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Kingdom of Thomond

Thomond before the Norman invasion of Ireland
Capital Ennis
Languages Irish
Government Monarchy
 -  1118–1142 Conchobar O'Brien
 -  1539–1543 Murrough O'Brien
 -  Established 1118
 -  Disestablished 1543

Thomond (Irish: Tuadhmhumhain, meaning North Munster, now spelled Tuamhain) is a region of Ireland associated with County Clare, County Limerick, north County Kerry and north County Tipperary; effectively most of north Munster. The name is used by a variety of establishments and organisations located in, or associated with the region. Thomond College of Education, Limerick was a teacher training college in Limerick City, until it was amalgamated with the University of Limerick. Thomond Park in Limerick is the rugby stadium used by the Munster Rugby team. Thomond Villas is the name given to the old army barracks at Clarecastle. The Thomond Bridge was for centuries the only bridge crossing the River Shannon in the ancient walled city of Limerick and still carries the road from the city of Limerick through a district known as Thomondgate.

Historically Thomond was one of the Kingdoms which existed in the island of Ireland before the Norman invasion. One of its notable kings was Brian Boru, ancestor of the O'Brien Clan of Dalcassians.

Territorial extent[edit]

County Clare was sometimes known as County Thomond in the period immediately after its creation from the District of Thomond.[2]

In 1841, an estimation of the extent of the kingdom was undertaken by John O'Donovan and Eugene Curry[3]

"The principality of Thomond, generally called the Country of the Dal-Cais, comprised the entire of the present Co. of Clare, the Parishes of Iniscaltra and Clonrush in the County of Galway, the entire of Ely O'Carroll, the Baronies of Ikerrin, Upper and Lower Ormond, Owney and Arra, and somewhat more than the western half of the Barony of Clanwilliam in the County of Tipperary; the Baronies of Owenybeg, Coonagh and Clanwilliam, and the eastern halves of the Baronies of Small County and Coshlea in the County of Limerick."[4]


Annalistic references[edit]

See Annals of Inisfallen (AI).

  • AI927.3 Repose of Mael Corguis Ua Conaill, bishop of Tuad Mumu.
  • AI953.3 Repose of Diarmait son of Aicher, bishop of Tuad Mumu.
  • AI963.4 A slaughter of the Tuad Mumu on the Sinann, and they abandoned their vessels and were drowned.
  • AI1018.2 Ciarmacán Ua Maíl Chaisil, bishop of Tuadmutnu, rested in Christ.


  1. ^ "O'Brien (No. 1.) King of Thomond".  Retrieved on 26 July 2009.
  2. ^ Luminarium Encyclopedia: Biography of Sir Henry Sidney (1529–1586).
  3. ^ John O'Donovan and Eugene Curry, "Ordnance Survey Letters", Part II. Letters and Extracts relative to Ancient Territories of Thomond, 1841
  4. ^ Clare library, retrieved 21 March 2012.

Further reading[edit]

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