E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Lord of the Isles.
Donald of Islay, who in 1346 reduced the Hebrides under his away. The title had been borne by others for centuries before, and was also borne by his successors. One of Sir Walter Scotts metrical romances is so called. This title is now borne by the Prince of Wales.