ROCOR vs OCA: Understanding the Split Between Two Russian Orthodox Churches in America

Two churches. One shared origin. A century of disagreements rooted in revolution, politics, and the meaning of faithfulness.

Updated April 2026 12 min read

Two Russian Orthodox churches walk into America. They share the same liturgy, the same saints, and the same ancient theological roots. They even share history — right up until the point where they really, really don't.

This is the story of ROCOR (Russian Orthodox Church Outside Russia) and OCA (Orthodox Church in America). If you've ever wondered why there are multiple Russian Orthodox jurisdictions operating in the same country — sometimes in the same city — this article will give you the honest, historically grounded answer.

Spoiler: it involves the Bolshevik Revolution, Cold War politics, a disputed decree from a patriarch, and decades of canonical arguments that would make a church lawyer blush.

One Root, Two Branches: The Common Origin

Before 1917, this story was simple. The Orthodox Church in America traces its roots to 1794, when eight Russian Orthodox monks landed in Alaska — then Russian territory — and began missionary work among native populations. That mission eventually grew into a full North American diocese of the Russian Orthodox Church.

According to ROCOR Studies, prior to the Bolshevik Revolution, the North American Diocese of the Russian Church was the principal canonical ecclesiastical authority across the entire continent. One unified structure. No debates about who was in charge.

Then came 1917 — and everything changed.

The Revolution That Broke Everything

The Bolshevik Revolution of 1917 didn't just change Russia — it shattered Orthodox church governance across the world. Bishops and clergy outside Russia suddenly found themselves cut off from their canonical authority. Communication lines collapsed. The Moscow Patriarchate fell under the influence of a Soviet state that was openly hostile to religion.

What followed was, to put it diplomatically, a mess.

The bishops who found themselves outside Russia — many of them refugees — gathered in Sremski Karlovtsy, Serbia, and organized themselves into what became ROCOR in 1920. They saw themselves as the legitimate, "free" part of the Russian Church, untainted by Soviet pressure.

Back in America, the existing North American diocese — led by Metropolitan Platon — cooperated with ROCOR at first, then broke away in 1924. This group became known simply as "the Metropolia," the predecessor to today's OCA.

"After 1917, they first joined together with the Russian Orthodox Church Outside Russia." — Fr. Andrew Philips, ROCOR historian, on the relationship between the Metropolia and ROCOR

The Years of On-Again, Off-Again: 1920–1946

The two bodies reunited under a formal agreement in 1935 — the "Temporary Regulations of the Russian Orthodox Church Abroad" — which gave the American Metropolia significant autonomy while acknowledging ROCOR authority in matters of faith. It was, at best, an uneasy truce.

Then came the end of World War II. With Soviet propaganda suggesting that Stalin's Russia had softened its stance on the church, a significant faction in the Metropolia pushed for reconciliation with Moscow. In 1946, at an All-American Council in Cleveland, the majority voted to break with ROCOR and seek rapprochement with the Moscow Patriarchate.

ROCOR-loyal bishops walked out. The split became permanent — at least for a long time.

The 1970 Autocephaly: A Game-Changer (That Not Everyone Accepted)

For over two decades after 1946, the Metropolia existed in a kind of canonical limbo — not fully under Moscow, not under ROCOR, not recognized as an independent church. It was, as one historian wryly noted, "under no one."

That changed in 1970. On April 10 of that year, Patriarch Alexius I of Moscow and fourteen bishops of the Holy Synod signed the Tomos of Autocephaly, officially granting the Metropolia full self-governance. The Metropolia renamed itself the Orthodox Church in America — and became, according to Moscow's reckoning, the fifteenth autocephalous Orthodox Church in the world.

ROCOR was furious. From their perspective, the OCA had just struck a deal with a church still under Soviet control. They refused to recognize the autocephaly and deepened their separation from the OCA.

The 2007 Reconciliation — and Why Three Jurisdictions Still Exist

After the fall of the Soviet Union in 1991, the theological and political obstacles to reconciliation began to dissolve. ROCOR's hardline refusal to engage with Moscow slowly thawed. Dialogue happened. The Russian Church canonized the New Martyrs who died under Communism — including Tsar Nicholas II and his family.

