Allard was educated at the Collège de Nicolet, the Université Laval at Montreal and the School of Management at Poughkeepsie, New New York
He represented Abitibi in the Legislative Assembly of Quebec from 1939 to 1944 as a Liberal. He was admitted to the Quebec bar in 1922 and set up practice in Montreal, then, from 1924 to 1928, with Hector Authier at Amos and later on his own. From 1929 to 1936, he was deputy crown attorney for Abitibi district.
He resigned his seat in the Quebec assembly after he was named judge in the circuit court for Abitibi, Rouyn-Noranda and Témiscamingue districts in 1944.
He served until 1967. Allard died in Sainte-Foy at the age of 76.