Murray (1973) notes that "Western Isles" has tended to mean "Outer Hebrides" since the creation of the Na h-Eileanan an Iar or Western Isles parliamentary constituency in 1918.
Murray (1973) noterer at "Western Isles" har betydet "Outer Hebrides" siden oprettelsen Na h-Eileanan an Iar eller Western Isles parlaments konstitution 1918.