Note: This is not my ancestry. I am just passing along information that may be useful.
CALKIN, IVERS S.
Rank and organization: First Sergeant, Company M., 2d New York Cavalry. Place and date: At Sailors Creek, Va., 6 April 1865. Entered service at: Willsborough, N.Y. Birth: Essex County, N.Y. Date of issue: 3 May 1865. Citation: Capture of flag of 18th Virginia Infantry (C.S.A.).