Mar Mar, mar or MAR may refer to: Culture * Mar or Mor, an honorific in Syriac * Earl of Mar, an earldom in Scotland * MAA (singer) (born 1986), Japanese * Marathi language, by ISO 639-2 language code * March, as an abbreviation for the third mon ...

Dadishoʿ was Catholicose of the East from 421 AD to 456 AD. During his reign as Catholicos, in 424 AD, the Church of the East declared itself independent of all other churches, resulting in Mar Dadishoʿ taking the title of

Patriarch The highest-ranking bishops in Eastern Orthodoxy, Oriental Orthodoxy, the Catholic Church (above major archbishop and primate), the Hussite Church, Church of the East, and some Independent Catholic Churches are termed patriarchs (and in certai ...

, becoming the first Catholicos-Patriarch of Seleucia-Ctesiphon.

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* * * * 4th-century deaths Patriarchs of the Church of the East Year of birth unknown Christians in the Sasanian Empire 5th-century bishops of the Church of the East {{bishop-stub