31, 1864, army organization May 26-June 3, 1864, the casualty returns and the reports.