| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 53.7 | Appointed | Emmanuel Asmar † | Bishop of Zaku (Chaldean), Iraq |
| 23.9 | Ordained Priest | Pascal Bili, O.F.M. Ref. † | Priest of Order of Reformed Friars Minor | Vicar Apostolic of Northwestern Hupeh {Hu-Pè Occiduo-Settentrionale}, China |
| 27.6 | Ordained Priest | Augusto Bonetti, C.M. † | Priest of Congregation of the Mission | Apostolic Delegate to Turkey |
| 22.2 | Ordained Priest | Michele (Giuseppe) Carbone, O.F.M. Cap. † | Priest | Prefect of Eritrea |
| 19.8 | Professed | Marc Chatagnon, M.E.P. † | Member of La Société des Missions Etrangères | Vicar Apostolic of Southern Szechwan {Se-Ciuen Meridionale}, China |
| 20.8 | Professed | Augustin Chausse, M.E.P. † | Member of La Société des Missions Etrangères | Prefect of Kouangtong (Kwangtung, Guangdong), China |
| 21.8 | Professed | Jean-Benoît Chouzy, M.E.P. † | Member of La Société des Missions Etrangères | Prefect of Kuamsi (Kwangsi, Guangxi), China |
| 45.9 | Elected | Francesco Maria Cirino, C.R. † | Vicar General of Congregation of Clerics Regular | Vicar General Emeritus |
| Born | Jules Abraham David † | |
| Died | Ebed-Jesu-Thomas (Atanasio Tommaso) Dircho (Dosciù) † | Bishop of Amadiyah (Chaldean), Iraq |
| 28.0 | Professed | Pierre-Noël-Joseph Foucard, M.E.P. † | Priest of La Société des Missions Etrangères | Prefect of Kuamsi (Kwangsi, Guangxi), China |
| 24.6 | Ordained Priest | Antonio García y Fernández † | Priest | Bishop of Segovia, Spain |
| Elected | Basilio Grifoni, O.S.B. † | Abbot of Order of Saint Benedict |
| Born | Flavien Cyrille Kfoury (Khoury) † | | Archbishop Emeritus of Homs (-Hama-Jabrud) (Melkite Greek), Syria |
| 20.6 | Professed | Joseph-Marie Laucaigne, M.E.P. † | Member of La Société des Missions Etrangères | Apostolic Administrator of Southern Japan |
| 26.8 | Ordained Priest | Luigi Macchi † | Priest | Cardinal, Cardinal-Deacon of Santa Maria in Via Lata |
| 32.4 | Appointed | Augustin Planque, S.M.A. † | Superior General of Society of African Missions |
| 23.4 | Ordained Priest | Manuel Santander y Frutos † | Priest | Bishop Emeritus of San Cristobal de la Habana, Cuba |
| Elected | Nicolas da San Giovanni en Marignano, O.F.M. Cap. † | Minister General of Order of Friars Minor Capuchin |
| 29.1 | Appointed | Joseph-Simon Theurel, M.E.P. † | Coadjutor Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viet Nam | Vicar Apostolic |
| 29.1 | Appointed | Joseph-Simon Theurel, M.E.P. † | Titular Bishop of Achantus | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viet Nam |
| 26.6 | Ordained Priest | Isidoro Verga † | Priest | Cardinal, Cardinal-Bishop of Albano |
| 1 Jan | 23.0 | Ordained Deacon | Jules Cléret † | Deacon of Coutances (-Avranches), France | Bishop of Laval, France |
| 19.4 | Entered | Ángel José Toro, O.P. † | Member of Order of Friars Preachers | Bishop of Córdoba (Tucumán), Argentina |
| 2 Jan | 68.9 | Ordained Bishop | Benedetto D’Acquisto, O.F.M. Ref. † | Archbishop of Monreale, Italy |
| 47.8 | Ordained Bishop | Antonio Maria Valenziani † | Bishop of Fabriano e Matelica, Italy |
| 3 Jan | 55.9 | Appointed | Godefroy Brossais Saint-Marc † | Cardinal, Archbishop of Rennes, France |
| 6 Jan | | Born | Alfred-Henri-Marie Baudrillart, C.O. † | | Cardinal, Cardinal-Priest of San Bernardo alle Terme |
| Born | Paolo Massad † | | Archbishop of Damas (Maronite), Syria |
