| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 22.8 | Ordained Priest | Vicente Barreiro y Pérez, O.S.A. † | Priest of Order of St. Augustine | Bishop of Nueva Segovia, Philippines |
| 21.3 | Ordained Priest | Thomas Burgess † | Priest | Bishop of Clifton, England, Great Britain |
| 71.4 | Died | José da Costa e Torres † | Archbishop of Braga, Portugal |
| 22.5 | Ordained Priest | Jozef Kunszt † | Priest | Archbishop of Kalocsa, Hungary |
| Appointed | Athanase IV Matar † | Patriarch of Antiochia {Antioch} (Melkite), Syria |
| Died | Athanase IV Matar † | Patriarch of Antiochia {Antioch} (Melkite), Syria |
| Died | Raimondo Moncada † | Bishop of Patti, Italy |
| 77.0 | Died | Charles Colbert Seignelay de Castle Hill † | Bishop Emeritus of Rodez, France |
| 5 Jan | | Born | Carlo Cristofori † | Viterbo | Cardinal, Prefect of the Congregation for Indulgences and Relics |
| 6 Jan | | Born | Paul Ludolf Melchers, S.J. † | Münster | Cardinal, Archbishop Emeritus of Köln {Cologne}, Germany |
| 14 Jan | 87.0 | Died | José Sáenz Santamaría † | Bishop of Segovia, Spain |
| 16 Jan | | Born | Georges Darboy † | Fayl-Billot | Archbishop of Paris, France |
| 20 Jan | | Born | Fabián Sebastián Arenzana Magdaleno † | Calahorra | Bishop of Calahorra y La Calzada, Spain |
| 26 Jan | | Born | Alexander Smith † | Cuttlebrée, Enzie | Coadjutor Vicar Apostolic of Western District, Scotland, Great Britain |
| 27 Jan | | Born | Francesco Pedicini † | Fogliano | Archbishop of Bari (-Canosa), Italy |
| 30 Jan | | Born | Pedro Jose Puch y Solona † | Charcas | Archbishop of La Plata o Charcas, Bolivia |
| 4 Feb | | Born | Johannes Bernard Brinkmann † | Everswinkel | Bishop of Münster, Germany |
| 7 Feb | | Born | Jean-Etienne Sémeria, O.M.I. † | La Colla, Italy | Vicar Apostolic of Jaffna, Sri Lanka |
| 12 Feb | 72.0 | Died | Filippo Ganucci † | Bishop of Livorno, Italy |
| Born | Valentin Wiery † | St. Marien, Slovenia | Bishop of Gurk, Austria |
| 13 Feb | | Born | Giuseppe Aggarbati, O.S.A. † | Civitanova | Bishop of Senigallia, Italy |
| 81.1 | Died | Joaquín Company Soler, O.F.M. † | Archbishop of Valencia, Spain |
| 20 Feb | | Born | François-Marie-Henri-Agathon Pellerin, M.E.P. † | Quimper, France | Vicar Apostolic of Northern Cochin {Cocincina Settentrionale}, Viêt Nam |
| 26 Feb | 72.8 | Died | Manuel Ignacio González de Campillo Gómez del Valle † | Bishop of Tlaxcala, Tlaxcala, México |
| 2 Mar | | Born | Claude-Henri-Augustin Plantier † | Ceyzérieux | Bishop of Nimes, France |
| 12 Mar | | Born | Giuseppe Bugliari † | Sofia di Epiro | Titular Bishop of Dansara |
| 22 Mar | | Born | Mariano Cuartero y Medina, O.P. † | Frescano, Spain | Bishop of Jaro, Philippines |
| 1 Apr | | Born | Fedele Bufarini † | Recanati | Bishop of Comacchio, Italy |
| 2 Apr | 76.5 | Died | Alessandro Garimberti † | Bishop of Borgo San Donnino, Italy |
