 The castle passed through various members of the clan before ending up in the hands of Thomas Kennedy, Earl of Cassillis in 1766.Around this time the residential use of the castle seems to have stopped; today the structure is a ruin.The entrance lintel has the inscription, "JK 1603 FMD", for John Kennedy of Baltersan and his third wife, Florence MacDowell, who held the lands, Greenan Mill, and salmon fishing rights on the River Doon at that time.