Eóganacht Chaisil

Eóganacht Chaisil were a branch of the Eóganachta, the ruling dynasty of Munster between the 5th and 10th centuries.

They took their name from Cashel (County Tipperary) which was the capital of the early Catholic kingdom of Munster.

Cenél Fíngin descended from Fíngen mac Áedo Duib (d. 618) and became the O'Sullivans and MacGillycuddys.

Clann Faílbe descended from Faílbe Flann mac Áedo Duib (d. 639) and became the MacCarthy dynasty, rulers of the Kingdom of Desmond following their displacement by the Normans.

Kings of Cashel and Munster from the Eóganacht Chaisil were: See Annals of Inisfallen (AI)

The Baptism of the King of Cashel by St Patrick , painted by James Barry , c. 1780s. Óengus mac Nad Froích was the progenitor of the Eóganacht Chaisil.