He was born in Quebec City to Alcide and Aurore (Nadeau) Thériault. On April 21, 1942, he married Germaine Blanchet, with whom he would have two children, Marie-José and Yves-Michel. As a child he dropped out of school at the age of 15, holding many miscellaneous jobs until he became a known writer.
He was a member of the Canadian Authors Association, the International PEN Club, le syndicat national des Écrivains de France, la Société des Gens de Lettres (Paris), la Société des écrivains canadiens, and la Société des auteurs Dramatiques.
- Contes pour un homme seul - 1944
- La Fille Laide- 1950
- Le Dompteur d'ours - 1950
- Les Vendeurs du Temple - 1953
- Aaron - 1954, reprinted for Paris distribution in 1956.
- Agaguk - 1958, printed for Paris distribution as well, translated into German, Italian, Portuguese, Japanese and Spanish in 1959.
- Ashini - 1961, received the Governor General's Award for French Language Fiction.
- Yves Thériault's entry in The Canadian Encyclopedia
- Yves Thériault, interviewed by Victor Teboul, Ph.D.
- Yves Thériault at the Internet Movie Database