Herveus (Hervé) June 17 + c 575. Blind from childhood, he was born in Wales but was taken when very young to Brittany. Though blind, he became Abbot of Plouvien, from where he moved with some of his monks to Lanhouarneau.
Hywyn Jan 6 + 516. Probably a companion of St Cadfan on his return journey from Brittany to Cornwall and Wales. By tradition he founded Aberdaron in Gwynedd.
Illtyd (Illtut) Nov 6 + c 505. One of the most famous saints in Wales. He became a monk with St Cadoc and later founded the monastery of Lian-IlItut or Llantwit, from where came most of the Welsh saints of that period. By tradition he reposed in Brittany.
Ismael June 16 6th cent. A disciple of St Teilo in Wales, he was consecrated bishop by him.
Justinian (Iestin) Dec 5 6th cent. Born in Brittany, he became a hermit on the Isle of Ramsey off the coast of south Wales, where he was murdered by evildoers and then venerated as a martyr.
Kenneth (Kined) Aug 1 6th cent. A hermit who made his cell among the rocks in the Gower peninsula in Wales at a place later called Llangenydd after him.
Kigwe (Kewe, Ciwa) Feb 8 6th or 7th cent. A saint venerated in Gwent in Wales.
Lawdog Jan 21 6th cent. Four churches are dedicated to him near St David's in Wales.
Leonorious (Lunaire) July 1 + c 570. A son of Hoel, King of Brittany, but born in Wales and consecrated bishop by St Dyfrig. Once in Brittany, then ruled by his brother Hoel II, he founded the monastery of Pontual, near Saint Malo.
Levan June 8 6th cent. Perhaps from Wales, he came to Cornwall and gave his name to St Levan.
Lleudadd (Laudatus) Jan 15 6th cent. Abbot of Bardsey in Wales, he accompanied St Cadfan to Brittany.
Llewellyn (LLywelyn) and Gwrnerth Apr 7 6th cent. Monks from Wales who lived in Welshpool and later on Bardsey.
Llibio Feb 28 6th cent. The patron-saint of Llanlibio in Anglesey in Wales.
Mabyn Sept 21 6th cent. Born either in Wales or else in Cornwall, he preached Christ with St Teilo.
Mael (Mahel) May 13 6th cent. A disciple of St Cadfan with whom he crossed from Brittany to Wales. He lived as a hermit on the Isle of Bardsey.
Maelrhys Jan 1 6th cent. A saint of the Isle of Bardsey in Wales, probably born in Brittany.
Maglorius (Maelor) Oct 24 + c 575. Maglorius was born in south Wales but went to Brittany with St Samson. Here they became abbots of two monasteries, St Samson at Dol and St Maglorius at Lammeur. St Samson became Bishop of Dol and on his repose was succeeded by St Maglorius, who finally crossed to the Channel Islands and built a monastery on Sark where he reposed.
Maidoc (Madoc) Feb 28 6th cent. A sixth century bishop. Llanmadog in Wales was named after him.
Melangell (Monacella) May 27 + c 590. A holy virgin who lived as an anchoress in Powys in Wales.Her shrine is in Pennant Melangell.
Manakus (Manaccus) Oct 14 6th cent. Abbot of Holyhead in Wales, he was connected with St Cuby. He appears to have reposed in Cornwall and Manaccan (Minster) near Falmouth is said to owe its name to him.
Merinus Jan 6 6th cent. A disciple of Dunawd at Bangor in Wales and venerated there and in Brittany.
Meugant (Mawghan, Morgan) Sept 26 6th cent. A disciple of St Illtyd who lived as a hermit and reposed on the Isle of Bardsey in Wales. Several churches in Wales and Cornwall are dedicated to him.
Mochta (Mochteus) Aug 19 6th cent. Possibly born in Wales, he founded the monastery of Louth in Ireland.
Modomnock (Domnoc, Dominic) Feb 13 + c 550. A disciple of St David in Wales and later a hermit in Tibraghny in Ireland.
Mawes (Maudetus, Maudez) Nov 18 ? 6th cent. Born in Wales, he lived as a hermit near Falmouth in Cornwall, where a village is named after him. Later he went to Brittany where he is known as St Maudez and where many churches are dedicated to him.
Nectan June 17 6th cent. Born in Wales, he is the patron saint of Hartland in Devon, now in England, where he was a hermit.
Pabo Nov 9 + c 510. After life as a soldier in Scotland, he came to Wales and in Anglesey founded the monastery later called Llanbabon after him.
Paulinus (Polin, Pewlin, Paulhen) Nov 23 + c 505 (?) An abbot in Wales and disciple of St Illtyd, he founded the monastery of Whitland where St David and St Teilo were among his disciples.
Petroc (Petrock, Pedrog, Perreux) June 4 + c 594. Born in Wales, he studied in Ireland and settled in Cornwall, where he was very active. He founded a monastery at a place called after him, Petrocstow (Padstow), and another at Bodmin where he reposed.
Sadwrn (Sadwen) Nov 29 6th cent. Brother of St Illtyd and disciple of St Cadfan. A number of churches in Wales are dedicated to him.
Samson (Sampson) July 28 c 490-c 565. Born in Wales, he became a disciple of St Illtyd at Llantwit Major and then for a time was monk and abbot of the monastery on Caldey Island. He left Caldey and visited Ireland. Then he went to Cornwall and was consecrated bishop by St Dubricius. Finally he crossed to Brittany and spent the rest of his life enlightening that country, basing himself at Dol. He was one of the greatest missionaries of his century.
Sawl Jan 15 6th cent. The father of St Asaph of Wales.
Schotin (Scarthin) Jan 6 6th cent. While still a youth, Schotin left Ireland to become a disciple of St David in Wales. On his return to his native country he lived as a hermit on Mt Mairge in Leix for many years.
Seiriol Feb 1 6th cent. A saint whose name is recalled by the island of Ynys-Seiriol (Puffin Island) off Anglesey in Wales where remains of his small monastery still exist.
Teio (Teilio, Teilus, Thelian, Teilan, Teiou, Teliou, Dillo, Dillon) Feb 9 6th cent. Probably born in Penally near Tenby in Wales. He was a disciple of St Dyfrig and a friend of Sts David and Samson. He founded Llandaff monastery (Landeio Fawr) in Dyfed where he was buried.
Trillo (Drillo, Drel) June 15 6th cent. Patron saint of two places in Gwynedd in Wales.
Tudno June 5 6th cent. Llandudno in Wales is named after him.
Tudwal (Tugdual) Nov 30 + c 564. A monk from Wales who went to Brittany and became Bishop of Tréguier. Three places in the Lleyn Peninsular in Gwynedd recall him and his relics are still honoured in Tréguier.
Tydecho Dec 17 6th cent. Brother of St Cadfan in Wales. He and his sister lived in Gwynedd. Several churches are dedicated to him.