This regiment was organized at Elmira to serve three years; it received its numerical designation October 16, 1861. Eight companies, commanded by Col. Guilford D. Bailey, left the State October 31, 1861, Companies I, K, L and M November 21, 1861. At the expiration of its term of service, those entitled thereto were discharged, and the regiment continued in service. Its service was as light artillery and by batteries in the Armies of the Potomac, Virginia, the Cumberland and Georgia. The field and staff were mustered in the service of the United States at Elmira, October 17, 1861, and honorably discharged and mustered out under Col. Charles S. Wainwright at Elmira, June 21, 1865.