Career
He represented Richelieu in the Legislative Assembly of the Province of Canada from 1861 to 1863 and again in the Legislative Assembly of Quebec from 1867 to 1869 as a Conservative member. He was born in Sorel, Lower Canada, the son of Pierre Beaudreau, dit Graveline and Marie-Anne Dupré. He operated a farm at Saint-Aimé.
Beaudreau was married twice: to Élisabeth Perron in 1845 and to Marie Moreault in 1867.
He served as mayor of Saint-Aimé. He was defeated when he ran for reelection to the legislative assembly for the Province of Canada in 1863.
Beaudreau died in office at Saint-Aimé at the age of 43.