'' '''Eochaid mac Domnaill''' (diedbás 572), also '''Eochaid Find''' ("the fair"), was an Irish king who is included in some lists as a [[HighArd-Rí Kingna of IrelandhÉireann]]. He was the son of [[DomnallDomhnall mac Aodha|Domhnall IlchelgachIlchealgach]] (diedbás 566) and grandson of [[Muirchertach mac Muiredaig|Muircheartach mac Muireadaigh]] (diedbás 534), also considered high kingsArd-Ríthe.<ref>T.M. Charles-Edwards, ''Early Christian Ireland'', AppendixAguisín V</ref> He was a member of the [[CenélCineál nEógainEoghain]] branch of the northern [[Uí Néill]]. He ruled in Ailech[[Aileach]] from 565 to 571.<ref>heHe is given a reign of 6 years in the ''[[Laud Synchronisms610|Sioncronachtaí Laud]]''</ref>
''The high kingship of Ireland rotated between the Cenél nEógain and [[CenélCineál ConaillChonaill]] branches in the late 6th6ú centuryhaois.<ref>Charles-Edwards, pgll. 494-495</ref> Eochaid Eochaidh ruled jointly with his uncle [[Báetán mac Muirchertaig|Baotán mac Muircheartaigh]] (diedbás 572) from 569.<ref>theyThey are given a reign of three years in the ''Book[[Leabhar of Leinster''Laighneach]] and one year in the ''LaudSioncronachtaí SynchronismsLaud''.</ref> The middle Irish king lists have misplaced their reign putting it earlier than the annalistic tradition but other king lists have them in the correct order.<ref>Charles-Edwards, pgll. 484-487</ref> They are also omitted from the earliest list of Kings of Tara, the ''[[Baile ChuindChuinn Chétchathaig|Buile Choinn]]'' (The Ecstasy of Conn), a late 7th7ú-century Irishhaois poem. It is possible that the Ulaid king, [[Báetán mac Cairill|Baotán mac Cairill]] (diedbás 581), was the actual high king at this time.<ref>Francis J.Byrne, ''Irish Kings and High-Kings'', pglch. 114</ref>
InSa bhliain 572, thecloíodh twoagus kingsmaraíodh werean defeatedbheirt andríthe slain byag Crónán mac TigernaigTiarnaigh, king of therí [[CianachtaCiannachta|Chiannachta GlennGhleann GeiminGheimhin]] in modern ([[CountyContae LondonderryDhoire]] an lae inniu).<ref>''Annals[[Annála of Ulster''Uladh]], AU 572.1;</ref><ref>[[Annála ''Annals of Tigernach''Tiarnaigh]], AT 571.1</ref>
