| Date | Age | Event | Bishop | Title | Current Title |
| 1 Jul | 63.4 | Died | François-Fiacre de Grave † | Bishop of Valence, France |
| 7 Jul | 75.0 | Died | Pedro Cortez y Larraz † | Bishop Emeritus of Tortosa, Spain |
| 41.5 | Ordained Bishop | Gerard Teahan (Teaghan) † | Bishop of Kerry (o Ardfert) e Aghadoe, Ireland |
| 8 Jul | 37.5 | Ordained Bishop | Francesco Borzi † | Bishop of Shkodrë (Scutari), Albania | Archbishop of Bar (Antivari), Montenegro |
| 11 Jul | 58.5 | Died | Pierre Eliazarian, O.S.Antoine † | Bishop of Mardin (Armenian), Turkey |
| 13 Jul | 42.5 | Appointed | John Dunne † | Bishop of Ossory, Ireland |
| 15 Jul | 52.2 | Ordained Bishop | Antonio Puńuela Alonso † | Bishop of Zamora, Spain |
| 21 Jul | 45.0 | Installed | René des Monstiers de Mérinville † | Bishop of Dijon, France | Bishop Emeritus of Chambéry, France |
| 25 Jul | 24.4 | Ordained Priest | Francisco José Rodrigues de Andrade † | Priest | Bishop of Funchal, Portugal |
| 26 Jul | | Born | Jean-Jacques Fayet † | | Bishop of Orléans, France |
| 54.8 | Died | Eustach Federl, O.C.D. † | Vicar Apostolic Emeritus of Malabar, India | Vicar Apostolic |
| 29 Jul | | Born | Leopold Sedlnitzky Odrowąż von Choltitz † | | Bishop Emeritus of Wrocław (Breslau), Poland |
| 30 Jul | | Born | Costanzo-Michele Fea † | | Bishop of Alba (Pompea), Italy |
| 1 Aug | 90.8 | Died | St. Alfonso Maria de’ Liguori, C.Ss.R. † | Bishop Emeritus of Sant’Agata de’ Goti, Italy |
| 9 Aug | | Born | Domenico Castelli, O.P. † | | Archbishop of Naxos, Greece |
| 15 Aug | 25.5 | Ordained Deacon | Carlo Rajner † | Deacon of Eger, Hungary | Auxiliary Bishop of Eger, Hungary |
| 17 Aug | 25.5 | Ordained Priest | Carlo Rajner † | Priest of Eger, Hungary | Auxiliary Bishop of Eger, Hungary |
| 21 Aug | 45.5 | Selected | Michael Léopold Brigido von Marenfels und Bresoviz † | Bishop of Spiš, Slovakia |
| 53.9 | Selected | József Fengler, Sch. P. † | Bishop of Győr (Raab), Hungary |
| 42.9 | Selected | Ferenc Fuchs † | Bishop of Nitra, Slovakia | Archbishop of Eger, Hungary |
| 64.8 | Selected | Franz Xaver Kalatay † | Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania |
| 50.7 | Selected | László Kollonitz † | Archbishop of Kalocsa, Hungary |
| 55.7 | Selected | Ferenc Xavier Splényi † | Bishop of Vác, Hungary |
| 34.7 | Selected | Maksimilijan Verhovácz (Vrhovac) † | Bishop of Zagreb (Agram), Croatia |
| 26 Aug | 66.3 | Ordained Bishop | Wojciech Józef Radoszewski † | Titular Bishop of Hirina | Auxiliary Bishop of Kraków, Poland |
| 2 Sep | 70.3 | Died | Antonio Jorge y Galván † | Archbishop of Granada, Spain |
| 4 Sep | | Born | Raffaele Biale † | | Bishop of Albenga, Italy |
| 7 Sep | | Born | Andrea Maria Rispoli, C.Ss.R. † | | Bishop of Squillace, Italy |
| 8 Sep | 74.3 | Died | Domenico Monti † | Archbishop of Urbino, Italy |
| Born | Myles Murphy † | | Bishop of Ferns, Ireland |
| 10 Sep | 56.2 | Appointed | 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 |
