Originally inhabited by
Algonquin people, the area began to see
Coureurs des bois in the middle of the 17th century, travelling on the Ottawa River and Lake Timiskaming. In 1720,
Fort Témiscamingue was founded by French merchants on the east side of the lake. In the middle of the 19th century, colonization started with the arrival of logging companies and Oblate missionaries. In 1877, the geographic township of Duhamel was created, named after
Joseph-Thomas Duhamel, and was incorporated as a township municipality in 1898. In 1911, the Township Municipality of Duhamel is dissolved, when it split up into the new municipalities of
Notre-Dame-de-Lorrainville and Duhamel-Ouest. "
Ouest" (French for "west") was added to distinguish it from
Duhamel in the Outaouais Region. ==Demographics==