| Birth* | Marie-Louise Piché was born at Québec, Canada. |
| She was the daughter of Joseph-Louis Piché and Marie-Louise Galarneau. |
| Christening | Marie-Louise Piché was christened at Québec, Canada. |
| Marriage* | She married David Lefebvre, son of Joseph Lefebvre dit Descoteaux and Theotiste Hudon dit Beaulieu, on 25 June 1838 at St Gregoire le Grand, Nicolet, Nicolet, Québec, Canada. |
| Death* | Marie-Louise Piché died after 14 November 1842 at St Gregoire le Grand, Nicolet, Nicolet, Québec, Canada. |
| Burial* | She was buried after 14 November 1842 at St Gregoire le Grand, Nicolet, Nicolet, Québec, Canada. |
| Married Name | Her married name was Lefebvre. |
