Guillaume married Adelaide Chamaillard on 30 Jun 1835 in Montreal (Basilique Notre Dame), Quebec, Canada. Adelaide (daughter of Pierre Chamaillard and Marie Josephe Thomas) was born on 26 Nov 1809 in Pointe Claire (St. Joachim), Quebec, Canada; was christened on 26 Nov 1809 in Pointe Claire (St. Joachim), Quebec, Canada; and died. [Group Sheet] [Family Chart]

1. Charles Guillaume Chouinard was born on 17 Mar 1836 in Montreal (Basilique Notre Dame), Quebec, Canada; was christened on 19 Mar 1836 in Montreal (Basilique Notre Dame), Quebec, Canada; and died.
2. Charles Guillaume Chouinard was born on 26 Nov 1837 in Montreal (Basilique Notre Dame), Quebec, Canada; was christened on 26 Nov 1837 in Montreal (Basilique Notre Dame), Quebec, Canada; died on 6 Nov 1838 in Montreal (Basilique Notre Dame), Quebec, Canada; was buried on 8 Nov 1838 in Montreal (Basilique Notre Dame), Quebec, Canada.
3. Marie Adelaide Philomene Chouinard was born on 15 Feb 1840 in Montreal (Basilique Notre Dame), Quebec, Canada; was christened on 16 Feb 1840 in Montreal (Basilique Notre Dame), Quebec, Canada; and died.