| Date | Age | Event | Bishop | Title | Current Title | 
|---|
| unknown | 39.9 | Appointed | Ambroise Abdo (Abdou) † | Patriarchal Vicar of Jerusalem {Gerusalemme} (Melkite Greek), Palestine | 
| 40.0 | Appointed | Ignazio Akkani † | Archbishop of Hauran (Melkite Greek), Syria | 
| 45.6 | Appointed | Antoine Anot, C.M. † | Pro-Vicar Apostolic of Kiam-Si {Kiangsi}, China | Pro-Vicar Apostolic Emeritus | 
| 49.4 | Resigned | Giandomenico Falconi † | Prelate of Altamura ed Acquaviva delle Fonti, Italy | Prelate Emeritus | 
| 37.9 | Ordained Priest | Sebastián Herrero y Espinosa de los Monteros, C.O. † | Priest of Confederation of Oratorians of St. Philip Neri | Cardinal, Archbishop of Valencia, Spain | 
|  | Entered | Olivier Hervé, C.S.Sp. † | Priest of Congregation of the Holy Spirit | Prefect Emeritus of French Guiana-Cayenne, Antilles | 
| 30.0 | Ordained Priest | Franciszek Malczyński † | Priest | Bishop of Lezhë {Lesh, Alessio}, Albania | 
| 68.0 | Died | Niccola Marone † | Bishop Emeritus of Ruvo e Bitonto, Italy | 
| 20.0 | Professed | Aloysius Joseph Meyer, C.M. † | Member of Congregation of the Mission | Priest | 
| 21.5 | Ordained Priest | Thomas J. McRedmond † | Priest of Killaloe, Ireland | Bishop | 
| 41.6 | Resigned | Paul Hubert Perny, M.E.P. † | Apostolic Administrator of Kuiceu (Kweichow), China | Apostolic Administrator Emeritus | 
| 97.9 | Died | Carlo Rajner † | Auxiliary Bishop of Eger, Hungary | 
|  | Born | Joseph Reiling, C.S.Sp. † |  | Prefect Emeritus of Lower Niger {Niger Inferiore}, Nigeria | 
| 25.9 | Ordained Priest | Nicolás Rey y Redondo † | Priest | Bishop of San Cristóbal de La Laguna o Tenerife, Spain | 
| 24.2 | Ordained Priest | Antonio Ruiz-Cabal y Rodríguez † | Priest | Bishop Emeritus of Pamplona, Spain | 
| 1 Jan | 61.5 | Succeeded | Jean-Honoré Bara † | Bishop of Châlons, France | 
|  | Born | Michele Lega † |  | Cardinal, Prefect of the Congregation of the Discipline of the Sacraments | 
| 62.3 | Ordained Bishop | José López y Crespo † | Bishop of Santander, Spain | 
| 84.2 | Died | Marie-Joseph-François-Victor Monyer de Prilly † | Bishop of Châlons, France | 
| 2 Jan |  | Born | Antonios Delenda † |  | Archbishop of Athēnai {Athens}, Greece | 
| 4 Jan |  | Born | Charles Joseph O’Reilly † |  | Bishop of Lincoln, Nebraska, USA | 
| 5 Jan | 48.7 | Died | St. John Nepomucene Neumann, C.Ss.R. † | Bishop of Philadelphia, Pennsylvania, USA | 
| 46.6 | Succeeded | James Frederick Bryan Wood † | Bishop of Philadelphia, Pennsylvania, USA | Archbishop of Philadelphia, Pennsylvania, USA | 
| 6 Jan |  | Appointed | Joannice Massamiri † | Auxiliary Bishop | Patriarchal Vicar of Damas (Melkite Greek), Syria | 
|  | Ordained Bishop | Joannice Massamiri † | Titular Bishop | Patriarchal Vicar of Damas (Melkite Greek), Syria | 
| 8 Jan | 26.2 | Ordained Deacon | Rafael Fernández Concha † | Deacon of Santiago de Chile | Auxiliary Bishop | 
| 51.6 | Ordained Bishop | Miguel José Pratmans Llambés † | Bishop of Tortosa, Spain | 
| 9 Jan |  | Born | Désiré Marie Hippolyte Paget † |  | Bishop of Valence (-Die-Saint-Paul-Trois-Châteaux), France | 
| 12 Jan |  | Died | Parsegh Ayvazian † | Bishop of Alep (Armenian), Syria | 
