| Birth* | Guillaume Couture was born on 11 October 1662 at Nôtre-Dame, Québec, Québec, Canada. |
| He was the son of Guillaume Couture and Anne Emard. |
| Christening | Guillaume Couture was christened on 12 October 1662 at Nôtre-Dame, Québec, Québec, Canada. |
| Marriage* | He married Marie-Madeleine Côté, daughter of Martin Côté and Suzanne Pagé, on 7 February 1691 at St Pierre-IO, Montmorency, Québec, Canada. |
| Engagement | Guillaume Couture and Marie-Madeleine Côté were engaged. |
| Marriage Contract | A contract for the marriage of Guillaume Couture and Marie-Madeleine Côté was signed on 7 February 1691 at Ile d'Orléans, Montmorency, Québec, Canada; Notary: Etienne Jacob. |
| Death* | Guillaume Couture died after 9 March 1730 at St Laurent-IO, Montmorency, Québec, Canada; Died after birth of last known child by third wife Marie-Anne Adam: Francois, 09 Mar 1730. |
| Burial* | He was buried after 9 March 1730 at St Laurent-IO, Montmorency, Québec, Canada. |
