Fir Craibe is a branch of the Fir Ol nEchmacht

Fir Ol nEchmacht

Fir Ol nEchmacht was the name of a group or race of people living in pre-historic Ireland. The name may be translated as Fir=men; Ol =race, people; nEchmacht=the given name of the people....

, one of the ancient peoples of Ireland

Ireland

Ireland is an island to the northwest of continental Europe. It is the third-largest island in Europe and the twentieth-largest island on Earth...

.

The kingdom of the Fir Craibe extended from Limerick to the Palace of Fidach, a place thought to be located in north-eastern Aidhne

Aidhne

Aidhne also known as, Uí Fhiachrach Aidhne, Maigh Aidhne / Maigh nAidhne was the territory of the Ui Fiachrach Aidhne, a tuath located in the south of what is now County Galway in the south of Connacht, Ireland. Aidhne is coextensive with the present diocese of Kilmacduagh...

. In later centuries the territory south of Aidhne, Thomond

Thomond

Thomond The region of Ireland associated with the name Thomond is County Clare, County Limerick 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...

, would be annexed by Munster

Munster

Munster is one of the Provinces of Ireland situated in the south of Ireland. In Ancient Ireland, it was one of the fifths ruled by a "king of over-kings" . Following the Norman invasion of Ireland, the ancient kingdoms were shired into a number of counties for administrative and judicial purposes...

, which it is still counted as part of.

Sources

• "Foras Feasa Éireann", Geoffrey Keating
  Geoffrey Keating
  Seathrún Céitinn, known in English as Geoffrey Keating, was a 17th century Irish Roman Catholic priest, poet and historian. He was born in County Tipperary c. 1569, and died c. 1644...
  
  , 1636.
• "Leabhar Mor nGenealach", Dubhaltach MacFhirbhisigh, 1649-1666.
• "Ogyia", Ruaidhri O Flaithbheartaigh
  Ruaidhri Ó Flaithbheartaigh
  Ruaidhri Ó Flaithbheartaigh, King of Iar Connacht and Chief of the Name, fl. 1244-1273.-Biography:Ruaidhri was a brother of the preceding chief, Morogh...
  
  , 1684.
• "The History of Mayo", T.H.Knox, 1908.