Template:Use dmy dates Template:More footnotes Aoi Mac Ollamain or Ai Mac Ollamain (also Mac Ollamo and Mac Ollavain<ref name="Matson">Matson, Gienna: Celtic Mythology A to Z, page 2. Chelsea House, 2004. Template:ISBN</ref>) is a god of poetry and one of the Tuatha Dé Danann in Irish mythology. Ai is the son of Olloman, who saved him from the king's decree that Aoi be killed, a decree made in response to a druid's prediction that Aoi would be born with special powers.<ref name="Matson"/>