| Birth* | Jean Gonthier was born on 3 May 1713 at St Etienne, Beaumont, Bellechasse, Québec, Canada. |
| He was the son of Jean-Baptiste Gonthier and Geneviève Roy. |
| Christening | Jean Gonthier was christened on 21 May 1713 at St Etienne, Beaumont, Bellechasse, Québec, Canada. |
| Marriage* | He married Marie-Joseph Cassé, daughter of Antoine Cassé and Marie-Francoise Bourget, on 13 November 1736 at St Etienne, Beaumont, Bellechasse, Québec, Canada. |
| Marriage License | Jean Gonthier and Marie-Joseph Cassé obtained a marriage license. |
| Engagement | Jean Gonthier and Marie-Joseph Cassé were engaged. |
| Death* | Jean Gonthier died at Québec, Canada. |
| Burial* | He was buried at Québec, Canada. |
