[citation needed] Tremblay served as Mayor of Beauport, Quebec from 1961 to 1970.
[citation needed] He unsuccessfully ran as a Union Nationale candidate in the 1962 election in the provincial district of Quebec County.
[citation needed] He crossed the floor on October 30, 1968 to sit as an Independent.
[citation needed] Tremblay ran as a Ralliement créditiste candidate and was defeated in the 1970 and 1973 elections.
[citation needed] In Montmorency (provincial electoral district)