Career
He was the 19th Chief of Clan Macdonald of Clanranald. He was elected to Parliament for Plympton Erle on 10 October 1812 and sat until 1824. In 1824 Alexander Ranaldson MacDonell of Glengarry unsuccessfully attempted to deprive Macdonald of the chiefship of Clan Donald by bringing an action in the Court of Session.