Helen O'Brien (Butler), Countess of Thomond

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Helen O'Brien (Butler)

Birthplace: Dedham, Essex, England
Death: Died
Place of Burial: Kilkenny, County Kilkenny, Leinster, Ireland
Immediate Family:

Daughter of Piers Butler, 8th Earl of Ormond and Lady Margaret Butler (Fitzgerald)
Wife of Donnchadh ramhar O'Brien, 2nd Earl of Thomond
Mother of Conchobar O'Brien, 3rd Earl of Thomond and Penelope MacDonnell
Sister of Thomas Butter, of Dedham; Katherine (Butler) Power 'then' FitzGerald; Margaret Bourke; Ellice Fitzgerald; Lady Joan Butler (Butler) and 6 others

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About Helen O'Brien (Butler), Countess of Thomond

Helen Butler, Countess of Thomond was born 1523, Dedham, Essex, England (ALT: 1508) She died on 2 Jul 1597 and is buried at St. Canice's Cathedral, Kilkenny, Ireland. Her married name became O'Brien and she is sometimes known as Ellen.

Parents: youngest daughter of Piers Butler (1467-1539) (8° E. Ormonde) and Margaret FITZGERALD (d. 1542) (C. Ormonde)


  1. around 1533 to Donnchadh "the Fat" MacConchobhair O'Brien (d. 1553), 1st Earl of Thomond, son of Conor O'Brien, Prince of Thomond, and Annabell de Burgh. They had 4 children.


  1. Conchobhar MacDonnchadha O'BRIEN (3° E. Thomond) (b. ABT 1535)
  2. Donnchadha Toirdhealbhach O'BRIEN of Fomerla (b. 1553)
  3. Tadhg MacDonnchadha O'BRIEN
  4. Margaret O'BRIEN



  1. [S1007] Dr. G. Harry McLaughlin, "re: McLaughlin Family," e-mail message from <e-mail address> (Glendale, California, U.S.A.) to Darryl Lundy, 25 January 2004 and 6 April 2004. Hereinafter cited as "re: McLaughlin Family".
  2. [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume III, page 229. Hereinafter cited as The Complete Peerage.


  • libraryireland.com, The Geraldines: The House of Desmond and The House of Kildare, taken from A History of Ireland, by Eleanor Hull, retrieved 23 April 2010
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Helen O'Brien (Butler), Countess of Thomond's Timeline

Dedham, Essex, England
Age 10
Age 12
Clare, County Clare, Munster, Ireland
Age 30
July 2, 1597
Age 74
Kilkenny, County Kilkenny, Leinster, Ireland