Joseph Gagnon was born on 15 May 1684 in Château-Richer, Québec, New France; was christened on 16 May 1684 in Château-Richer, Québec, New France; died on 6 Aug 1684 in Château-Richer, Québec, New France; was buried on 7 Aug 1684 in Château-Richer, Québec, New France.