Pope Liberius (36º): Biography, Pontificate & Legacy
Pontificate: 17 May 352 –24 September 366
Liberius was the 36th pope of the Catholic Church, reigning 17 May 352 –24 September 366 during the apostolic and patristic Church. Earliest pope not canonized by the Latin Church.
Who Was Pope Liberius?
This biography of Liberius (36º) covers background, major events, and legacy in the line of St. Peter. During the apostolic and patristic Church, the Bishop of Rome exercised teaching, sanctifying, and governing authority for the universal Church.
Early Life & Background
Born Rome, Italy, Roman Empire, he entered a world shaped by politics and piety very different from today's global Church.
Historical Context
Liberius shepherded the Church when Christianity was still an outlawed or barely tolerated faith in the Roman Empire. Papal records from this era are scarce, but tradition and archaeology preserve the memory of these earliest successors of St. Peter.
Pontificate & Key Events
The pontificate (17 May 352 –24 September 366) centered on governance during the apostolic and patristic Church. Banished by the Arian-leaning Emperor Constantius II and later yielding to him. Revered as a saint in Eastern Christianity, with a feast day of 27 August.
Papal Acts & Achievements
Liberius left a distinct mark through decisions that historians still debate and Catholics still study. His reign contributed to the continuous apostolic succession now numbering 267 popes.
Key Highlights
- 36th pope of the Catholic Church
- Pontificate: 17 May 352 –24 September 366
- Earliest pope not canonized by the Latin Church.
- Revered as a saint in Eastern Christianity, with a feast day of 27 August.
Legacy in the Catholic Church
Liberius remains pope 36º in the Annuario Pontificio. Read against the apostolic and patristic Church, his pontificate shows how Providence works through imperfect ministers without abandoning the Barque of Peter.
Why Catholics Study This Pope Today
Studying Liberius helps Catholics see how the Holy Spirit guided the Church through the apostolic and patristic Church — with human weakness and grace intertwined. Place this pope in context using our chronological list of all 267 popes and the biographies of his immediate predecessor and successor linked below.
Place in the Line of Succession
Liberius followed Pope St. Julius I (35º) in the unbroken line of apostolic succession from St. Peter. Upon his death or resignation, he was succeeded by Pope St. Damasus I (37º), who continued the mission of shepherding the universal Church. Explore the full chronological chain in our complete list of all 267 popes, or read the biographies of neighboring pontiffs linked below.