7th New York Cavalry Regiment
The 7th New York Cavalry Regiment, the "Northern Black Horse Cavalry" and more properly designated 1st Regiment New York Mounted Rifles, was a cavalry regiment of the Union Army during the American Civil War. Service. This regiment was organized at Troy, New York to serve three years. November 18, 1861, it was designated by the State authorities as the 2nd Regiment of Cavalry; by the War Department it was designated 7th N. Y. Volunteer Cavalry, under which designation it was mustered out of service, and was, therefore, so recorded. The companies were mustered in the  service of the United States: There were only eight companies organized and these were recruited principally: The regiment left the State November 23, 1861, and served near Washington, D. C., until March 31, 1862, when, not having been mounted, it was honorably discharged and mustered out. Total strength and casualties. During its service it lost by death, of disease, seven enlisted men.