Chaldean Catholic Archeparchy of Kirkuk-Sulaimaniya
The foundation of the Chaldean Catholic diocese of Kirkuk has been attributed to Yohannan VIII Hormizd, who was recognised by the Vatican as patriarchal administrator of the patriarch of Babylon in 1780 and, after five decades of disputes and confrontations, as patriarch in 1830. According to the Chaldean Catholic priest Joseph Tfinkdji, Yohannan Hormizd visited the town of Kirkuk in 1789 while travelling from Mosul to Baghdad, and converted its Church of the East community to Catholicism. He is said to have consecrated a Chaldean metropolitan for Kirkuk, Mar Abraham, who resided in Aïnqawa during his reign, and died between 1821 and 1824. The source for this assertion is not clear. Abraham is not mentioned by any other source, and as Yohannan Hormizd himself (then considered by the Vatican to be merely metropolitan of Mosul) is styled 'metropolitan of Kirkuk' in a colophon of 1798, the Kirkuk region would seem to have been part of the diocese of Mosul at this period.
Hormizd, the Martyr
Hormizd became the patron of one of the Oriental churches in India, namely St. Hormiz which belonged to the Syro-Malabar Church at Angamaly in Kerala. The relationship could easily be understood in connection with the 16th century Padroado mission in Malabar, where the missionaries tried to conform the rites and liturgy of the ancient Christians of St. Thomas with the Latin rite. After the promulgation of the canons of the Synod of Diamper, Rabban Hormizd, a seventh century saint of the Church of East Syria, was no more the patron of the St. Hormizd Church, the once Cathedral of the late Archbishop Abraham of Angamaly. The Synod of Diamper prohibited the Christians from commemorating the feast of Rabban Hormizd, since Hormizd was considered a Nestorian heretic by Latin missionaries. According to the new regulations, the Synod commanded as planned by Archbishop Aleixo de Menezes that the Christians celebrate the feast of St. Hormizd, the Martyr (according to the Roman Martyrology published from Rome in 1583), a Persian Catholic saint who lived in the fifth century, suppressing the memory of Rabban Hormizd. The Feast was fixed on the 8th of August according to the Canon 10 of the Session 2 of the Synod of Diamper.