Alistair Carragh Macdonald

Alastair Carragh MacDonald (Alexander the Strong) (d. c.1440) was a son of John of Islay, Lord of the Isles and Margaret Stewart, daughter of King Robert II of Scotland and Elizabeth Mure. He is the eponymous ancestor of Clan MacDonald of Keppoch.

He fought alongside his brother, Donald of the Isles, at the Battle of Harlaw in 1411, supporting Donald's claim to the Earldom of Ross. For his involvement in the 1431 insurrection of Donald Balloch and the Battle of Inverlochy, Alistair had a large portion of his lands confiscated, with those lands transferred to the Malcolm Beg Mackintosh, Chief of Clan MacKintosh.

By his wife Mary (b. 1365), daughter of Malcolm, Earl of Lennox, they had:

and