| 13 Sep | | Born | Cipriano Juárez y Berzosa † | | Bishop of Calahorra y La Calzada, Spain |
| 16 Sep | 42.7 | Ordained Bishop | John Dunne † | Bishop of Ossory, Ireland |
| 18 Sep | 40.7 | Succeeded | Daniel Delany † | Bishop of Kildare and Leighlin, Ireland |
| 85.7 | Died | James O’Keeffe † | Bishop of Kildare and Leighlin, Ireland |
| 19 Sep | | Born | Michele de Gattis † | | Bishop of Venosa, Italy |
| 20 Sep | 60.9 | Appointed | Vincenzo Ranuzzi † | Cardinal-Priest of Santa Maria sopra Minerva | Cardinal, Bishop of Ancona e Numana, Italy |
| 21 Sep | | Born | Giovanni Battista Rosani, Sch. P. † | | President Emeritus of the Pontifical Ecclesiastical Academy |
| 22 Sep | 22.9 | Ordained Priest | Giovanni Giuseppe Antonio Cavalleri, O.F.M. Cap. † | Priest of Order of Friars Minor Capuchin | Bishop of Bobbio, Italy |
| 22.7 | Ordained Priest | Giuseppe Casamassima † | Priest of Bari (-Canosa), Italy | Auxiliary Bishop |
| Born | Tommaso Pasquale Gizzi † | | Cardinal, Secretary Emeritus of the Secretariat of State |
| 23.8 | Ordained Priest | Wilhelm Arnold Günther, O. Praem. † | Priest of Order of the Canons Regular of Premontre; Norbertines | Auxiliary Bishop of Trier, Germany |
| 23.6 | Ordained Priest | Desiderio Mennone, C.Ss.R. † | Priest of Congregation of the Most Holy Redeemer | Bishop of Lacedonia, Italy |
| 24.0 | Ordained Priest | Jan Jerzy Wilkxycki † | Priest of Chelmno (Culma, Kulm), Poland | Auxiliary Bishop |
| 23 Sep | 68.7 | Died | Georges-Louis Phélypeaux d’Herbault † | Archbishop of Bourges, France |
| 23.5 | Ordained Priest | Petrus Pustett † | Priest of Order of Hermits of St. Augustine | Bishop of Eichstätt, Germany |
| 26 Sep | 71.7 | Died | Philip Phillips † | Archbishop of Tuam, Ireland |
| 27 Sep | | Born | Joaquim Pereira Ferraz, O.S.B. † | | Bishop of Leiria, Portugal |
| 28 Sep | 57.7 | Appointed | Manuel Abad y Lasierra, O.S.B. † | Bishop of Astorga, Spain | Bishop Emeritus |
| 57.4 | Appointed | Antun Belglava (Belgravia) † | Bishop of Trogir (Traů), Croatia |
| 64.9 | Appointed | Joseph Cosserich Teodosio † | Bishop of Korčula (Curzola, Cursola), Croatia |
| 23.0 | Ordained Priest | John Dubois † | Priest | Bishop of New York, New York, USA |
| 50.7 | Appointed | Kasimir Johann Baptist von Häffelin † | Titular Bishop of Chersonesus in Creta | Cardinal, Cardinal-Priest of Sant’Anastasia |
| 47.9 | Confirmed | Max Polykarp von Törring-Jettenbach † | Bishop of Regensburg, Germany |
| 30 Sep | 50.8 | Ordained Bishop | Gabriel Konaider † | Bishop of Alep [Beroea, Halab] (Maronite), Syria |
| Oct | 64.9 | Ordained Bishop | Joseph Cosserich Teodosio † | Bishop of Korčula (Curzola, Cursola), Croatia |
| 18.4 | Entered | Giacinto Placido Zurla, O.S.B. † | Member of Order of Saint Benedict | Cardinal, Prefect of the Congregation for Studies |
| 3 Oct | | Born | Johann Franz Drepper † | | Bishop of Paderborn, Germany |
