The answer depends partly on what is meant by "the papacy."
If the question is:
Did a first-century pope exercise every administrative form and use every theological definition associated with the modern papacy?
History should not be forced into that claim.
If the question is:
Did the Church of Rome and its bishop possess an unusually important role very early in Christianity, and can that role plausibly be connected with Peter and later Catholic claims of primacy?
There is substantial evidence worth examining.
There are also serious disputes over how that evidence should be interpreted.
This should be one of CatholicAgain.org's most careful pages.
Begin With Peter in Scripture
Key passages include:
- Matthew 16:13-19
- Luke 22:31-32
- John 21:15-17
- Acts 1-12
- Galatians 1-2
Catholics see a distinctive Petrine office in these passages.
Orthodox Christians acknowledge a real primacy of Peter while disputing later Catholic understandings of universal papal jurisdiction.
Many Protestants interpret the texts in still other ways.
So history becomes important.
Clement of Rome and Corinth
Near the end of the first century, the Church of Rome sent a substantial letter to the troubled Church at Corinth.
Known as 1 Clement, the letter intervenes in a dispute involving deposed church leaders and calls the Corinthians back to order and peace.
Catholics see the episode as significant early evidence of Rome acting beyond its local territory.
Critics note that the letter is written in the name of the Roman church rather than as a later-style papal decree and dispute how much jurisdiction can be inferred.
Both observations deserve to be presented.
Primary Source
1 Clement.
https://www.newadvent.org/fathers/1010.htm
Ignatius and the Church of Rome
Early in the second century, Ignatius of Antioch addresses several churches on his journey to martyrdom.
His letter to Rome is distinctive in tone.
A full evidence page should compare his introductions to Rome and to other churches rather than rely on a single translated phrase.
This evidence is suggestive, but translation and interpretation matter.
Irenaeus and Rome
Around the late second century, Irenaeus gives a succession of Roman bishops and appeals to the Roman church while arguing against Gnostic claims.
His famous passage in Against Heresies III.3 describes Rome as ancient, Apostolic and associated with Peter and Paul.
A traditional Catholic translation reads the passage as saying every church should agree with Rome because of its preeminent authority.
But the underlying Latin wording and the meaning of the passage have been debated.
That disagreement should appear on the page rather than be buried.
Primary Source
Irenaeus, Against Heresies III.3.
https://ccel.org/ccel/irenaeus/against_heresies_iii/anf01.ix.iv.iv.html
What Does Irenaeus Clearly Establish?
Whatever interpretation one gives the disputed clause, Irenaeus clearly:
- treats Rome as an Apostolic church;
- associates it with Peter and Paul;
- provides a succession of its bishops;
- uses succession as an argument against heresy;
- regards the Roman church as particularly significant for demonstrating Apostolic tradition.
The debate concerns what kind and degree of primacy this implies.
Development Is Part of the Question
Catholic theology allows for development in the Church's understanding and articulation of doctrine.
So the historical question should not demand that AD 180 contain the vocabulary of Vatican I.
But "development" cannot simply become a word used to explain away contradiction.
A serious investigation asks:
Can later Catholic teaching plausibly develop from the earlier evidence without reversing it?
That is a much better historical test.
The Orthodox Objection Matters
Eastern Orthodox Christianity presents perhaps the most historically serious challenge to Catholic papal claims because Orthodoxy shares:
- ancient episcopacy;
- Apostolic succession;
- sacraments;
- councils;
- Fathers;
- liturgical continuity.
Orthodox Christians generally recognize an ancient Roman primacy but dispute the Catholic understanding of universal jurisdiction and papal infallibility.
CatholicAgain should eventually build a separate page:
Catholic and Orthodox: What Happened to Christian Unity?
What the Evidence Does Not Permit
Avoid saying:
"Irenaeus proves Vatican I in one sentence."
Avoid saying:
"There was no special Roman role before Constantine."
Both flatten a much richer historical record.
Ask Yourself
Why was Rome already so prominent in arguments about Apostolic Christianity by the second century --- and what kind of primacy best explains that prominence?
Continue
Did the Early Church Believe in Apostolic Succession? →
Who Has Authority to Interpret the Bible? →
Why Do Catholics Believe the Catholic Church Is Apostolic? →
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