U.S. Army - Army of the Potomac

Dix's Division, Baltimore

Major General John Dix

Infantry

2nd Delaware Infantry Regiment

Colonel W. H. Wharton

from Wilmington 10/7

21st Indiana Infantry Regiment

1st Maryland Eastern Shore Regiment

2nd Maryland Infantry Regiment

2nd Maryland Eastern Shore Regiment

3rd Maryland Infantry Regiment

5th Maryland Infantry Regiment

Patapsco Maryland Guard

17th Massachusetts Infantry Regiment

7th Maine Infantry Regiment

to Smith's Div., Davidson's Bde.

10th Maine Infantry Regiment

from Portland 10/6

6th Michigan Infantry Regiment

3rd New York Infantry Regiment

Colonel Samuel M. Alford

4th New York Infantry Regiment

Colonel Alfred W. Taylor

5th New York Infantry Regiment

1st Pennsylvania Reserves

to McCall's Div., Reynold's Bde.

87th Pennsylvania Infantry Regiment

organized at Yorktown

Artillery

Battery A, Maryland Light Artillery

Battery B, Maryland Light Artillery

Battery I, 2nd United States Artillery

at Fort McHenry, April 1861