| 9 Jan | 44.3 | Ordained Bishop | Giovanni Battista Guttadauro di Reburdone † | Bishop of Caltanissetta, Italy |
| 42.5 | Ordained Bishop | Melchiorre Lo Piccolo † | Bishop of Nicosia, Italy |
| 11 Jan | | Born | Armengol Coll y Armengol, C.M.F. † | | Vicar Apostolic of Fernando Poo, Equatorial Guinea |
| 14 Jan | | Born | Pedro Juan Campins y Barceló † | | Bishop of Mallorca y Ibiza, Spain |
| 15 Jan | | Born | Henry William Cleary † | | Bishop of Auckland, New Zealand |
| Born | Esteban Rojas Tobar † | | Bishop Emeritus of Garzón, Colombia |
| 16 Jan | 72.1 | Ordained Bishop | Jan Dekert † | Titular Bishop of Halicarnassus | Auxiliary Bishop of Warszawa {Warsaw}, Poland |
| 80.0 | Died | Basilio López † | Bishop of Paraguay (o Ssma Assunzione) |
| 17 Jan | 60.0 | Resigned | Giovanni Battista Cannella † | Secretary of the Congregation for Extraordinary Ecclesiastical Affairs | Secretary Emeritus |
| 40.1 | Succeeded | Ljudevit Ćurčija, O.F.M. Obs. † | Bishop of Shkodrë (Scutari), Albania | Vicar Apostolic Emeritus of Egypt (Egitto), Egypt |
| 69.0 | Resigned | Giovanni Giorgio Topich, O.F.M. Obs. † | Bishop of Shkodrë (Scutari), Albania | Bishop Emeritus |
| 18 Jan | 48.3 | Appointed | Giuseppe Berardi † | Secretary of the Congregation for Extraordinary Ecclesiastical Affairs | Cardinal, Cardinal-Priest of Santi Marcellino e Pietro |
| 60.3 | Died | Alessandro Macioti † | Official of the Congregation of the Holy Office |
| Born | Ernest Auguste Neveux † | | Auxiliary Bishop of Reims, France |
| 20 Jan | | Born | Alberto José Gonçalves † | | Bishop of Ribeirão Preto, Brazil |
| Born | Enrique Reig y Casanova † | | Cardinal, Archbishop of Toledo, Spain |
| 83.0 | Died | Stefano Scerra † | Titular Archbishop of Ancyra |
| 21 Jan | 33.6 | Appointed | James Duggan † | Bishop of Chicago, Illinois, USA |
| 44.1 | Appointed | Thomas Langdon Grace, O.P. † | Bishop of Saint Paul, Minnesota, USA | Bishop Emeritus |
| 23 Jan | 41.8 | Ordained Bishop | Henryk Ludwik Plater † | Titular Bishop of Mosynopolis | Auxiliary Bishop of Warszawa {Warsaw}, Poland |
| 28 Jan | 54.3 | Appointed | James Michael Myles O’Gorman, O.C.S.O. † | Vicar Apostolic of Nebraska, USA |
| 54.3 | Appointed | James Michael Myles O’Gorman, O.C.S.O. † | Titular Bishop of Raphanea | Vicar Apostolic of Nebraska, USA |
| 35.6 | Appointed | James Whelan, O.P. † | Coadjutor Bishop of Nashville, Tennessee, USA | Bishop Emeritus |
| 35.6 | Appointed | James Whelan, O.P. † | Titular Bishop of Marcopolis | Bishop Emeritus of Nashville, Tennessee, USA |
| 30 Jan | | Born | François Désiré Jean Drure, O.C.D. † | | Archbishop of Baghdad, Iraq |
| 2 Feb | 43.1 | Appointed | Pierre-Adophe Pinsoneault, P.S.S. † | Bishop of Sandwich, Ontario, Canada | Bishop Emeritus |
| 7 Feb | 76.6 | Died | Anton Alojzij Wolf † | Bishop of Ljubljana, Slovenia |
| 10 Feb | 27.3 | Ordained Priest | William Gordon † | Priest of Beverley, England, Great Britain | Bishop of Leeds, England, Great Britain |
| 50.8 | Selected | Antal Jószef Peitler † | Bishop of Vác, Hungary |
| 51.1 | Selected | Ágoston Roskoványi † | Bishop of Nitra, Slovakia |
| 11 Feb | 80.1 | Died | José Eusebio Colombres † | Bishop-Elect of Salta, Argentina |
| 13 Feb | 48.8 | Ordained Bishop | Mihály Haas † | Bishop of Satu Mare {Szatmár}, Romania |
| 48.1 | Ordained Bishop | Adam Stanisław Krasiński, Sch. P. † | Bishop of Vilnius, Lithuania | Bishop Emeritus |
