- At the time of Griffith's Valuation W.R.B. McGuire held the townland of Monacow, parish of Tuam, barony of Dunmore, county Galway. In the 1870s his representatives owned almost a thousand acres in the county.
- At the time of Griffith's Valuation Philip McGuire held land in the parishes of Killardry and Relickmurry and Athassel, barony of Clanwilliam, county Tipperary. Philip Maguire was a son of Constantine Maguire of Tempo, county Fermanagh who inherited an estate in county Tipperary through his mother, Phoebe Macnamara, in 1830. Phoebe had family connections with the Creagh Butler family. Constantine was murdered at Toureen in 1834. In July 1852 the estate of Hugh and Philip Maguire, devisees of Constantine Maguire, deceased, at Kilnacask Lower, Dranganmore, and Toureen, in the barony of Clanwilliam, was advertised for sale. The property at Toureen, amounting to over 900 acres, was repeatedly offered for sale during the following 25 years. In May 1876 the Irish Times reported that portions of it were purchased by a Mr. Hart. In the 1870s [Judge] Philip McGuire of Tooreen, Caher, owned 932 acres in county Tipperary.