Vancouver Island Mountains adopted 2 April 1918 in the report "Nomenclature of the Mountains of Western Canada," published in the 16th Report of the Geographic Board of Canada, 31 March 1919. Form of name changed to Vancouver Island Ranges in 1948, citing Geological Survey of Canada map 922A, The Canadian Cordillera. "Vancouver Island Ranges (not Vancouver Island Mountains)" confirmed 17 April 1972 (Ottawa file OBF 0248; BC file V.1.65). Coordinates adjusted 27 October 1989 on 92F/12, to approximate the midpoint of the range.
Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office