The following Union Army units and commanders fought in the Battle of Chaffin's Farm of the American Civil War. The Confederate order of battle is shown separately.

Abbreviations used Military rank MG = Major General BG = Brigadier General Col = Colonel Ltc = Lieutenant Colonel Maj = Major

Other w = wounded k = killed

Army of the James

MG Benjamin F. Butler

Chief of Engineers: Brevet MG Godfrey WeitzelWeitzel served as Butler's Chief Engineer until September 30, when he was placed in command of the XVIII Corps

X Corps

MG David B. Birney

Division Brigade Regiments and OthersFirst Division

BG Alfred H. Terry 1st Brigade

Col Francis B. Pond (w)   Col Thomas Mulcahy   Ltc Alvin C. Voris 39th Illinois 62nd Ohio 67th Ohio: Ltc Alvin C. Voris 85th Pennsylvania 2nd Brigade

Col Joseph C. Abbott 6th Connecticut 7th Connecticut 3rd New Hampshire 7th New Hampshire 16th New York Heavy Artillery 3rd Brigade

Col Harris M. Plaisted 10th Connecticut 11th Maine 1st Maryland Cavalry 27th Massachusetts 100th New YorkSecond Division

BG Robert Sanford Foster 1st Brigade

Col Rufus Daggett (w)   Ltc Albert M. Barney 3rd New York 112th New York 117th New York 142nd New York: Ltc Albert M. Barney 2nd Brigade

Col Galusha Pennypacker 47th New York 48th New York 76th Pennsylvania 97th Pennsylvania 203rd Pennsylvania 3rd Brigade

Col Louis Bell 13th Indiana 9th Maine 4th New Hampshire 115th New York 169th New YorkThird Division

(incomplete) 1st Brigade

BG William Birney 29th Connecticut (Colored) 7th U.S. Colored Troops: Col James Shaw 8th U.S. Colored Troops: Maj George Wagner 9th U.S. Colored Troops: Cpt Edward Babcock 45th U.S. Colored TroopsArtillery Artillery Brigade

Col Richard H. Jackson 1st Battery, Connecticut Light Artillery 4th Battery, New Jersey Light Artillery 5th Battery, New Jersey Light Artillery 1st Pennsylvania Light Artillery, Battery E 3rd Rhode Island Heavy Artillery, Battery C 1st U.S. Artillery, Batteries C and D 1st U.S. Artillery, Battery M 3rd U.S. Artillery, Battery E 4th U.S. Artillery, Battery D

XVIII Corps

MG Edward O. C. Ord (w) September 29 BG Charles A. Heckman Brevet MG Godfrey WeitzelOfficial Records Volume XLII, part II, page 1146 Weitzel was assigned to command on 30 Sept 1864 by Butler's field order No. 116.

Division Brigade Regiments and OthersFirst Division

BG George J. Stannard (w)     Colonel Edgar M. CullenTemporarily on September 30 (Sommers p.142)     Colonel James JourdanSommers p.575 1st Brigade

Col Aaron Fletcher Stevens (w)   Ltc Thomas Mulcahy temp Sept 29   Ltc John B. Raulston 13th New Hampshire: Ltc Jacob J. Storer 81st New York: Ltc John B. Raulston 98th New York: Ltc William Kreutzer 139th New York: Ltc Thomas Mulcahy 2nd Brigade

BG Hiram Burnham (k)   Col Michael Donohoe (w)   Ltc Stephen Moffitt temp 29 Sept   Col Edgar M. Cullen 8th Connecticut: Ltc Martin B. Smith 10th New Hampshire: Col Michael Donohoe 96th New York: Col Edgar M. Cullen, Ltc Stephen Moffitt 118th New York: Col George F. Nichols 3rd Brigade

Col Samuel H. Roberts (w)   Ltc Stephen H. Moffitt 21st Connecticut: Capt James F. Brown 92nd New York 58th Pennsylvania 188th Pennsylvania: Maj Francis H. ReichardSecond Division

BG Charles A. Heckman     Col Harrison S. FairchildFairchild temporarily commanded the 2nd Division in conjunction with his own 3rd Brigade when Heckman commanded the corps (Eicher p. 230) though Colonel James Anderson may have assumed brigade command until his death (Sommers p. 575). Some reports say Colonel James Jourdan was in temporary command of the division by order of General Heckman (Sommers p.575)     BG Charles A. Heckman 1st Brigade

Col James Jourdan   Col George M. Guion 148th New York: Col George M. Guion 158th New York: Col James Jourdan 55th Pennsylvania 2nd Brigade

Col Edward H. Ripley 8th Maine 9th Vermont 3rd Brigade

Col Harrison S. Fairchild 89th New York: Maj Wellington M. Lewis 2nd Pennsylvania Heavy Artillery: Col James L. Anderson (k)Third DivisionTemporarily attached to X Corps during the fighting at New Market Heights on September 29.

BG Charles J. Paine 1st Brigade

Col John Henry Holman 1st U.S.C.T. 22nd U.S.C.T. 37th U.S.C.T. 2nd Brigade

Col Alonzo G. Draper 5th U.S.C.T. 36th U.S.C.T. 38th U.S.C.T. 3rd Brigade

Col Samuel A. Duncan (w)   Col John W. Ames 4th U.S.C.T. 6th U.S.C.T. Unattached U.S. SharpshootersArtillery Artillery Brigade

Maj George B. Cook 2nd New York Light Artillery, Battery H 3rd New York Light Artillery, Battery E 3rd New York Light Artillery, Battery K 3rd New York Light Artillery, Battery M 7th Battery, New York Light Artillery 16th Battery, New York Light Artillery 17th Battery, New York Light Artillery 1st Pennsylvania Light Artillery, Battery A 1st Rhode Island Light Artillery, Battery F 1st U.S. Artillery, Battery B 4th U.S. Artillery, Battery L 5th U.S. Artillery, Battery A 5th U.S. Artillery, Battery F Bermuda Hundred Provisional Brigade

Col Joseph H. Potter 11th Connecticut Infantry 40th Massachusetts Infantry 12th New Hampshire Infantry 206th Pennsylvania Infantry 207th Pennsylvania Infantry 208th Pennsylvania Infantry 209th Pennsylvania Infantry 211th Pennsylvania Infantry

Cavalry Division Brigade Regiments and OthersCavalry Division

BG August V. Kautz 1st Brigade

Col Robert M. West 2nd New York Cavalry 5th Pennsylvania Cavalry 2nd Brigade

Col Samuel P. Spear 1st D.C. Cavalry 11th Pennsylvania Cavalry Artillery 4th Battery, Wisconsin Light Artillery

Notes

Sources Composition is taken from the Official Records Eicher, John H., and Eicher, David J., Civil War High Commands, Stanford University Press, 2001, .