| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 22.3 | Ordained Priest | Ramón Barberá y Boada † | Priest | Bishop of Palencia, Spain |
| 69.9 | Resigned | Giacomo Bahtiarian † | Bishop of Amida (Diarbekir) (Armenian), Turkey | Bishop Emeritus |
| 13.1 | Converted | Bernardine Thomas Edward Clark, O.F.M. Cap. † | Bishop of Port Victoria o Seychelles |
| 70.7 | Appointed | Niccola Paracciani Clarelli † | Cardinal, Prefect of the Congregation of the Reverend Fabric of St. Peter |
| 21.5 | First Vows | Charles Cox, O.M.I. † | Member of Oblates of Mary Immaculate | Vicar Apostolic Emeritus of Transvaal, South Africa |
| 40.0 | Appointed | Aloys Elloy, S.M. † | Apostolic Administrator of Archipelago of the Navigators {Arcipelago dei Navigatori}, American Samoa, Pacific (Oceania) | Vicar Apostolic of Central Oceania, Tonga |
| 22.2 | Ordained Priest | Giacinto Gaggia † | Priest | Bishop of Brescia, Italy |
| 26.0 | Ordained Priest | Elias Pierre Hoyek (Hoayek) † | Priest | Patriarch of Antiochia {Antioch} (Maronite), Lebanon |
| 63.8 | Ceased | Utto (Georg) Lang, O.S.B. † | President of Order of Saint Benedict | President Emeritus |
| 28.8 | Professed | Ambrogio Onorato Luddi, O.P. † | Priest of Order of Friars Preachers | Bishop Emeritus of Assisi, Italy |
| 33.0 | Ordained Priest | Théodore Messaieh (Msayeh) † | Priest | Archbishop of Kerkūk (Chaldean), Iraq |
| 22.7 | Ordained Priest | Edward Magennis † | Priest | Bishop of Kilmore, Ireland |
| Born | Hendrik Nollen, M.S.C. † | | Prefect Emeritus of Nuova Guinea Olandese, Indonesia |
| 34.0 | Appointed | Andrés Justo Pérez, S.J. † | Prefect of Canelos e Macas, Ecuador | Vicar Apostolic of Napo, Ecuador |
| Died | Macaire Samman † | Bishop Emeritus |
| 27.3 | Professed | Stefano Scarella, P.I.M.E. † | Priest of Pontifical Institute for Foreign Missions | Vicar Apostolic of Southern Honan {Ho-Nan Meridionale}, China |
| 17.1 | Professed | Elías Suárez, O.E.S.A. † | Member of Order of Hermits of St. Augustine | Pro-Vicar Apostolic Emeritus of Northern Hunan {Hu-Nan Settentrionale}, China |
| 1 Jan | | Born | Ferenc Gossman † | | Auxiliary Bishop of Vác, Hungary |
| 3 Jan | 58.9 | Appointed | Annibale Capalti † | Cardinal, Prefect of the Congregation for Studies |
| 66.0 | Died | Eduardo Vásquez, O.P. † | Bishop of Panamá |
| 4 Jan | | Born | Thomas Wulstan Pearson, O.S.B. † | | Bishop of Lancaster, England, Great Britain |
| 73.9 | Died | Adam Wojtkiewicz † | Bishop of Minsk, Belarus |
| 8 Jan | 42.6 | Selected | Charles-Émile Freppel † | Bishop of Angers, France |
| 46.0 | Selected | Joseph-Clair Reyne † | Bishop of Guadeloupe et Basse-Terre, Antilles |
| 9 Jan | 40.9 | Ordained Bishop | Augustus Maria Bernard Anthony John Gebhard Toebbe † | Bishop of Covington, Kentucky, USA |
| 19 Jan | 71.2 | Died | Johann Georg Müller † | Bishop of Münster, Germany |
| 21 Jan | 49.1 | Appointed | Jean-Dominique Barbero, P.I.M.E. † | Vicar Apostolic of Hyderabad, India |
