Cormac (Cas) mac Ailella Óloimm

son of Ailill Ólomm and brother of Éogan, the eponymous ancestor of the Éoganachta. His appearance in the sources or that of his epithet Cas(s) has been related to the rise of the Dál Cais in the tenth century at the expense of the Éoganachta: by grafting an ancestor of their own to the Éoganacht genealogy, it sought to bolster rival claims to the kingship of Munster.
See also: Éogan Mór mac AilellaÉogan Mór mac Ailella
Éogan Mór, Éogan mac Ailella
(time-frame ass. with Éogan Mór mac Ailella)
Eponymous ancestor of the Éoganachta of Munster; son of Ailill Ólomm, king of Munster
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Dál CaisDál Cais
Entry reserved for but not yet available from the subject index.

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Ailill ÓlommAilill Ólomm
Ailill Aulom
(time-frame ass. with Irish legendary history)
king of Munster; reputed ancestor of the Éoganacht and Dál Cais; a prominent figure in various king-tales, such as those revolving around the Battle of Mag Mucrama.
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