Doctor of the Church · Feast June 28
Saint Irenaeus of Lyon
Doctor of the Church, patron of against heresy · Feast June 28
Biography
Saint Irenaeus (c. 130-202), Bishop of Lyon and Doctor of the Church, was a disciple of Saint Polycarp and a great defender of the faith against Gnosticism. His work Against Heresies upholds apostolic tradition and the rule of faith. Named 'Doctor of Unity' by Pope Francis in 2022, he taught that 'the glory of God is man fully alive.'
Feast day
June 28
Patronage
- against heresy
- Church unity
Canonization status
Canonized
Feast month
6
Feast day of month
28