Census year: 2001 Geographical area: Local community services centre (CLSC) Topic: Language — Mother tongue Filter Order by Relevance Name Ascending Name Descending Last Modified Go 2 datasets found 2001. Semi-custom Profile. Population profile for Province of Quebec, CLSC and RSS 20% sample data. IVT (Beyond 20/20) 2001. Population by Mother Tongue, Age Groups and Sex 100% data. IVT (Beyond 20/20)