 Fingask was purchased for £9,606 6s 4.5d by the York Buildings Company, an English waterworks company which had begun to specialise in forfeited land.The company held the property until 1783, meanwhile leasing it to Dame Katherine (Kattrin) Threipland, "the lass of Gowrie" (d. 18 March 1762), daughter of the 2nd baronet.Fingask Castle was badly damaged in 1745 by government troops, as the Threiplands once more supported the Jacobites in the second Jacobite rising.