| 49.1 | Appointed | Jean-Dominique Barbero, P.I.M.E. † | Titular Bishop of Doliche | Vicar Apostolic of Hyderabad, India |
| 50.0 | Appointed | Louis-Gabriel Delaplace, C.M. † | Vicar Apostolic of Northern Chi-Li {Ce-Li Settentrionale} o Pe-Kin, China |
| 44.5 | Appointed | Edmond-François Guierry, C.M. † | Vicar Apostolic of Chekiang {Ce-Kiam}, China |
| 23 Jan | 42.7 | Ordained Bishop | Peter Joseph Baltes † | Bishop of Alton, Illinois, USA |
| Born | William Francis O’Hare, S.J. † | | Vicar Apostolic of Giamaica o Jamaica, Antilles |
| 26 Jan | 46.3 | Died | Francisco de Paula Suárez Peredo y Bezares † | Bishop of Veracruz-Jalapa, México |
| 27 Jan | | Born | Atanasio María Vicente Soler y Royo, O.F.M. Cap. † | | Vicar Apostolic of Goajira, Colombia |
| 28 Jan | 20.0 | Entered | Alphonse Daignault, S.J. † | Member of Society of Jesus | Superior Emeritus of Zambese, Zimbabwe |
| 30 Jan | 37.9 | Ordained Bishop | Pierre-Timothee Attar (Hattar) † | Bishop of Diarbekir (Amida) (Chaldean), Turkey | Bishop Emeritus of Mardin (Chaldean), Turkey |
| 38.9 | Ordained Bishop | Gabriel Farzo † | Bishop of Mardin (Chaldean), Turkey |
| 79.3 | Died | Bertrand-Sévère Mascarou-Laurence † | Bishop of Tarbes, France |
| 1 Feb | | Born | Luis Durou y Sure, C.M. † | | Archbishop of Guatemala |
| 2 Feb | 37.2 | Final Vows | Paul François Marie Goethals, S.J. † | Priest of Society of Jesus | Archbishop of Calcutta, India |
| 65.4 | Died | Mariano Puigllat y Amigó † | Bishop of Lérida, Spain |
| Born | Feliciano Rocha Pizarro † | | Bishop of Plasencia, Spain |
| 4 Feb | | Born | Juvencio Juan Hospital de la Puebla, O. Cart. † | | Vicar Apostolic Emeritus of Northern Hunan {Hu-Nan Settentrionale}, China |
| 6 Feb | | Born | Ernesto Coppo, S.D.B. † | | Vicar Apostolic Emeritus of Kimberley in Western Australia |
| 8 Feb | 45.5 | Appointed | Caspar Henry Borgess † | Titular Bishop of Calydon | Bishop Emeritus of Detroit, Michigan, USA |
| 65.0 | Appointed | Napoléon-Joseph Perché † | Coadjutor Archbishop of New Orleans, Louisiana, USA | Archbishop |
| 65.0 | Appointed | Napoléon-Joseph Perché † | Titular Archbishop of Abdera | Archbishop of New Orleans, Louisiana, USA |
| 9 Feb | 25.1 | Ordained Priest | Nematalla Seluan † | Priest | Archbishop of Cyprus (Maronite) |
| 11 Feb | 45.5 | Appointed | Caspar Henry Borgess † | Coadjutor Bishop of Detroit, Michigan, USA | Bishop Emeritus |
| 37.0 | Appointed | Antonio Colomer, O.P. † | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viet Nam | Vicar Apostolic of Northern Tonking {Tonkino Settentrionale}, Viet Nam |
| 37.0 | Appointed | Antonio Colomer, O.P. † | Titular Bishop of Themiscyra | Vicar Apostolic of Northern Tonking {Tonkino Settentrionale}, Viet Nam |
| 12 Feb | 58.6 | Died | Basilio Gil y Bueno † | Bishop of Huesca, Spain |
| 23.2 | Ordained Priest | Benedetto Spila, O.F.M. † | Priest of Order of Friars Minor | Bishop Emeritus of Alatri, Italy |
