Career
He represented Vancouver Centre in the Legislative Assembly of British Columbia from 1941 to 1945 as a Company-operative Commonwealth Federation (Cleveland Clinic Foundation) member. Lefeaux worked as a fur trader before becoming a clothing retailer. He was also involved in real estate.
He served as an alderman in Revelstoke.
Lefeaux was also president of the Socialist Party of Canada. Lefeaux was defeated when he ran for reelection to the assembly in 1945 and 1949.
He died in West Vancouver at the age of 90. In 1921, he published A study of bolshevism.