| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 49.5 | Appointed | Antoine-René Bardonnenche † | Bishop of Vence, France |
| 23.0 | Ordained Priest | Etienne-Marie de Boulogne † | Priest | Bishop of Troyes, France |
| 59.0 | Appointed | Jean de Cairol de Madaillan † | Bishop of Grenoble, France | Bishop Emeritus |
| 47.0 | Appointed | François-Fiacre de Grave † | Bishop of Valence, France |
| 49.3 | Appointed | Étienne-François-Xavier des Michels de Champorcin † | Bishop of Senez, France |
| 27.8 | Ordained Priest | Józef Gabriel Gembart † | Priest of Society of Jesus | Auxiliary Bishop of Gniezno-Poznań, Poland |
| 22.1 | Ordained Priest | Jan Klemens Golaszewski † | Priest | Bishop of Foreign Diocese |
| 36.0 | Appointed | Emmanuel-Louis de Grossoles de Flamarens † | Bishop of Quimper, France | Bishop of Périgueux (Vesuna), France |
| 59.0 | Appointed | Henri Hachette des Portes, O. Carm. † | Bishop of Glandèves, France | Auxiliary Bishop of Reims, France |
| Born | Edward Kernan † | Enniskillen | Bishop of Clogher, Ireland |
| 45.0 | Appointed | Pierre-Joseph de Lastic-Lescure † | Bishop of Rieux, France | Bishop Emeritus |
| 42.4 | Appointed | Charles-Auguste Le Quien de La Neufville † | Bishop of Acqs (Dax), France | Bishop Emeritus |
| 70.0 | Died | Miguel Lino de Ezpeleta † | Bishop of Cebu, Philippines |
| 33.0 | Appointed | Louis-Charles de Machaut † | Coadjutor Bishop of Amiens, France | Bishop Emeritus |
| 33.0 | Appointed | Louis-Charles de Machaut † | Titular Bishop of Europus | Bishop Emeritus of Amiens, France |
| Born | James Magauran † | Templeport | Bishop of Ardagh (and Clonmacnois), Ireland |
| 56.3 | Appointed | Mario Marefoschi Compagnoni † | Cardinal, Prefect of the Congregation of Rites |
| Appointed | João Rafael de Mendonça † | Bishop of Porto, Portugal |
| Died | Carlo Mineo † | Bishop of Patti, Italy |
| 48.0 | Ordained Bishop | Juan Manuel Moscoso y Peralta † | Titular Bishop of Tricomia | Archbishop of Granada, Spain |
| 52.6 | Appointed | Carlo Nicodemi † | Bishop of Marsico Nuovo, Italy | Bishop of Sant’Angelo dei Lombardi-Bisaccia, Italy |
| Died | Feliciano de Nossa Senhora † | Bishop of Lamego, Portugal |
| Appointed | Gabriel-Louis de Rougé † | Bishop of Périgueux (Vesuna), France |
| 36.6 | Appointed | Léon-François-Ferdinand de Salignac de La Mothe-Fénelon † | Bishop of Lombez, France | Bishop Emeritus |
| 74.1 | Resigned | Louis-Marie de Suarès d'Aulan † | Bishop of Acqs (Dax), France | Bishop Emeritus |
| Appointed | Nicolau Joaquim Torel da Cunha Manuel † | Bishop of Lamego, Portugal |
| Died | Andrea Tortona † | Bishop of Marsico Nuovo, Italy |
| Appointed | Manuel de Vasconcellos Pereira † | Bishop of Miranda, Portugal | Bishop of Lamego, Portugal |
| Jan | 68.1 | Died | José Domingo Rivero † | Bishop of Ceuta, Spain |
| 10 Jan | 62.7 | Died | Filippo Maria Pirelli † | Cardinal, Titular Archbishop of Damascus |
| 15 Jan | 57.7 | Died | Isidro Carvajal Lancaster † | Bishop of Cuenca, Spain |
| 20 Jan | | Born | Roman Sebastian (Franz Xaver) Zängerle, O.S.B. † | Oberkirchberg | Bishop of Seckau, Austria |
