| Birth* | Marie-Léonie Neiderer was born on 10 October 1853 at Drummondville, Drummond, Québec, Canada. |
| She was the daughter of David Neiderer and Rosalie Raiche. |
| Christening | Marie-Léonie Neiderer was christened on 13 October 1853 at Drummond, Québec, Canada. |
| Marriage* | She married Zacharie Leclerc, son of Leon Houle dit Leclerc and Sophie Duff, on 5 August 1873 at St Germain de Grantham, Drummond, Québec, Canada. |
| Death* | Marie-Léonie Neiderer died on 7 January 1919 at St Germain de Grantham, Drummond, Québec, Canada, at age 65. |
