On 13 Jun 1879 when Jasper Calvin was 31, he married Ada Ellen Tanner, daughter of John B. Tanner (31 Jul 1815-20 Feb 1902) & Sarah Pugh (16 Dec 1821-6 Jun 1882), in Ravenna, Muskegon County, Michigan. Born on 16 Jul 1860 in Michigan. Ada Ellen died in Chester Township, Ottawa County, Michigan, on 20 Feb 1941; she was 80.