 It was sold by James Roberton, 12th Laird of Earnock, to a Mr Semple at the turn of the 19th century.He in turn sold the property to A. Millar, Esq., in 1810.Earnockmuir, part of the original estate was inherited by Sir William Erskine Cochrane,(Hamilton Advertiser 1874) (brother of Lord Dundonald) great grandson of the last Laird of Earnock.