- Mairtin O Briain
Oisín [Ossian] (supp.fl. 3rd–5th cent.), legendary hero, was the son of Fionn mac Cumhaill in the Fenian or Ossianic cycle of tales and lays that belongs to the Gaelic literary and oral traditions of Ireland and Scotland. He was assigned a floruit in the third century ad by medieval Irish scholars whose chronology of events connected with the pseudo-historical ...