About Canna
Canna was a Welsh nun and religious leader.
Canna was a sixth-century mother of saints and later a nun in south Wales, to whom two Welsh churches are dedicated.
Life According to the writings of the unreliable Iolo Morganwg, Canna was a daughter of King Tewdwr Mawr of Armorica (modern-day Brittany) and Cornwall. She was the mother of Crallo and Elian.
Canna was reputedly the sister-in-law and cousin of Illtud, and possibly established the church at Llangan, near Llantwit, due to its proximity to him. She married Sadwrn, her first cousin or uncle; together they accompanied Saint Cadfan to Britain and founded two churches, one in Carmarthenshire and another in Anglesey.
Veneration St Canna's Church, CarmarthenshireAt St Canna's Church in Carmarthenshire, there was a holy well below the old church called Ffynnon Ganna, whose water was believed to have curative properties and was a site of pilgrimage for many centuries. The holy well is no longer extant. There was also a stone known as Canna's Chair, with an undated inscription possibly reading CANNA, in a field near the churchyard.
Canna's feast day is celebrated on 25 October.
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Important facts
Family & relationships
Frequently asked questions
Who was Canna?
6th-century female Welsh saint
When was Canna born?
Canna was born in Wales.
When did Canna die?
Canna died in Wales.
What was Canna's occupation?
Canna was a nun and religious leader.
What nationality was Canna?
Canna was Welsh.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Canna. https://biography.guide/canna-nun/
MLA: "Canna." Biography.guide, https://biography.guide/canna-nun/.
Chicago: "Canna." Biography.guide. https://biography.guide/canna-nun/.
Data last updated: 2026-09-26 · Spot an error? Report a correction.
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