| 27 Jan | 48.3 | Appointed | Francisco Antonio de Lorenzana y Butrón † | Archbishop of Toledo, Spain | Cardinal, Archbishop Emeritus |
| 10 Feb | | Born | Marcos Antônio de Souza † | Bahia | Bishop of São Luís do Maranhão, Brazil |
| 4 Mar | 75.1 | Appointed | Lodovico Calini † | Cardinal-Priest of S. Stefano al Monte Celio | Cardinal, Bishop of Crema, Italy |
| 42.7 | Appointed | Francisco Javier Calvo † | Bishop of Santa Marta, Colombia |
| 64.4 | Appointed | Miguel González Bobela † | Auxiliary Bishop of Toledo, Spain |
| 64.4 | Appointed | Miguel González Bobela † | Titular Bishop of Carystus | Auxiliary Bishop of Toledo, Spain |
| 56.1 | Appointed | Manuel Jiménez Pérez, O.S.B. † | Bishop of Puerto Rico (Porto Rico) |
| Appointed | Niccolò Marcacci † | Bishop of Sansepolcro (Borgo San Sepolcro), Italy | Bishop of Arezzo, Italy |
| 41.7 | Appointed | Antoni Onufry Okecki † | Bishop of Chelm, Poland |
| 67.8 | Appointed | Juan Portugal de la Puebla † | Patriarch of Constantinople, Turkey |
| 42.1 | Appointed | Feliks Paweł Turski † | Bishop of Luceoria o Łuck, Ukraine | Bishop of Kraków, Poland |
| 17 Mar | 25.9 | Ordained Priest | Wilhelm Florentin Fürst von Salm-Salm † | Priest of Strasbourg, France | Archbishop of Praha {Prague}, Czech Republic |
| 18 Mar | 57.2 | Died | Antoine-Joseph D'Amat de Volx † | Bishop of Senez, France |
| Born | Modesto Farina † | Lugano | Bishop of Padova {Padua}, Italy |
| 26 Mar | 75.2 | Died | Luis Antonio Fernández de Córdoba Portocarrero Guzmán y Aguilar † | Cardinal, Archbishop of Toledo, Spain |
| 27 Mar | 75.2 | Died | Jean-Marie de Catelan † | Bishop of Rieux, France |
| 1 Apr | 23.0 | Ordained Priest | Jozef Kluch † | Priest | Bishop of Nitra, Slovakia |
| 3 Apr | 74.9 | Died | Ludwig Hatteisen, O.S.B. † | Auxiliary Bishop of Hildesheim, Germany |
| 14 Apr | 41.8 | Ordained Bishop | Antoni Onufry Okecki † | Bishop of Chelm, Poland |
| 17 Apr | 72.8 | Died | Johann Karl Leopold Graf von Scherffenberg † | Auxiliary Bishop of Olomouc, Czech Republic |
| 22 Apr | 66.7 | Died | Francisco Fernández Játiva † | Bishop of Urgell, Spain |
| Born | Matteo Franco † | Salerno | Bishop of Catanzaro, Italy |
| 7 May | | Born | Johann Jakob Humann † | Strasbourg, France | Bishop of Mainz, Germany |
| 8 May | | Born | Dominique-Marie Savy † | Toulouse | Bishop Emeritus of Aire, France |
| 11 May | | Born | Charles de Douhet d'Auzers † | Auzers | Bishop of Nevers, France |
| 21 May | 78.8 | Died | Aleixo de Miranda Henriques, O.P. † | Bishop of Porto, Portugal |
| 34.0 | Ordained Priest | Thomas Johann Kaspar Reichsgraf von Thun und Hohenstein † | Priest of Passau, Germany | Bishop |
| 25 May | 24.0 | Ordained Priest | Gioacchino Maria Mancusi † | Priest | Archbishop of Conza, Italy |
| 24.5 | Ordained Priest | Tomasz Nowinski, C.R.S. Sepul. † | Priest of Other | Auxiliary Bishop of Kraków, Poland |
| 23.0 | Ordained Priest | Johann Prokop Graf von Schaffgotsch † | Priest of Praha {Prague}, Czech Republic | Bishop of Ceské Budĕjovice {Budweis}, Czech Republic |