| 7 Apr | 72.4 | Died | Andrzej Antoni Ignacy Gawronski † | Bishop of Kraków, Poland |
| 9 Apr | | Born | Giuseppe Valerga † | Luano, Italy | Patriarch of Gerusalemme {Jerusalem}, Palestine |
| 17 Apr | 55.1 | Ordained Priest | Adam Friedrich Freiherr von Groß zu Trockau † | Priest of Würzburg, Germany | Bishop |
| 24 Apr | 62.8 | Resigned | Ernst Maria Ferdinand Graf von Bissingen † | Auxiliary Bishop of Konstanz {Constance}, Germany | Auxiliary Bishop Emeritus |
| Born | James Chadwick † | Drogheda, Ireland | Bishop of Hexham and Newcastle, England, Great Britain |
| 27 Apr | | Born | James Frederick Bryan Wood † | Philadelphia, PA | Archbishop of Philadelphia, Pennsylvania, USA |
| 2 May | 68.1 | Died | Antonio Despuig y Dameto † | Cardinal, Archbishop Emeritus of Sevilla {Seville}, Spain |
| 7 May | 80.2 | Died | Jean-Pierre Saurine † | Bishop of Strasbourg, France |
| 8 May | 65.0 | Died | Johann Prokop Graf von Schaffgotsch † | Bishop of Ceské Budĕjovice {Budweis}, Czech Republic |
| 10 May | | Born | Giovanni Battista Maneschi † | Foligno | Bishop of Veroli, Italy |
| 16 May | | Born | Domenico Bartolini † | Rome | Cardinal, Cardinal-Priest of S. Marco |
| 22 May | | Born | Tommaso Bichi † | Oristano | Titular Bishop of Ressiana |
| Born | Johan Joseph Faict † | Leffinghe | Bishop of Brugge {Bruges}, Belgium |
| 31 May | | Born | Ildefonso Joaquín Infante y Macías, O.S.B. † | Moguer | Bishop Emeritus of San Cristóbal de La Laguna o Tenerife, Spain |
| 3 Jun | | Born | Jacinto Vera y Durán † | S. Caterina | Bishop of Montevideo, Uruguay |
| 13 Jun | 26.4 | Ordained Priest | Charles McNally † | Priest | Bishop of Clogher, Ireland |
| 24 Jun | 62.0 | Died | Andrés Quintian Ponte de Andrade † | Bishop of Cuenca, Ecuador |
| 1 Jul | | Born | Pietro Giuseppe Tardoya † | Caraveli | Titular Bishop of Tiberiopolis |
| 3 Jul | | Born | Benedetto Lavecchia Cuarnieri, O.F.M. † | Canicatti | Archbishop of Siracusa, Italy |
| 6 Jul | | Died | Bartolomeo Bacher † | Bishop of Ripatransone, Italy |
| 9 Jul | 68.7 | Died | Jean-Baptiste Duvoisin † | Bishop of Nantes, France |
| 17 Jul | 63.2 | Died | António José Cordeiro † | Bishop of Aveiro, Portugal |
| 20 Jul | | Died | Manuel Joaquín González de Acuña y Saenz † | Bishop of Panamá |
| Born | Juan Antonio Puig y Montserrat, O.F.M. † | Felanitx, Spain | Bishop of Puerto Rico (Porto Rico) |
| 31 Jul | | Born | Francis Kelly † | Omagh | Bishop of Derry, Ireland |
| 13 Aug | | Born | Paul Ambroise Bigandet, M.E.P. † | Malans, France | Vicar Apostolic of Southern Burma {Birmania Meridionale}, Myanmar |
| 23 Aug | | Born | János Simor † | Székesfehérvár | Cardinal, Archbishop of Esztergom, Hungary |
| 3 Sep | | Born | Paolo Pinna † | Pozzomaggiore | Bishop of Ampurias e Tempio, Italy |
