Oisin was regarded as the greatest poet of Ireland and a warrior in the Ossianic or Fenian Cycle of the Irish side of Celtic Mythology. He is the narrator of many of the poems attributed to him and is believed to the be the son of Fionn Mac Cumhaill and Sadhbh who in turn was the daughter if Bodb Dearg. The neame Oisin name translates to “young deer”.