M, b. 19 December 1867
| Birth* | 19 December 1867 | Alphonse Dagenais was born on 19 December 1867 at St-André-d'Argenteuil, Comté Argenteuil, Québec . |
| Marriage* | 19 June 1894 | He married Helene Villeneuve on 19 June 1894 at St Alphonse de Ligouri, Hawkesbury, Prescott County, Ontario. |
| Census1901* | 31 March 1901 | Alphonse Dagenais and Helene Villeneuve appeared on the 1901 Census of Hawkesbury, Prescott County, Ontario, enumerated 31 March 1901. Their children Joseph Alphonse Irene and Leo Armand Lauzon were listed as living with them. |
| Burial* | | Alphonse Dagenais was buried at Lachine, Comté Hochelaga, Québec. |