Irenaeus (Greek: Εἰρηναῖος) (late 2nt century – died c. AD 202), an aa referred tae as Saunt Irenaeus, wis Bishop o Lugdunum in Gaul, then a pairt o the Roman Empire (nou Lyon, Fraunce). He wis an early Kirk Faither an apologist, an his writins war formative in the early development o Christian theology. A resident o Smyrna, he heard the preachin o St. Polycarp,[1] a disciple o St. John the Evangelist.[2]

Saint Irenaeus
Saint Irenaeus.jpg
An engravin o St Irenaeus, Bishop o Lugdunum in Gaul (nou Lyons, Fraunce)
Bishop and Martyr
BornAD 130
Smyrna in Asie Meenor (modren-day İzmir, Turkey)
Dee'dAD 202 (aged 72)
Lugdunum in Gaul (modren-day Lyons, Fraunce)
Veneratit inRoman Catholic Kirk an Eastren Catholicism
Assirian Kirk o the East
Eastren Orthodox Kirk
Lutheran Kirk
Oriental Orthodox Kirk
Anglican Communion
FeastJuin 28 (Roman Catholic Kirk, Anglican Communion); August 23 (Eastren Catholic, Orthodox an Oriental Kirks)


  1. Eusebius of Caesarea, Ecclesiastical History Book v. Chapter v.
  2. A. Poncelet, "Irenaeus, Saint" Catholic Encyclopedia 1917 (Catholic Answers)