When Lionel Lemieux was born on 1 April 1889, in Saint-Sauveur, Les Pays-d'en-Haut, Quebec, Canada, his father, Jean-Baptiste Lemieux, was 30 and his mother, Leda Bernier, was 26. He married Alphéda Marcoux on 2 October 1916, in Saint-Sauveur, Quebec City, Quebec, Canada. They were the parents of at least 1 daughter. He lived in Quebec, Quebec, Canada in 1911. In 1921, at the age of 32, his occupation is listed as typographe; revenus 1300$/année in Montreal, Quebec, Canada. He died on 15 July 1969, in Montreal, Quebec, Canada, at the age of 80.