| Birth* | Guillaume Couture was born circa 1607 at St Godard, Rouen, Normandie, France. |
| Christening | He was christened circa 1607 at St Godard, Rouen, Normandie, France. |
| He was the son of Guillaume Couture and Madeleine Malet. |
| Marriage* | Guillaume Couture married Anne Emard, daughter of Jean Emard and Marie Bineau, on 16 November 1649 at Residence, Lauzon, Lévis, Québec, Canada. |
| Engagement | Guillaume Couture and Anne Emard were engaged. |
| Marriage Contract | A contract for the marriage of Guillaume Couture and Anne Emard was signed on 18 November 1649 at Québec, Québec, Canada; Notary: Guillaume Audouart. |
| Death* | Guillaume Couture died on 4 April 1701 at Hôtel-Dieu, Québec, Québec, Canada. |
| Burial* | He was buried on 4 April 1701 at Hôtel-Dieu, Québec, Québec, Canada. |
| Occupation* | He was employed on 26 June 1642 at Québec, Québec, Canada, Interpreter for the Jesuits. |
| Occupation | He was employed in 1667 at Lauzon, Lévis, Québec, Canada, Captain of the Militia. |
| Occupation | He was employed between 26 November 1673 and 1701 at Lauzon, Lévis, Québec, Canada, Judge. |
| Occupation | He was employed in 1681 at Lauzon, Lévis, Québec, Canada, Carpenter. |