| 13 Feb | 62.6 | Ordained Bishop | Antonio Tomás Iturralde (Yturralde) † | Bishop of Ibarra, Ecuador | Bishop Emeritus |
| 14 Feb | | Born | Ignace Hummel, S.M.A. † | | Vicar Apostolic of Costa d’Oro {Gold Coast}, Ghana |
| 15 Feb | | Born | Noël (Natal-Pierre-Marie) de Cleene, C.I.C.M. † | | Vicar Apostolic of Léopoldville, Congo (Dem. Rep.) |
| Born | Jean-Justin-Michel Girbeau † | | Bishop of Nîmes (-Uzès e Alès), France |
| 21 Feb | | Born | Roberto Giulio Colombo, O.F.M. Cap. † | | Prelate of São José do Grajaú, Brazil |
| 23 Feb | | Born | Vincenzo Celli † | | Auxiliary Bishop of Beatissima Vergine Maria del SS.mo Rosario, Italy |
| Born | François-Joseph Dantin, M.S. † | | Vicar Apostolic of Antsirabé, Madagascar |
| 61.3 | Appointed | Antonio Giuseppe Pluym, C.P. † | Titular Archbishop of Tyana | Bishop Emeritus of Nicopoli, Bulgaria |
| 61.3 | Resigned | Antonio Giuseppe Pluym, C.P. † | Bishop of Nicopoli, Bulgaria | Bishop Emeritus |
| 24 Feb | | Born | João Batista Becker † | | Archbishop of Porto Alegre, Rio Grande do Sul, Brazil |
| Born | Jules-Géraud Saliège † | | Cardinal, Archbishop of Toulouse (-Narbonne-Saint Bertrand de Comminges-Rieux), France |
| 25 Feb | 82.3 | Died | Louis-Jacques-Maurice de Bonald † | Cardinal, Archbishop of Lyon (-Vienne), France |
| 27 Feb | | Born | Manuel Antonio Arboleda y Scarpetta, C.M. † | | Archbishop of Popayán, Colombia |
| 47.9 | Ordained Bishop | Thomas Patrick Roger Foley † | Titular Bishop of Pergamum | Coadjutor Bishop of Chicago, Illinois, USA |
| 2 Mar | | Born | Arthur Béliveau † | | Archbishop of Saint-Boniface, Manitoba, Canada |
| 3 Mar | | Born | Augusto Klinke Leier † | | Apostolic Administrator of Valdivia, Chile |
| 9 Mar | 63.2 | Selected | Jacques-Marie-Achille Ginoulhiac † | Archbishop of Lyon (-Vienne), France |
| 55.1 | Selected | Pierre-Antoine-Justin Paulinier † | Bishop of Grenoble, France | Archbishop of Besançon, France |
| 10 Mar | 49.0 | Died | [Paul Marie Stefan de Djunkowsky] † | Prefect Emeritus of Arctic Pole |
| 48.0 | Installed | Thomas Patrick Roger Foley † | Coadjutor Bishop of Chicago, Illinois, USA |
| 560.1 | Beatified | Bl. Guillaume Grimoard, O.S.B. † | Pope (Roma {Rome}, Italy) |
| 11 Mar | 43.0 | Appointed | John Cameron † | Coadjutor Bishop of Arichat, Nova Scotia, Canada | Bishop of Antigonish, Nova Scotia, Canada |
| 43.0 | Appointed | John Cameron † | Titular Bishop of Titiopolis | Bishop of Antigonish, Nova Scotia, Canada |
| 54.3 | Appointed | Daniel McGettigan † | Archbishop of Armagh, Ireland |
| 47.1 | Appointed | Ignazio Camillo Guglielmo Maria Pietro Persico, O.F.M. Cap. † | Bishop of Savannah, Georgia, USA | Cardinal, Prefect of the Congregation for Indulgences and Relics |
| 64.8 | Appointed | Jean Marcel Pierre Auguste Vérot, P.S.S. † | Bishop of Saint Augustine, Florida, USA |