| 4 Sep | | Born | José Maria de Urquinaona y Vidot † | Cádiz | Bishop of Barcelona, Spain |
| 15 Sep | | Born | David William Bacon † | New York, NY | Bishop of Portland, Maine, USA |
| 19 Sep | | Born | Pietro Alessandro Doimo Maupas † | Spalato | Archbishop of Zadar (Zara), Croatia |
| Born | Pierre-Alfred Grimardias † | Maringues | Bishop of Cahors, France |
| 20 Sep | 39.6 | Appointed | Mihail (Mychajlo) Lewicki (Levyckyj) † | Bishop of Przemyśl (Ukrainian), Poland | Cardinal, Archbishop of Lviv (Ukrainian), Ukraine |
| 39.6 | Ordained Bishop | Mihail (Mychajlo) Lewicki (Levyckyj) † | Bishop of Przemyśl (Ukrainian), Poland | Cardinal, Archbishop of Lviv (Ukrainian), Ukraine |
| 21 Sep | 71.0 | Died | Francisco Mateo Aguiriano Gómez † | Bishop of Calahorra y La Calzada, Spain |
| 22 Sep | 67.6 | Died | John Young † | Bishop of Limerick, Ireland |
| 2 Oct | | Born | César-Victor-Ange-Jean-Baptiste Jourdan † | Marseille | Bishop of Tarbes, France |
| 5 Oct | 75.3 | Died | Jozef Ignác de Vilt (Wilt) † | Bishop of Győr, Hungary |
| 12 Oct | | Born | Tommaso Gallucci † | Ancona | Bishop of Recanati-Loreto, Italy |
| 16 Oct | | Born | Domenico Ramaschiello † | Nocera dei Pagani | Bishop of Sant’Agata de’ Goti, Italy |
| 24 Oct | 70.3 | Died | Agustín Iñigo Abad Lasierra, O.S.B. † | Bishop of Barbastro, Spain |
| 25 Oct | | Born | Pierre Lavaissière, C.M. † | Grandelles, France | Vicar Apostolic of Chekiang {Ce-Kiam}, China |
| 31 Oct | 75.0 | Died | Ferdinand-Maximilien-Mériadec de Rohan-Guémené † | Archbishop Emeritus of Cambrai, France |
| 4 Nov | | Born | Carlos María Colina y Rubio † | Colina | Bishop of Tlaxcala, Tlaxcala, México |
| 9 Nov | | Born | Manuel Teodoro del Valle † | Autum-Jauja | Archbishop Emeritus of Lima, Peru |
| 10 Nov | | Born | Patrick Duggan † | Musiefeld | Bishop of Clonfert, Ireland |
| 22 Nov | 68.6 | Died | Sylvestre a Maria Santissima (Santa Maria), O.F.M. † | Bishop of Santiago de Cabo Verde |
| 28 Nov | | Appointed | Macaire IV Tawil, B.S. † | Patriarch of Antiochia {Antioch} (Melkite), Syria |
| 2 Dec | | Born | Joseph Feßler † | Lochau (Vorarlberg) | Bishop of Sankt Pölten, Austria |
| Born | Melchior-Marie-Joseph de Marion-Brésillac, M.E.P. † | Castelnaudary, France | Vicar Apostolic of Sierra Leone |
| 10 Dec | 65.3 | Died | Luiz de Brito Homem † | Bishop of São Luís do Maranhão, Brazil |
| Born | Luigi Corsani † | Prato | Bishop of Fiesole, Italy |
| 13 Dec | | Born | Francisco de Paula Verea y González † | Guadalajara | Bishop of Tlaxcala, Tlaxcala, México |
| 15 Dec | 63.3 | Died | Ignacy Bardziński † | Auxiliary Bishop of Gniezno, Poland |
| 20 Dec | | Born | Giacinto Luzi † | Comunanza | Bishop of Narni, Italy |
| 23 Dec | 81.0 | Died | Vittorio Filippo Melano, O.P. † | Bishop of Novara, Italy |
| 29 Dec | | Born | Nikolaus Adames † | Ulflingen | Bishop Emeritus of Luxembourg |