Gratianopolis (Mauretania Caesariensis)

Ecclesiastical history

• Publicius and Deuterius, both at the Conference of Carthage
• Thalassius, present at the Synod of Carthage called by king Huneric of the Vandal Kingdom and afterwards banished like most Catholic participants.

Titular see

• Theodorus Skuminowicz as Auxiliary Bishop of Diocese of Vilnius
• Mikolaj Słupski as Auxiliary Bishop of the above Vilnius
• Jan Dłużewski as Auxiliary Bishop of Diocese of Chełm
• Michael Piechowski as Auxiliary Bishop of Diocese of Przemyśl
• Dominicus Invitti , no actual prelature; later promoted Titular Archbishop of Sardes
• Franciscus Josephus Mikolitsch as Auxiliary Bishop of Diocese of Ljubljana
• Tomasz Chmielewski as Auxiliary Bishop of Archdiocese of Warszawa
• Ignazio Persico, Capuchin Franciscans , as Coadjutor Apostolic Vicar of Bombay , Apostolic Vicar of Lhassa 拉薩 ; later Bishop of Savannah , Titular Bishop of Bolina & Coadjutor Bishop of Aquino, Sora e Pontecorvo , succeeding as Bishop of Aquino, Sora e Pontecorvo, then Titular Archbishop of Tamiathis, Secretary of Sacred Congregation of the Propagation of the Faith, created Cardinal-Priest of S. Pietro in Vincoli, Prefect of the Roman Sacred Congregation of Indulgences and Sacred Relics
• Edouard Charles Fabre as Coadjutor Bishop of Montréal , succeeding as suffragan Bishop of Montréal, promoted first Metropolitan Archbishop of Montréal
• Pascal Bili, Friars Minor as Apostolic Vicar of Northwestern Hupeh 湖北西北
• Ottaviano Rosario Sabetti, Redemptorists as Auxiliary Bishop of Diocese of Calvi
• Francesco Lönhart first as Coadjutor Bishop of Skradin , then as Coadjutor Bishop of Roman Catholic Diocese of Transilvania ; later Bishop of Transilvania
• Marie-Laurent-François-Xavier Cordier, Paris Foreign Missions Society as Apostolic Vicar of Cambodia
• Ferdinand Jan Nepomucenus Kalous, C.SS.R. as Auxiliary Bishop of Archdiocese of Praha
• Isaias Papadopulos first as Assessor of the Roman Sacred Congregation for the Oriental Churches, then Honorary Assessor of Sacred Congregation for the Oriental Churches
• Dionisio Leonida Varouhas as Apostolic Exarch of Istanbul of the Greeks
• Hyakinthos Gad as Apostolic Exarch of Greece of the Greeks
• Anárghyros Printesis as Apostolic Exarch of Greece of the Greeks and on emeritate
• Dimitrios Salachas, Apostolic Exarch of Greece of the Greeks and Member of Commission for the Study of the Reform of the Matrimonial Processes in Canon Law and still on emeritate.