| 12 Mar | 41.4 | Ordained Deacon | António Aires de Gouveia (Ayres de Gouvea) † | Deacon | Titular Archbishop of Chalcedon |
| Born | René-Marie-Joseph Perros, M.E.P. † | | Vicar Apostolic Emeritus of Bangkok, Thailand |
| 26.1 | Ordained Priest | Augustyn Rosentreter † | Priest of Chelmno (Culma, Kulm), Poland | Bishop |
| 13 Mar | | Born | Thomas O’Shea, S.M. † | | Archbishop of Wellington, New Zealand |
| 45.2 | Ordained Bishop | José de Jesús María Uriarte y Pérez † | Bishop of Sonora, México | Bishop of Sinaloa, México |
| 14 Mar | | Born | Vilmos Batthyány † | | Bishop Emeritus of Nitra, Slovakia |
| 15 Mar | 44.2 | Appointed | Géraud Bray, C.M. † | Vicar Apostolic of Kiam-Si {Kiangsi}, China | Vicar Apostolic of Northern Kiangsi {Kiam-Si Settentrionale}, China |
| 44.2 | Appointed | Géraud Bray, C.M. † | Titular Bishop of Lagania | Vicar Apostolic of Northern Kiangsi {Kiam-Si Settentrionale}, China |
| 16 Mar | 53.3 | Selected | Pierre-Anastase Pichenot † | Bishop of Tarbes, France | Archbishop of Chambéry, France |
| 18 Mar | 54.0 | Appointed | John Joseph Lynch, C.M. † | Archbishop of Toronto, Ontario, Canada |
| Born | Michael Ott, O.S.B. † | | Abbot Emeritus of Saint Peter-Muenster, Saskatchewan, Canada |
| 19 Mar | | Died | Denys Joseph Hayek (Samne) † | Archbishop Emeritus of Alep [Beroea, Halab] (Syrian), Syria |
| 24.5 | Ordained Priest | Luigi Piccardo † | Priest | Auxiliary Bishop of Jerusalem {Gerusalemme}, Palestine |
| 21 Mar | 43.7 | Appointed | Federico León Aneiros (Aneyros) † | Auxiliary Bishop of Buenos Aires, Argentina | Archbishop |
| 43.7 | Appointed | Federico León Aneiros (Aneyros) † | Titular Bishop of Aulon | Archbishop of Buenos Aires, Argentina |
| 45.1 | Appointed | Manuel Canuto Restrepo y Villegas † | Bishop of Pasto, Colombia | Bishop Emeritus |
| 43.8 | Confirmed | Pierre-Paul de Cuttoli † | Bishop of Ajaccio, France |
| 42.8 | Confirmed | Charles-Émile Freppel † | Bishop of Angers, France |
| 34.5 | Appointed | Francesco Maria Granado † | Coadjutor Bishop of Cochabamba, Bolivia | Bishop |
| 53.0 | Appointed | Giuseppe Milesi Pironi Ferretti † | Cardinal, Cardinal-Bishop of Sabina |
| 49.9 | Appointed | José María Mora y Daza † | Bishop of Veracruz-Jalapa, México | Bishop of Tlaxcala (Puebla de los Angeles), México |
| 46.2 | Appointed | Ignacio Antonio Parra † | Bishop of Panamá | Bishop of Nueva Pamplona, Colombia |
| 36.5 | Ordained Priest | Giuseppe Gaetano Felice Quandel, O.S.B. † | Priest of Order of Saint Benedict | Abbot of Montecassino, Italy |
| 46.2 | Confirmed | Joseph-Clair Reyne † | Bishop of Guadeloupe et Basse-Terre, Antilles |
| 25 Mar | 22.5 | Ordained Priest | Tomás Jenaro de Cámara y Castro, O.E.S.A. † | Priest of Order of Hermits of St. Augustine | Bishop of Salamanca, Spain |
| 82.2 | Died | Giovanni Battista Ciofi † | Bishop of Chiusi e Pienza, Italy |
| 26 Mar | 79.0 | Died | José Manuel de Lemos † | Bishop of Coimbra, Portugal |
