| 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 of Order of Saint Benedict | Bishop of Clifton, England, Great Britain |
| Born | Thomas Louis Connolly, O.F.M. Cap. † | Cork, Ireland | Archbishop of Halifax, Nova Scotia, Canada |
| 84.3 | Died | Agostino Gregorio Golino † | Bishop of Trevico, Italy |
| 81.6 | Died | Giuseppe Guzzetta † | Titular Bishop of Lampsacus |
| 27.5 | Ordained Priest | Guillermo Martínez Riaguas † | Priest | Bishop of Astorga, Spain |
| 76.7 | Died | Raimondo Moncada, C.R. † | Bishop of Patti, Italy |
| 30.4 | Ordained Priest | Charles-Jean de la Motte de Broons et de Vauvert † | Priest | Bishop of Vannes, France |
| Born | Marc-Thomas Oliffe † | Ireland | Coadjutor Vicar Apostolic of Western Bengal, India |
| Died | Manuel Redondo y Gómez † | Bishop of Santa Marta, Colombia |
| 77.0 | Died | Charles Colbert Seignelay de Castle Hill † | Bishop Emeritus of Rodez, France |
| 79.1 | Died | Paolantonio Agostini Zamperoli † | Bishop of Urbania-Sant’Angelo in Vado, Italy |
| 5 Jan | | Born | Carlo Cristofori † | Viterbo, Italy | 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 |
| 18 Jan | 23.7 | Ordained Priest | Carlo Romanò † | Priest | Bishop of Como, Italy |
| 20 Jan | | Born | Fabián Sebastián Arenzana y Magdaleno † | Calahorra | Bishop of Calahorra y La Calzada, Spain |
| 24 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 |
| 3 Feb | 40.7 | Appointed | Kapriel (Gabriel) Khoudeyd (Hadid) † | Bishop of Alep (Armenian), Syria |
| 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 Emeritus 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}, Viet Nam |
| 23 Feb | | Born | Pedro Ruiz Zumaeta † | Chachapoyas | Bishop of Chachapoyas, Peru |
| 26 Feb | 72.8 | Died | Manuel Ignacio González de Campillo Gómez del Valle † | Bishop of Tlaxcala, México |
| 1 Mar | 51.2 | Succeeded | Augustin Milletich (Miletic), O.F.M. † | Vicar Apostolic of Bosniae Othomanae, Croatia |
| Died | Gregorius de Varess, O.F.M. † | Vicar Apostolic of Bosniae Othomanae, Croatia | Titular Bishop of Ruspae |
| 2 Mar | | Born | Claude-Henri-Augustin Plantier † | Ceyzérieux | Bishop of Nîmes, France |
| 12 Mar | | Born | Giuseppe Bugliari † | Sofia di Epiro | Titular Bishop of Dausara |
| 13 Mar | 25.2 | Ordained Deacon | José Manuel Gregorio Indaburu (Yndaburu) † | Deacon | Bishop of La Paz, Bolivia |
| 14 Mar | 25.2 | Ordained Priest | José Manuel Gregorio Indaburu (Yndaburu) † | Priest | Bishop of La Paz, Bolivia |
| 19 Mar | 22.1 | Ordained Deacon | Joseph Schrott † | Deacon | Bishop of Beograd (-Smederevo), Serbia |
| 22 Mar | | Born | Mariano Cuartero y Medina, O.P. † | Frescano, Spain | Bishop of Jaro, Philippines |
| 1 Apr | | Born | Fedele Bufarini † | Recanati | Bishop Emeritus of Comacchio, Italy |
| 2 Apr | 76.5 | Died | Alessandro Garimberti † | Bishop of Borgo San Donnino, Italy |
| 3 Apr | 24.1 | Ordained Priest | Mario Giuseppe Mirone † | Priest | Bishop of Noto, Italy |