| 26 May | 23.7 | Ordained Priest | Michal Mateusz Stadnicki, O.S.B.M. † | Priest of Order of the Pious Schools | Bishop of Foreign Diocese |
| 14 Jun | 39.3 | Confirmed | Jean-de-Dieu-Raymond de Boisgelin de Cucè † | Archbishop of Aix, France | Cardinal, Archbishop of Tours, France |
| 17 Jun | 57.5 | Appointed | Manuel de Abad e Illanar, O. Praem. † | Bishop of Arequipa, Peru |
| 50.5 | Appointed | Luis da Anunciação Azevedo, O.P. † | Bishop of Angola e Congo, Angola | Bishop Emeritus |
| 49.8 | Ordained Bishop | Étienne-François-Xavier des Michels de Champorcin † | Bishop of Senez, France |
| 54.2 | Appointed | Manuel Fernández Torres † | Bishop of Ceuta, Spain |
| 57.5 | Appointed | Joaquim Borges de Figueroa † | Bishop of Mariana, Brazil | Archbishop Emeritus of São Salvador da Bahia, Brazil |
| 49.9 | Elevated to Cardinal | Bernardino Giraud † | In Pectore | Cardinal, Archbishop Emeritus of Ferrara, Italy |
| 41.3 | Appointed | Giovanni Ottavio Manciforte Sperelli † | Cardinal, Titular Archbishop of Teodosia |
| 48.4 | Appointed | Juan Manuel Moscoso y Peralta † | Bishop of Córdoba (Tucumán), Argentina | Archbishop of Granada, Spain |
| 62.8 | Appointed | João Evangelista Pereira da Silva, T.O.R. † | Bishop of Belém do Pará, Brazil |
| 53.4 | Appointed | Manoel da Ressurreição, O.F.M. † | Bishop of São Paulo, Brazil |
| 55.2 | Appointed | Joaquín Antonio Sánchez Ferragudo † | Bishop of Lérida, Spain |
| 58.0 | Elevated to Cardinal | Antonio Eugenio Visconti † | In Pectore | Cardinal, Cardinal-Priest of S. Croce in Gerusalemme |
| 21 Jun | 48.5 | Died | Guillaume Piguel, M.E.P. † | Vicar Apostolic of Cochin {Cocincina}, Viêt Nam |
| 22 Jun | 68.7 | Died | Martín Barcia Carrascal † | Bishop of Córdoba, Spain |
| 67.5 | Died | Manoel de Santa Ines Ferreira, O.C.D. † | Archbishop of São Salvador da Bahia, Brazil |
| 23 Jun | 50.5 | Resigned | Gaspard Brunet de Tressemanes † | Bishop of Glandèves, France | Bishop Emeritus |
| 41.3 | Ordained Bishop | Giovanni Ottavio Manciforte Sperelli † | Cardinal, Titular Archbishop of Teodosia |
| 26 Jun | 69.5 | Died | Joseph Bruno de Bausset-Roquefort † | Bishop of Béziers, France |
| 28 Jun | 65.0 | Died | Augustin-François-Annibal de Farcy de Cuillé † | Bishop of Quimper, France |
| 29 Jun | 64.8 | Ordained Bishop | Miguel González Bobela † | Titular Bishop of Carystus | Auxiliary Bishop of Toledo, Spain |
| Jul | 32.9 | Appointed | Aimard-Claude de Nicolay † | Bishop of Béziers, France | Bishop Emeritus |
| 3 Jul | | Born | Lorenzo Ramón Lahoz de San Blas, Sch. P. † | Mezquita de Jarque | Bishop of Huesca, Spain |
| 6 Jul | 145.8 | Beatified | St. Gregorio Giovanni Gasparo Barbarigo † | Cardinal, Bishop of Padova {Padua}, Italy |
| 7 Jul | 39.3 | Ordained Bishop | Jean-Antoine de Castellane Saint-Mauris † | Bishop of Lavaur, France | Bishop Emeritus |
| 10 Jul | | Born | Antonio Maria Cadolini, B. † | Ancona | Cardinal, Bishop of Ancona e Numana, Italy |
| 12 Jul | 59.8 | Died | Flavio Chigi (Jr.) † | Cardinal-Deacon of S. Maria in Portico | Cardinal, Prefect of the Congregation of Rites |
