---
title: 'Legends of Wales - Anglesey Saints | CELTICOS'
url: 'https://www.celticos.com/blog/legends-wales-anglesey-saints'
description: "The two main Saints on Anglesey\_King Maelgwn Gwynedd gave Cybi the old Roman fort at Holyhead (subsequently known, in Welsh, as Caer Gybi, \"Cybi's Fort\") on Holy Island (thence called Ynys Gybi, \"Cybi's Island\"). He founded a large and important monastery there.\_Seiriol was an early 6th-century saint, who created a cell at Penmon Priory o"
type: article
site_name: Celticos
locale: en_GB
author: Celticos
published: '2017-12-14T10:52:31+00:00'
modified: '2017-12-14T10:52:31+00:00'
image: 'https://www.celticos.com/img/asset/YXNzZXRzL2ZlYXR1cmVkLWltYWdlcy8yMDE3MDgwMV8xMjM4MzNfMV8xLmpwZw/20170801_123833_1_1.jpg?w=440&h=220&fm=webp&fit=crop&q=65&s=6504baf243d99c5f765c943fc9909e32'
---

# Legends of Wales - Anglesey Saints | CELTICOS

# Legends of Wales - Anglesey Saints

![Penmon on Anglesey](https://www.celticos.com/img/asset/YXNzZXRzL2ZlYXR1cmVkLWltYWdlcy8yMDE3MDgwMV8xMjM4MzNfMV8xLmpwZw/20170801_123833_1_1.jpg?w=1440&fm=webp&q=55&s=a17478b53304e2d7f3534f58d8750f15) Penmon on Anglesey  

The two main Saints on Anglesey

King Maelgwn Gwynedd gave Cybi the old Roman fort at Holyhead (subsequently known, in Welsh, as Caer Gybi, "Cybi's Fort") on Holy Island (thence called Ynys Gybi, "Cybi's Island"). He founded a large and important monastery there.

Seiriol was an early 6th-century saint, who created a cell at Penmon Priory on Anglesey, off the coast of North Wales. He later moved to Ynys Seiriol (Puffin Island)

![Penmon on Anglesey](https://www.celticos.com/img/asset/YXNzZXRzL2ZlYXR1cmVkLWltYWdlcy8yMDE3MDgwMV8xMjM4MzNfMV8xLmpwZw/20170801_123833_1_1.jpg?w=748&h=994&fm=webp&fit=crop&q=60&s=dbe1bd352338a8aaf8391d741f4ce234) Penmon on Anglesey  

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