All of these Saints lived between the 4th and the 8th centuries A.D., so they are venerated by both Orthodox Catholics and Roman Catholics.
St. Ethne and Fedelm_______January 11
St. Ita (Ide)______________January 15
St. Canair_________________January 28
St. Maedoc_________________January 31
St. Brigit_________________February 1
St. Patrick________________March 17 (an Orthodox icon of this Saint can be found here)
St. Brendan________________May16 (read my post about him)
St. Coemgen (Kevin)________June 3
St. Columba (Columcille)___June 9
St. Aidan__________________August 31
St. Ciaran_________________September 9
St. Findbarr_______________September 25
St. Samthann_______________December 19
Sellner, E.C., "Wisdom of the Celtic Saints", Ave Maria Press, Indiana, USA, 1998.
Warren, F.E., "The Liturgy and Ritual of the Celtic Church", The Boydell Press, Great Britain, 1987.
Cross-posted from my LJ to celtichristian, holy_island, orthodoxy