Most of my information comes from:

https://www.historic-uk.com/HistoryUK/HistoryofScotland/The-Eilean-Mor-Lighthouse-Mystery/ (https://www.historic-uk.com/HistoryUK/HistoryofScotland/The-Eilean-Mor-Lighthouse-Mystery/)

https://www.ozy.com/true-and-stories/unraveling-the-mystery-of-eilean-mor-lighthouse/90050/ (https://www.ozy.com/true-and-stories/unraveling-the-mystery-of-eilean-mor-lighthouse/90050/)

https://www.history101.com/eilean-more/ (https://www.history101.com/eilean-more/https://www.history101.com/eilean-more/)

https://www.ancient-origins.net/unexplained-phenomena/curious-disappearance-eilean-mor-lighthouse-keepers-scottish-mystery-004820 (https://www.ancient-origins.net/unexplained-phenomena/curious-disappearance-eilean-mor-lighthouse-keepers-scottish-mystery-004820)