Il est marié avec Susan Gilbert.
Ils se sont mariés le 10 avril 1906 à Elgin County, Ontario, Canada.Source 2
Name: Wm John Stormont, Birth Place: Marah, Age: 43, Estimated Birth Year: abt 1863, Father Name: Wm Stormont, Mother Name: Annie McDonald; Spouse Name: Susan Gilbert, Spouse's Age: 40, Spouse Birth Year: abt 1866, Spouse Birth Place: Yarmouth Tp, Spouse Father Name: Thomas Gilbert, Spouse Mother Name: Ann Topal [Teeple]; Marriage Date: 10 Apr 1906, Marriage County or District: Elgin;/ online database