| Date | Age | Event | Bishop | Title | Current Title |
| 4 Jul | 67.7 | Died | István Fischer de Nagy † | Archbishop of Eger, Hungary |
| 14 Jul | 54.9 | Ordained Bishop | Filippo Cattani † | Bishop of Carpi, Italy | Bishop of Reggio Emilia, Italy |
| 21 Jul | 68.2 | Ordained Bishop | Flórián Kovács † | Bishop of Satu Mare {Szatmár}, Romania |
| 22 Jul | 25.7 | Ordained Priest | John Stephen (Jean Étienne) Bazin † | Priest of Alabama and the Floridas, USA | Bishop of Vincennes, Indiana, USA |
| 29 Jul | 66.7 | Died | Rodrigo Antonio de Orellana, O. Praem. † | Bishop of Ávila, Spain |
| 1 Aug | 54.5 | Died | Luiz de Castro Pereira, C. S. J. † | Prelate of Cuiabá, Brazil |
| 3 Aug | | Born | Edoardo Borromeo † | | Cardinal, Cardinal-Priest of Santa Prassede |
| 6 Aug | 71.5 | Died | François-Marie-Fortuné de Vintimille † | Bishop of Carcassonne, France |
| 11 Aug | 67.5 | Ordained Bishop | Jean-François Martin de Boisville † | Bishop of Dijon, France |
| 13 Aug | 33.5 | Appointed | Joseph Rosati, C.M. † | Vicar Apostolic of Mississippi and Alabama, USA | Bishop of Saint Louis, Missouri, USA |
| 24.2 | Ordained Deacon | Rudolf von Thysebaert † | Deacon | Auxiliary Bishop of Olomouc, Czechia |
| 14 Aug | 93.6 | Died | Paolo Patricio Fava Ghisleri † | Archbishop of Ferrara, Italy |
| 57.8 | Died | Miguel Fernández Flórez, O.F.M. Obs. † | Auxiliary Bishop of Sevilla {Seville}, Spain |
| 15 Aug | 65.4 | Died | Domenico Buttaoni † | Bishop of Fabriano e Matelica, Italy |
| Born | Giovanni Andrea Miotti † | | Bishop of Parma (-Fontevivo), Italy |
| 20.7 | Ordained Priest | Ignace Antoine (Jules) Samhiri † | Priest | Patriarch of Antiochia {Antioch} (Syrian), Lebanon |
| 24.2 | Ordained Priest | Rudolf von Thysebaert † | Priest | Auxiliary Bishop of Olomouc, Czechia |
| 18 Aug | 52.4 | Installed | Grzegorz Tomasz Ziegler, O.S.B. † | Bishop of Tyniec, Poland | Bishop of Linz, Austria |
| 19 Aug | | Born | Matthäus Joseph Binder † | | Bishop of Sankt Pölten, Austria |
| Born | Paul-François-Marie de Forges † | | Auxiliary Bishop Emeritus of Rennes (-Dol-Saint-Malo), France |
| 22 Aug | 81.3 | Died | Vincenzo Maria Morelli, C.R. † | Archbishop of Otranto, Italy |
| 29 Aug | 70.1 | Selected | Juan García Benito † | Archbishop of Santiago de Compostela, Spain | Archbishop Emeritus |
| 30 Aug | 82.6 | Died | Jean-Baptiste-Joseph de Lubersac † | Bishop Emeritus of Chartres, France |
| 31 Aug | 78.4 | Died | Nicola Riganti † | Cardinal, Bishop of Ancona e Numana, Italy |
| 4 Sep | 74.8 | Died | Giuseppe Stanislao Paradiso † | Bishop of Ales e Terralba, Italy |
| 50.0 | Died | Étienne Germain Pierraz, C.R.A. † | Abbot of Saint-Maurice, Switzerland |
| 6 Sep | 75.4 | Died | Carlo Andrea Pelagallo † | Cardinal, Bishop of Osimo e Cingoli, Italy |
| 8 Sep | 67.6 | Installed | Jean-François Martin de Boisville † | Bishop of Dijon, France |
| 12 Sep | | Born | Joseph Franz von Weckert † | | Bishop of Passau, Germany |
| 14 Sep | 46.7 | Appointed | Giacomo Filippo Fransoni † | Apostolic Nuncio to Portugal | Cardinal, Prefect of the Congregation for Propagation of the Faith |
| 15 Sep | 56.6 | Ordained Bishop | Francisco de São Luiz (Manoel Justiniano) Saraiva, O.S.B. † | Bishop of Coimbra, Portugal | Cardinal, Patriarch of Lisboa {Lisbon}, Portugal |