| 46.3 | Succeeded | Johannes Fredericus Antonius Kistemaker, O.P. † | Vicar Apostolic of Curaçao, Netherlands Antilles, Antilles | Vicar Apostolic Emeritus | 
| 63.6 | Died | Martinus Johannes Niewindt † | Vicar Apostolic of Curaçao, Netherlands Antilles, Antilles | 
| 13 Jan |  | Born | Robert William Spence, O.P. † |  | Archbishop of Adelaide, Australia | 
| 83.2 | Appointed | Antonio Tosti † | Cardinal, Librarian of the Vatican Library | 
| 14 Jan |  | Born | François Belleville, M.E.P. † |  | Vicar Apostolic of Southern Tonking {Tonkino Meridionale}, Viet Nam | 
| 15 Jan | 26.2 | Ordained Priest | Rafael Fernández Concha † | Priest of Santiago de Chile | Auxiliary Bishop | 
| 24.0 | Ordained Deacon | Jesús María Rodríguez Balbín † | Deacon of Antioquía, Colombia | Bishop | 
| 18 Jan | 25.9 | Ordained Priest | Johannes Von Euch † | Priest | Vicar Apostolic of Denmark | 
| 24 Jan | 56.9 | Appointed | Anastasius (Alois) Hartmann, O.F.M. Cap. † | Vicar Apostolic of Patna, India | Vicar Apostolic Emeritus of Bombay, India | 
| 43.3 | Appointed | Pierre-Maria-Joseph-Julien Pichon, M.E.P. † | Vicar Apostolic of Southern Szechwan {Se-Ciuen Meridionale}, China | 
| 43.3 | Appointed | Pierre-Maria-Joseph-Julien Pichon, M.E.P. † | Titular Bishop of Helenopolis in Bithynia | Vicar Apostolic of Southern Szechwan {Se-Ciuen Meridionale}, China | 
| 25 Jan | 50.7 | Resigned | Carlo Belgrado † | Bishop of Ascoli Piceno, Italy | Bishop Emeritus | 
| 27 Jan | 62.0 | Appointed | Antonio Cerezano Camarena † | Archbishop of Santo Domingo, Dominican Republic | Archbishop-Elect | 
| 28 Jan |  | Born | Giovanni Volpi † |  | Bishop Emeritus of Arezzo, Italy | 
| 29 Jan |  | Born | Ciro Pontecorvi, C.Pp.S. † |  | Archbishop of Urbino, Italy | 
| 2 Feb |  | Born | Antonín Čech † |  | Auxiliary Bishop of Litoměřice, Czechia | 
| 53.8 | Died | François-Xavier-Timothée Danicourt, C.M. † | Vicar Apostolic of Kiam-Si {Kiangsi}, China | Vicar Apostolic of Chekiang {Ce-Kiam}, China | 
| 34.4 | Final Vows | George Porter, S.J. † | Priest of Society of Jesus | Archbishop of Bombay, India | 
|  | Born | Luís Silva Lezaeta † |  | Bishop of Antofagasta, Chile | 
|  | Born | Louis Termier † |  | Bishop of Tarentaise, France | 
| 36.4 | Final Vows | Alfred Weld, S.J. † | Priest of Society of Jesus | Superior Emeritus of Zambese, Zimbabwe | 
| 5 Feb | 22.5 | Ordained Priest | Bl. Pio Alberto del Corona, O.P. † | Priest of Order of Friars Preachers | Bishop Emeritus of San Miniato, Italy | 
| 7 Feb | 87.1 | Died | Giovanni Giuseppe Cappellari † | Bishop of Vicenza, Italy | 
| 49.8 | Died | Alessandro Csajàghy † | Bishop of Csanád, Hungary | 
| 8 Feb | 76.7 | Died | Martino Ursino (Orsino) † | Bishop of Patti, Italy | 
| 10 Feb |  | Born | Charles-Joseph Nicolas, S.M. † |  | Vicar Apostolic of Fiji Island, Pacific (Oceania) | 
| 11 Feb | 75.8 | Died | Luigi Laterza † | Bishop of Crotone (Cotrone), Italy | 
| 12 Feb | 23.0 | Ordained Priest | Eugenio Carlo Valussi † | Priest of Gorizia e Gradisca, Italy | Bishop of Trento, Italy | 
| 13 Feb | 84.2 | Died | Giovanni Saba † | Archbishop of Oristano, Italy | 
| 16 Feb |  | Born | John Joseph McCort † |  | Bishop of Altoona, Pennsylvania, USA | 
| 18 Feb |  | Born | José Alves Matoso † |  | Bishop of Guarda, Portugal | 
