Mac Comhaltan Ua Cleirigh was

King King is the title given to a male monarch in a variety of contexts. The female equivalent is queen, which title is also given to the consort of a king. *In the context of prehistory, antiquity and contemporary indigenous peoples, the tit ...

Uí Fiachrach Aidhne Uí Fhiachrach Aidhne (also known as Hy Fiachrach) was a kingdom located in what is now the south of County Galway. Legendary origins and geography Originally known as Aidhne, it was said to have been settled by the mythical Fir Bolg. Dubhalta ...

, . According to the ''

Annals of the Four Masters The ''Annals of the Kingdom of Ireland'' ( ga, Annála Ríoghachta Éireann) or the ''Annals of the Four Masters'' (''Annála na gCeithre Máistrí'') are chronicles of Middle Ages, medieval Irish history. The entries span from the Flood myt ...

'', ''sub anno'' 998:

''Diarmaid, son of Dunadhach, lord of Sil-Anmchadha, was slain by Mac Comhaltan Ua Cleirigh, lord of Aidhne.''

In the following year, 999, he would as an ally of

Brian Boru Brian Boru ( mga, Brian Bóruma mac Cennétig; modern ga, Brian Bóramha; 23 April 1014) was an Irish king who ended the domination of the High Kingship of Ireland by the Uí Néill and probably ended Viking invasion/domination of Ireland. Br ...

accompanied him on the following expedition:

''A great hosting by Brian, son of Ceinneidigh, with the chiefs and forces of South Connaught, with the men of
Osraige Osraige (Old Irish) or Osraighe (Classical Irish), Osraí (Modern Irish), anglicized as Ossory, was a medieval Irish kingdom comprising what is now County Kilkenny and western County Laois, corresponding to the Diocese of Ossory. The home o ...
and Leinster, and with the foreigners of Ath Cliath, to proceed to Teamhair; but the foreigners set out before them, with a plundering party of cavalry, into Magh Breagh, where Maelseachlainn opposed them; and a spirited battle was fought between them, in which the foreigners were defeated, and only a few of them escaped. Brian afterwards proceeded to Fearta-neimbeadh in Magh-Breagh, but returned back without battle, without plundering, without burning. This was the first turning of Brian and the Connaughtmen against Maelseachlainn.''

References

* ''Irish Kings and High-Kings'', Francis John Byrne (2001), Dublin: Four Courts Press, * ''Annals of Ulster'' a
CELT: Corpus of Electronic Texts
a
University College Cork
{{DEFAULTSORT:Mac Comhaltan Ua Cleirigh Nobility from County Galway 10th-century Irish monarchs