- Nicholas Westby of Ennis, county Clare, Collector of Customs, was one member of a syndicate of three (Francis Burton, James MacDonnell) who purchased in 1698 the forfeited estates of Viscount Clare from the Earl of Albemarle. The Earl had bought the estates, situated in county Clare, in 1692. Westby's descendents through advantageous marriages acquired estates in counties Wicklow, Kildare and King’s Co (county Offaly). Burke’s Irish Family Records (1976) records Nicholas Westby of Kilballyowen, county Clare and of London, who held extensive estates in county Clare in the mid 19th century, mainly located in the baronies of Moyarta (centred on the parish of Kilballyowen) and Islands (centred on the parish of Kilmaley) but also in at least five other baronies. In the 1870s Edward Perceval Westby of Roebuck Castle, Dundrum, county Dublin and Doon, county Clare, owned 25,779 acres in county Clare and 67 acres in county Dublin.
- Gregory Hickman was an English merchant in the south of England in the first half of the 17th century. He married twice, the Hickmans of Barntic, barony of Islands, county Clare were descended from his first marriage and the Hickmans of Ballyket, Brickhill, Kilmore and Fenloe, county Clare, from his second marriage. Henry Hickman, youngest son of Gregory Hickman, settled at Ballyket and his youngest son Hugh founded the Hickman family of Fenloe. Hugh had two sons Luke of Fenloe and Thomas of Brickhill. The family connection with Fenloe ceased in the second decade of the 20th century. Hugh Palliser Hickman of Fenloe owned over 3,000 acres in county Clare in the 1870s, although he resided at Fenloe, parish of Tomfinlough, barony of Bunratty Lower, which he held from William Westby, most of his estate was in the parishes of Kilballyowen and Kilmacduane, barony of Moyarta.
- This branch of the Studdert family was established at Dangananella, just outside Cooraclare, in the parish of Kilmacduane, barony of Moyarta, county Clare, from the late 18th century. They intermarried with the Moroneys, Cullinans, Coxs and Brews. Members of this family also lived at Doonmore, parish of Killard, barony of Ibrickane and intermarried with the Copland family. Jonas Studdert held lands in the parish of Kilballyowen, barony of Moyarta at the time of Griffith's Valuation. In the 1870s Jonas Studdert of Dangananella and other family members owned about 1,000 acres in county Clare. By 1916 Jonas's son Thomas George Handcock Studdert had agreed to sell 418 acres of tenanted land to the Congested Districts' Board.