Adopted 4 March 1947 on 92 F/2, as a long-established name and as labelled on BC map 2A, 1938.

Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office

Labelled "Fallensby Lake" on British Admiralty Chart #1917, 1883.

Source: BC place name cards, files, correspondence and/or research by BC Chief Geographer/Geographical Names Office.

Named c1895 for William Herbert Bainbridge of the Alberni Development Syndicate which had taken up the Cataract and other hydraulic properties on China Creek. He was at one time employed as a civil engineer by the E & N Railway (Victoria Colonist, 12 December 1897 p.5)

Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office

Named after William Herbert Bainbridge, one of the locators of a big hydraulic proposal called the "Duke of York", four miles from the "Golden Eagle"; the other locater was McQuillan ("West Coast Lore" by A.W.Sproat, published in West Coast Advocate, 18 April 1935 p.4)

Source: included with note