Cináedh mac Coscrach, Abbot of Aghaboe and bard, died 874.
The Annals of the Four Masters contain a verse commemorating him.
Great grief is Cinaedh the revered chieftain, son of Cosgrach of beaming countenance, The gifted torch, enraptured Bard, the exalted Abbot of Achadh Bo.
External links http://www.ucc.ie/celt/published/T100005A/