| Birth* | Marie-Thècle Pepin-Lachance was born on 16 April 1742 at St Francois-IO, Montmorency, Québec, Canada. |
| Christening | She was christened on 16 April 1742 at St Francois-IO, Montmorency, Québec, Canada. |
| She was the daughter of Louis Pepin and Madeleine-Louise Lepage. |
| Marriage* | Marie-Thècle Pepin-Lachance married Augustin Landry, son of Augustin Landry and Angelique Guyon, on 20 August 1764 at St Francois-IO, Montmorency, Québec, Canada. |
| Death* | Marie-Thècle Pepin-Lachance died after 1780 at Ste Marie, Beauce, Québec, Canada; Died after birth of son Jean-Barthélemi, circa 1780. |
| Burial* | She was buried after 1780 at Ste Marie, Beauce, Québec, Canada. |
| Married Name | Her married name was Landry. |
