About Cadfan
Lived 530 – 590 (aged 59–60). Cadfan was a Welsh catholic priest.
Cadfan , was the 6th century founder-abbot of Tywyn (whose church is dedicated to him) and Bardsey, both in Gwynedd, Wales. He was said to have received the island of Bardsey from Einion Frenin, king of Llŷn, around 516 and to have served as its abbot until 542.
Life and legacy Most of the information we have about Cadfan is from the awdl by Llywelyn the Bard in the 12th century. According to this he sailed from Brittany to Tywyn with 12 other saints, although some suggest that they came instead from Llanilltud Fawr.
A Breton nobleman, he was said to be the son of Eneas Ledewig (Aeneas of Brittany) and Gwen Teirbron (Gwen Three Breasts), daughter of Budic II of Brittany. He was a cousin of Saint Derfel.
He journeyed to Britain accompanied by the children of Ithel Hael o Lydaw (of Brittany): Baglan, Flewyn, Gredifael, Tanwg, Twrog, Tegai, Trillo, Tecwyn and Llechid. Other reputed followers include Maël and Ilar. Wade-Evans thought Kentinlau, who accompanied Cadfan to Ceredigion, should be identified with Cynllo. They may have fled the Franks.
At Llangadfan in northern Powys he founded a church before moving on to Bardsey. He also established a clas at Tywyn (traditionally the first such clas in Wales) which became a wealthy site, served by an abbot and clerics from 1147 to 1291, mother church of the cantref of Meirionnydd south of the River Dysynni.
His feast day is 1 November.
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Important facts
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Saint CafanContemporaries
People whose lives overlapped Cadfan's
Frequently asked questions
Who was Cadfan?
Breton and Welsh saint
When was Cadfan born?
Cadfan was born in 530 in Brittany.
When did Cadfan die?
Cadfan died in 590 in Wales.
What was Cadfan's occupation?
Cadfan was a catholic priest.
What nationality was Cadfan?
Cadfan was Welsh.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Cadfan. https://biography.guide/cadfan/
MLA: "Cadfan." Biography.guide, https://biography.guide/cadfan/.
Chicago: "Cadfan." Biography.guide. https://biography.guide/cadfan/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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