Analysis of information sources in references of the Wikipedia article "Hirta" in English language version.
These few clues tell us that people were well established on St Kilda as part of the wider settlement of the Western Isles.
The inhabitants completely isolated from the rest of the world, live on the products which nature furnishes them
Research suggests scenes on the island of Hirta taken in May 1923, with later footage of the voyage to the St Kilda islands taken c. 1928.
toilet blocks, shop and camping facilities