John Carnegie, 1st Earl of Northesk ( â 8 January 1667), formerly 1st Earl of Ethie from 1647 to 1662, was a Scottish noble who supported the Royalist cause during the Wars of the Three Kingdoms.
Carnegie was born and lived at Inglismaldie Castle. He was the son of David Carnegie of Colluthie and, his second wife, Euphame Wemyss (d. 1593), daughter of John Wemyss of Wemyss. His brother of David Carnegie, 1st Earl of Southesk.
His paternal grandparents were Sir Robert Carnegie of Kinnaird and Margaret Guthrie. Through his mother, he was a descendant of Henry Sinclair, 4th Lord Sinclair.
Carnegie had already been created Earl of Ethie and Lord Lour in 1647 but relinquished those titles in exchange for the 1662 creations. It was under the title Earl of Ethie that he was fined ã6,000 under Cromwell's Act of Grace.
He married twice, firstly to Magdalen Haliburton (âÂÂ1650), daughter of Sir James Haliburton. With his first wife he had six children:
After the death of his first wife, he married secondly to Margery Maule, daughter of Andrew Maule, on 29 April 1652.
Lord Northesk died on 8 January 1667. and was succeeded by his eldest son, David.