Campbell of Loudoun History

Sir Duncan Campbell, a junior grandson of Cailein Mor Campbell of Lochow, became founder of the Campbells of Loudoun by marriage with Susannah, daughter of Sir Reginald Crawford of Loudoun. whose great-grandmother had been Margaret heiress of James de Loudoun, for whom the duthus of Loudoun was federalised about 1190. Robert the Bruce erected it into a barony, 1318, which was held by the descendants of Sir Duncan and the heiress of Loudoun from father to son to Hugh. the first Lord Loudoun then they again, with the title, went into the female line. From Sir Duncan and his lady many highly respected families of the name of Campbell in Ayrshire are descended.
Sir Hugh Campbell of Loudoun was created Lord Campbell of Loudoun in 1601. His son, John, Master of Loudoun, died before him, leaving a daughter, Margaret who succeeded to all the honours of Loudoun in 1662, and married her namesake, Sir John Campbell of Lawers, who was created Earl of Loudoun by Charles I in 1633. His grandson, James Campbell, fell, a Major-General, at the battle of fontenoy in 1745.
Hugh, third Earl of Loudoun, elder brother of the General, died in 1731, and was succeeded by his son, John, fourth Earl, who attained the highest military honours. He died, a General, In 1782, and unmarried. The title thus reverted to his cousin, Major-General James More Campbell, son of the General named above, who married Flora eldest daughter of Mac Leod of Raasay, by whom he had one child. Flora More Campbell, who became Countess of Loudoun, and married, in 1804, General the Earl of Moira, Commander-in-Chief in Scotland, afterwards Governor-General of India, and who, in 1816, was created Marquis of Hastings. The Countess Flora was succeeded by her son George, seventh Earl of Loudoun and 2nd Marquis of Hastings. On the death of Henry, 4th Marquis, the title went to his sister, Edith Maud, who married Mr. Clifton, with whom she assumed the name and Arms of Abney-Hastings. The Countess died in 1874, and was succeeded by her son. Charles, eleventh Earl, He died in 1920, and was succeeded in his Scottish titles by his niece, Edith Maud, Countess of Loudoun.