A convert, he was baptized by and became a spiritual student of Saint Colman. Monk. Trained as an evangelist by Saint Diomma of Kildimo. Worked in Ireland before the arrival of Saint Patrick. Pilgrim to Rome, Italy. First bishop of Ardmore, Waterford, Ireland. Known as a miracle worker.
- “Saint Declan of Ardmore“. CatholicSaints.Info. 11 October 2015. Web. 25 September 2016. <>