5th-century Welsh people

Saint Dwynwen (; ), sometimes known as Dwyn or Donwen, is the Welsh patron saint of lovers. She is celebrated throughout Wales on 25 January.

Saint Tydfil (Welsh: Tudful; martyred ) is the legendary dedicatee of Merthyr Tydfil, Wales. The old parish church of St Tydfil, Merthyr Tydfil, is dedicated to her and is reputed to be the site of her death.

Welsh saint

Adwen or Adwenna is purported to have been a 5th-century Christian virgin and saint. According to historian Nicholas Orme, Adwen was identified in the original tradition as a brother of Nectan of Hartland, but subsequently misclassified by Charles Henderson in the 18th century as female.

5c Welsh saint

thumb|upright=0.75|St Keyne's well, Cornwall