Ephysius of Sardinia (250?-303?) is a Christianmartyr. Nothing is known of his life, except his martyrdom. He is the patron of Pisa and Sardinia. He is especially revered in the city of Cagliari, Sardinia, while his relics lie at Pisa.
Sources
Rabenstein, Katherine I. (1998) St. Patrick Catholic Church - Saint of the Day[1]