Marie-Agnès Gagnon was born on 25 Mar 1771 in Saint-Joachim, Québec, Canada; was christened on 25 Mar 1771 in Saint-Joachim, Québec, Canada; died on 13 Nov 1771 in Saint-Joachim, Québec, Canada; was buried on 14 Nov 1771 in Saint-Joachim, Québec, Canada.