Career
He represented Hertford in the Legislative Assembly of Lower Canada from 1804 to 1820. He was born in Beaumont, the son of seigneur Joseph Roy and Gabrielle Sarault. He inherited the seigneury of Varennes from his father in 1791.
Roy sold the seigneury in 1847.
He was a major in the militia, reaching the rank of lieutenant-colonel in 1815. Roy did not run for reelection in 1820.
He died in Beaumont.