| 19 Feb |  | Born | Robert J. Winkley, M.H.M. † |  | Prefect of Kafiristan e Kashmir, Pakistan | 
| 20 Feb | 73.5 | Died | Agnello Giuseppe d’Auria Loffredo † | Bishop of Nocera de’ Pagani, Italy | 
| 21 Feb | 68.7 | Died | Richard Pius Miles, O.P. † | Bishop of Nashville, Tennessee, USA | 
| 36.7 | Succeeded | James Whelan, O.P. † | Bishop of Nashville, Tennessee, USA | Bishop Emeritus | 
| 23 Feb | 22.0 | Ordained Priest | Andrés Chinchón, O.P. † | Priest of Order of Friars Preachers | Vicar Apostolic of Amoy, China | 
|  | Born | Joseph Robert Cowgill † |  | Bishop of Leeds, England, Great Britain | 
| 25 Feb | 23.6 | Ordained Priest | Félix-Auguste Béguinot † | Priest of Bourges, France | Bishop of Nîmes (-Uzès e Alès), France | 
| 26 Feb |  | Born | Luigi Pellizzo † |  | Bishop Emeritus of Padova {Padua}, Italy | 
| 27 Feb | 83.0 | Died | Mariano Brasca Bartocci † | Bishop Emeritus of Amelia, Italy | 
| 84.6 | Resigned | Michael Blake † | Bishop of Dromore, Ireland | 
| 25.2 | Ordained Priest | Mieczyslaw Leonard Pallulon † | Priest | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania | 
| 2 Mar |  | Born | Tito Maria Cucchi † |  | Bishop of Senigallia, Italy | 
| 3 Mar | 23.3 | Ordained Priest | José Homobono Anaya y Gutiérrez † | Priest | Bishop of Chilapa, Guerrero, México | 
| 22.8 | Ordained Deacon | Crescencio Carrillo y Ancona † | Deacon of Yucatán (Mérida), México | Bishop | 
| 23.2 | Ordained Priest | José Luis Cárcamo y Rodríguez † | Priest of San Salvador, El Salvador | Bishop | 
| 4 Mar |  | Born | Jean-Claude Bouchut, M.E.P. † |  | Vicar Apostolic of Phnom-Penh, Cambodia | 
| 6 Mar | 84.6 | Died | Michael Blake † | Bishop Emeritus of Dromore, Ireland | Bishop | 
| 57.6 | Succeeded | John Pius Leahy, O.P. † | Bishop of Dromore, Ireland | 
| 8 Mar | 24.1 | Ordained Deacon | Joaquim José Vieira † | Deacon | Bishop Emeritus of Fortaleza (Ceará), Brazil | 
| 9 Mar | 82.3 | Died | Adalbert von Pechmann † | Auxiliary Bishop of Passau, Germany | 
| 12 Mar |  | Born | Arnold Frans Diepen † |  | Bishop of ’s-Hertogenbosch (Bois-le-Duc), Netherlands | 
| 13 Mar | 57.8 | Selected | Michele Adinolfi † | Bishop of Nocera de’ Pagani, Italy | 
|  | Appointed | Thomas Butler † | Coadjutor Bishop of Hobart, Australia | Priest | 
|  | Appointed | Thomas Butler † | Titular Bishop of Achantus | Priest | 
| 46.1 | Selected | Michelangelo (Pietro Geremia) Celesia, O.S.B. † | Bishop of Patti, Italy | Cardinal, Archbishop of Palermo, Italy | 
| 53.8 | Selected | Luigi Maria (Honuphrius Maria) Lembo, O.F.M. Obs. † | Bishop of Crotone (Cotrone), Italy | 
| 42.3 | Selected | Luigi Riccio † | Bishop of Caiazzo, Italy | 
| 52.0 | Selected | Gaetano Maria Striscia (Stiscia) † | Bishop of Nusco, Italy | 
| 51.7 | Selected | Federico Tolimieri † | Bishop of Monopoli, Italy | 
| 15 Mar |  | Born | Cyrillo de Paula Freitas † |  | Bishop Emeritus of Corumbá, Mato Grosso do Sul, Brazil | 
| 19 Mar | 21.5 | Simple Vows | Bonifacio Maria (Hermann Josef) Krug, O.S.B. † | Member of Order of Saint Benedict | Abbot of Montecassino, Italy | 
| 21 Mar |  | Born | Rinaldo Camillo Rousset, O.C.D. † |  | Archbishop of Reggio Calabria, Italy | 
| 23 Mar | 57.8 | Confirmed | Michele Adinolfi † | Bishop of Nocera de’ Pagani, Italy | 
