Alasdair Óg Mac Domhnaill was Lord of Islay and chief of Clann Domhnaill. He was the eldest son of Aonghus Mór mac Domhnaill, Lord of Islay. Alasdair Óg seems to first appear on record in 1264, when he was held as a hostage of the Scottish Crown for his father's good behaviour. During Alasdair Óg's career, the Scottish realm endured a succession crisis as a result of the unexpected death of Margaret, Maid of Norway, heir to the Scottish throne, in 1290. One of several factions that staked a claim to the throne was the Bruce kindred. Both Alasdair Óg and his father were cosignatories of the Turnberry Band, a pact that may have partly concerned the Bruces' royal aspirations.
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Either Skipness Castle (pictured) or Dunaverty Castle could have been the principal seat of the steward in Kintyre. Either may have been the fortress that Alasdair Óg was on verge of storming in September 1296 when he informed the English Crown of his progress in securing control of Kintyre.
The arms of the Lord of Argyll depicted in the fourteenth-century Balliol Roll.
Clan Donald, also known as Clan MacDonald, is a Highland Scottish clan and one of the largest Scottish clans. The Lord Lyon King of Arms, the Scottish official with responsibility for regulating heraldry in that country, issuing new grants of coats of arms, and serving as the judge of the Court of the Lord Lyon, recognises under Scottish law the High Chief of Clan Donald. Historically the chiefs of the Clan Donald held the title of Lord of the Isles until 1493 and two of those chiefs also held the title of Earl of Ross until 1476. Queen Mary of Denmark is member of Clan Donald.
The Battle of Harlaw as depicted in The Clan Donald volume 1 (1896), by A and A MacDonald, who assert that Donald of Islay and his army of Scottish Highlanders won a victory over the Duke of Albany and his army of Scottish Lowlanders, which resulted in the "total annihilation" of the Lowland army. However, some historians say the battle was indecisive with no clear victor and the Oxford Companion to Scottish History (2011) states that Donald of Islay was "defeated at great cost at Harlaw".
Colonsay, Inner Hebrides; loss of the Lordship of the Isles fractured MacDonald unity
Inverlochy Castle; a Campbell-dominated army camped here before their destruction on 2 February 1645 by a largely MacDonald force
Clan Donald grave marker at the site of the Battle of Culloden