| 21 Sep | 24.2 | Ordained Priest | Jean-Honoré Bara † | Priest | Bishop of Châlons, France |
| 23.8 | Ordained Priest | Jean-Baptiste-Pierre-Léonard Berteaud † | Priest | Bishop Emeritus of Tulle, France |
| 23.0 | Ordained Priest | Jean-François-Marie Cart † | Priest of Besançon, France | Bishop of Nîmes, France |
| 25.9 | Ordained Priest | Filippo de’ Conti Curoli † | Priest | Bishop of Rieti, Italy |
| 22.7 | Ordained Priest | Pietro Niccolò Forti † | Priest of Pescia, Italy | Bishop |
| 24.0 | Ordained Priest | Camillo Letizia, C.M. † | Priest of Congregation of the Mission | Bishop of Tricarico, Italy |
| 22.4 | Ordained Priest | Salvatore Leziroli † | Priest | Bishop of Rimini, Italy |
| 23.3 | Ordained Priest | Michelangelo Pieramico † | Priest | Bishop of Potenza e Marsico Nuovo, Italy |
| Born | Pierre-Paul Stumpf † | | Bishop of Strasbourg, France |
| 23 Sep | 67.6 | Died | Raffaele Longobardi † | Bishop of Telese o Cerreto Sannita, Italy |
| 25 Sep | 51.9 | Died | Arcangelo Gabriele Cela † | Bishop of Anglona-Tursi, Italy |
| 26 Sep | 74.1 | Died | Giulio Gabrielli † | Cardinal, Prefect Emeritus of the Congregation of the Council |
| 27 Sep | 48.1 | Confirmed | Carlo Tommaso Arnosio † | Archbishop of Sassari, Italy |
| 61.9 | Appointed | Dionisio Bardaxí y Azara † | Cardinal-Priest of Sant’Agnese fuori le mura | Cardinal, Priest of the Roman Curia - Other |
| 65.1 | Appointed | Pietro Balducci, C.M. † | Bishop of Fabriano e Matelica, Italy |
| 46.7 | Appointed | Giacomo Filippo Fransoni † | Titular Archbishop of Nazianzus | Cardinal, Prefect of the Congregation for Propagation of the Faith |
| 66.3 | Confirmed | Jean-Pierre de Gallien de Chabons † | Bishop of Amiens, France | Bishop Emeritus |
| 70.2 | Confirmed | Juan García Benito † | Archbishop of Santiago de Compostela, Spain | Archbishop Emeritus |
| 68.4 | Appointed | Mikołaj Jan Manugiewicz † | Auxiliary Bishop of Warszawa {Warsaw}, Poland | Bishop of Sejny o Sejna o Augustów, Poland |
| 68.4 | Appointed | Mikołaj Jan Manugiewicz † | Titular Bishop of Thaumacus | Bishop of Sejny o Sejna o Augustów, Poland |
| 74.3 | Appointed | Lorenzo Girolamo Mattei † | Cardinal, Titular Patriarch of Antiochia {Antioch} |
| 62.0 | Confirmed | Joseph-Michel-Jean-Baptiste-Paul-Augustin Micolon de Guérines † | Bishop of Nantes, France |
| 55.0 | Confirmed | Giuseppe Novak † | Archbishop of Zadar (Zara), Croatia | Archbishop Emeritus |
| 56.6 | Confirmed | Jean-Paul-Gaston de Pins † | Bishop of Limoges, France | Apostolic Administrator Emeritus of Lyon (-Vienne), France |
| 52.8 | Confirmed | Vicente Ramos y García † | Bishop of Segorbe, Spain | Former Bishop-Elect |
| 70.8 | Appointed | Johann Michael von Sailer † | Coadjutor Bishop of Regensburg, Germany | Bishop |
| 70.8 | Appointed | Johann Michael von Sailer † | Titular Bishop of Germanicopolis | Bishop of Regensburg, Germany |
| 69.8 | Confirmed | Ivan Škakoc (Scacoz) † | Bishop of Hvar (Lesina), Croatia |
| 70.4 | Confirmed | Claude-François de Thiollaz † | Bishop of Annecy, France |
| 61.9 | Appointed | Ottavio Zollio † | Bishop of Pesaro, Italy | Bishop of Rimini, Italy |
| 29 Sep | 74.3 | Ordained Bishop | Lorenzo Girolamo Mattei † | Cardinal, Titular Patriarch of Antiochia {Antioch} |
