Cormac Ó Curnín who died in 1475 was an Irish poet.
Ó Curnín was a member of a brehon literary family of Breifne.
His death was recorded in Annals of the Four Masters in the year 1475 with the statements:
"Cormac O'Cuirnin, Preceptor of the learned of Ireland ... died".
See also
Ruaidrí Ó Curnín, died 1496 Conor Carragh Ó Curnín, died 1498 Ferceirtne Ó Curnín, died 1519 Domhnall Glas Ó Curnín, died 1519
References https://www.ucc.ie/celt/published/T100005D/ http://www.irishtimes.com/ancestor/surname/index.cfm?fuseaction=Go.&UserID=