< to April • May 1861 • to June >
Commanded by
Brigadier General Benjamin F. Butler (until May 15)
Major General George Cadwalader
| Infantry | ||
| 6th Massachusetts Infantry Regiment | Coloenel Edward F. Jones | |
| 6th New York Militia Regiment | Colonel Joseph Pinckney | |
| 13th New York State Militia | Colonel Abel Smith | |
| 20th New York State Militia | Colonel George W. Pratt | |
| 69th New York State Militia | Colonel Michael Corcoran | to Dept. Washington 5/2 |
| 1st Pennsylvania Infantry Regiment | Colonel Samuel Yohe | from York 5/14 |
| 12th Pennsylvania Infantry Regiment | Colonel David Campbell | from York 5/25 |
| 18th Pennsylvania Infantry Regiment | Colonel William D. Lewis, Jr. | from Philadelphia 5/14 |
| 19th Pennsylvania Infantry Regiment | Colonel Peter Lyle | from Philadelphia 5/10 |
| 22nd Pennsylvania Infantry Regiment | Colonel Turner G. Morehead | from Philadelphia 5/17 |
| Artillery | ||
| Varian’s New York Battery | Captain J. Varian | |
| Cook’s Boston, Ma. Battery | ||
| 2nd United States Artillery, Battery I |