Louis Beaubien (July 27, 1837 – July 19, 1915) was a Canadian politician.

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Quick Facts Member of the Legislative Assembly of Quebec for Hochelaga, Succeeded by ...

Louis Beaubien
Member of the Legislative Assembly of Quebec for Hochelaga
In office 1867–1886
Succeeded by	Joseph-Octave Villeneuve
Member of the Legislative Assembly of Quebec for Nicolet
In office 1892–1897
Preceded by	Joseph-Victor Monfette
Succeeded by	Georges Ball
Member of the Canadian Parliament for Hochelaga
In office 1872–1874
Preceded by	Antoine-Aimé Dorion
Succeeded by	Alphonse Desjardins
Personal details
Born	(1837-07-27)July 27, 1837 Montreal, Lower Canada
Died	July 19, 1915(1915-07-19) (aged 77) Outremont, Quebec
Resting place	Notre Dame des Neiges Cemetery
Political party	Conservative
Relations	Pierre Beaubien, father

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Born in Montreal, Lower Canada, the son of Pierre Beaubien, a physician and politician, and Marie-Justine Casgrain, he was one of the founders of Outremont.

In 1867, he was elected to the Legislative Assembly of Quebec in the riding of Hochelaga. He was also elected to the House of Commons of Canada as the Conservative candidate for the Quebec riding of Hochelaga in the 1872 federal election. He resigned once it was no longer allowed to hold both federal and provincial offices.

He was re-elected in 1875, 1878, and acclaimed in 1881. He was Speaker of the Legislative Assembly from 1876 to 1878. He did not run in the 1886 election. In 1891, he was named commissioner of agriculture and colonization in the cabinet of Charles Boucher de Boucherville.

Beaubien was acclaimed in the 1892 election. He would remain in this post in the cabinets of Louis-Olivier Taillon and Edmund James Flynn. He was defeated in the 1897 election.

In 1882, he was the 30th President of the Saint-Jean-Baptiste Society of Montreal. In 1864, he married Suzanne Lauretta Stuart. They had four sons and four daughters, including Charles-Philippe Beaubien, the Canadian senator.

He is the grandfather of Louis-Philippe Beaubien, also a Canadian senator. He was a cousin of Charles Eusèbe Casgrain and, his son, Philippe Baby Casgrain. Beaubien died in 1915 and is buried in the Notre Dame des Neiges Cemetery.