- Born: 18 Nov 1819, Sandwich, Ontario
- Marriage: Odile CHARETTE on 9 Jan 1849 in St John the Baptist, Amherstburg
- Died: 25 Apr 1904, Sandwich, Ontario at age 84
- Buried: 25 Apr 1904, St Joseph's River Carnard Cemetery
Another name for Pierre was George GIGNAC.
Noted events in his life were:
• Alt. Birth: Different year, 18 Nov 1810, Assumption Sandwhich, Ontario. Typed copy of the obituary of Pierre Gignac, puts the year 1810 as the year of birth. Dennisen's "French Families" reports the marriage of his parents in the year 1817, and a son, Pierre b 18 Nov 1819.
Pierre married Odile CHARETTE, daughter of Michel CHARETTE and Rosalie LANOUE, on 9 Jan 1849 in St John the Baptist, Amherstburg. (Odile CHARETTE was born on 4 Sep 1829 in Napierville, Quebec, died on 30 Dec 1908 in London, ONT and was buried on 30 Dec 1908.)