| Birth* | Marguerite Legardeur was born on 30 July 1669 at Nôtre-Dame, Québec, Québec, Québec, Canada. |
| She was the daughter of Michel Legardeur dit Sanssoucy and Marguerite Gambier. |
| Christening | Marguerite Legardeur was christened on 31 July 1669 at Nôtre-Dame, Québec, Québec, Québec, Canada. |
| Marriage Contract* | A contract for the marriage of Marguerite Legardeur and Jean-Etienne Dubreuil Notaire was signed on 25 November 1691 at Québec, Québec, Québec, Canada. |
| Marriage* | Marguerite Legardeur married Jean Dubreuil on 26 November 1691 at Nôtre-Dame, Québec, Québec, Québec, Canada. |
| Death* | Marguerite Legardeur died before 29 December 1702 at Nôtre-Dame, Québec, Québec, Québec, Canada. |
| Burial* | She was buried on 29 December 1702 at Nôtre-Dame, Québec, Québec, Québec, Canada. |
| Married Name | Her married name was Dubreuil. |
