Mustered into service September 7, 1861.

Captain Edward Hayes, promoted to [...text missing from original...] signed to staff July 17, 1863.

Captain Rollin L. Jones, promoted from first sergeant to captain January 6, 1865; captured at Port Republic June 9, 1862; wounded at Pine Knob, Georgia, June 9, 1864; mustered out with company.

First Lieutenant Benjamin F. Perry, resigned, by reason of disability, June 20, 1862.

First Lieutenant Frank T. Stewart, promoted and assigned to duty at Alexandria, Virginia, April 3, 1863.

First Lieutenant Almor B. Paine, promoted from private to first lieutenant January 6, 1865; captain January 29, 1865, and assigned to company F (see company F).

Second Lieutenant Henry M. Ryder, promoted from sergeant-major April 10, 1863; died at Georgetown, District of Columbia, September 25, 1863.

Second Lieutenant Charles W. Kellogg, promoted to second lieutenant June 20, 1862; first lieutenant April 3, 1863; to captain October 12, 1864; transferred to company F (see company F).

Second Lieutenant Giles R. Leonard, transferred to non-commissioned staff as quartermaster-sergeant August 8, 1864; promoted first lieutenant May 31, 1865; mustered out with company.

Sergeant George W. Britton, killed at Port Republic, Virginia, June 9, 1862.