| 47.2 | Appointed | Elia Antonio Alberini (Alberani), O.C.D. † | Bishop of Ascoli Piceno, Italy | 
| 49.4 | Confirmed | João Crisóstomo de Amorim Pessoa, O.F.M. Ref. † | Bishop of Santiago de Cabo Verde | Archbishop Emeritus of Braga, Portugal | 
| 49.5 | Confirmed | Manuel de Santa Rita Barros, T.O.R. † | Bishop of Angola e Congo | 
| 46.9 | Appointed | Fidelis Bufarini † | Bishop of Comacchio, Italy | Bishop Emeritus | 
| 46.1 | Confirmed | Michelangelo (Pietro Geremia) Celesia, O.S.B. † | Bishop of Patti, Italy | Cardinal, Archbishop of Palermo, Italy | 
| 71.2 | Appointed | Melchiade Ferlisi † | Titular Patriarch of Constantinople | 
| 62.7 | Appointed | Anton Fiałkowski † | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine | Archbishop of Mohilev, Belarus | 
| 68.1 | Confirmed | Hryhorij Jachimowicz † | Archbishop of Lviv (Ukrainian), Ukraine | 
| 47.2 | Confirmed | Adam Jasiński † | Bishop of Przemyśl, Poland | 
| 32.6 | Confirmed | Valerio Laspro † | Bishop of Gallipoli, Italy | Archbishop of Salerno (-Acerno), Italy | 
| 53.9 | Confirmed | Luigi Maria (Honuphrius Maria) Lembo, O.F.M. Obs. † | Bishop of Crotone (Cotrone), Italy | 
| 41.9 | Appointed | Luigi Mariotti † | Bishop of Montefeltro, Italy | 
| 42.2 | Appointed | Giovanni Monetti † | Bishop of Cervia, Italy | 
| 44.3 | Appointed | Vincenzo Moretti † | Bishop of Cesena, Italy | Cardinal, Archbishop Emeritus of Ravenna, Italy | 
| 59.4 | Appointed | Enrico Orfei † | Cardinal, Archbishop of Ravenna, Italy | 
| 63.4 | Confirmed | Tomasz Syrus (Toma) Polyanskyi (Polanski) † | Bishop of Przemyśl, Sambor, et Sanok (Ukrainian), Poland | Bishop Emeritus | 
| 42.4 | Confirmed | Luigi Riccio † | Bishop of Caiazzo, Italy | 
| 44.1 | Appointed | Alessandro Paolo Spoglia † | Bishop of Ripatransone, Italy | Bishop Emeritus of Comacchio, Italy | 
| 52.0 | Confirmed | Gaetano Maria Striscia (Stiscia) † | Bishop of Nusco, Italy | 
| 46.7 | Appointed | Pedro José Tordoya Montoya † | Auxiliary Bishop of Lima, Peru | Bishop Emeritus of Cuzco, Peru | 
| 46.7 | Appointed | Pedro José Tordoya Montoya † | Titular Bishop of Tiberiopolis | Bishop Emeritus of Cuzco, Peru | 
| 51.8 | Confirmed | Federico Tolimieri † | Bishop of Monopoli, Italy | 
| 72.8 | Appointed | Juan Gregorio Urbieta † | Bishop of Paraguay (o Ssma Assunzione) | 
| 57.6 | Confirmed | Bartholomäus Widmer † | Bishop of Ljubljana, Slovenia | Bishop Emeritus | 
| 56.3 | Confirmed | Franciszek Ksawery Wierzchlejski † | Archbishop of Lviv, Ukraine | 
| 24 Mar |  | Born | Léon-Alexandre Lejeune, C.S.Sp. † |  | Prefect of Lower Niger {Niger Inferiore}, Nigeria | 
| 74.0 | Died | Domenico-Maria-Giuseppe Lo Jacono, C.R. † | Bishop of Agrigento (Girgenti), Italy | 
| 24.2 | Ordained Priest | Lawrence Stephen McMahon † | Priest of Boston, Massachusetts, USA | Bishop of Hartford, Connecticut, USA | 
| 23.9 | Ordained Priest | Agnello Renzullo † | Priest | Bishop Emeritus of Nola, Italy | 
| 27.2 | Ordained Priest | Domenico Maria Valensise † | Priest | Bishop Emeritus of Nicastro, Italy | 
| 25 Mar | 38.0 | Ordained Bishop | Vicente Arbeláez Gómez † | Titular Bishop of Maximianopolis in Arabia | Archbishop of Santafé en Nueva Granada, Colombia | 
| 23.9 | Ordained Priest | Antônio Cândido Alvarenga † | Priest of São Paulo, Brazil | Bishop | 
