Background
He was born in Saint-Barthélémi, Canada East, the son of Amable Lafontaine and Julie Lincourt, and was educated there, at the Collège de Joliette and the Collège de l"Assomption.
He was born in Saint-Barthélémi, Canada East, the son of Amable Lafontaine and Julie Lincourt, and was educated there, at the Collège de Joliette and the Collège de l"Assomption.
He represented Berthier in the Legislative Assembly of Quebec from 1904 to 1912 and from 1916 to 1919 as a Liberal. Lafontaine was married twice: to Georgie Rochette in 1889 and to Juliette Mousseau in 1905. He was mayor of Saint-Barthélémi from 1897 to 1903 and also served as warden for Berthier County.
Lafontaine was president of the school board for Saint-Barthélémi from 1910 to 1919.
He was first elected to the Quebec assembly in an 1904 by-election. He was defeated when he ran for reelection in 1912 but elected again in 1916.
In 1919, he was named inspector of prisons. Lafontaine died in Saint-Barthélémi at the age of 54.