| Birth* | Ernest Lefebvre dit Descoteaux was born after 24 February 1868 at Nicolet, Québec, Canada. |
| Christening | He was christened after 24 February 1868 at Nicolet, Québec, Canada. |
| He was the son of Edmond Lefebvre dit Descoteaux and Clemence Josephine Robert. |
| Marriage* | Ernest Lefebvre dit Descoteaux married Regina Proulx, daughter of Amédée Proulx and Marie Parenteau, on 29 February 1916 at St Michel, Yamaska, Québec, Canada. |
| Death* | Ernest Lefebvre dit Descoteaux died after 29 February 1916 at St Michel, Yamaska, Québec, Canada. |
| Burial* | He was buried after 29 February 1916 at St Michel, Yamaska, Québec, Canada. |
