Bishop of Arethusa, Mount Lebanon. Attended the 351 synod at Sirmium where he produced a creed that got him falsely labelled an Arian. He was struck from the Roman Martyrology for years, but research by the Bollandists vindicated him and restored his name to the roles.
- Book of Saints, by the Monks of Ramsgate
- Catholic Online
- Lives of the Saints, by Father Alban Butler
- Our Sunday Visitor’s Encyclopedia of Saints
- Santi e Beati
- “Saint Mark of Arethusa“. Saints.SQPN.com. 10 February 2014. Web. 18 December 2014. <>