Earl of Loudoun Earl of Loudoun Earl of Loudoun (pronounced ), named after Loudoun in Ayrshire, is a title in the Peerage of Scotland. It was created in 1633 for John Campbell, 2nd Lord Campbell of Loudoun, along with the subsidiary title Lord Tarrinzean and Mauchline. The 1st Earl's wife Margaret was the granddaughter and heiress of Hugh Campbell, who had been created Lord Campbell of Loudoun; he resigned the peerage in favour of his grandson-in-law, who was later created an earl. The 6th Countess married the 2nd Earl of Moira, who was later created Marquess of Hastings. The next three Earls also
Earl of Iddesleigh Viscount St Cyres, of Newton Saint Cyres in the County of Devon, at the same time he was given the earldom. This title is also in the Peerage of the United Kingdom. He was succeeded by his eldest son, the second Earl. He notably served as Chairman of the Board of Inland Revenue. On his death the titles passed to his nephew, the third Earl. He was the youngest son of Reverend the Hon. John Stafford Northcote, third son of the first Earl. His eldest son, the fourth Earl, served as a Deputy Lieutenant of Devon. the titles are held