| 14 Jul | 62.5 | Died | Joseph-Antoine-Jacques Richier de Cérisy † | Bishop of Lombez, France |
| 21 Jul | 24.4 | Ordained Priest | Maciej Pawel Mozdzeniewski † | Priest | Auxiliary Bishop of Mohilev, Belarus |
| 22 Jul | | Installed | José de Jesus Maria Caetano, O.P. † | Bishop of Castelo Branco, Portugal |
| 28 Jul | 55.4 | Ordained Bishop | Joaquín Antonio Sánchez Ferragudo † | Bishop of Lérida, Spain |
| 29 Jul | 66.7 | Appointed | Sebastián Flórez Pavón † | Bishop of Cuenca, Spain |
| 4 Aug | 54.3 | Ordained Bishop | Manuel Fernández Torres † | Bishop of Ceuta, Spain |
| 8 Aug | 35.9 | Installed | Jérôme-Marie Champion de Cicé † | Bishop of Rodez, France | Archbishop of Aix, France |
| 18 Aug | | Born | José Uraga Pérez † | Baracaldo | Bishop of Guadix, Spain |
| 19 Aug | 70.4 | Appointed | Antonio Alcalde y Barriga, O.P. † | Bishop of Guadalajara, Jalisco, México |
| 20 Aug | | Born | Ignacy Giedroyc † | Janiski | Coadjutor Bishop of Samogizia o Tels (Zmudz), Lithuania |
| 9 Sep | | Born | Antonio Da Arrabida, O.F.M. † | Lisboa, Portugal | Titular Bishop of Anemurium |
| 10 Sep | 23.4 | Ordained Priest | Leopold Leonhard Reichsgraf von Thun † | Priest of Passau, Germany | Bishop |
| 21 Sep | 23.3 | Ordained Priest | Antonio Dugnani † | Priest of Milano {Milan}, Italy | Cardinal, Prefect of the Apostolic Signatura |
| 23.9 | Ordained Priest | Josef František Hurdalek † | Priest | Bishop Emeritus of Litomĕrice, Czech Republic |
| 23 Sep | 40.6 | Elevated to Cardinal | Innocenzo Conti † | In Pectore | Cardinal, Titular Archbishop |
| 59.7 | Confirmed | Henri Hachette des Portes, O. Carm. † | Bishop of Glandèves, France | Auxiliary Bishop of Reims, France |
| 24 Sep | 43.0 | Appointed | Jean Davoust, M.E.P. † | Coadjutor Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam | Vicar Apostolic |
| 43.0 | Appointed | Jean Davoust, M.E.P. † | Titular Bishop of Ceramus | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 29.9 | Appointed | Pierre-Joseph-Georges Pigneau de Béhaine, M.E.P. † | Vicar Apostolic of Cochin {Cocincina}, Viêt Nam |
| 29.9 | Appointed | Pierre-Joseph-Georges Pigneau de Béhaine, M.E.P. † | Titular Bishop of Adraa | Vicar Apostolic of Cochin {Cocincina}, Viêt Nam |
| 26 Sep | 33.1 | Confirmed | Aimard-Claude de Nicolay † | Bishop of Béziers, France | Bishop Emeritus |
| Born | Mariano Rodríguez de Olmedo y Valle † | Guancarqui, Peru | Archbishop of Santiago de Cuba |
| 27 Sep | 78.5 | Died | Jean de Caulet † | Bishop of Grenoble, France |
| 28 Sep | | Appointed | Agustín Manuel Camacho y Rojas † | Archbishop of Santafé en Nueva Granada, Colombia |
| 29 Sep | 66.8 | Ordained Bishop | Sebastián Flórez Pavón † | Bishop of Cuenca, Spain |
| 5 Oct | 79.5 | Died | Francisco Xavier Aranha † | Bishop of Olinda, Brazil |
| 6 Oct | 43.0 | Ordained Bishop | Jean Davoust, M.E.P. † | Titular Bishop of Ceramus | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 55.0 | Ordained Bishop | Agustín Gorritátegui (Gorrichategui) † | Bishop of Cuzco, Peru |
