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.
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.
Maine mac Cearbhall
King of Uí Maine
- Annals of Ulster at CELT: Corpus of Electronic Texts at University College Cork
- Annals of Tigernach at CELT: Corpus of Electronic Texts at University College Cork
- Revised edition of McCarthy's synchronisms at Trinity College Dublin.
- Byrne, Francis John (2001), Irish Kings and High-Kings, Dublin: Four Courts Press, ISBN 978-1-85182-196-9
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