| 6 Oct | | Born | Francesco Pichi † | | Bishop Emeritus of Tivoli, Italy |
| 7 Oct | 23.0 | Ordained Priest | Francesco Maria Biordi † | Priest | Titular Bishop of Dulma |
| 68.2 | Died | Karl Johann von Herberstein † | Bishop of Ljubljana (Laybach; Laibach), Slovenia |
| 35.0 | Selected | Anne-Louis-Henri de La Fare † | Bishop of Nancy, France | Cardinal, Archbishop of Sens (-Auxerre), France |
| 9 Oct | | Born | Clément Villecourt † | | Cardinal, Bishop Emeritus of La Rochelle (-Saintes), France |
| 14 Oct | 43.5 | Selected | François de Fontanges † | Archbishop of Bourges, France | Bishop of Autun, France |
| 17 Oct | 66.2 | Died | Franz Xaver von Adelmann von Adelmannsfelden † | Auxiliary Bishop of Augsburg, Germany |
| 21 Oct | 22.9 | Ordained Priest | Szymon Michal Józef Arnold Giedroyć † | Priest | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
| 24 Oct | | Born | Claude-Marie-Paul Tharin † | | Bishop Emeritus of Strasbourg, France |
| 26 Oct | 40.7 | Selected | Jean-Baptiste Marie Scipion Ruffo (Roux) de Bonneval † | Bishop of Senez, France | Bishop Emeritus |
| 27 Oct | 55.0 | Selected | Ángel Mariano Moscoso Pérez y Oblitas † | Bishop of Córdoba (Tucumán), Argentina |
| 28 Oct | | Born | Luigi Giamporcaro † | | Bishop of Monopoli, Italy |
| 48.0 | Ordained Bishop | Max Polykarp von Törring-Jettenbach † | Bishop of Regensburg, Germany |
| 30 Oct | | Born | Louis-Jacques-Maurice de Bonald † | | Cardinal, Archbishop of Lyon (-Vienne), France |
| Nov | 72.5 | Resigned | Giovanni Carlo Boschi † | Pro-Prefect of the Congregation of Regular Discipline | Cardinal, Major Penitentiary of the Apostolic Penitentiary |
| 2 Nov | | Born | Jean-François Croizier † | | Bishop of Rodez, France |
| 9 Nov | 50.2 | Appointed | Victorius (Franciscus Xaverius) Schweizer, O.C.D. † | Vicar Apostolic of Great Mogul (Mughals), India |
| 50.2 | Appointed | Victorius (Franciscus Xaverius) Schweizer, O.C.D. † | Titular Bishop of Gabala | Vicar Apostolic of Great Mogul (Mughals), India |
| 11 Nov | 50.8 | Ordained Bishop | Kasimir Johann Baptist von Häffelin † | Titular Bishop of Chersonesus in Creta | Cardinal, Cardinal-Priest of Sant’Anastasia |
| 12 Nov | 47.0 | Selected | Joseph Christian Franz de Paula zu Hohenlohe-Waldenburg-Bartenstein † | Coadjutor Bishop of Wrocław (Breslau), Poland | Bishop |
| Born | Pierre-Flavien Turgeon † | | Archbishop of Québec, Canada |
| 18 Nov | 53.4 | Died | Léon-François-Ferdinand de Salignac de La Mothe-Fénelon † | Bishop Emeritus of Lombez, France |
| 23 Nov | 50.5 | Resigned | Alexandre da Sagrada Familia Ferreira da Silva, O.F.M. Ref. † | Bishop of Angola e Congo | Bishop of Angra, Portugal |
| 27 Nov | 20.2 | Professed | Carlo Giuseppe Peda, B. † | Member of Clerics Regular of St. Paul | Bishop of Assisi, Italy |
| 39.3 | Selected | Ján Révay † | Bishop of Spiš, Slovakia |
| 29 Nov | 83.9 | Died | Antony Blake † | Archbishop of Armagh, Ireland |