| 24.5 | Ordained Priest | Petrus Leyten † | Priest | Bishop of Breda, Netherlands |
| 56.3 | Ordained Bishop | René-Marie-Charles Poirier, C.I.M. † | Bishop of Roseau, Dominica, Antilles |
| 15 Feb | | Born | Ildephonse (Carolus Martinus) Lanslots, O.S.B. † | | Prefect Emeritus of Northern Transvaal {Transvaal Settentrionale}, South Africa |
| Born | Louis-Joseph Maurin † | | Cardinal, Archbishop of Lyon (-Vienne), France |
| 16 Feb | | Born | Julián de Diego y García Alcolea † | | Archbishop of Santiago de Compostela, Spain |
| 18 Feb | | Born | Stanislas-Marie-Liévin de Vos, S.J. † | | Prefect Emeritus of Koango o Kwango, Congo (Dem. Rep.) |
| 20 Feb | | Born | Giuseppe Ridolfi † | | Archbishop Emeritus of Otranto, Italy |
| 63.7 | Ordained Bishop | Józef Maksymilian Staniewski, O.P. † | Titular Bishop of Plataea | Auxiliary Bishop Emeritus of Mohilev, Belarus |
| 21 Feb | | Born | Giuseppe d’Alessio † | | Auxiliary Bishop of Napoli {Naples}, Italy |
| 24 Feb | 41.4 | Ordained Bishop | Camillo Benzon † | Bishop of Adria, Italy |
| 44.4 | Ordained Bishop | Vjenceslav Šoić † | Bishop of Beograd (-Smederevo), Serbia | Bishop Emeritus of Senj (-Modruš), Croatia |
| 27 Feb | 35.7 | Ordained Bishop | Aleksander Kazimierz Bereśniewicz † | Titular Bishop of Maximianopolis in Palaestina | Bishop Emeritus of Włocławek (Kujawy, Kalisze), Poland |
| 48.3 | Ordained Bishop | Pedro María Cubero López de Padilla † | Bishop of Orihuela, Spain |
| 3 Mar | 61.2 | Selected | José Xavier de Cerveira e Sousa † | Bishop of Viseu, Portugal |
| 6 Mar | 29.3 | Ordained Bishop | Joseph-Simon Theurel, M.E.P. † | Titular Bishop of Achantus | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viet Nam |
| 11 Mar | | Born | Francisque- Jean-Etienne Marnas † | | Bishop of Clermont, France |
| Born | Héctor Raphaël Quilliet † | | Bishop Emeritus of Lille, France |
| 14 Mar | | Born | Adolf Bertram † | | Cardinal, Archbishop of Wrocław {Breslavia}, Poland |
| 20 Mar | 53.9 | Ordained Bishop | Diego Mariano Alguacil y Rodríguez † | Bishop of Badajoz, Spain | Bishop of Cartagena (en España) |
| 25 Mar | 24.9 | Ordained Priest | Giuseppe Consenti, C.Ss.R. † | Priest of Congregation of the Most Holy Redeemer | Bishop of Lucera, Italy |
| 25.3 | Ordained Priest | Antonio Maria Saeli, C.Ss.R. † | Priest of Congregation of the Most Holy Redeemer | Bishop of Mazara del Vallo, Italy |
| Born | Leon Wałęga † | | Bishop Emeritus of Tarnów, Poland |
| 26 Mar | | Born | Manuel Luís Coelho da Silva † | | Bishop of Coimbra, Portugal |
| 27 Mar | 61.0 | Ordained Bishop | Fernando Argüelles Miranda † | Bishop of Astorga, Spain |
| 60.2 | Died | Giovanni Battista Cannella † | Secretary Emeritus of the Congregation for Extraordinary Ecclesiastical Affairs |
| 45.2 | Ordained Bishop | Giacinto Luzi † | Bishop of Narni, Italy |
| 2 Apr | | Born | Pellegrino Francesco Stagni, O.S.M. † | | Archbishop Emeritus of L’Aquila, Italy |
| 5 Apr | 65.2 | Died | Basile Kfoury † | Patriarchal Vicar of Egypt and Sudan (Melkite Greek) |
| 51.2 | Appointed | Joannes Zadighian † | Bishop of Ispahan {Esfáan} (Armenian), Iran | Former Bishop-Elect |
| 6 Apr | | Born | Paul-Albert Faveau, C.M. † | | Vicar Apostolic Emeritus of Hangchow [Hangzhou], China |
| 8 Apr | 45.2 | Appointed | Thomas Louis Connolly, O.F.M. Cap. † | Archbishop of Halifax, Nova Scotia, Canada |
| 9 Apr | 23.6 | Ordained Priest | Angelo Maria Aloisio † | Priest of L’Aquila, Italy | Priest of L’Aquila, Italy |