| 32.6 | Ordained Bishop | Valerio Laspro † | Bishop of Gallipoli, Italy | Archbishop of Salerno (-Acerno), Italy | 
| 41.9 | Ordained Bishop | Luigi Mariotti † | Bishop of Montefeltro, Italy | 
| 44.1 | Ordained Bishop | Alessandro Paolo Spoglia † | Bishop of Ripatransone, Italy | Bishop Emeritus of Comacchio, Italy | 
| 24.1 | Ordained Priest | Joaquim José Vieira † | Priest | Bishop Emeritus of Fortaleza (Ceará), Brazil | 
| 30 Mar | 23.6 | Ordained Priest | Petrus von Hötzl, O.F.M. Ref. † | Priest of Order of Reformed Friars Minor | Bishop of Augsburg, Germany | 
| 1 Apr | 40.2 | Ordained Bishop | Ambroise Abdo (Abdou) † | Patriarchal Vicar of Jerusalem {Gerusalemme} (Melkite Greek), Palestine | 
|  | Born | Jules-Alexandre-Léon Bouissière † |  | Bishop of Constantine (-Hippone), Algeria | 
| 3 Apr | 62.0 | Died | Nicola Sterlini † | Bishop of Calvi e Teano, Italy | 
| 4 Apr |  | Born | Pierre-Louis Genoud, C.S.Sp. † |  | Bishop Emeritus of Guadeloupe et Basse-Terre, Antilles | 
| 7 Apr |  | Born | Pedro Adán (Pietro-Adamo) Brioschi, P.I.M.E. † |  | Archbishop of Cartagena, Colombia | 
| 25.2 | Ordained Priest | Luigi Lazzareschi † | Priest | Bishop Emeritus of Gubbio, Italy | 
| 9 Apr | 53.6 | Died | Charles Pius Montgomery, O.P. † | Priest of Order of Friars Preachers | 
| 24.7 | Ordained Priest | John Moore † | Priest of Charleston, South Carolina, USA | Bishop of Saint Augustine, Florida, USA | 
| 15 Apr | 46.2 | Ordained Bishop | Michelangelo (Pietro Geremia) Celesia, O.S.B. † | Bishop of Patti, Italy | Cardinal, Archbishop of Palermo, Italy | 
| 42.3 | Ordained Bishop | Giovanni Monetti † | Bishop of Cervia, Italy | 
| 38.9 | Ordained Bishop | John Sweeny † | Bishop of Saint John in New Brunswick, New Brunswick, Canada | Bishop of Saint John, New Brunswick, Canada | 
| 16 Apr |  | Born | Cosimo Agostino † |  | Bishop of Ariano, Italy | 
| 20 Apr | 25.7 | Ordained Priest | Christopher Augustine Reynolds † | Priest of Adelaide, Australia | Archbishop of Adelaide, Australia | 
| 22 Apr | 53.9 | Ordained Bishop | Luigi Maria (Honuphrius Maria) Lembo, O.F.M. Obs. † | Bishop of Crotone (Cotrone), Italy | 
| 52.1 | Ordained Bishop | Gaetano Maria Striscia (Stiscia) † | Bishop of Nusco, Italy | 
| 51.8 | Ordained Bishop | Federico Tolimieri † | Bishop of Monopoli, Italy | 
| 52.3 | Resigned | Joannes Zadighian † | Bishop-Elect of Ispahan {Esfáan} (Armenian), Iran | Former Bishop-Elect | 
| 23 Apr |  | Born | Carlo Sica † |  | Bishop Emeritus of Foligno, Italy | 
| 26 Apr |  | Born | St. Józef Bilczewski † |  | Archbishop of Lviv, Ukraine | 
| 57.4 | Professed | Armand-Françios-Marie de Charbonnel, O.F.M. Cap. † | Member of Order of Friars Minor Capuchin | Bishop Emeritus of Toronto, Ontario, Canada | 
| 57.4 | Resigned | Armand-Françios-Marie de Charbonnel, O.F.M. Cap. † | Bishop of Toronto, Ontario, Canada | Bishop Emeritus | 
| 44.1 | Succeeded | John Joseph Lynch, C.M. † | Bishop of Toronto, Ontario, Canada | Archbishop of Toronto, Ontario, Canada | 
| 27 Apr |  | Born | Prudencio Melo y Alcalde † |  | Archbishop of Valencia, Spain | 
| 29 Apr | 25.0 | Ordained Priest | Perfecto Amézquita y Gutiérrez, C.M. † | Priest of Congregation of the Mission | Bishop of Tlaxcala (Puebla de los Angeles), México |