William married Louisa Bannan on 9 Apr 1902 in Manvers, Ontario, Canada. Louisa (daughter of Thomas Bannan and Mary McKnight) was born on 16 Mar 1879 in Cavan, Ontario, Canada; died on 28 Apr 1938 in Durham Regional Municipality, Ontario, Canada; was buried in Ballyduff Cemetery, Ballyduff, Ontario, Canada. [Group Sheet] [Family Chart]

1. William Murray Clark was born on 13 Apr 1907 in Manvers, Ontario, Canada; died in 1979 in Durham Regional Municipality, Ontario, Canada; was buried in Ballyduff Cemetery, Ballyduff, Ontario, Canada.