United States Army >Army of the Potomac > 12th Corps

September 1862 • to October >

Commanded by Brigadier General George Greene 

Transferred from the Army of Virginia’s Second Division, 2nd Corps, September 12, 1862

First Brigade Colonel Charles Candy (to 9/17)
Lt. Colonel Hector Tyndale (w 9/17)
Major O. J. Crane (to 9/18)
Colonel Charles Candy
5th Ohio Infantry Regiment Major John Collins
7th Ohio Infantry Regiment Major Orrin J. Crane (^ 9/17)
Captain Frederick A. Seymour
29th Ohio Infantry Regiment Lieutenant Theron S. Winship
66th Ohio Infantry Regiment Lt. Colonel Eugene Powell (w 9/17)
28th Pennsylvania Infantry Regiment Major Ario Pardee, Jr.
Second Brigade Colonel T.B. Van Buren (to 9/15)
Colonel H. J. Stainrook (to 9/17)
Lt. Colonel James C. Lane
3rd Maryland Infantry Regiment Lt. Colonel Joseph M. Sudsburg
102nd New York Infantry Regiment Lt. Colonel James C. Lane (^ 9/17)
109th Pensylvania Infantry Regiment Captain George E. Seymour
111th Pensylvania Infantry Regiment Major Thomas M. Walker (w 9/17)
8th & 12th United States Infantry  to Army HQ 9/17
Third Brigade Colonel William B. Goodrich (k 9/17)
Lt. Colonel Jonathan Austn 
3rd Delaware Infantry Regiment Major Arthur McGinnins (w 9/17)
Captain William J. McKaig
1st District of Columbia Infantry Colonel James A. Tait not present due to sickness and desertion
Purnell Legion (Maryland) Infantry Lt. Colonel Benjamin L. Simpson
60th New York Infantry Regiment Lt. Colonel Charles R. Brundage
78th New York Infantry Regiment Lt. Colonel Jonathan Austin (^ 9/17)
Captain Henry R. Stagg
6th Maine Independent Battery Captain Freeman McGilvery from 3 Corps 1 Div.
Pennsylvania Independent Battery E Captain Joseph M. Knap from Army Virginia 2 Corps 1 Div 
Pennsylvania Independent Battery F Captain Robert B. Hampton from Army Virginia 2 Corps 2 Div