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
Gerald FitzGerald, 5th Earl of Kildare him the title should have passed to his brother John, de jure 6th Earl, although his son-in-law, the Earl of Ormonde, also claimed the title in right of his wife, Elizabeth. The dispute was finlly resolved in favour of John's son Thomas FitzGerald, 7th Earl of Kildare. Gerald FitzGerald, 5th Earl of Kildare Gerald FitzMaurice FitzGerald, 5th Earl of Kildare (d. before 24 June 1428) was an Irish peer. Kildare was the son of Maurice FitzGerald, 4th Earl of Kildare and Elizabeth Burghersh. Kildare served as Justiciar of Ireland in 1405. In 1407 he defeated the O'Carrol clan at Kilkenny.