The home of the Marnell family at the beginning of the 19th century. Richard Marnell was resident in 1814.
In 1749 James Marnell is recorded as residing at Cregawon in the parish of Kilcroan, barony of Ballymoe, county Galway. The Marnell family of Marnellsgrove, parish of Kilcroan, held land in the parish from at least the mid 18th century to the early 19th century. By the time of Griffith's Valuation John L. Bagot was the immediate lessor of Marnellsgrove. See http://genforum.genealogy.com/marnell/messages/76.html
It was through a marriage with a member of the Cuff family that a branch of the Bagot family of county Offaly came to possess an estate in the barony of Ballymoe, county Galway. Catherine Cuff, a granddaughter of Thomas Cuff, a brother of James Cuff, Lord Tyrawley, married John Lloyd Bagot in 1775. Griffith's Valuation records Thomas Neville Bagot and his son John Lloyd Bagot owning townlands in the parishes of Drumatemple and Kilcroan. The Bagot estate was further expanded by the purchase of the Castlekelly estate in the barony of Killian. By the 1870s John Lloyd Bagot owned 6,900 acres in county Galway and 104 acres in county Roscommon, his brother Christopher Neville Bagot owned 12,396 acres in county Galway and another brother Bernard William Bagot of Carrownure, Lecarrow, owned 686 acres in county Roscommon. John Lloyd Bagot married Anna Georgina Kirwan of Ballyturin, parish of Kilbeacanty, barony of Kiltartan, county Galway. 281 acres of the Bagot estate was vested in the Congested Districts' Board in February 1916.