The traditional name of David Island is Si'wiipk'amil.
Source: BC place name cards, files, correspondence and/or research by BC Chief Geographer/Geographical Names Office.
"Product from this island was used for the manufacture of harpoons." (July 1983 interview by Denis St. Clair with Toquaht Elders Jimmy McKay, Sammy McKay and Chief Bert Mack.)
"Stone found here was used to sharpen harpoons." (advice from Toquaht Elder Anne Mack, shared November 2010)