- Company A - Pittsburg, PA
- Company B "U.S. Zouave Cadets" - Pittsburg, PA and NYC
- Company C - Long Island
- Company D - Cambridgeport, MA
- Company E - NYC
- Company F - Tidioute, PA
- Company G - NYC
- Company H - NYC
- Company I - NYC
- Company K - NYC
- Mustered in: June 30-Oct. 6, 1861 at Camp Scott, L.I.
- Mustered out: June 19-Aug. 3, 1864 before Petersburg, VA
- Charles K. GRAHAM
- Thomas HOLT (not mustered)
Battle-Related
KILLED
Officers 6
Enlisted 82
WOUNDED DIED
Officers 3
Enlisted 33
WOUNDED RECOVERED
Officers 24
Enlisted 277
MISSING
Officers 1
Enlisted 99
TOTAL 525
Died of disease and other causes
Officers 2
Enlisted 58
As POW 10
TOTAL 70
TOTAL CASUALTIES: 595