John of Islay, Earl of Ross
Scottish magnate, Lord of the Isles and chief of Clan Donald

John of Islay (or John MacDonald) (1434–1503), Earl of Ross, fourth (and last) Lord of the Isles, and Mac Domhnaill (chief of Clan Donald), was a pivotal figure in late medieval Scotland: specifically in the struggle for power with James Stewart, James III of Scotland, in the remoter formerly Norse-dominated regions of the kingdom. His defeat in this conflict led to rebellion against John by his illegitimate son Angus Óg, resulting in the defeat of John's fleet at the Battle of Bloody Bay in the early 1480s. Thereafter and until his death in 1503 John remained an inconsequential figure while, until his murder in 1490, Angus continued to dominate the affairs of Clan Donald. In 1493 James IV brought the Lordship of the Isles to an end.
Early life
John was born to Alexander of Islay, Earl of Ross and Lord of the Isles, and Elizabeth, daughter of Alexander Seton the lord of Gordon and Huntly. He succeeded to his father's territories in 1449 while a still a minor.
Marriage
John's marriage to Elizabeth Livingstone had been determined by the usual calculations of profit and position, as were those of other important people of the time. There was one important difference with the alliance of John and Elizabeth: he came from a great landed family. Elizabeth was the daughter of Sir James Livingstone, a powerful politician during the minority of James II, but in a conservative, land-based society. John, with a large following at his heels, rich as he was, always craved more land.
The public source identifies “John of Islay, Earl of Ross” as scottish magnate, Lord of the Isles and chief of Clan Donald. This brief keeps that definition visible, then builds a research path around John, Islay and Earl.
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Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Jun 10, 2026. The linked authority identifier is Q3172627. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1434, 1503, 1490 and 1493.
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This entry incorporates text from “John of Islay, Earl of Ross” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.