The following is taken from New York in the War of the Rebellion, 3rd ed. Frederick Phisterer. Albany: J. B. Lyon Company, 1912.

This regiment, Lieut.-Col. Felix Confort, was organized in New York city, where it was recruited under authority from the State, dated November 22, 1861; and where, April 18, 1862, six companies, A to G, were mustered in the service of the United States for three years. Company C was originally Company A of the Stevens' Sharpshooters, an organization which failed of completion. In August, 1862, one company, and in March, 1863, two companies, joined those in the field. Company K was transferred in the field to the other companies.

The regiment, six companies only at the time, left the State April 18, 1862; it served in the 4th Corps, Army of the Potomac, at Gloucester and Yorktown from May, 1862; in the 1st Brigade, Peck's Division, 4th Corps, in North Carolina, from December, 1862; in Naglee's Brigade, 1st Division, 18th Corps, from December, 1862; in the 2d, Davis', Brigade, 2d, Naglee's, Division, 18th Corps, in South Carolina, from January 11, 1863; at Beaufort, S. C., from April, 1863; with 10th Corps, at St. Helena, S. C., from May, 1863; on Folly Island, S. C., from July, 1863; on Morris Island, S. C., from August, 1863; part of the 10th Corps, from October, 1863; and, January 30, 1864, commanded by Lieut.-Col. Simon Levy, the enlisted men were transferred to the 1st Engineers, 47th and 48th Infantry, and the regiment discontinued; having lost during its service by death, killed in action, 7 enlisted men; of wounds received in action, 2 enlisted men; of disease and other causes, 52 enlisted men; total, 61; of whom 1 died in the hands of the enemy.