Cathal mac Ruaidri Ó Conchobair was a king of the Connachta of western

Ireland Ireland ( ; ga, Éire ; Ulster Scots dialect, Ulster-Scots: ) is an island in the Atlantic Ocean, North Atlantic Ocean, in Northwestern Europe, north-western Europe. It is separated from Great Britain to its east by the North Channel (Grea ...

. The ascension date of Cathal as king of all the Connachta is uncertain, though F.X. Martin assigns it to 1426. He was one of the last of the kings, who were by now reduced to their ancestral lands in County Roscommon. He died on 19 March 1439.

References

* ''Annals of Ulster'' a

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University College Cork
* ''Annals of the Four Masters'' a

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University College Cork
* ''Chronicum Scotorum'' a

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University College Cork
* Byrne, Francis John (2001), ''Irish Kings and High-Kings'', Dublin: Four Courts Press, * ''Gaelic and Gaelised Ireland'', Kenneth Nicols, 1972. {{DEFAULTSORT:O Conchobair, Cathal Mac Ruaidri 1439 deaths People from County Roscommon 15th-century Irish monarchs Infectious disease deaths in Ireland Year of birth unknown