Joseph married Marie Yvette Aurore St. Onge on 26 Jul 1926 in Detroit, Wayne, Michigan, United States. Marie (daughter of Aldege Joseph St. Onge and Azilda Raymond) was born on 6 Jul 1909 in Sarsfield, Russell, Ontario, Canada; was christened on 9 Jul 1909 in Sarsfield, Russell, Ontario, Canada; died on 21 Jan 1991 in Prescott, Yavapai, Arizona, United States. [Group Sheet] [Family Chart]

1. Mercier was born on 14 Feb 1929 in Detroit, Wayne, Michigan, United States; died on 14 Feb 1929 in Detroit, Wayne, Michigan, United States.
2. Mercier was born on 5 Dec 1929 in Detroit, Wayne, Michigan, United States; died on 13 Dec 1929 in Detroit, Wayne, Michigan, United States.