Union Units 1862 Page 3

ARMY OF THE POTOMAC
Major General George B. McClellan

Third Army Corps
Brig. Gen. S.P. Heintzelman

Porter's Division - Brig. Gen. Fitz John Porter

First Brigade - Brig. Gen. John H. Martindale

2d Maine
18th Massachusetts
22d Massachusetts
13th New York
25th New York
2d Company Massachusetts Sharpshooters

Second Brigade - Brig. Gen. George W. Morell

4th Michigan
9th Massachusetts
14th New York
62d Pennsylvania

Third Brigade - Brig. Gen. Daniel Butterfield

16th Michigan
83d Pennsylvania
12th New York
17th New York
44th New York

Artillery - Capt.. Charles Griffin

C, Massachusetts
E, Massachusetts
C, 1st Rhode Island
D, 5th United States

Unattached

1st U.S. Sharpshooters
A, 8th Pennsylvania Cavalry

Hooker's Division - Brig. Gen. Joseph Hooker

First Brigade - Brig. Gen. Cuvier Grover

2d New Hampshire
1st Massachusetts
11th Massachusetts
26th Pennsylvania

Second Brigade - Col. Nelson Taylor

70th New York
71st New york
72d New York
73d New York
74th New York

Third Brigade - Brig. Gen. Samuel H. Starr

5th New Jersey
6th New Jersey
7th New Jersey
8th New Jersey

Artillery - Maj. C.S. Wainwright

D, 1st New York
4th New York Battery
6th New York Battery
H, 1st United States

Hamilton's Division - Brig. Gen. Charles S. Hamilton
Brig. Gen. Philip Kearny

First Brigade - Brig. Gen. C.D. Jameson

57th Pennsylvania
63d Pennsylvania
105th Pennsylvania
87th New York

Second Brigade - Brig. Gen. David B. Birney

3d Maine
4th Maine
38th New York
40th New York

Third Brigade - Brig. Gen. Hiram G. Berry

2d Michigan
3d Michigan
5th Michigan
37th New York

Artillery - Capt.James Thompson

B, 1st New Jersey
E, 1st Rhode Island
G, 2d United States

Cavalry - William W. Averell

3d Pennsylvania

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*** The 4th Corps and reserve will be added at a later date

Source: Official Records of the Union and Confederate Armies, Series 1, Volume 11

Last updated: February 26, 2015

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