Tags: Saint.
Declán of Ardmore (Irish: Declán mac Eircc Latin: Declanus died 5th century) also called Déclán or Declan was an early Irish saint of the Déisi Muman who was remembered for having converted the Déisi in the late 5th century and for having founded the monastery of Ardmore (Ard Mór) in what is now Co. Waterford. The principal source for his life and cult is a Latin Life of the 12th century.