| 24.3 | Ordained Priest | Camillo Monteforte † | Priest | Auxiliary Bishop of Napoli {Naples}, Italy |
| 7 Apr | 72.4 | Died | Andrzej Antoni Ignacy Gawroński † | Bishop of Kraków, Poland |
| 9 Apr | | Born | Giuseppe Valerga † | Luano, Italy | Patriarch of Jerusalem {Gerusalemme}, Palestine |
| 10 Apr | 71.3 | Died | Jean-René Asseline † | Bishop of Boulogne (-Sur-Mer), France |
| Born | Iosif Papp-Szilágyi † | Er-Teresa | Bishop of Oradea Mare {Gran Varadino} (Romanian), Romania |
| 17 Apr | 55.1 | Ordained Priest | Adam Friedrich von Groß zu Trockau † | Priest of Würzburg, Germany | Bishop |
| 25.0 | Ordained Priest | Mariano Venturi † | Priest | Bishop of Veroli, Italy |
| 24 Apr | 62.8 | Resigned | Ernst Maria Ferdinand von Bissingen-Nieppenburg † | Auxiliary Bishop of Konstanz {Constance}, Germany | Auxiliary Bishop Emeritus |
| Born | James Chadwick † | Drogheda, Ireland | Bishop of Hexham and Newcastle, England, Great Britain |
| 26 Apr | 24.3 | Professed | Antonio María Sánchez Cid y Carrascal, C.O. † | Priest of Confederation of Oratorians of St. Philip Neri | Bishop of Coria, Spain |
| 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 |
| 5 May | 41.0 | Ordained Bishop | Kapriel (Gabriel) Khoudeyd (Hadid) † | Bishop of Alep (Armenian), Syria |
| 8 May | 65.0 | Died | Johann Prokop von Schaffgotsch † | Bishop of Ceské Budĕjovice {Budweis}, Czech Republic |
| 9 May | 80.2 | Died | Jean-Pierre Saurine † | Bishop of Strasbourg, France |
| 10 May | | Born | Giovanni Battista Maneschi † | Foligno | Bishop of Veroli, Italy |
| 16 May | | Born | Domenico Bartolini † | Rome, Italy | Cardinal, Cardinal-Priest of San Marco |
| 22 May | | Born | Tommaso Bichi † | Oristano | Auxiliary Bishop of Oristano, Italy |
| 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 |
| Jun | 68.4 | Died | Dominic Bellew † | Bishop of Killala, Ireland |
| 3 Jun | | Born | Jacinto Vera y Durán † | Santa Caterina, Italy | Bishop of Montevideo, Uruguay |
| 5 Jun | | Born | Angelus Boccamazzi † | Tufara | Titular Bishop of Cydonia (Agia, Canea) |
| 12 Jun | 26.8 | Ordained Priest | Guglielmo Aretini-Sillani † | Priest | Bishop Emeritus of Terracina, Priverno e Sezze, Italy |
| 24.3 | Ordained Priest | Angelo Filipponi † | Priest | Bishop Emeritus of Nardò, Italy |
| 24.7 | Ordained Priest | Ferdinando Girardi, C.M. † | Priest of Congregation of the Mission | Bishop of Sessa Aurunca, Italy |
| 24.6 | Ordained Priest | Giovanni Negri † | Priest | Bishop of Tortona, Italy |
| 23.0 | Ordained Priest | Vincent Scarpa † | Priest | Bishop-Elect of Belluno e Feltre, Italy |
| 24.0 | Ordained Priest | Letterio Turchi † | Priest | Bishop of Città di Castello, Italy |
| 13 Jun | 25.4 | Ordained Priest | Charles McNally † | Priest | Bishop of Clogher, Ireland |
| 14 Jun | 21.9 | Ordained Deacon | Carlos Cristóvão Genuês Pereira † | Deacon | Bishop of Faro {Algarve}, Portugal |
