Bishop of Sirmium, Pannonia (modern Sremska Mitrovica, Serbia). Arrested and tortured in the persecutions of Diocletian, he refused to sacrifice to pagan gods. Ordered drowned for his faith, he objected that as a Christian he should be allowed to bravely face his tormentors and executioners; with God on his side he should be treated as courageous and honourable. Martyred. His Acta has survived to today.
- Book of Saints, by the Monks of Ramsgate
- Lives of the Saints, by Father Alban Butler
- Our Sunday Visitor’s Encyclopedia of Saints
- “Saint Irenaeus of Sirmium“. Saints.SQPN.com. 24 March 2014. Web. 23 August 2014. <>