Saint Cybi of Caenarvon

stained glass window of Saint Cybi, date unknown, artist unknown; church porch, Eglwys Beuno Sant Penmorfa, Gwynedd, Wales; photographed on 17 June 2007 by Alan Fryer; swiped from Wikimedia CommonsAlso known as

  • Cuby
  • Gybi
  • Kebius
  • Kybi



May have been the son of Saint Selevan; may have been the cousin of Saint David of Wales. Itinerent hermit, evangelist, monk and abbot. Found of the monastery of Caer Gybi (Cybi’s Fort) at Holyhead, Anglesey, Wales, located within the walls of an ancient Roman fort, and is still venerated there. Missionary bishop to the area around the monastery. Friend of Saint Seiriol. Many exaggerated stories grew up around him.




Additional Information

MLA Citation

  • “Saint Cybi of Caenarvon“. CatholicSaints.Info. 11 August 2020. Web. 20 June 2021. <>