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United States Army > Army of the Potomac < 3rd Corps

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< to February • March 1862 • to April >

Commanded by Brigadier General Fitz John Porter

Porter’s Division became the 1st Division of the 3rd Corps on March 3, 1862. Its 1st and 2nd Brigades were swapped in the process.

First Brigade	Brigadier General J. H. Martindale
2nd Maine Infantry Regiment	Colonel Charles W. Roberts
18th Massachusetts Infantry Regiment	Colonel James Barnes
22nd Massachusetts Infantry Regiment	Colonel Jesse A. Grove
13th New York Infantry Regiment	Colonel John Pickell (res. 3/31)
25th New York Infantry Regiment	Colonel Charles A. Johnson
Second Brigade	Brigadier General G. W. Morrell
9th Massachusetts Infantry Regiment	Colonel Thomas Cass
4th Michigan Infantry Regiment	Colonel Dwight A. Woodbury
14th New York Infantry Regiment	Colonel James McQuade
62nd Pennsylvania Infantry Regiment	Colonel Samuel W. Black
Third Brigade	Brigadier General D. Butterfield
16th Michigan Infantry Regiment	Colonel Thomas Stockton
12th New York Infantry Regiment	Colonel Henry A. Weeks	from Wadsworth’s Brig. McDowell’s Div. 3/13
17th New York Infantry Regiment	Colonel H. Seymour Lansing
25th New York Infantry Regiment	Colonel James E. Kerrigan
44th New York Infantry Regiment	Colonel Stephen W. Stryker
83rd Pennsylvania Infantry Regiment	Colonel John W. McLane
Sharpshooters
1st United States Sharpshooters	Colonel Hiram Berdan
Artillery
3rd Massachusetts Battery
5th Massachusetts Battery