| Birth* | Jean Gagnon was born circa 1690 at La Visitation de Nôtre-Dame, Château-Richer, Montmorency, Québec, Canada. |
| Christening | He was christened circa 1690 at La Visitation de Nôtre-Dame, Château-Richer, Montmorency, Québec, Canada. |
| Marriage* | He married Geneviève Chamard on 5 November 1715 at St Charles, Charlesbourg, Québec, Québec, Canada. |
| Marriage Contract | A contract for the marriage of Jean Gagnon and Geneviève Chamard was signed on 4 November 1715 at Chambalon, Louis. |
| Death* | Jean Gagnon died on 27 August 1759 at Ste Anne de Beaupré, Montmorency, Québec, Canada. |
| Burial* | He was buried on 27 August 1759 at Ste Anne de Beaupré, Montmorency, Québec, Canada. |
