In 1677 Lord Trimblestown was granted land in the barony of Tiaquin, county Galway. Papers in the National Archives of Ireland indicate that Lord Trimlestown estate held lands in the barony of Ballymoe, county Roscommon.
National Archives of Ireland:
Papers relating to sale of Lord Trimlestown's estate at Runnabackan, county Roscommon, 1906. Hoey & Denning Collection.