Stephen married Mary DePue. Born on 15 Aug 1806 in Romulus, Seneca County, New York. Mary died in Romulus, Seneca County, New York, on 22 May 1897; she was 90. Buried in Mount Green Cemetery, Romulus.
Mary, daugher of Henry and Clementina (Sherburne) DePue.
1880 Federal Census. Romulus, Seneca County, New York
Roll 932, page 149C
Jessee Yerkes, 49, coal & lumber dealer, b. NY, parents b. PA
Elizabeth Yerkes, 50, wife, keeping house, b. NY, parents b. NY
Mary Monroe, 74, mother-in-law, widowed, at home, b. NY, parents b. NY