U.S. Army - Army of the Potomac

McDowell's Division

Bde. Gen. Irwin McDowell

First Brigade

Bde. Gen. C. C. Augur

22nd New York Infantry Regiment

Colonel Walter Phelps

24th New York Infantry Regiment

Colonel Timothy Sullivan

30th New York Infantry Regiment

14th New York State Militia

Second Brigade

Bde. Gen. J. S. Wadsworth

12th New York Infantry Regiment

Lt. Colonel Robert M. Richardson

21st New York Infantry Regiment

Colonel William F. Rogers

23rd New York Infantry Regiment

Colonel Henry C. Hoffman

35th New York Infantry Regiment

80th New York Infantry Regiment

Third Brigade

Bde. Gen. Rufus King

2nd Wisconsin Infantry Regiment

6th Wisconsin Infantry Regiment

7th Wisconsin Infantry Regiment

19th Indiana Infantry Regiment

Artillery and Cavalry

Battery G, 1st United States Artillery

Battery M, 2nd United States Artillery

2nd New York Cavalry Regiment