| 16 Jun | 21.9 | Ordained Priest | Carlos Cristóvão Genuês Pereira † | Priest | Bishop of Faro {Algarve}, Portugal |
| 24 Jun | 62.0 | Died | Andrés Quintian Ponte de Andrade † | Bishop of Cuenca, Ecuador |
| 1 Jul | | Born | Pedro José Tordoya Montoya † | Caraveli | Bishop Emeritus of Cuzco, Peru |
| 3 Jul | | Born | Benedetto Lavecchia Guarnieri, O.F.M. † | Canicatti | Archbishop of Siracusa, Italy |
| 6 Jul | 87.3 | 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) |
| 25 Jul | 25.0 | Ordained Deacon | Emerico Farkas † | Deacon | Bishop of Székesfehérvár (Albareale), Hungary |
| 26 Jul | 25.0 | Ordained Priest | Emerico Farkas † | Priest | Bishop of Székesfehérvár (Albareale), Hungary |
| 1 Aug | 23.1 | Ordained Deacon | Jozef Kunszt † | Deacon | Archbishop of Kalocsa, Hungary |
| 3 Aug | 23.6 | Ordained Priest | Antonio Clemens Scisman † | Priest | Bishop of Ancira (Angora) (Armenian), Turkey |
| 8 Aug | 23.1 | Ordained Priest | Jozef Kunszt † | Priest | Archbishop of Kalocsa, Hungary |
| 13 Aug | | Born | Paul Ambroise Bigandet, M.E.P. † | Malans, France | Vicar Apostolic of Southern Burma {Birmania Meridionale}, Myanmar |
| 14 Aug | | Appointed | Athanase IV Matar † | Patriarch of Antiochia {Antioch} (Melkite Greek), Syria |
| Appointed | Athanase IV Matar † | Bishop of Damas (Melkite Greek), Syria | Patriarch of Antiochia {Antioch} (Melkite Greek), Syria |
| 22 Aug | | Born | Johannes Fredericus Antonius Kistemaker † | Oldenzaal, Netherlands | Vicar Apostolic Emeritus of Curaçao, Netherlands Antilles, Antilles |
| 23 Aug | | Born | János Simor † | Székesfehérvár | Cardinal, Archbishop of Esztergom, Hungary |
| 26 Aug | 72.0 | Died | José da Costa e Torres † | Archbishop of Braga, Portugal |
| 28 Aug | 22.5 | Ordained Priest | Joseph Schrott † | Priest | Bishop of Beograd (-Smederevo), Serbia |
| 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 |
| 18 Sep | 24.1 | Ordained Priest | Ferdinando Baldanzi † | Priest | Archbishop of Siena, Italy |
| 24.1 | Ordained Priest | Antonius de Simone † | Priest | Titular Archbishop of Heraclea in Europa |
| 19 Sep | | Born | Pietro Alessandro Doimo Maupas † | Spalato | Archbishop of Zadar (Zara), Croatia |
| 20 Sep | 39.1 | Appointed | Mihail (Mychajlo) Lewicki (Levyckyj) † | Bishop of Przemyśl, Sambor, et Sanok (Ruthenian), Poland | Cardinal, Archbishop of Lviv (Ukrainian), Ukraine |
| 39.1 | Ordained Bishop | Mihail (Mychajlo) Lewicki (Levyckyj) † | Bishop of Przemyśl, Sambor, et Sanok (Ruthenian), 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 |
| 23 Sep | 80.9 | Died | Nicola Buschi † | Bishop of Ferentino, Italy |
| 25 Sep | | Born | Domingos Quirino de Souza † | Estância | Bishop of Goiás, Brazil |
| 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 (Raab), Hungary |
| 71.0 | Died | Gabriel Zerdahely † | Bishop of Banská Bystrica, Slovakia |
