Fearchar of Ross or Ferchar mac in tSagairt (Fearchar mac an t-sagairt, often anglicized as Farquhar MacTaggart), was the first of the Scottish Ó Beólláin (O’Beolan, Beolan) family who received by Royal Grant the lands and Title of Mormaer or Earl of Ross (1223–1251) we know of from the thirteenth century, whose career brought Ross into the fold of the Scottish kings for the first time, and who is remembered as the founder of the Earldom of Ross.