Extract from Brett’s “Buildings of County Antrim”:
...James Stuart, born in 1743, son of the Rev. Irwin Stuart, built and settled at Gracehill, naming it after his wife Grace Lynd of Stewartstown, probably soon after inheriting on his father's death in 1772. ...... On the death of James Stewart's son, Major-General James Stewart CB, in 1859, the house passed to Thomas S Irwin, whose mother was the General's younger sister Caroline....