Bolcan (or Olcan) - Biblical Cyclopedia
www.biblicalcyclopedia.com/B/bolcan-(or-olcan).html
Bolcan (or Olcan) from the McClintock and Strong Biblical Cyclopedia. ... Bishop of Derkan or Airthir-muge, lived about A.D. 440, in the north of Ulster. ... His day in the calendar is Feb. 20. 2. In speaking of St. Bolcan, Colgan (Acta Sancto rum, p. ... says there is another saint in Ireland called Bolcan, who is venerated in the ...The Book of Saints: - Google Books Result
https://books.google.co.uk/books?id=hpfmCgAAQBAJ
Saint Augustine's Abbey, Aeterna Press - 2015 - Religion
(Feb.
23) (7th cent.) A Prior of Melrose Abbey and successor there of Abbot
Eata. ... him to study in France, he was subsequently by the same Saint
consecrated Bishop of Derkan in the North of Ireland. ... Another St. Bolcan is venerated in the parish of KillChule in the Diocese of Elphin. He is known as St. Olcan of Kilmoyle.