In 1551 Dromoland was listed in the will of Murrough O'Brien. He was first Tanist and in 1543 he had been granted the title of first Earl of Thomond by Henry VIII. In 1962, Donough O'Brien, the sixteenth Baron Inchiquin, sold Dromoland Castle and three hundred and fifty acres because of difficult financial circumstances. He built Thomond House on a hill overlooking Dromoland. He moved in to this Georgian style house in 1965 but died in 1968. It is now occupied by the 18th Baron Inchiquin.