| 41.4 | Succeeded | Richard O’Reilly † | Archbishop of Armagh, Ireland |
| Dec | 69.1 | Died | Baltasar Yusta y Navarro † | Bishop of Córdoba, Spain |
| 5 Dec | 45.8 | Selected | Michael Léopold Brigido von Marenfels und Bresoviz † | Bishop of Ljubljana (Laybach; Laibach), Slovenia | Bishop of Spiš, Slovakia |
| 8 Dec | 24.0 | Ordained Priest | Giuseppe Maria Pezzella, O.E.S.A. † | Priest of Order of Hermits of St. Augustine | Bishop of Calvi e Teano, Italy |
| 9 Dec | 36.9 | Selected | Alexandre-Henri de Chauvigny de Blot † | Bishop of Lombez, France |
| 15 Dec | 43.7 | Resigned | François de Fontanges † | Bishop of Nancy, France | Bishop of Autun, France |
| 59.2 | Died | Basilio Tomás Sancho y Hernando (de Santas Justa y Rufina), Sch. P. † | Archbishop of Manila, Philippines |
| 17 Dec | 52.4 | Appointed | Luigi Amici † | Archbishop of Camerino, Italy |
| 51.1 | Appointed | Gregorio Bandi † | Titular Archbishop of Edessa in Osrhoëne |
| 54.6 | Appointed | Spiridione Berioli † | Archbishop of Urbino, Italy |
| 39.7 | Appointed | Henri de Chambre d’Urgons † | Auxiliary Bishop of Metz, France |
| 39.7 | Appointed | Henri de Chambre d’Urgons † | Titular Bishop of Oropus | Auxiliary Bishop of Metz, France |
| 72.9 | Elevated to Cardinal | Raniero Finocchietti † | Cardinal, Cardinal-Deacon of Sant’Agata de’ Goti |
| 43.7 | Confirmed | François de Fontanges † | Archbishop of Bourges, France | Bishop of Autun, France |
| 35.2 | Confirmed | Anne-Louis-Henri de La Fare † | Bishop of Nancy, France | Cardinal, Archbishop of Sens (-Auxerre), France |
| 59.2 | Appointed | Basilio Tomás Sancho y Hernando (de Santas Justa y Rufina), Sch. P. † | Archbishop of Granada, Spain | Archbishop of Manila, Philippines |
| 20 Dec | | Born | Giovanni Battista Ciofi † | | Bishop of Chiusi e Pienza, Italy |
| 21 Dec | 51.1 | Ordained Bishop | Gregorio Bandi † | Titular Archbishop of Edessa in Osrhoëne |
| 22 Dec | 24.0 | Ordained Priest | Michele Arcangelo Del Forno † | Priest | Bishop Emeritus of Trivento, Italy |
| 23.0 | Ordained Priest | Karl Klemens von Gruben † | Priest of Köln {Cologne}, Germany | Auxiliary Bishop of Osnabrück, Germany |
| 25.2 | Ordained Priest | Jan Chrzciciel Louis Masclet, O.M. † | Priest of Order of the Minims | Auxiliary Bishop of Minsk, Belarus |
| 22.7 | Ordained Priest | Ignacy Wincenty Stanislaw Mathy (Matthy) † | Priest of Warmia (Ermland), Poland | Bishop of Chelmno (Culma, Kulm), Poland |
| 23.1 | Ordained Priest | Joaquim Sousa (Souza) Saraiva, C.M. † | Priest of Congregation of the Mission | Bishop of Peking [Beijing], China |
| 22.8 | Ordained Priest | Antonio Maria Traversi † | Priest | Titular Patriarch of Constantinople |
| 25 Dec | | Born | José Manuel Gregorio Indaburu (Yndaburu) † | | Bishop of La Paz, Bolivia |
| 27 Dec | | Born | Guy Ignatius Chabrat, P.S.S. † | | Coadjutor Bishop Emeritus of Bardstown, Kentucky, USA |
| 30 Dec | 54.6 | Ordained Bishop | Spiridione Berioli † | Archbishop of Urbino, Italy |