|Member of Parliament|
October 1925 – May 1930
|Preceded by||Joseph Archambault|
|Succeeded by||Alfred Duranleau|
6 December 1880
|Died||24 March 1954(aged 73)|
m. 22 May 1905
Langlois was born in Varennes, Quebec. From 1904, Langlois served as secretary-treasurer of Varennes. From 1918 to 1925, he managed his community's branch of the Provincial Bank of Canada. He married Regina Massue, a granddaughter of House of Commons member Louis Huet Massue of the Richelieu riding.
He was first elected to Parliament at the Chambly—Verchères riding in the 1925 general election and re-elected there in 1926. After completing his second term, the 16th Canadian Parliament, Langlois left federal politics and did not seek re-election in the 1930 vote.
- Normandin, A.L. (1929). Canadian Parliamentary Guide. Ottawa: Mortimer Company.