[3] In 1765, aged only twelve, Carnegie succeeded his father as baronet and as claimant to the Earldom of Southesk.
[3] He was educated at Eton College, the University of St Andrews and Christ Church, Oxford.
[4] Carnegie entered the British House of Commons as Member of Parliament (MP) for Aberdeen Burghs in 1784, sitting for the constituency until 1790.
[7] He partly rebuild and improved Kinnaird Castle, Brechin, the family's ancestral seat.
[7] Carnegie died at Gloucester Place in London[11] and was buried at St Martin-in-the-Fields.