| 22.5 | Ordained Deacon | Francesco Baldassarri † | Deacon | Bishop of Imola, Italy |
| 25.6 | Ordained Priest | Emiliano Manacorda † | Priest | Bishop of Fossano, Italy |
| 25.2 | Ordained Priest | Roger William Bede Vaughan, O.S.B. † | Priest of Order of Saint Benedict | Archbishop of Sydney, Australia |
| 11 Apr | 24.5 | Ordained Priest | Antoni Franciszek Audziewicz † | Priest | Bishop of Vilnius, Lithuania |
| 12 Apr | | Born | Matteo Angelo Filipello † | | Bishop of Ivrea, Italy |
| 54.0 | Appointed | Patrick Bonaventure Geoghegan, O.F.M. Ref. † | Bishop of Adelaide, Australia | Bishop of Goulburn, Australia |
| 40.0 | Appointed | James Quinn † | Bishop of Brisbane, Australia |
| 14 Apr | 21.9 | Entered | Theodore Dalhoff, S.J. † | Member of Society of Jesus | Archbishop of Bombay, India |
| 15 Apr | 66.6 | Appointed | Juan José de Aycinena y Piñol † | Auxiliary Bishop of Guatemala |
| 66.6 | Appointed | Juan José de Aycinena y Piñol † | Titular Bishop of Traianopolis in Phrygia | Auxiliary Bishop of Guatemala |
| 62.6 | Appointed | José María Barrutia y Croquer † | Auxiliary Bishop of Guatemala |
| 62.6 | Appointed | José María Barrutia y Croquer † | Titular Bishop of Camachus | Auxiliary Bishop of Guatemala |
| 61.3 | Confirmed | José Xavier de Cerveira e Sousa † | Bishop of Viseu, Portugal |
| 53.2 | Appointed | Camillo Di Pietro † | Cardinal-Priest of San Giovanni a Porta Latina | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 65.5 | Appointed | Józef Michal Juszyński † | Bishop of Sandomierz, Poland |
| 58.6 | Confirmed | Patrício Xavier de Moura, O.S.A. † | Bishop of Funchal, Portugal |
| 51.0 | Confirmed | Antal Jószef Peitler † | Bishop of Vác, Hungary |
| 70.7 | Appointed | José Elías Puyana † | Bishop of Pasto, Colombia |
| 51.3 | Confirmed | Ágoston Roskoványi † | Bishop of Nitra, Slovakia |
| 50.4 | Appointed | Juan Félix de Jesús Zepeda, O.F.M. Obs. † | Auxiliary Bishop of Guatemala | Bishop of Comayagua, Honduras |
| 50.4 | Appointed | Juan Félix de Jesús Zepeda, O.F.M. Obs. † | Titular Bishop of Arindela | Bishop of Comayagua, Honduras |
| 17 Apr | 75.8 | Died | Manuel López Santisteban † | Bishop Emeritus of Ávila, Spain |
| 18 Apr | 55.0 | Selected | Alfonso Maria Cappetta (Cappelta) † | Bishop of Gravina e Irsina (Montepeloso), Italy |
| 43.6 | Selected | Michele Milella, O.P. † | Bishop of Teramo, Italy |
| 41.4 | Selected | Luigi Riccio † | Bishop of Monopoli, Italy | Bishop of Caiazzo, Italy |
| 19 Apr | 78.0 | Died | Kaspar de Carl ab Hohenbalken † | Bishop of Chur, Switzerland |
| 22 Apr | 64.3 | Died | Giovanni Carlo Gentili † | Bishop Emeritus of Pesaro, Italy |
| 23 Apr | | Born | José Clos y Pagés, S.J. † | | Bishop of Zamboanga, Philippines |
| 22.6 | Ordained Priest | Bernardo Cozzucli (Cozzuoli) † | Priest | Bishop of Nicosia, Italy |
| 22.7 | Ordained Priest | Antonio Maria De Pol † | Priest | Bishop of Vicenza, Italy |
| 45.2 | Appointed | Annet-Théophile Pinchon, M.E.P. † | Coadjutor Vicar Apostolic of Northwestern Szechwan {Se-Ciuen Settentrionale-Occidentale}, China | Vicar Apostolic |
| 45.2 | Appointed | Annet-Théophile Pinchon, M.E.P. † | Titular Bishop of Polemonium | Vicar Apostolic of Northwestern Szechwan {Se-Ciuen Settentrionale-Occidentale}, China |
| 36.8 | Ordained Bishop | Efrem Estateos Tocmagi † | Bishop | Bishop Emeritus |
| 29 Apr | | Born | Antonio Lamberti † | | Bishop of Conversano, Italy |