Áed Dub mac Colmáin or Áed(h) of Kildare is a former King of Leinster, and an Irish saint, commemorated by Colgan under date of 4 January; but much obscurity attaches to his life-work.
He belonged to the ruling Uí Dúnlainge dynasty of north Leinster; his father was Colmán Már.
[1] Áed was the brother of King Fáelán mac Colmáin.
[2] Under the name of Aidus, a Latinized form of Áed, his name is to be found in several martyrologies.
The year of his death was 639, according to the corrected chronology of the "Annals of Ulster.