Dupuy is a municipality in northwestern Quebec, Canada, in the Abitibi-Ouest Regional County Municipality. It covers 123.48 km² and had a population of 940 as of the 2021 Canadian census. The municipality was incorporated on September 20, 1918, and known as Saint-Jacques-de-Dupuy until March 4, 1995. The name pays tribute to Abbé Jean-Bap…Dupuy is a municipality in northwestern Quebec, Canada, in the Abitibi-Ouest Regional County Municipality. It covers 123.48 km² and had a population of 940 as of the 2021 Canadian census. The municipality was incorporated on September 20, 1918, and known as Saint-Jacques-de-Dupuy until March 4, 1995. The name pays tribute to Abbé Jean-Baptiste Dupuy in 1836, as a missionary at the Lake Abitibi post.