United States Army > Army of the Potomac


September 1861 • to October >

Commanded by Brigadier General Fitz John Porter

Porter’s Division was created August 30, 1861.

First Brigade Brig. Gen. G. W. Morrell
9th Massachusetts Infantry Regiment Colonel Thomas Cass from Sherman’s Brig., Div. Potomac
4th Michigan Infantry Regiment Colonel Dwight A. Woodbury
14th New York Infantry Regiment Colonel James McQuade
Second Brigade Brig. Gen. J. H. Martindale
2nd Maine Infantry Regiment Colonel Charles D. Jameson (to 9/3)
Colonel Charles W. Roberts
from Fort Corcoran
18th Massachusetts Infantry Regiment Colonel James Barnes from Fort Corcoran
13th New York Infantry Regiment Colonel John Pickell from Fort Corcoran
41st New York Infantry Regiment Colonel Leopold Von Gilsa from Sherman’s Brig., Div. Potomac
Third Brigade Brig. Gen. D. Butterfield
16th Michigan Infantry Regiment Colonel Thomas Stockton from Detroit 9/16
17th New York Infantry Regiment Colonel H. Seymour Lansing from Fort Ellsworth
25th New York Infantry Regiment Colonel James E. Kerrigan from Hunter’s Brig., Div. Potomac
Artillery
Battery E, 2nd United States Artillery from Div. Potomac
Battery E, 3rd United States Artillery from Sherman’s Brig., Div. Potomac
to Sherman’s SC Expedition 10/21
Cavalry
3rd Pennsylvania Cavalry Regiment Col. William Young  from Philadelphia in August