Marie-Louise Gagnon was born on 21 Nov 1773 in Saint-Joachim, Québec, Canada; was christened on 21 Nov 1773 in Saint-Joachim, Québec, Canada; died on 7 Oct 1777 in Saint-Joachim, Québec, Canada; was buried on 8 Oct 1777 in Saint-Joachim, Québec, Canada.