Karl Mathis was born in 1907 in Rock Island, Rock Island, Illinois, USA.
Karl married Wyoma Esther Johns on 21 May 1928 in Hardin, Big Horn, Montana, USA. Wyoma (daughter of John Johns and Rachel Evans) was born on 28 Dec 1908 in Sheridan, Sheridan, Wyoming, USA; died on 12 Jun 1996 in Sheridan, Sheridan County, Wyoming, USA; was buried in Sheridan, Sheridan County, Wyoming, USA. [Group Sheet] [Family Chart]