Isham married Mary Ann Kathryne FLINCHUM on 30 Oct 1919 in Oklahoma. Mary (daughter of James Samuel Washington Sr. FLINCHUM and Julia Ann (Twin) TURNBULL) was born on 29 Nov 1892 in Mt. Pleasant, Blue County, Choctaw Nation, Indian Territory; died on 20 Sep 1981 in Sand Springs, Tulsa County, Oklahoma. [Group Sheet] [Family Chart]