| 6 Oct | 23.9 | Ordained Priest | Łukasz Baraniecki † | Priest of Lviv, Ukraine | Archbishop |
| 69.3 | Resigned | Jean-Claude Leblanc de Beaulieu † | Archbishop of Arles, France | Archbishop Emeritus |
| 70.4 | Appointed | Etienne-Parfait-Martin Maurel de Mons † | Archbishop of Avignon, France |
| Born | Camillo Ruggeri (Ruggieri) † | | Bishop of Fano, Italy |
| 61.9 | Ordained Bishop | Ottavio Zollio † | Bishop of Pesaro, Italy | Bishop of Rimini, Italy |
| 10 Oct | | Born | Francesco Maria Petrarca † | | Archbishop of Lanciano (e Ortona), Italy |
| 13 Oct | 23.3 | Ordained Priest | Leo Raymond de Neckère, C.M. † | Priest of Congregation of the Mission | Bishop of New Orleans, Louisiana, USA |
| Born | Luigi Giordani † | | Cardinal, Archbishop of Ferrara, Italy |
| Born | Joaquín Larraín Gandarillas † | | Auxiliary Bishop of Santiago de Chile |
| 20 Oct | | Born | St. Zygmunt Szczęsny Feliński † | | Archbishop Emeritus of Warszawa {Warsaw}, Poland |
| 21 Oct | | Born | Henri-Marie Amanton, O.P. † | | Apostolic Delegate Emeritus to Mesopotamia, Kurdistan, and Lesser Armenia, Iraq |
| 22 Oct | 73.8 | Died | [Léonard Honoré Gay de Vernon] † | Bishop Emeritus of [Haute-Vienne (Constitutional), France] |
| 24 Oct | | Born | Rafael Molina Cortez † | | Titular Bishop-Elect of Sinopoli |
| 27 Oct | 22.5 | Ordained Priest | Giuseppe Maria Bovieri † | Priest | Bishop of Montefiascone, Italy |
| 28 Oct | 70.9 | Ordained Bishop | Johann Michael von Sailer † | Titular Bishop of Germanicopolis | Bishop of Regensburg, Germany |
| 29 Oct | | Born | Mieczyslaw Halka Ledóchowski † | | Cardinal, Archbishop Emeritus of Gniezno e Poznań, Poland |
| 2 Nov | | Died | Théodose Badra, B.C. † | Archbishop of Beirut {Bairut} (Melkite Greek), Lebanon |
| 3 Nov | 22.2 | Ordained Priest | Justo Donoso Vivanco † | Priest of Order of Friars Preachers | Bishop of La Serena, Chile |
| 6 Nov | 62.3 | Died | Antonio Maria (Giovanni Battista) Grandi, B. † | Secretary of the Congregation for Extraordinary Ecclesiastical Affairs |
| 8 Nov | 79.0 | Died | Manuel Cid Monroy † | Archbishop of Burgos, Spain |
| Born | Peter Dufal, C.S.C. † | | Coadjutor Bishop Emeritus of Galveston, Texas, USA |
| 22.7 | Professed | Jean-Marie (John Mary) Odin, C.M. † | Member of Congregation of the Mission | Archbishop of New Orleans, Louisiana, USA |
| 9 Nov | 73.5 | Died | Cristóbal Pérez Viala † | Bishop of Jaca, Spain |
| 10 Nov | 68.5 | Ordained Bishop | Mikołaj Jan Manugiewicz † | Titular Bishop of Thaumacus | Bishop of Sejny o Sejna o Augustów, Poland |
| 56.7 | Ordained Bishop | Jean-Paul-Gaston de Pins † | Bishop of Limoges, France | Apostolic Administrator Emeritus of Lyon (-Vienne), France |
| 15 Nov | | Born | Jacques-Edne-Henri-Philadelphe Bellot des Minières † | | Bishop of Poitiers, France |
| 16 Nov | | Born | James Laird Patterson † | | Auxiliary Bishop of Westminster, England, Great Britain |
| 17 Nov | 66.5 | Ordained Bishop | Jean-Pierre de Gallien de Chabons † | Bishop of Amiens, France | Bishop Emeritus |
| 62.1 | Ordained Bishop | Joseph-Michel-Jean-Baptiste-Paul-Augustin Micolon de Guérines † | Bishop of Nantes, France |
| 18 Nov | 59.6 | Died | Giuseppe Prin † | Bishop of Susa, Italy |
