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Commanded by Brigadier General Rufus King

Formerly known as McDowell’s Division. On March 3, 1862 General McDowell was given command of the newly created 1st Corps. The division was assigned to the corps as the 3rd Division under the command of its senior brigadier general, Rufus King.

First Brigade Brigadier General Christopher C. Augur
22nd New York Infantry Regiment Colonel Walter Phelps
24th New York Infantry Regiment Colonel Timothy Sullivan
30th New York Infantry Regiment Colonel Edward Frisby
14th New York State Militia Colonel Alfred M. Wood
Second Brigade Brigadier General J. S. Wadsworth (to 3/17)
Brigadier General Marsena Patrick
12th New York Infantry Regiment Colonel Henry Weeks  to 3 Brig., 1 Div., 3rd Corps 3/13
21st New York Infantry Regiment Colonel William F. Rogers
23rd New York Infantry Regiment Colonel Henry C. Hoffman
35th New York Infantry Regiment Colonel Newton B. Lord
80th New York Infantry Regiment Colonel George W. Pratt
Third Brigade Colonel Lysander Cutler
2nd Wisconsin Infantry Regiment Colonel Edgar O’Connor
6th Wisconsin Infantry Regiment
7th Wisconsin Infantry Regiment Colonel William W. Robinson
19th Indiana Infantry Regiment Colonel Solomon Meredith
Artillery and Cavalry
1st New Hampshire Artillery, Battery D
4th United States Artillery, Battery B
2nd New York Cavalry Regiment Colonel Judson Kilpatrick