St. Irenaeus Mission Society

Dedicated to spreading the Gospel of Jesus Christ

CHURCHES OF THE EAST

Assyrian Church of the East

• Assyrian Church of the East

Oriental Orthodox Churches

• Armenian Apostolic Church

• Coptic Orthodox Church

• Ethiopian Orthodox Tewahedo Church

• Syrian Orthodox Church of Antioch

• Malankara Orthodox Syrian Church

• Eritrean Orthodox Church

Autocephalous Orthodox Churches

• Patriarchate of Constantinople

• Patriarchate of Alexandria

• Patriarchate of Antioch

• Patriarchate of Jerusalem

• Orthodox Church of Russia

• Orthodox Church of Serbia

• Orthodox Church of Romania

• Orthodox Church of Bulgaria

• Orthodox Church of Georgia

• Orthodox Church of Cyprus

• Orthodox Church of Greece

• Orthodox Church of Poland

• Orthodox Church of Albania

• Orthodox Church in Czech and Slovak Republics

• Orthodox Church in America

Autonomous Orthodox Churches

• The Orthodox Church of Mount Sinai

• The Orthodox Church of Finland

• The Orthodox Church of Japan

• The Orthodox Church of China (semi-official)

• The Estonian Apostolic Orthodox Church

Canonical Churches Under Constantinople

• The American Carpatho-Russian Orthodox Church

• The Ukrainian Orthodox Church of the USA and Diaspora

• The Russian Orthodox Exarchate in Western Europe

• The Albanian Orthodox Diocese of America

• The Ukrainian Orthodox Church of Canada

Orthodox Churches of Irregular Status

• The Old Believers

• The Ukrainian Orthodox Church – Kiev Patriarchate and Ukrainian Autocephalous Church

• The Belarusan Autocephalous Orthodox Church

• The Macedonian Orthodox Church

• The Old Calendar Orthodox Churches

Eastern Catholic Churches with no Counterpart

• The Maronite Catholic Church

• The Italo-Albanian Catholic Church

Eastern Catholic Churches From the Assyrian Church of the East

• The Chaldean Catholic Church

• The Syro-Malabar Catholic Church

Eastern Catholic Churches From the Oriental Orthodox Churches

• The Armenian Catholic Church

• The Coptic Catholic Church

• The Ethiopian Catholic Church

• The Syrian Catholic Church

• The Syro-Malankara Catholic Church

Eastern Catholic Churches From the Orthodox Churches

• The Melkite Catholic Church

• The Ukrainian Catholic Church

• The Ruthenian Catholic Churches

• The Romanian Catholic Church

• The Greek Catholic Church

• Greek Catholic Churches in Former Yugoslavia

• The Bulgarian Catholic Church

• The Slovak Catholic Church

• The Hungarian Catholic Church

Other Eastern Catholic Communities

• Russian Catholic

about us

We are Byzantine Christians who strive to live and spread the Gospel of Jesus Christ to those of our age.

Who is St Irenaeus?

Born between 115 and 125 in or near Proconsular Asia; Priest of the Church of Lyons under the persecution of Marcus Aurelius, Bishop of Lyons, successor to the holy martyr St. Pothinus; Martyred in 202; Major influences: St. Polycarp of Smyrna; Contribution: as a bishop dedicated to being a pastor and a missionary, he was heroic in his battle against the heresy of Gnosticism. More...

society membership

Membership in the Society is by recommendation of a member and approval by the director. Those who do not know any members may contact the director directly in order to submit a request.