- Company A - NYC
- Company B - Jamestown
- Company C - Vermont
- Company D - Dunkirk
- Company E - Dunkirk
- Company F - Newark, NJ
- Company G - Westfield
- Company H - Dunkirk and NYC
- Company I - Delhi
- Company K - NYC
- Company L - NJ, MA, Delhi, Sinclairsville and Plattsburg
- Mustered in: June-Nov., 1861 at Camp Scott, Staten Island
- Mustered out: June 19 and 20, 1864 before Petersburg (Companies G, C and H were mustered out July 2 and 20 and October 31, 1864, respectively.)
- Nelson TAYLOR
- William O. STEVENS
- John S. AUSTIN
Battle-Related
KILLED
Officers 7
Enlisted 111
WOUNDED DIED
Officers 5
Enlisted 51
WOUNDED RECOVERED
Officers 28
Enlisted 326
MISSING
Officers 1
Enlisted 146
TOTAL 675
Died of disease and other causes
Officers 1
Enlisted 85
As POW 10
TOTAL 96
TOTAL CASUALTIES: 771