Department of Washington
Inspector General & Colonel J K F Mansfield, United States Army
Independent companies
Major D Hunter, Paymaster, United States Army
- Washington Clay Guards Battalion Infantry & Frontier Guards
District of Columbia Militia
Colonel C P Stone, Fourteenth United States Infantry & Inspector General, District of Columbia Militia
- President's Mounted Guards; First, Second, Third, Fourth, Fifth, Sixth, Seventh & Eighth District of Columbia Militia Battalion Infantry
Three Months' Volunteers
- First Maine Infantry; First New Hampshire Infantry; Third Massachusetts Battalion Rifles, Company D; Sixth Massachusetts Infantry; Fifth, Seventh, & Eighth New York State Militia Infantry; Jackson Horse Guards, 1st New York State Militia Cavalry, Company A; Seventeenth (First Pennsylvania Artillery) & Twenty-fifth Pennsylvania Infantry; First Rhode Island Detached Militia Light Artillery (Providence Marine Corps Artillery)
Volunteers
- Sixth Maine Infantry; Seventh & Ninth Massachusetts Infantry; Twenty-sixth Pennsylvania Infantry; Sixth, Seventh, Eighth, Ninth & Tenth Pennsylvania Reserve Infantry; Ninth New York State Militia (Eighty-third New York Infantry) & Ninth New York State Militia, Company K (Sixth New York Independent Light Artillery); Fourteenth, Nineteenth (Third New York Light Artillery), Twenty-second, Twenty-third, Twenty-fourth, Twenty-eighth, Thirtieth, Thirty-third, Thirty-fourth, Thirty-fifth, Thirty-sixth, Forty-second New York Infantry, & First New York Cavalry, Company C
United States Army
- United States Corps Engineers, Company A; First United States Infantry, Companies I & D; Second United States Artillery, Companies H & K; Fourth United States Artillery, Light Company F; Second United States Dragoons, Company I; Second United States Cavalry, Companies D & H
Orders of Battle
The above painting, 'New York's Bravest', is by Don Troiani, modern America's finest historical artist.