Bagot (Bagotstown, Ballyturin & Aghrane/Castlekelly)
- This family were first established at Bagotstown, county Limerick in the 13th century. They later held land in counties Laois and Offaly. It was through a marriage with a member of the Cuff family that a junior 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 acquisition of the Castlekelly estate in the barony of Killian. Bateman notes that there much litigation between Mr. Bagot and his sister-in-law, afterwards Mrs. Roberts, on the issue.
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. Their son John owned 1,072 acres in county Clare in the 1870s. By 1906 John Bagot held over 600 acres of untenanted demesne land in Ballyturin as well as the mansion house. 281 acres of the Bagot estate was vested in the Congested Districts' Board in February 1916.
Kelly (Aghrane Castle/Castle Kelly)
- The Kellys were settled at Castlekelly, Ballygar, barony of Killian, county Galway, from the late 17th century. Colonel Charles O'Kelly supported the Jacobite cause and a clause in the Treaty of Limerick allowed for the restoration of his estate at Aghrane, where he wrote an account of the Williamite Wars. John Kelly of Clonlyon inherited Aghrane from his cousin Denis Kelly of Dublin in 1734.The family became Protestants in the 1740s. Their estate straddled the county border so that parts of the Kelly estate were in the parishes of Athleague and Killeroran, barony of Killian, county Galway and in the parishes of Athleague and Tisrara, barony of Athlone, county Roscommon. In 1828 Denis Kelly of Castle Kelly was a member of the Grand Panel of county Roscommon. In May 1863 Denis Henry Kelly advertised for sale his 13,154 acre estate of Castle Kelly in the barony of Killian, county Galway and his 1,709 acre estate in the barony of Athlone, county Roscommon. In the 1870s Denis H. Kelly of Araghty, Athleague, owned 576 acres in county Roscommon.
- John Mahon was leasing land from the Kellys of Castle Kelly in the mid 19th century. He was a grandson of Thomas Mahon of Strokestown and in 1831 he married his cousin, Leonora, daughter of the Reverend Armstrong Kelly of Castle Kelly. In the 1870s Thomas Kelly Mahon owned 947 acres in county Galway and 584 acres in county Roscommon.