| Born | Luigi Sincero † | | Cardinal, Secretary of the Congregation for the Oriental Churches |
| 27 Mar | 41.5 | Ordained Priest | António Aires de Gouveia (Ayres de Gouvea) † | Priest | Titular Archbishop of Chalcedon |
| 30 Mar | 56.1 | Selected | Zigmund Szuppán † | Bishop of Banská Bystrica, Slovakia | Priest |
| 31 Mar | 66.1 | Died | Antonín Arnošt Schaaffgotsche † | Bishop of Brno, Czechia |
| 3 Apr | 49.3 | Ordained Bishop | Jean-Dominique Barbero, P.I.M.E. † | Titular Bishop of Doliche | Vicar Apostolic of Hyderabad, India |
| 45.2 | Ordained Bishop | Manuel Canuto Restrepo y Villegas † | Bishop of Pasto, Colombia | Bishop Emeritus |
| 53.0 | Ordained Bishop | Giuseppe Milesi Pironi Ferretti † | Cardinal, Cardinal-Bishop of Sabina |
| 6 Apr | | Born | Arturo Celestino Álvarez † | | Bishop of Calabozo, Venezuela |
| 57.1 | Selected | Johannes Bernard Brinkmann † | Bishop of Münster, Germany |
| 7 Apr | | Born | Giuseppe Romeo † | | Bishop of Nocera de’ Pagani, Italy |
| 10 Apr | 45.3 | Installed | José de Jesús María Uriarte y Pérez † | Bishop of Sonora, México | Bishop of Sinaloa, México |
| 12 Apr | 82.6 | Died | Raffaele Biale † | Bishop of Albenga, Italy |
| 13 Apr | 76.1 | Died | Alexandru Dobra † | Bishop of Lugoj (Romanian), Romania |
| 15 Apr | 58.5 | Died | Matteo Eustachio Gonella † | Cardinal, Bishop of Viterbo e Tuscania, Italy |
| 16 Apr | 24.0 | Ordained Priest | Giuseppe Ceppetelli (Cepetelli) † | Priest | Vicegerent of Roma {Rome}, Italy |
| 24.0 | Ordained Priest | Jean-Marie-Léon Dizien † | Priest of Sens (-Auxerre), France | Bishop of Amiens, France |
| 17 Apr | 50.2 | Ordained Bishop | José Joaquín Isaza Ruiz † | Titular Bishop of Evaria | Bishop of Medellín, Colombia |
| Born | Louis Van Hoeck, S.J. † | | Bishop of Ranchi, India |
| 18 Apr | 43.9 | Ordained Bishop | Pierre-Paul de Cuttoli † | Bishop of Ajaccio, France |
| 42.8 | Ordained Bishop | Charles-Émile Freppel † | Bishop of Angers, France |
| 46.2 | Ordained Bishop | Joseph-Clair Reyne † | Bishop of Guadeloupe et Basse-Terre, Antilles |
| 21 Apr | | Born | Stanislaw Wojciech Okoniewski † | | Bishop of Chelmno (Culma, Kulm), Poland |
| 24 Apr | 45.7 | Ordained Bishop | Caspar Henry Borgess † | Titular Bishop of Calydon | Bishop Emeritus of Detroit, Michigan, USA |
| 54.3 | Ordained Bishop | Francisco Javier Rodríguez † | Bishop of Santa Cruz de la Sierra, Bolivia |
| 62.1 | Died | Gaetano Maria Striscia (Stiscia) † | Bishop of Nusco, Italy |
| 26 Apr | | Born | Paschal Charles David Robinson, O.F.M. † | | Apostolic Nuncio to Ireland |
| 30 Apr | 78.2 | Died | Thomas Cooke † | Bishop of Trois-Rivières, Québec, Canada |
| Born | Auguste De Clercq, C.I.C.M. † | | Vicar Apostolic of Kasaï Superiore, Congo (Dem. Rep.) |
| 51.6 | Succeeded | Louis-François Richer dit Laflèche † | Bishop of Trois-Rivières, Québec, Canada |
| Born | Juan Perelló y Pou, M.S.C. † | | Bishop of Vic, Spain |