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Saint

Peirio

A saint of Wales, venerated on the isle of Anglesey.

Era
6th century

Life

Saint Peirio was a Welsh saint of the 6th century, a son of King Caw of Strathclyde. In 605 he founded a church at Rhosbeirio on the island of Anglesey in north Wales.

His church was described in 1861 by Harry Longueville Jones as one of the humblest ecclesiastical buildings in Anglesey, with no architectural features of note. No other details of his life are preserved. He is honored as a saint of the undivided Church, in the old Welsh calendars.