On May 17, 2007, ROCOR and the Moscow Patriarchate signed the Act of Canonical Communion, formally ending their separation. ROCOR became an autonomous, self-governing part of the Russian Orthodox Church.

So — problem solved? Not entirely. As Archpriest John Whiteford explains at OrthoChristian, the result was three distinct Russian-origin jurisdictions in the United States: ROCOR, the OCA, and direct Moscow Patriarchate parishes. Each has its own structure, culture, and institutional inertia. Uniting them is, to borrow his phrase, far from straightforward.

ROCOR vs OCA: Key Differences at a Glance

Feature	ROCOR	OCA
Founded	1920 (Sremski Karlovtsy, Serbia)	Mission from 1794; Metropolia declared 1924; OCA from 1970
Current relationship to Moscow	Self-governing part of Russian Orthodox Church (since 2007)	Independent (autocephalous); not part of Moscow
Liturgical calendar	Old (Julian) Calendar	Revised (New) Calendar predominates, but varies by diocese
Language of worship	Church Slavonic, with increasing use of English	Predominantly English, with some Slavonic
Size in the US	Fewer US parishes than OCA	Over 680 parishes, missions, and communities
Autocephaly recognized by?	Not applicable — part of Moscow	Moscow; not recognized by Ecumenical Patriarchate of Constantinople
Liturgical strictness	Generally more traditional; frequent confession required for communion	More variation; generally less strict on confession frequency

Why Does Any of This Matter Today?

You might be thinking: surely two churches that share the same theology, liturgy, and saints should be able to figure this out. And you'd be right — in theory. In practice, ecclesiastical reunification is about as straightforward as merging two law firms that have been suing each other for fifty years.

There are real practical differences. ROCOR follows the Old (Julian) Calendar, which puts its Christmas on January 7 — a detail that matters a great deal if you're a parishioner planning family gatherings. ROCOR also tends to require more frequent confession before receiving communion at the Eucharist, reflecting a stricter approach to spiritual preparation.

The OCA, by contrast, has worked hard to present itself as a genuinely American church — not an ethnic enclave. According to Wikipedia, the OCA's membership has grown significantly through English-speaking converts rather than Russian immigrants, and most OCA services are conducted in English. ROCOR, while it has also added convert parishes using English, retains a stronger Slavic cultural identity.

Then there's the question of Moscow. ROCOR is now canonically tied to the Russian Orthodox Church in a way the OCA is not. Given Russia's geopolitical profile in the 2020s, that's not a small thing. It shapes perceptions of both churches — fairly or not.

Where Things Stand Now

Since the 2007 reconciliation, ROCOR and OCA clergy have participated in joint liturgies. A historic concelebration of both churches' first hierarchs took place in 2011 — something that hadn't happened in decades. Relationships have warmed considerably.

Full formal reunion, however, remains an open question. The OCA's autocephaly is not something it is likely to surrender, and ROCOR's canonical ties to Moscow create complications that go well beyond theology.

What's clear is that both churches are growing — especially among converts to Orthodox Christianity in America who aren't necessarily of Russian heritage. Both offer the same ancient faith. The differences, while real, are largely structural and cultural rather than doctrinal.

If you stumble across a Russian Orthodox church in your city and wonder which one it is — check the calendar on the door. January 7th Christmas? Probably ROCOR. December 25th? Probably OCA. That's not a perfect rule, but it's a decent starting point.

"It was unanimously determined that the Church's unity is necessary." — Joint declaration of ROCOR and Metropolia bishops, New York, December 1950. It took another sixty years, but they eventually got there.

Final Thought

The ROCOR vs OCA split is not a story of heresy or theological rebellion. It's a story of how extraordinary historical pressure — revolution, exile, Cold War geopolitics — can fracture even the most unified institutions and create parallel structures that outlast the original crisis by generations.

Both churches are legitimate expressions of Eastern Orthodox Christianity. Both carry the same liturgical tradition and theological heritage. The differences between them are real but navigable — and, increasingly, both communities seem to know it.

Understanding this split helps you understand not just Orthodox Christianity in America, but how history shapes religious institutions in ways that persist long after the events themselves have faded into footnotes.