Born in
Saint-Tite on 30 March 1944, Lamonde graduated from the
Université de Montréal and the
Université Laval. He extensively studied the
sociography of Quebec, believing that the Quebec identity was based more on the liberal tradition of North America than on French culture and Roman Catholicism, as evidenced in his books
Histoire sociale des idées au Québec and
Brève histoire des idées au Québec. In 2008, he published an autobiography titled
Historien et citoyen: navigations au long cours in collaboration with
Claude Corbo. He was a member of the
Académie des lettres du Québec, the
Royal Society of Canada, and the . His works can be found at the
McGill University Archives. Lamonde died on 26 August 2025, at the age of 81. ==Publications==