| 13 Oct | 33.2 | Ordained Bishop | Aimard-Claude de Nicolay † | Bishop of Béziers, France | Bishop Emeritus |
| 17 Oct | | Born | Ambrogio Bianchi, O.S.B. † | Cremona | Cardinal, Priest of the Roman Curia - Other |
| 19 Oct | 65.6 | Died | Johann Adam Buckel † | Auxiliary Bishop of Speyer, Germany |
| Born | Johann Friedrich Oesterreicher † | Bamberg | Bishop of Eichstätt, Germany |
| 22 Oct | 55.3 | Died | Charles Nicolas Alexandre d'Oultremont † | Bishop of Liège, Belgium |
| Born | Gennaro de Rubertis † | Luceto | Bishop of Termoli, Italy |
| 24 Oct | | Born | Juan Francisco Marco y Catalán † | Bello | Cardinal, Priest of the Roman Curia - Other |
| 28 Oct | 50.8 | Ordained Bishop | Luis da Anunciação Azevedo, O.P. † | Bishop of Angola e Congo, Angola | Bishop Emeritus |
| 24.8 | Ordained Priest | Michele Di Pietro † | Priest | Cardinal, Official of the Roman Curia - Other |
| 57.8 | Ordained Bishop | Joaquim Borges de Figueroa † | Bishop of Mariana, Brazil | Archbishop Emeritus of São Salvador da Bahia, Brazil |
| 63.2 | Ordained Bishop | João Evangelista Pereira da Silva, T.O.R. † | Bishop of Belém do Pará, Brazil |
| 53.8 | Ordained Bishop | Manoel da Ressurreição, O.F.M. † | Bishop of São Paulo, Brazil |
| Nov | 43.3 | Ordained Bishop | Francisco Javier Calvo † | Bishop of Santa Marta, Colombia |
| 11 Nov | 38.8 | Appointed | Joaquín Santiyán Valdivieso † | Bishop of Urgell, Spain | Archbishop of Tarragona, Spain |
| 12 Nov | 79.1 | Died | Domingo Pérez Rivera † | Auxiliary Bishop of Sevilla {Seville}, Spain |
| 18 Nov | 83.5 | Died | Alexandre Milon † | Bishop of Valence, France |
| Installed | Manuel de Vasconcellos Pereira † | Bishop of Miranda, Portugal | Bishop of Lamego, Portugal |
| 20 Nov | | Born | Félix Herrero Valverde † | Fuenlabrada | Bishop of Orihuela, Spain |
| 28 Nov | 74.5 | Died | Jean-Chrétien de Macheco de Prémeaux † | Bishop of Périgueux (Vesuna), France |
| 30 Nov | 56.8 | Ordained Bishop | Manuel Jiménez Pérez, O.S.B. † | Bishop of Puerto Rico (Porto Rico) |
| 23.1 | Ordained Priest | Leopold Perlaki Somogy † | Priest | Bishop of Szombathely, Hungary |
| 3 Dec | 79.4 | Died | Jakob Johann Joseph Wosky von Bärenstamm † | Prefect of Meissen (Meißen) {Lusazia o Lausitz; Sassonia}, Germany |
| 16 Dec | 37.7 | Resigned | Scipione Borghèse † | Prefect of the Prefecture of the Papal Household | Cardinal, Prefect Emeritus |
| 66.2 | Appointed | Johann Wenzel Xaver Freiherr Frey von Freyenfels † | Auxiliary Bishop of Olomouc, Czech Republic |
| 74.8 | Elevated to Cardinal | Charles-Antoine de la Roche-Aymon † | Cardinal, Archbishop of Reims, France |
| 73.8 | Died | Siegmund Christoph Graf von Schrattenbach † | Archbishop of Salzburg, Austria |
| 21 Dec | 23.1 | Ordained Priest | Karl Franz von Lodron † | Priest of Brixen {Bressanone}, Italy | Bishop |
| 24.1 | Ordained Priest | Pietro Luigi Rusconi † | Priest | Auxiliary Bishop of Cesena, Italy |
| 29 Dec | 37.6 | Ordained Bishop | Léon-François-Ferdinand de Salignac de La Mothe-Fénelon † | Bishop of Lombez, France | Bishop Emeritus |