Career
Born in Baie-Saint-Paul, Quebec, Mailloux worked as a ship captain from the end of his studies at the Quebec Marine Institute (in French) until 1943. He was a manager and worked an insurance company. Prior to his entry at the National Assembly of Quebec, he also served as a municipal councillor in Baie-Saint-Paul.
He was first elected as Modern Language Association in Charlevoix in the 1962 elections and re-elected for five other terms until the 1985 elections.
He served as the Minister for Roads (1970–1972), Minister of Public Works (1970–1972 and 1973–1975) and Procurement (1973–1975) and Minister of Transports (1973–1976) in the government of Robert Bourassa.
