23/05/2026
Differences Between the Old Catholic Church and the Roman Catholic Church
The Old Catholic Church and the Roman Catholic Church share a long Christian history and many similar traditions, especially in worship, sacraments, and church structure. Both trace their roots to the early Church and keep practices such as the Eucharist, apostolic succession, and liturgical worship. However, clear differences developed over time, mainly after the First Vatican Council in 1870.
One of the biggest differences is the question of papal authority. The Roman Catholic Church upholds that the Pope has universal authority over the Church and can speak infallibly on matters of faith and morals. The Old Catholic Church does not accept papal infallibility or universal papal jurisdiction. Instead, it gives greater authority to councils of bishops and local church leadership.
Another important difference is church governance. The Roman Catholic Church has a more centralized structure, with final authority resting in the Vatican. The Old Catholic Church follows a more synodal system, where bishops, priests, and lay members all take part in decision-making. This creates a more shared style of leadership.
The Old Catholic Church and the Roman Catholic Church also differ in some teachings and pastoral practices. In the Roman Catholic Church, priestly celibacy is required. The Old Catholic Church allows married priests.
Despite these differences, they continue to value the sacraments, and historic Christian worship. They also maintain episcopal leadership through bishops and preserve many ancient liturgical traditions.
The relationship between the Old Catholic Church and the Roman Catholic Church has at times been distant, but there have also been periods of dialogue and cooperation. While they are not in communion with one another, conversations between theologians and church leaders have continued over the years in an effort to improve understanding.
The difference between the Old Catholic Church and the Roman Catholic Church is mainly about authority, governance, and how certain teachings are understood and applied in modern church life. Yet both remain connected by a shared Christian heritage that reaches back many centuries.
“One Faith, One Lord, One Baptism.”
It is important to note that the Old Catholic Church and the Roman Catholic Church are not enemies. So why do members—and even clergy—of the Roman Catholic Church take offense whenever they hear about the Old Catholic Church, quickly hurling insults?
Inside Old Catholic