This regiment, Col. Henry C. Hoffman, was accepted and numbered by the State May 16, 1861, organized at Elmira, and there mustered in the United States service for two years July 2, 1861. The three years' men of the regiment, a few in Company B, were transferred to the 80th N. Y. Volunteers, May 29, 1863.
The companies were recruited principally: A at Bath; B at Cuba; C at Owego; D at Corning; E at Waverly; F and K at Elmira; G at Hornellsville; H at Cortland; and I at Watkins; the men being from, the counties of Allegany, Chemung, Cortland, Schuyler, Steuben, Tioga and Tompkins.
The regiment left the State July 5, 1861; served at and near Washington, D. C., from July 7, 1861; in Hunter's, then Sedgwick's, then Keyes', Brigade, Division of Potomac, from August 4, 1861; in Wadsworth's Brigade, McDowell's Division, Army of the Potomac, from October 15, 1861; in 2d, Patrick's, Brigade, 3d, King's, Division, 1st Corps, Army of the Potomac, from March 13, 1862; in 2d Brigade, King's Division, Department of Rappahannock, from May, 1862; in 3d Brigade, 1st Division, 3d Corps, Army of Virginia, from June 26, 1862; in the same brigade and division, 1st Corps, Army of the Potomac, from September 12, 1862; in Patrick's Provost Guard Brigade, Army of the Potomac, from January, 1863; at Aquia Creek, Va., from April 29, 1863, and was honorably discharged and mustered out, under Colonel Hoffman, May 22, 1863, at Elmira.
During its service the regiment lost by death, killed in action, 10 enlisted men; of wounds received in action, 7 enlisted men; of disease and other causes, 2 officers, 53 enlisted men; total, 2 officers, 70 enlisted men; aggregate, 72; of whom 5 enlisted men died in the hands of the enemy.