Career
He represented Devon in the Legislative Assembly of Lower Canada from 1814 to 1820 and 1824 to 1827. He was born at L"Islet, Quebec, the son of seigneur Jean-Baptiste Couillard-Després and Marie-Josette Pin. Couillard-Després served as a major in the militia during the War of 1812.
He was also a justice of the peace.
He died in L"Islet at the age of 62.
