| Date | Age | Event | Bishop | Title | Current Title |
|---|
| unknown | | Died | José Andrés de Achurra y Núñez del Arco † | Bishop of Trujillo, Peru |
| 58.2 | Ordained Bishop | Miguel Alvarez Cortez † | Bishop of Cartagena, Colombia | Bishop of Quito, Ecuador |
| Died | Bartolomeo Criscuolo † | Bishop of Lettere-Gragnano, Italy |
| 72.0 | Died | Joseph-Crispin des Achards de La Baume † | Bishop of Cavaillon, France |
| 37.3 | Ordained Bishop | Joaquín de Osés y Alzúa y Caparacio † | Bishop of Santiago de Cuba | Archbishop of Santiago de Cuba |
| 70.0 | Died | Charles de La Cropte de Chanterac † | Bishop of Alet, France |
| Appointed | António Luís da Veiga Cabral e Câmara † | Bishop of Bragança e Miranda, Portugal |
| Born | Juan Francisco Escalante y Moreno † | Sonora | Auxiliary Bishop of Sonora, Sonora, México |
| Died | Giuseppe Antonio Farao † | Bishop of San Severo, Italy |
| Born | William Kinsella † | | Bishop of Ossory, Ireland |
| Died | Marco de Leone † | Bishop of Campagna, Italy |
| 40.0 | Resigned | de Longueville † | Prefect of Iles Saint-Pierre et Miquelon | Prefect Emeritus |
| Died | João Rafael de Mendonça † | Bishop of Porto, Portugal |
| Born | Paolo Moise Musa † | Giazzin | Archbishop of Tripoli del Libano {Tarabulus} (Maronite), Lebanon |
| 79.7 | Died | Isidro Rodríguez Lorenzo, O.S.Bas. † | Archbishop Emeritus of Santo Domingo, Dominican Republic |
| Died | Giuseppe de Rosa † | Bishop of Policastro, Italy |
| Born | Piotr Pawel Beniamin Szymański, O.F.M. Cap. † | Varsavia | Bishop Emeritus of Podlachia o Janów, Poland |
| Died | Gioacchino Vassetta † | Bishop of Castellaneta, Italy |
| 2 Jan | | Born | Balthasar Schitter † | Mariapfarr | Auxiliary Bishop of Salzburg, Austria |
| 3 Jan | 46.8 | Appointed | John Young † | Coadjutor Bishop of Limerick, Ireland | Bishop |
| 13 Jan | 55.2 | Ordained Bishop | Henri Reymond † | Bishop of Foreign Diocese | Bishop of Dijon, France |
| 19 Jan | 78.4 | Died | Bernardo Lorca Quiñones, O.S.H. † | Bishop of Guadix, Spain |
| 22 Jan | | Born | Jean-Pierre Losana † | Vigone | Bishop of Biella, Italy |
| 28 Jan | 72.1 | Died | Alexandre-César d'Anterroches † | Bishop of Condom, France |
| 31 Jan | 72.7 | Resigned | José Gregorio Alonso de Ortigosa † | Bishop of Antequera, Oaxaca, México | Bishop Emeritus |
| 1 Feb | | Born | Guilherme Henriques de Carvalho † | Coimbra | Cardinal, Patriarch of Lisboa, Portugal |
| 5 Feb | 42.1 | Appointed | Charles La Mothe, M.E.P. † | Coadjutor Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam | Vicar Apostolic |
| 42.1 | Appointed | Charles La Mothe, M.E.P. † | Titular Bishop of Castoria | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 8 Feb | 68.6 | Died | Agustín Rubín Cevallos † | Bishop of Jaén, Spain |
| 23 Feb | 23.0 | Ordained Priest | Jean Arnold Barret † | Priest of Liège, Belgium | Bishop of Namur {Namen}, Belgium |
| 24.5 | Ordained Priest | Edward Dominic Fenwick, O.P. † | Priest of Order of Friars Preachers | Bishop of Cincinnati, Ohio, USA |
