Marcán, 10th King of Uí Maine, died 556. Marcán was the first of two semi-historical kings who reigned subsequent to that of the first attested king of Uí Maine,

Maine mac Cearbhall Maine mac Cearbhall, great grandson of Niall of the Nine Hostages, died 531 or 538. The brother of Diarmait mac Cerbaill, future High King of Ireland. Maine's great grandfather was Niall of the Nine Hostages, making Maine an Ui Neill. Maine's de ...

. Marcán appears to be unique among the dynasty in that he is not recorded in the genealogies, nor are there any families known to claim descent from him. Only one other king of Uí Maine,

Marcán mac Tommáin Marcán mac Tommáin (died 653) was the 15th king of the Uí Maine. In his time the Uí Maine were allied and subject to the Ui Fiachrach Aidhne, a branch of the Connachta. They were ruled by Guaire Aidne mac Colmáin. The annals record that ...

(slain 653), bore his name, but their relationship is uncertain.

References

* ''Annals of Ulster'' a
CELT: Corpus of Electronic Texts
a
University College Cork
* ''Annals of Tigernach'' a

a
University College Cork
of McCarthy's synchronisms at

Trinity College Dublin , name_Latin = Collegium Sanctae et Individuae Trinitatis Reginae Elizabethae juxta Dublin , motto = ''Perpetuis futuris temporibus duraturam'' (Latin) , motto_lang = la , motto_English = It will last i ...

. * Byrne, Francis John (2001), Irish Kings and High-Kings, Dublin: Four Courts Press, Nobility from County Galway Nobility from County Roscommon 6th-century Irish monarchs Kings of Uí Maine {{Ireland-royal-stub