Career
He represented Leinster from 1824 to 1827 and Lachenaie from 1830 to 1838 in the Legislative Assembly of Lower Canada as a supporter of the Parti patriote. He was born in Deschaillons, Quebec, the son of Julien Courteau and Marie-Anne Colle, and moved to Saint-Roch-de-l"Achigan with his family in 1799. Courteau was educated at the Collège de Montréal.
Courteau served in the local militia, reaching the rank of major.
He was an unsuccessful candidate for a seat in the legislative assembly in 1827. Courteau voted in support of the Ninety-Two Resolutions.
He died at Saint-Roch-de-l"Achigan at the age of 58.
