He was born in Montreal, Quebec and became a chartered accountant by career.
He was also a councillor for the municipality of Saint-Hippolyte, Quebec prior to entering federal politics.
[1] He was first elected at the Laurier riding in a 10 February 1964 by-election, serving in the latter portion of the 26th Canadian Parliament.
Leblanc was re-elected to consecutive terms at Laurier until 1979 when he was appointed to the Senate for the Saurel, Quebec division.
This article about a Quebec Member of Parliament from the Liberal Party of Canada is a stub.