Tuathal Ua Connachtaig (known in

Latin Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...

as Thaddaeus) was an Irish bishop in the 12th century. He was present at the

Synod of Kells The Synod of Kells (, ) took place in 1152, under the presidency of Giovanni Cardinal Paparoni, and continued the process begun at the Synod of Ráth Breasail (1111) of reforming the Irish church. The sessions were divided between the abbeys o ...

in March 1152. He took the oath of fealty to

Henry II Henry II may refer to: Kings * Saint Henry II, Holy Roman Emperor (972–1024), crowned King of Germany in 1002, of Italy in 1004 and Emperor in 1014 *Henry II of England (1133–89), reigned from 1154 *Henry II of Jerusalem and Cyprus (1271–1 ...

in 1172 as Bishop of Kells, but is more often recorded as

Breifne The Kingdom of Breifne or Bréifne (), anglicized as Breffny, was a medieval overkingdom in Gaelic Ireland. It comprised what is now County Leitrim, County Cavan and parts of neighbouring counties, and corresponds roughly to the Roman Catho ...

."Medieval Ireland: An Encyclopedia" Seán Duffy,S/ MacShamhráin,A/ Moynes, J: Abingdon,

Routledge Routledge ( ) is a British multinational corporation, multinational publisher. It was founded in 1836 by George Routledge, and specialises in providing academic books, academic journals, journals and online resources in the fields of the humanit ...

, 2005

References

1288 deaths 12th-century Roman Catholic bishops in Ireland Bishops of Kells Bishops of Kilmore {{Ireland-RC-bishop-stub