A branch of the O'Briens who lived at Glencolumkille, parish of Carran, barony of Burren, county Clare, where they held a small estate from John Kirwan [barrister of Dublin] and then from John Stratford Kirwan in the 19th century. In 1865 the Kirwan's county Clare estate was advertised for sale including Glencolumkille. In March 1884 the estate of Turlough Butler O'Bryen at Glencolumkille South, amounting to 396 acres was advertised for sale. It was held on a fee farm grant from Charles William White to Mortagh O'Brien dated 1875. In June 1887 over 300 acres at Glencolumbkille South, barony of Burren, county Clare were offered for sale in the Land Judges' Court by William Griffith and Edward C. Standford. The petitioner was A.D. O'Bryen. Due to absence of bidding the sale was adjourned. The property was offered again in March 1889 with the same result but the judge gave leave for private bids to be accepted. A book has been written about Turlough Butler O'Bryen entitled ''The Bee Man of County Clare: Turlough Butler O'Bryen, 1853-1928'' by James K. Watson (1995). The Irish Tourist Association file refers to the house still being occupied by a descendant of Turlough O'Brien in the 1940s.
- Land Judges’ Court Rentals (O’Brien), O’Bryen, 18 Mar 1884, Vol 146 (28), 30 Jan 1885, Vol 148 (3) MRGS 39/064 & 39/065, (microfilm copy in NUIG); National Archives of Ireland
- Landed Estates’ Court Rentals (O’Brien), Kirwan, 12 Jan 1865, (Co Clare estate, with some purchasers noted) Vol 75 (4) & 16 Nov 1865, 79 (8), (Second division), 22 Nov 1866, Vol 83 (40), 10 May 1867, Vol 85 (30), MRGS 39/037, 39/038, 39/040, 39/041 (microfilm copy in NUIG); National Archives of Ireland
- Irish Tourist Association file, Parish of Kilcronin & Kilcorney, Clare North 7.; Clare County Library
- Twigge Collections, Add. MSS 39259-39270, historical, topographical and genealogical collections relating to Clan Chuiléin "Macnamara's Country" in east Clare. Microfilm copies in Local Studies Centre, Clare County Library, Ennis.; British Library
Contemporary printed sources
- ''GRIFFITH'S VALUATION OF IRELAND'[Primary Valuation of Tenements]', 1850-1858. : Ballyvaghan Union, 10
- LEWIS, Samuel. ''A Topographical Dictionary of Ireland''. London: S. Lewis & Co., 1837: I, 282
- PARLIAMENTARY PAPERS. ''Return of owners of land of one acre and upwards, in the several counties .... in Ireland''. HC 1876, LXXX: 112
Modern printed sources
- WEIR, Hugh W. L. ''Historical, Genealogical and Architectural notes on some Houses of Clare''. Whitegate, county Clare: Ballinakella Press, 1999. : 135-136
- ''The Irish Genealogist'': O’BRIEN, P.I.D. The O’Briens of Glencolumbkille, An Extant Family. VII (1986-1989), 51-53
- ''Irish Times'': Land Judges' Court sale notice reports 4 June 1887, p.3. 23 March 1889, p.3.