Thomas of Mar
was a 14th century Mormaer
) of Mar
(c.1330–1377)‘Thomas, ninth earl of Mar (c. 1330–1377)’ in Fiona Watson, 'Donald, eighth earl of Mar (1293–1332)', Oxford Dictionary of National Biography
, Oxford University Press, 2004.. He was a son of Domhnall II of Mar
Thomas became Earl of Mar whilst still a child living in the Kingdom of England
, and it took several years for Thomas to return to the Kingdom of Scotland
and take charge of his inheritance. He had a fairly successful career in Scottish politics, becoming Great Chamberlain of Scotland
, and several times acting as an ambassador to England.
He married twice, firstly Margaret Graham of Menteith
, and secondly Margaret Stewart
, Countess of Angus
. He was succeeded by his sister Margaret, who was married to William Douglas, 1st Earl of Douglas
. He died childless in 1377, bringing his line and the ancient Gaelic
earldom of Mar through the male line to an end. The earldom passed into the Douglas family.