He served in the Legislative Assembly of New Brunswick from 1967 to 1970, as a Liberal member for the constituency of Edmundston.
His father is Épiphane Nadeau and his mother is Eugénie Soucy.
After his secondary studies at the École supérieure de Saint-Léonard, he entered the Collège Saint-Joseph College in Memramcook and then the Université Laval in Quebec City.
He married Ruth Delaney on July 28, 1952, and the couple had two children.
He was the Liberal Member of the Legislative Assembly for Madawska and then for the City of Edmundston from 1967 to 1970.