Dauí Iarlaithe mac Maithni (flourished circa 500) was a King of Iarmuman (west Munster) from the

Eóganacht Locha Léin __NOTOC__ Eóganacht Locha Léin or Uí Cairpre Luachra were a branch of the ruling Eóganachta of Munster. Their territory was in Iarmuman or West Munster. Luachair (Lúachra) is the old name of a large district on the borders of Co Cork, Kerry a ...

branch of the Eoganachta, the ruling dynasty of Munster. He was the grandson of the founder of this branch of the dynasty, Coirpre Luachra mac Cuirc.Byrne, Table 15 He has also been considered a possible

King of Munster The kings of Munster () ruled the Kingdom of Munster in Ireland from its establishment during the Irish Iron Age until the High Middle Ages. According to Gaelic traditional history, laid out in works such as the ''Book of Invasions'', the earli ...

. A genealogical tract states that he succeeded his father Maine mac Coirpri in the stewardship of Iarmuman. However he refused to pay his dues to

Cashel Cashel (an Anglicised form of the Irish language word ''Caiseal'', meaning "stone fort") may refer to: Places in Ireland *Cashel, County Tipperary **The Rock of Cashel, an ancient, hilltop fortress complex for which Cashel is named ** Archbishop ...

and war broke out between him and his cousin,

Óengus mac Nad Froích Óengus mac Nad Froích (430-489) was an Eoganachta and the first Christian King of Munster The kings of Munster () ruled the Kingdom of Munster in Ireland from its establishment during the Irish Iron Age until the High Middle Ages. Accordi ...

(died 489), the King of Munster. Eventually Dauí Iarlaithe managed to acquire the kingship of Munster.Byrne, pg.194 He is however not mentioned in the king lists nor the annals which give the succession to the sons of Óengus. As King of Munster he is said to have fought with the Uaithni tribe of the Loch Derg area. His reign begins the establishment of a semi-independent Kingdom of Iarmuman from that at Cashel. Some of his descendants such as his great-grandson Áed Bennán mac Crimthainn (died 618) may have been kings of all Munster.

Notes

References

* Byrne, Francis John (2001), Irish Kings and High-Kings, Dublin: Four Courts Press, Kings of Iarmuman Kings of Munster 6th-century Irish monarchs {{Ireland-royal-stub