After George Kamano (c1822 - 1919). Of Hawaiian or Tahitian descent, Kamano was the first non-native settler on adjacent Harbledown Island. He was employed by the Hudson Bay Company at Fort Rupert from 1854-1869, remained at Fort Rupert for another year (1870) then disappeared, presumably to Harbledown Island. He died at Alert Bay in 1919.
Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office