Landed Estates
NUI Galway

O'Grady (Cahir Guillamore)

Descended from a younger son of the O'Gradys of Kilballyowen, county Limerick, Standish O'Grady, son of Darby O'Grady of Mount Prospect, was created Viscount Guillamore in 1831. The O'Gradys acquired Cahir by the marriage of the 1st Viscount's grandfather, Standish O'Grady, to Honora, daughter and co heir of Jeremiah Hayes of Cahir. The Guillamore estate was in the parishes of Fedamore and Glenogra, barony of Smallcounty, Tullabracky, barony of Coshma and Abbeyfeale, Clonelty, Grange and Mahoonagh, barony of Glenquin, county Limerick and Drumtarriff, barony of Duhallow, county Cork, at the time of Griffith's Valuation. Lady Guillamore held land in the parish of Askeaton, barony of Connello Lower. In the 1870s the 4th Viscount owned 3,750 acres in county Limerick and 1096 acres in county Cork, while his niece, Honourable Cecilia O'Grady of Rockbarton, only surviving child of the 3rd Viscount, owned 4,977 acres. She married Lord Fermoy in 1877.


Name Townland Civil Parish PLU DED Barony County Map Ref
Linfield Linfield Grean Tipperary No 2 Grean 146 Coonagh Limerick OSI Ref: R751 469
OS Sheet: 24
Discovery map: 65
Cahir Guillamore Cahirguillamore Glenogra Croom Grange 19 Smallcounty Limerick OSI Ref: R612 404
OS Sheet: 31
Discovery map: 65
Castle Garde Castlegarde Doon Tipperary No 2 Doon South 145 Coonagh Limerick OSI Ref: R792 495
OS Sheet: 15
Discovery map: 65
Rockbarton Rockbarton Tullabracky Croom Grange 19 Coshma Limerick OSI Ref: R619 395
OS Sheet: 31
Discovery map: 65
Fort Grady Fort Grady Dromtarriff Kanturk Banteer 159 Duhallow Cork OSI Ref: W352 962
OS Sheet: 31
Discovery map: 79
Rathfredagh Rathfreedy Clonelty Newcastle Knockaderry 115 Glenquin Limerick OSI Ref: R337 331
OS Sheet: 36, 37
Discovery map: 64

Archival sources

  • Copy of confirmation of arms, O’Grady quartering Stamer, to descendants of Edward Smyth O’Grady, fourth son of Darby O’Grady of Mount Prospect, Co Limerick & his wife Mary Stamer, daughter & heir of William Stamer of Carnelly, 9 Nov 1910. GO MS 111a:46; National Library of Ireland
  • Pedigrees of Hayes & O’Grady of Caherguillamore, c 1730-1804. GO MS 176:532; National Library of Ireland
  • Papers of O’Grady of Caher Guillamore, Co Limerick, mainly concerning a legal case re the 1836 will of 1st Viscount Guillamore, 1840s. Also some documents re title of Lissinisky [Lissaniska East, barony of Glenquin] purchased by John Quillinan, a London merchant, from the Courtenay estate in 1808 & left by the 1st Viscount to his son Thomas. References to Richard O'Grady, Rathfreedagh House, 1910s. 19th-early 20th centuries. (unsorted collection) PC 772-774 ; National Library of Ireland
  • An Act for giving effect to a compromise of a certain suit depending in the Court of Chancery in Ireland relating to certain estates in the Cos of Limerick & Cork of the Right Hon Standish O'Grady 1st Viscount Guillamore, 1864. Private Act, (Printed), 27 & 28 Victoria I, c. 5 HL/PO/PB/1/1864/27&28V1n357 ; Parliamentary Archives
  • Irish Tourist Association Survey file for parish of Knockaderry, barony of Connello Upper, 1944. Limerick West 16; Limerick Studies Department, Dooradoyle
  • Irish Tourist Association Survey file for parish of Bruff, barony of Small County, 1944. Limerick North East 6 ; Limerick Studies Department, Dooradoyle
  • Account book of Rockbarton estate, 1831-1840. LM2004.0098; Limerick City Museum
  • William B. Fitt & Co, auctioneers, 46 O'Connell St., Limerick, inventories & valuations of Co Limerick properties, including Cahirguillamore, 1919. Ref. 1993.0167; Limerick City Museum

Contemporary printed sources

Modern printed sources