Career
He represented York in the Legislative Assembly of Lower Canada from 1809 to 1814. His name also appears as Pierre Julien. He was born in Pointe-Claire, the son of Joseph Saint-Julien and Marie-Joseph Aumay.
He did not run for reelection to the assembly in 1814.
Saint-Julien died some time after 1827, possibly in L"Orignal.