Career
He represented Surrey in the Legislative Assembly of Lower Canada from 1814 to 1824. He was born in Berthier, the son of Étienne Duchesnois and Catherine-Françoise Leroux. Duchesnois established himself in business at Varennes.
He was also a justice of the peace and a major in the militia.
Duchesnois did not run for reelection in 1824. He died two years later in Varennes at the age of 61.
