Ffynnon Peris (or Ffynnon y Sant) is a well in Nant Peris named after the saint, who according to tradition, kept two fish there and drank from it daily. The nearby village of Llanberis is also named after Peris, as is Llyn Peris, a lake between Nant Peris and Llanberis.[3]
His feast day is 11 December. Saint Peris is the patron saint of Llanberis.[4]
Saint Cian
Saint Cian was a soldier, who later became Perin's servant. He ended his life as a hermit in Caernarfonshire, Wales.[5] A church dedicated to Saint Cían is located in Llangian, Gwynedd.[6] His feast day also falls on 11 December.
References
^Baring-Gould, Sabine (1907). Lives of the British Saints.