M, b. 19 March 1854
| Birth* | 19 March 1854 | Cyprien Thiffault was born on 19 March 1854 at St-Stanislas, Comté Champlain, Québec . |
| Baptism | 20 March 1854 | He was baptized on 20 March 1854 at St-Stanislas, Comté Champlain, Québec . |
| (with Parents) Census1871 | 2 April 1871 | He appeared on the 1871 Census of St-Tite, Comté Laviolette, Québec in the household of his parents, Hubert Thiffault and Appoline Ayotte.1 |
| Marriage* | 29 July 1872 | Cyprien Thiffault married Marie Lafontaine, daughter of Sifroy Lafontaine and Sophie Cloutier, on 29 July 1872 at St-Tite, Comté Laviolette, Québec . |