| Birth* | Marie-Gabrielle Gagné was born on 11 August 1714 at St Ignace, Cap St Ignace, Montmagny, Québec, Canada. |
| Christening | She was christened on 12 August 1714 at St Ignace, Cap St Ignace, Montmagny, Québec, Canada. |
| Marriage* | She married Pierre Blanchette, son of Jean Blanchette and Marie-Geneviève Gagné, on 20 June 1740 at Nôtre-Dame de Bonsecours, L'Islet, Québec, Canada. |
| Death* | Marie-Gabrielle Gagné died after 20 August 1756 at St Pierre, La Rivière du Sud, Montmagny, Québec, Canada. |
| Married Name | Her married name was Blanchette. |
