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, then located in New York city, now not in existence, was ordered to Harrisburg, Pa., June 18, 1863, for a service of thirty days; commanded by Col. Frederick A. Conkling, it (eight companies) left the State July 3, 1863; served in the defenses of Baltimore, Md., in the Middle Department, 8th Corps, and was mustered out of th.e United States service August 4, 1863 at New York city.

It was again mustered in the United States service July 12, 1864, but for a period of 100 days; it (ten companies) served under the command of Colonel Conkling, at and near Washington, D. C, Great Falls, Md., and Winchester, Va., and was mustered out October 29, 1864, at New York city.

In its service in 1864 the regiment lost by death, of disease, etc., one officer and eleven enlisted men; total, twelve; and portions of it took part in a skirmish with guerrillas, September 24, 1864, at Potomac river near Muddy Branch, Md.