United States Army > Army of the Potomac


< to September • October 1862 • to November >

Commanded by:
Brigadier General Alpheus Williams (to October 20)
Major General Henry W. Slocum

First Division

Brigadier General George Gordon (to 10/20)
Brigadier General Alpheus S. Williams

First Brigade

Colonel J. F. Knipe
5th Connecticut Infantry Regiment Captain Henry W. Daboll
10th Maine Infantry Regiment
28th New York Infantry Regiment Captain William H. H. Mapes (to 10/6)
Colonel Edwin F Brown
46th Pennsylvania Infantry Regiment Lieutenant Colonel J.L. Selfridge
124th Pennsylvania Infantry Regiment Major Isaac L. Haldeman to 2 Brig. (below)
125th Pennsylvania Infantry Regiment Colonel Jacob Higgins to 2 Brig. (below)
128th Pennsylvania Infantry Regiment Major Joel B. Wanner

Second Brigade

Colonel George L. Andrews (10/3 – 10/6)
Brig. Gen. Thomas L. Kane
organized 10/20
20th Connecticut Infantry Regiment Colonel Samuel Ross
3rd Maryland Infantry Regiment Lieutenant Colonel Joseph Sudsburg (Col. 10/24) from 2 Div., 2 Brig. (below)
123rd New York Infantry Regiment Colonel Archibad L. McDougall from New York 9/5
127th New York Infantry Regiment Colonel William Gurney from Def. Washington, Abercrombie’s Div.; to 4 Brig. (below)
137th New York Infantry Regiment Colonel David Ireland from New York 9/27, to 4 Brig. (below)
138th New York Infantry Regiment Colonel Joseph Welling from New York 9/27, to 4 Brig. (below)
140th New York Infantry Regiment Colonel Patrick O’Rorke from Defences of Washington;
to 2 Div., 2 Brig. (below)
145th New York Infantry Regiment Colonel Edward L. Price from New York 9/30; to 2 Div., 2 Brig. (below)
149th New York Infantry Regiment Colonel Henry A. Barnum from Defences Washington, Casey’s Div. 9/26; to 4th Brig. (below)
124th Pennsylvania Infantry Regiment Colonel Joseph W. Hawley from 1 Brig. (above)
125th Pennsylvania Infantry Regiment Colonel Jacob Higgins from 1 Brig. (above)

Third Brigade

Colonel Thomas H. Ruger (to 10/20)
Brig. Gen. George H. Gordon
27th Indiana Infantry Regiment Colonel Silas Colgrove
2nd Massachusetts Infantry Regiment Colonel George L. Andrews
13th New Jersey Infantry Regiment Colonel Ezra A. Carman
107th New York Infantry Regiment Colonel Robert Van Valkenburgh (dis. 10/9)
Colonel Alexander S. Diven
29th Pennsylvania Infantry Regiment Captain Samuel M. Zulich
3rd Wisconsin Infantry Regiment Captain Thomas H. Ruger

Fourth Brigade

 Colonel George L. Andrews  organized 10/6, dissolved 10/26
127th New York Infantry Regiment Colonel William Gurney from 2 Brig. (above); to Def. Washington, Abercrobie’s Div., 3 Brig.
137th New York Infantry Regiment Colonel David Ireland from 2 Brig. (above)to 2 Div. 3 Brig. (below)
138th New York Infantry Regiment Colonel Joseph Welling from 2 Brig. (above); to Def. Washington, Haskin’s Div., 2 Brig.
149th New York Infantry Regiment Colonel Henry A. Barnum from 2 Brig. (above); to 2 Div., 3 Brig. (below)

Division Artillery

1st New York Artillery, Battery K from 1 Div. (above)
1st New York Artillery, Battery M Captain George W. Cothran
4th United States Artillery, Battery F Lieutenant Edward D. Muhlenberg

Second Division

Brigadier General George S. Greene (to 10/15)
Brigadier General John W. Geary

First Brigade

Colonel Charles Candy (to 10/26)
Colonel Thomas H. Ruger
5th Ohio Infantry Regiment Major John Collins
7th Ohio Infantry Regiment Captain Frederick A. Seymour
29th Ohio Infantry Regiment Lieutenant Theron S. Winship
66th Ohio Infantry Regiment
28th Pennsylvania Infantry Regiment
147th Pennsylvania Infantry Regiment Lieutenant Colonel Ario Pardee, Jr. organized 10/10 at Loudon Heights

Second Brigade

Lieutenant Colonel James C. Lane (to 10/28)
Brigadier General Nathaniel J. Jackson
3rd Delaware Infantry Regiment from 3 Brig. (below)
3rd Maryland Infantry Regiment Lieutenant Colonel Joseph M. Sudsburg to 1 Div. 2 Brig. (above)
Purnell Legion (Maryland) Infantry Lieutenant Colonel Benjamin L. Simpson from 3 Brig. (below)
60th New York Infantry Regiment Lieutenant Colonel Charles R. Brundage from 3 Brig. (below)
102nd New York Infantry Regiment Lieutenant Colonel James C. Lane (after 10/28) to 3 Brig. (below)
140th New York Infantry Regiment Colonel Patrick H. O’Rourke from 1 Div. 2 Brig. (above)
145th New York Infantry Regiment Colonel Edward L. Price from 1 Div. 2 Brig. (above)
109th Pensylvania Infantry Regiment Captain George E. Seymour to 3 Brig. (below)
111th Pensylvania Infantry Regiment to 3 Brig. (below)

Third Brigade

Lieutenant Colonel Jonathan Austin (to 10/15)
Brigadier General George S. Greene
3rd Delaware Infantry Regiment to 2 Brig. (above)
Purnell Legion (Maryland) Infantry Lieutenant Colonel Benjamin L. Simpson to 2 Brig. (above)
60th New York Infantry Regiment Lieutenant Colonel Charles R. Brundage to 2 Brig. (above)
78th New York Infantry Regiment Captain Henry R. Stagg (to 10/15)
Lieutenant Colonel Jonathan Austin
102nd New York Infantry Regiment Lieutenant Colonel James C. Lane from 2 Brig. (above)
137th New York Infantry Regiment from 1 Div. 4 Brig. (above)
149th New York Infantry Regiment from 1 Div. 4 Brig. (above)
109th Pensylvania Infantry Regiment Captain George E. Seymour from 2 Brig. (above)
111th Pensylvania Infantry Regiment from 2 Brig. (above)

Division Artillery

6th Maine Independent Battery Captain Freeman McGilvery
Pennsylvania Independent Battery E Captain Joseph M. Knap
Pennsylvania Independent Battery F Captain Robert B. Hampton