| 25.0 | Ordained Priest | José Caetano da Silva Coutinho † | Priest | Bishop of São Sebastião do Rio de Janeiro, Brazil |
| 24 Feb | 53.9 | Ordained Bishop | Gregorio José de Omaña y Sotomayor † | Bishop of Antequera, Oaxaca, México |
| Mar | 53.2 | Died | Etienne-Joseph de Pavée de Villevieille † | Bishop of Bayonne, France |
| 10 Mar | 61.2 | Ordained Bishop | Feliciano Alonso, O.P. † | Titular Bishop of Fesseë | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viêt Nam |
| 16 Mar | | Born | Jean-Marie Graveran † | Crozon | Bishop of Quimper [Cornouailles](-Léon), France |
| 17 Mar | 46.1 | Ordained Bishop | Giovanni Filippo Gallarati Scotti † | Titular Archbishop of Side | Cardinal, Prefect Emeritus of the Prefecture of the Papal Household |
| 19 Mar | | Born | José María Guerra y Rodríguez Correa † | San Francisco de Campeche | Bishop of Yucatán (Mérida), Yucatán, México |
| 26 Mar | 76.4 | Died | Francesco Carrara † | Cardinal, Cardinal-Priest of S. Silvestro in Capite |
| 87.4 | Died | Joseph Ferdinand Guidobald Reichsgraf von Spaur und Valör † | Titular Bishop of Abila in Palaestina |
| 31 Mar | 70.1 | Died | Francesco Ferdinando Sanseverino † | Archbishop of Palermo, Italy |
| 7 Apr | 65.3 | Ordained Bishop | Manel María Trujillo Jurado, O.F.M. † | Bishop of Albarracin, Spain | Bishop Emeritus |
| 10 Apr | | Born | Jozef Gaganecz † | Galizia, Slovakia | Bishop of Prešov (Prjašev) (Byzantine), Slovakia |
| 14 Apr | 85.6 | Died | Anton Peter Graf Przichowsky von Przichowitz † | Archbishop of Praha {Prague}, Czech Republic |
| 19 Apr | 69.7 | Appointed | Esteban Lorenzo de Tristán y Esmenota † | Bishop of Guadalajara, Jalisco, México |
| 21 Apr | 57.4 | Ordained Bishop | Cándido Manuel de Torrijos Riguerra, O.P. † | Bishop of Mérida, Venezuela |
| 25 Apr | 23.0 | Ordained Priest | Pierre-Joseph Rey † | Priest of Genève {Geneva}, Switzerland | Bishop of Pinerolo, Italy |
| 1 May | 48.0 | Appointed | Wilhelm Florentin Fürst von Salm-Salm † | Archbishop of Praha {Prague}, Czech Republic |
| 12 May | 26.4 | Ordained Bishop | Antoine Casimir Libère de Stockem † | Titular Bishop of Canopus | Auxiliary Bishop of Liège, Belgium |
| 20 May | 47.2 | Ordained Bishop | John Young † | Coadjutor Bishop of Limerick, Ireland | Bishop |
| 25 May | 25.4 | Ordained Priest | Luiz de Castro Pereira, C.S.J. † | Priest | Prelate of Cuiabá, Brazil |
| 24.1 | Ordained Priest | Carlo Oppizoni (Opizzoni) † | Priest of Milano {Milan}, Italy | Cardinal, Archbishop Emeritus of Bologna, Italy |
| 23.0 | Ordained Priest | Ferdinando Maria Pignatelli, C.R. † | Priest of Congregation of Clerics Regular | Cardinal, Archbishop of Palermo, Italy |
| 24.3 | Ordained Priest | Joachin (Gioacchino Domenico) Salvetti, O.F.M. † | Priest of Order of Friars Minor | Vicar Apostolic of Shansi {Scian-Si} (Chan-Si), China |
| 23.2 | Ordained Priest | Gregorius Thomas Ziegler, O.S.B. † | Priest of Order of Saint Benedict | Bishop of Linz, Austria |
