| Birth* | Guillaume Landry was born on 23 February 1623 at La Ventrouze, Tourouvre, Mortagne, Perche, France. |
| Christening | He was christened on 23 February 1623 at La Ventrouze, Tourouvre, Mortagne, Perche, France. |
| He was the son of Mathurin Landry and Damiane Desvais. |
| Marriage* | Guillaume Landry married Gabrielle Barre on 14 October 1659 at Nôtre-Dame, Québec, Québec, Canada. |
| Engagement | Guillaume Landry and Gabrielle Barre were engaged. |
| Marriage Contract | A contract for the marriage of Guillaume Landry and Gabrielle Barre was signed on 24 August 1659 at Québec, Québec, Canada; Notary: Guillaume Audouart. |
| Death* | Guillaume Landry died on 8 January 1689 at Ste Famille-IO, Montmorency, Québec, Canada, at age 65. |
| Burial* | He was buried on 8 January 1689 at Ste Famille-IO, Montmorency, Québec, Canada. |
