- A branch of the Ormsby family was settled at Toberavaddy in the parish of Fuerty, barony of Athlone, county Roscommon, from the mid 17th century. Sir Edward Ormsby of Shrule and Tobervaddy, leased land from the Earl of Clanricarde in the mid 17th century. He was granted lands in the counties of Limerick, Mayo, Galway and Roscommon under the Acts of Settlement, patent dated 12 Feb 1667/8. His acreage in Connacht amounted to 9,260 acres. Sir Edward was succeeded by his brother Gilbert Ormsby of Tobervaddy in 1683. Gilbert's great grandson George Ormsby appears to have still been residing at Tobervaddy in the mid 18th century. Toberavaddy was in the possession of Robert Irwin at the time of Griffith's Valuation. The Ormsbys of Grange, parish of Kilbride, barony of Ballintober South, county Roscommon were another branch of this family. They owned property in the county until the early 19th century and intermarried with the Lloyds of Rockville, the Hawkes of Brierfield and the Mills of Fairymount. Members of this branch of the family emigrated to Australia and New Zealand and by the time of Griffith's Valuation Grange was in the possession of the representatives of Daniel Farrell. In the 1870s a descendant of this family the Reverend William Ormsby, rector of Arklow, county Wicklow, owned 522 acres in county Roscommon.
- In 1778 Major Waller is recorded as resident at Rookwood and Kilmore. Robert Waller married Jane Ormsby of the Tobervaddy family in the first half of the 18th century. Major Waller was either her husband or son and was either a brother or nephew of William Waller of Allenstown, Navan, county Meath.