Catholic Encyclopedia: St. Aedan of Ferns
St. Aedan of Ferns, also called Aedhog, Moaedhog, or Mogue. First bishop of Ferns. This article says he died in 632.
Catholic Encyclopedia: St. Maedoc
St. Maedoc, first bishop of Ferns, d. 626. Feast day 31 January. Also known as St. Aidus, Aeddan Foeddog, Moedhog, Mogue, or Hugh.
For All the Saints
Biographical profile of St. Aidan of Ferns. Variants on the saint's name include: Aedan, Aedh, Maedoc-Edan, and Moedoc. ("Maedoc" means "my dear Aedh").
St. Aeddan
Short hagiography of the sixth-century monk.