Angus Du Mackay, 7th of Strathnaver

Angus Du Mackay (died 1433) was the 7th chief of the Clan Mackay, a Highland Scottish clan. He is recorded in the 15th-century Scottish chronicle, Scotichronicon, as Enneas-en-Imprissi meaning Angus the Absolute due to his power of commanding 4000 men.

Angus Du Mackay, 7th of Strathnaver was the eldest son of Angus Mackay, 6th of Strathnaver and his wife who was a daughter of Torquil MacLeod, chief of the Clan MacLeod of Lewis.

The chief of the MacLeods of Lewis had heard that his sister, wife of Angus Mackay, 6th of Strathnaver, had been mistreated and according to historian Angus Mackay the MacLeods raided the Mackay's lands of Strathnaver. The Mackays pursued the MacLeods and the Battle of Tuiteam Tarbhach took place where the MacLeods were defeated. The Mackay historian discredits the account written by 17th-century historian Sir Robert Gordon, who states that only one man of the MacLeods survived the battle.

In 1411 a feud broke out over who was the rightful Earl of Ross, between Domhnall of Islay, Lord of the Isles (chief of Clan Donald) and the Stewart royal family. Domhnall of the Isles claimed the earldom through his marriage to Mariota, Countess of Ross.

Robert Stewart, Duke of Albany, third son of Robert II of Scotland naturally supported the claim to the earldom of Ross by his son John Stewart, Earl of Buchan and was supported by Alexander Stewart, Earl of Mar who was a son of Alexander Stewart, Earl of Buchan known as the Wolf of Badenoch. Angus Du Mackay, chief of Clan Mackay joined the Stewart confederacy and historian Angus Mackay states that Angus Du is believed to have been a cousin of the Earl of Mar.

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