| 19 Nov | | Born | François-Jean-Marie Laouënan, M.E.P. † | | Archbishop of Pondicherry, India |
| 20 Nov | 35.7 | Selected | François de Rivaz, C.R.A. † | Abbot of Saint-Maurice, Switzerland |
| 23 Nov | 63.7 | Appointed | Pietro Caprano † | Secretary of the Congregation for Extraordinary Ecclesiastical Affairs | Cardinal, Prefect of the Congregation of the Index |
| 25 Nov | | Born | Francesco Folicaldi † | | Titular Archbishop of Ephesus |
| 29 Nov | | Born | François-Ferdinand Tagliabue, C.M. † | | Vicar Apostolic of Northern Chi-Li {Ce-Li Settentrionale} o Pe-Kin, China |
| 30 Nov | 23.0 | Ordained Priest | Ignace Bourget † | Priest | Bishop Emeritus of Montréal, Québec, Canada |
| 2 Dec | 53.4 | Appointed | Domenico Armellini † | Bishop of Terni, Italy |
| 73.9 | Elevated to Cardinal | Anne-Antoine-Jules de Clermont-Tonnerre † | Cardinal, Archbishop of Toulouse (-Narbonne), France |
| 59.9 | Appointed | Joseph Fesch † | Cardinal-Priest of San Lorenzo in Lucina | Cardinal, Archbishop of Lyon (-Vienne), France |
| 39.9 | Confirmed | Giuseppe Grasser † | Bishop of Treviso, Italy | Bishop of Verona, Italy |
| 3 Dec | 23.0 | Ordained Priest | Mariano José de Escalada Bustillo y Zeballos † | Priest of Buenos Aires, Argentina | Archbishop of Buenos Aires, Argentina |
| 8 Dec | 48.3 | Ordained Bishop | Carlo Tommaso Arnosio † | Archbishop of Sassari, Italy |
| 46.9 | Ordained Bishop | Giacomo Filippo Fransoni † | Titular Archbishop of Nazianzus | Cardinal, Prefect of the Congregation for Propagation of the Faith |
| 9 Dec | 67.5 | Died | Pierre-Marin Rouph de Varicourt † | Bishop of Orléans, France |
| 11 Dec | 66.5 | Installed | Jean-Pierre de Gallien de Chabons † | Bishop of Amiens, France | Bishop Emeritus |
| 12 Dec | 76.1 | Died | Gioacchino de Gemmis † | Bishop of Melfi e Rapolla, Italy |
| 15 Dec | 23.5 | Ordained Priest | Jan Mikołaj Kaliński † | Priest | Bishop-Elect of Chełm and Bełz (Ukrainian), Poland |
| 18 Dec | 75.1 | Retired | Josef František Hurdalek † | Bishop of Litoměřice, Czechia | Bishop Emeritus |
| 21 Dec | 24.0 | Ordained Priest | Jean-Jacques-David Bardou † | Priest of Albi, France | Bishop of Cahors, France |
| 26.4 | Ordained Priest | Rafael Barišić, O.F.M. Obs. † | Priest of Order of Observant Friars Minor | Vicar Apostolic Emeritus of Herzegovina |
| 71.3 | Died | [Louis Bertin] † | Bishop Emeritus of [Cantal (Constitutional), France] |
| 24.1 | Ordained Priest | Raffaele Carbonelli † | Priest of Napoli {Naples}, Italy | Auxiliary Bishop |
| 24.2 | Ordained Priest | Louis-Anne Nogret † | Priest | Bishop Emeritus of Saint-Claude, France |
| 22.8 | Ordained Priest | Giuseppe Maria Vespignani † | Priest | Bishop of Orvieto, Italy |
| 24 Dec | 69.9 | Died | Giovanni Francesco Guerrieri † | Bishop Emeritus of Rimini, Italy |
| 26 Dec | | Born | Charles André Anthonis † | | Auxiliary Bishop of Mechelen, Belgium |
| Ordained Bishop | Ignace Flavianos Dahan, B.C. † | Archbishop of Beirut {Bairut} (Melkite Greek), Lebanon |
| 28 Dec | | Born | Giuseppe Cavaliere † | | Bishop of Crotone (Cotrone), Italy |
| 29 Dec | 73.7 | Died | Francesco Antonio Nanni, C.M. † | Bishop Emeritus of Teramo, Italy |
| 30 Dec | 68.0 | Died | Narciso Coll y Prat † | Bishop of Palencia, Spain |