| 31 May | | Born | Ladislav Zábojský † | Presov | Bishop of Spiš, Slovakia |
| 7 Jun | 73.3 | Died | Vitaliano Borromeo † | Cardinal, Titular Archbishop of Thebae |
| 15 Jun | 64.0 | Died | Antoni Onufry Okecki † | Bishop of Poznań, Poland | Bishop of Chelm, Poland |
| 17 Jun | 65.0 | Appointed | Juan Francisco Armada Araujo † | Bishop of Huesca, Spain |
| Appointed | Filippo López y Rojo † | Archbishop of Palermo, Italy | Archbishop Emeritus |
| 50.5 | Appointed | Francesco Giovanni Scutellari Ajani † | Titular Bishop of Ioppe |
| 71.1 | Appointed | Agustín Vázquez Varela, O. Cist. † | Bishop of Solsona, Spain |
| 75.8 | Appointed | Francesco Saverio de Zelada † | Cardinal-Priest of S. Prassede | Cardinal, Archivist of the Vatican Secret Archives |
| 24 Jun | 50.5 | Ordained Bishop | Francesco Giovanni Scutellari Ajani † | Titular Bishop of Ioppe |
| 29 Jun | | Born | Pedro Espinosa y Dávalos † | Tepic | Archbishop of Guadalajara, Jalisco, México |
| 2 Jul | 69.9 | Installed | Esteban Lorenzo de Tristán y Esmenota † | Bishop of Guadalajara, Jalisco, México |
| 13 Jul | 23.0 | Ordained Priest | Kaspar Max Freiherr Droste zu Vischering † | Priest of Münster, Germany | Bishop |
| 29 Jul | 41.6 | Appointed | Patrick MacMullan † | Coadjutor Bishop of Down and Connor, Ireland | Bishop |
| 4 Aug | 24.3 | Ordained Priest | Manuel Santo Galdino, O.F.M. † | Priest of Order of Friars Minor | Archbishop of Goa, India |
| 47.7 | Ordained Bishop | Juan Antonio de la Virgen María (Viana), O.C.D. † | Bishop of Caracas, Santiago de Venezuela | Bishop of Almería, Spain |
| 12 Aug | | Born | François-Adélaïde-Adolphe Lanneluc † | Toulouse | Bishop of Aire, France |
| 23 Aug | 46.5 | Appointed | Giovanni Filippo Gallarati Scotti † | Apostolic Nuncio to Other | Cardinal, Prefect Emeritus of the Prefecture of the Papal Household |
| 58.3 | Died | Antonio Puñuela Alonso † | Bishop of Zamora, Spain |
| 43.0 | Appointed | Luigi Ruffo Scilla † | Apostolic Nuncio to Austria | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 25 Aug | | Born | Jean-Aimé de Levezou de Vezins † | Millau | Bishop of Agen, France |
| 2 Sep | 76.7 | Died | Henri-Louis-René Des Nos † | Bishop of Verdun, France |
| 12 Sep | | Born | Gaetano Maria Cattani † | Modena | Bishop of Carpi, Italy |
| 20 Sep | 61.6 | Died | Joseph de Montfalcon du Cénole † | Archbishop of Tarentaise, France |
| 21 Sep | 47.2 | Ordained Bishop | Jean Labartette, M.E.P. † | Titular Bishop of the unknown of Titular See | Vicar Apostolic of Cochin {Cocincina}, Viêt Nam |
| 41.7 | Ordained Bishop | Patrick MacMullan † | Coadjutor Bishop of Down and Connor, Ireland | Bishop |
| 22 Sep | | Born | Michelangelo Orlandi † | Rocca Sigillina | Bishop of Pontremoli, Italy |
| 23 Sep | 48.4 | Confirmed | Wilhelm Florentin Fürst von Salm-Salm † | Archbishop of Praha {Prague}, Czech Republic |
| 37.6 | Appointed | Lorenzo Litta † | Titular Archbishop of Thebae | Cardinal, Official of the Roman Curia - Other |
