Donnchadh's granddaughter Marjorie (Marthoc, Martha, Margaret), who later held the title in her own right, married Robert de Brus, who later became Lord of Annandale.
In the 13th century, it was a site of a castle owned by the Earls of Carrick.
As to when or by whom Turnberry was built there seems to be no authentic record; but it was originally a stronghold of the Lords of Galloway, and from there passed into the possession of the Earls of Carrick, about the beginning of the 13th century.
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The marriage between Marjorie of Carrick, and Robert de Brus of Annadale in 1271, conveyed to him both the castle and the earldom.
James Earl Jones | Prince Edward, Earl of Wessex | Louis Mountbatten, 1st Earl Mountbatten of Burma | Herbert Kitchener, 1st Earl Kitchener | Earl | Frederick Roberts, 1st Earl Roberts | Earl of Derby | Earl Warren | Earl of Pembroke | Robert Harley, 1st Earl of Oxford and Earl Mortimer | Earl of Warwick | Thomas Wentworth, 1st Earl of Strafford | Edward Smith-Stanley, 14th Earl of Derby | Earl of Shrewsbury | William Pitt, 1st Earl of Chatham | Simon de Montfort, 6th Earl of Leicester | Richard Neville, 16th Earl of Warwick | Earl of Leicester | John Scott, 1st Earl of Eldon | Robert Devereux, 2nd Earl of Essex | Robert, 1st Earl of Gloucester | Edward Harley, 2nd Earl of Oxford and Earl Mortimer | Earl of Devon | Douglas Haig, 1st Earl Haig | My Name Is Earl | Edward Hyde, 1st Earl of Clarendon | Earl Scruggs | Earl of March | Richard Howe, 1st Earl Howe | John Russell, 1st Earl Russell |
In late September 1915, the brigade (just two regiments strong, Ayrshire Yeomanry and Lanarkshire Yeomanry) left Fife for Devonport.
The title Earl of Carrick is now one of the lesser Scottish titles of the heir apparent to the throne, currently Prince Charles, the Prince of Wales, whose principal Scottish title is Duke of Rothesay.