- Company A - Brooklyn
- Company B - Brooklyn
- Company C - Scio, Allegany County
- Company D - Clyde, Wayne County
- Company E "Beecher's Pets" - Brooklyn
- Company F - Brooklyn
- Company G - Brooklyn
- Company H - Rochester
- Company I - Brooklyn
- Company K - Brooklyn
- Mustered in: June 20 and 24, 1861 at Brooklyn
- Mustered out: 7/4/64 at Brooklyn
- Julius W. ADAMS
- Nelson CROSS
Battle-Related
KILLED
Officers 5
Enlisted 68
WOUNDED DIED
Officers 2
Enlisted 37
WOUNDED RECOVERED
Officers 8
Enlisted 259
MISSING
Officers 2
Enlisted 47
TOTAL 428
Died of disease and other causes
Officers 2
Enlisted 66
As POW 9
TOTAL 77
TOTAL CASUALTIES: 505