William married Anne Ellen MISKIMAN on 23 Jul 1902 in Sault Ste. Marie, Algoma, Ontario, Canada. Anne (daughter of John Alexander MISKIMAN and Isabella SCOTT) was born on 09 Jan 1874 in Petawawa Twp., Renfrew, Ontario, Canada; died in Sep 1951 in Kincardine, Bruce, Ontario, Canada. [Group Sheet] [Family Chart]

1. William John DAGG was born on 09 Apr 1903 in Sault Ste. Marie, Algoma, Ontario, Canada; died in 1975 in , , Ontario, Canada.
2. Nina Ann DAGG was born on 05 Apr 1905 in Sault Ste. Marie, Algoma, Ontario, Canada; died on 12 Feb 2002 in Kincardine, Bruce, Ontario, Canada; was buried in Kincardine, Bruce, Ontario, Canada.