St. Mary’s Malankara Syrian Orthodox Church Vienna is considered to be the first parish of the Malankara Jacobite Syrian Orthodox Church in Europe. HG Thomas Mor Dionysius (now Catholicose H. B. Aboon Mor Baselius Thomas I) and Rev. Fr. Dr. Adai Jacob (now V. Rev. Dr. Adai Jacob Cor-Episcopose, Principal, MSOT Seminary, Mullanthuruthy) visited Vienna and celebrated Holy Qurbana on 23rd July 1989 at the Armenian Church, Kolonitzgasse 11, in the 3rd district of Vienna, for the Jacobite Syrian Christians from India.