| 56.4 | Appointed | Juan Félix de Villegas † | Archbishop of Guatemala |
| 27 Sep | 77.5 | Died | Michel Conseil † | Bishop of Chambéry, France |
| 28 Sep | | Born | Denis-Auguste Affre † | Saint-Rome-de-Tarn | Archbishop of Paris, France |
| Oct | 40.1 | Died | Dominic Laurence Graessl, S.J. † | Priest of Society of Jesus | Coadjutor Bishop of Baltimore, Maryland, USA |
| 6 Oct | 37.6 | Ordained Bishop | Lorenzo Litta † | Titular Archbishop of Thebae | Cardinal, Official of the Roman Curia - Other |
| 11 Oct | 78.7 | Died | Raniero Finocchietti † | Cardinal, Cardinal-Deacon of S. Agata de’ Goti |
| 12 Oct | 64.5 | Died | Jean-Charles-Vincent-Gaspar-Constantin-Antoine Giovio † | Archbishop of Avignon, France |
| 26 Oct | 86.9 | Died | Albert-Simon d’Aigneville de Millancourt † | Auxiliary Bishop of Cambrai, France |
| Born | Franz Xaver Kuttnar † | Schahmannstal | Bishop of Lavant, Slovenia |
| 31 Oct | 77.8 | Died | Dionys Graf von Rost † | Bishop of Chur, Switzerland |
| Nov | 65.9 | Died | José Constancio Andino † | Bishop of Osma, Spain |
| 3 Nov | | Born | Michael Franciscus Buttigieg † | Qala | Bishop of Gozo, Malta |
| 7 Nov | 66.2 | Resigned | Johann Baptist Joseph Gobel † | Auxiliary Bishop of Basel, Switzerland | Auxiliary Bishop Emeritus |
| 66.2 | Resigned | Johann Baptist Joseph Gobel † | Titular Bishop of Lydda | Auxiliary Bishop Emeritus of Basel, Switzerland |
| 10 Nov | 71.5 | Ordained Bishop | Agustín Vázquez Varela, O. Cist. † | Bishop of Solsona, Spain |
| 13 Nov | 65.4 | Ordained Bishop | Juan Francisco Armada Araujo † | Bishop of Huesca, Spain |
| 16 Nov | | Born | Juan José Biec Belio † | Angües | Bishop of Jaca, Spain |
| Born | François Lacroix † | Entraygues-sur-Truyère | Bishop of Bayonne, France |
| 21 Nov | | Born | Manuel Martins Manso † | Bemposta | Bishop of Guarda, Portugal |
| 23 Nov | 62.4 | Resigned | Francisco Antonio Pablo Sieni Flannings, O.F.M. Cap. † | Auxiliary Bishop of San Cristobal de la Habana, Cuba | Auxiliary Bishop Emeritus of San Cristobal de la Habana, Cuba |
| 4 Dec | 69.3 | Died | Marcantonio Colonna † | Cardinal, Cardinal-Bishop of Palestrina |
| 54.7 | Died | Franc Jožef Mikolič (Mikolitsch) † | Auxiliary Bishop of Ljubljana, Slovenia |
| 8 Dec | 40.3 | Appointed | Dominic Laurence Graessl, S.J. † | Coadjutor Bishop of Baltimore, Maryland, USA |
| 40.3 | Appointed | Dominic Laurence Graessl, S.J. † | Titular Bishop of Samosata | Coadjutor Bishop of Baltimore, Maryland, USA |
| 12 Dec | 56.6 | Died | Joseph Ernest Gandolph Graf von Kuenburg † | Bishop of Lavant, Slovenia |
| 21 Dec | 22.9 | Ordained Priest | Roman Sebastian (Franz Xaver) Zängerle, O.S.B. † | Priest of Order of Saint Benedict | Bishop of Seckau, Austria |
| 25 Dec | | Born | Andreas Charvaz † | Tarantasia | Archbishop of Genova, Italy |
| 31 Dec | | Born | Jean-Jacques-Marie-Antoine Guerrin † | Vesoul | Bishop of Langres, France |
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