| 7 Oct | | Born | Gabriel Grioglio, O.F.M. † | Moretta, Italy | Vicar Apostolic Emeritus of Shansi {Scian-Si} (Chan-Si), China |
| 8 Oct | | Born | Friedrich Egon von Fürstenberg † | Vienna, Austria | Cardinal, Archbishop of Olomouc, Czech Republic |
| 10 Oct | 22.0 | Ordained Deacon | Antônio Joaquim de Mello † | Deacon of São Paulo, Brazil | Bishop |
| 12 Oct | | Born | Tommaso Gallucci † | Ancona | Bishop of Recanati e Loreto, Italy |
| 16 Oct | | Born | Domenico Ramaschiello † | Nocera dei Pagani | Bishop of Sant’Agata de’ Goti, Italy |
| 19 Oct | | Born | Odoardo Agnelli † | Grottammare | President of Pontifical Ecclesiastical Academy, Roman Curia |
| 22 Oct | 69.1 | Died | Gaetano Paolo de Miceli, C.P.O. † | Archbishop of Rossano, Italy |
| 23 Oct | 77.8 | Died | Corrado Maria Deodato de Moncada † | Bishop of Catania, Italy |
| 24 Oct | 70.3 | Died | Agustín Iñigo Abad Lasierra, O.S.B. † | Bishop of Barbastro, Spain |
| 25 Oct | | Born | Pierre Nicolaus 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, México |
| 7 Nov | | Born | Giovanni Bapt. Cerruti † | Varazze | Bishop of Savona e Noli, Italy |
| 9 Nov | | Born | Manuel Teodoro del Valle Seoane † | Hatun-Jauja | Archbishop Emeritus of Lima, Peru |
| 10 Nov | | Born | Patrick Duggan † | Musiefeld | Bishop of Clonfert, Ireland |
| 20 Nov | | Died | Athanase IV Matar † | Patriarch of Antiochia {Antioch} (Melkite Greek), Syria |
| 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 Greek), Syria |
| Appointed | Macaire IV Tawil, B.S. † | Bishop of Damas (Melkite Greek), Syria | Patriarch of Antiochia {Antioch} (Melkite Greek), Syria |
| 2 Dec | | Born | Joseph Feßler (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 |
| 6 Dec | | Born | Joseph Maria Bravi, O.S.B. † | Potenza Picena | Vicar Apostolic of Colombo, Sri Lanka |
| 10 Dec | 65.3 | Died | Luiz de Brito Homem † | Bishop of São Luís do Maranhão, Brazil |
| Born | Luigi Corsani † | Prato | Bishop of Fiesole, Italy |
| 14 Dec | | Born | Francisco de Paula Verea y González † | Analeo | Bishop of Tlaxcala, México |
| 15 Dec | 63.3 | Died | Ignacy Bardziński † | Auxiliary Bishop of Gniezno, Poland |
| 18 Dec | 23.0 | Ordained Deacon | Pier Grisologo Basetti † | Deacon of Parma, Italy | Bishop of Borgo San Donnino, Italy |
| 24.1 | Ordained Priest | Giuseppe Passaponti † | Priest | Auxiliary Bishop of Bologna, Italy |
| 24.0 | Ordained Priest | Raffaele Purpo † | Priest | Bishop of Pozzuoli, Italy |
| 24.2 | Ordained Priest | Louis-François Robin † | Priest | Bishop of Bayeux (-Lisieux), France |
| 20 Dec | | Born | Giacinto Luzi † | Comunanza | Bishop of Narni, Italy |
| 23 Dec | 80.3 | Died | Vittorio Filippo Melano, O.P. † | Bishop of Novara, Italy |
| 24 Dec | 24.3 | Ordained Priest | Francesco Capezzuti † | Priest | Bishop of Ariano, Italy |
| 29 Dec | | Born | Nikolaus Adames † | Ulflingen | Bishop Emeritus of Luxembourg |
| 31 Dec | 69.4 | Died | Raffaele Mormile, C.R. † | Archbishop of Palermo, Italy |