| Birth* | Léandre Henault was born circa 1860 at Québec, Canada. |
| Christening | He was christened circa 1860 at Québec, Canada. |
| He was the son of Onésime Henault and Julie Farly. |
| Marriage* | Léandre Henault married Marie-Albertine Beauvilliers dit Massé, daughter of Dosithé Beauvilliers dit Massé and Marie Laurendeau, on 16 January 1883 at St Gabriel, Berthier, Québec, Canada. |
| Marriage* | Léandre Henault married Marie-Almelida Parent, daughter of Abraham Parent and Sophie Martel, on 1 November 1909 at St Frédéric, Drummondville, Drummond, Québec, Canada. |
| Death* | Léandre Henault died after 1909 at Québec, Canada. |
| Burial* | He was buried after 1909 at Québec, Canada. |
