| Date | Age | Event | Bishop | Title | Current Title |
| Jul | 84.2 | Died | Francesco Guidi † | Archbishop of Pisa, Italy |
| 1 Jul | 68.1 | Died | Carlo Gagliardi † | Bishop of Muro Lucano, Italy |
| 8 Jul | | Ordained Bishop | Ignace IV Sarrouf † | Archbishop of Beirut {Bairut} (Melkite Greek), Lebanon | Patriarch of Antiochia {Antioch} (Melkite Greek), Syria |
| 9 Jul | 59.9 | Died | Nicola Pugliesi † | Archbishop Emeritus of Dubrovnik (Ragusa), Croatia |
| 13 Jul | 64.5 | Resigned | Joaquim Borges de Figueroa † | Archbishop of São Salvador da Bahia, Brazil | Archbishop Emeritus |
| Born | Anacleto Meoro Sánchez † | Granatula de Calatrava | Bishop of Almería, Spain |
| 19 Jul | 29.7 | Ordained Deacon | Benedetto Sinibaldi † | Deacon | Titular Archbishop of Ephesus |
| 20 Jul | | Appointed | Nathaniel Bürger, O.F.M. † | Coadjutor Bishop of Nanking [Nanjing], China | Vicar Apostolic |
| 48.7 | Appointed | Andrea Cardamone † | Archbishop of Rossano, Italy |
| 58.1 | Installed | Giovanni Cornaro † | Cardinal, Cardinal-Deacon of San Cesareo in Palatio |
| 32.8 | Appointed | Giuseppe Francesco Maria Ferraris da Genola † | Bishop of Susa, Italy | Bishop of Saluzzo, Italy |
| 60.0 | Installed | Tommaso Maria Ghilini † | Cardinal-Priest of San Callisto | Cardinal, Cardinal-Priest of Santa Maria sopra Minerva |
| 56.5 | Installed | Romoaldo Guidi † | Cardinal, Cardinal-Deacon of San Giorgio in Velabro |
| 46.0 | Appointed | Johann Karl von Hohenzollern-Hechingen † | Coadjutor Bishop of Chelmno (Culma, Kulm), Poland | Bishop of Warmia (Ermland), Poland |
| 46.0 | Appointed | Johann Karl von Hohenzollern-Hechingen † | Titular Bishop of Dibon (Dibona) | Bishop of Warmia (Ermland), Poland |
| 35.6 | Appointed | Ivan Dominik Juras † | Bishop of Pula (Pola), Croatia |
| 55.7 | Appointed | Giuseppe Maria Langosco-Stroppiana † | Bishop of Alba (Pompea), Italy |
| 74.4 | Appointed | Antônio de São José Moura Marinho, O.S.A. † | Archbishop of São Salvador da Bahia, Brazil |
| 43.1 | Appointed | Antoni Narzymski † | Auxiliary Bishop of Płock, Poland |
| 43.1 | Appointed | Antoni Narzymski † | Titular Bishop of Evaria | Auxiliary Bishop of Płock, Poland |
| 51.0 | Appointed | Nicola Notaris † | Bishop of Squillace, Italy |
| 37.7 | Confirmed | Jean-Auguste de Chastenet de Puységur † | Bishop of Carcassonne, France | Archbishop Emeritus of Bourges, France |
| 50.6 | Appointed | Giovanni Damase Salutti, O.S.A. † | Bishop of Peking [Beijing], China |
| 47.4 | Appointed | Antoni Maciej Sierakowski † | Bishop of Inflanty (Livonia)-Pilten, Poland |
| 51.4 | Appointed | Emmanuel Felix Soares (de Santa Catarina), O.C.D. † | Bishop of Cochin, India | Archbishop of Goa, India |
| 54.5 | Confirmed | Manuel Tavares Coutinho da Silva † | Bishop of Portalegre, Portugal |
| 22 Jul | | Born | Anton Ferdinand Holtgreven † | Busdorf | Auxiliary Bishop of Paderborn, Germany |
| 24 Jul | 59.0 | Resigned | Giovanni Pignatelli † | Bishop of Anglona-Tursi, Italy | Bishop Emeritus |
| 25 Jul | 48.7 | Ordained Bishop | Andrea Cardamone † | Archbishop of Rossano, Italy |
| 26 Jul | 32.8 | Ordained Bishop | Giuseppe Francesco Maria Ferraris da Genola † | Bishop of Susa, Italy | Bishop of Saluzzo, Italy |
| 55.8 | Ordained Bishop | Giuseppe Maria Langosco-Stroppiana † | Bishop of Alba (Pompea), Italy |
| 36.4 | Ordained Bishop | Charles de La Font de Savines † | Bishop of Viviers (Aps), France | Bishop Emeritus |
| 23.2 | Ordained Priest | Samuel Cyryl Stefanowicz † | Priest of Lviv (Armenian), Ukraine | Archbishop |
| 30 Jul | 51.5 | Selected | José Campos Julián, O.C.D. † | Bishop of Córdoba (Tucumán), Argentina | Archbishop of La Plata o Charcas, Bolivia |
| 2 Aug | 29.7 | Ordained Priest | Benedetto Sinibaldi † | Priest | Titular Archbishop of Ephesus |
| 6 Aug | 57.7 | Installed | Sebastián Malvar y Pinto, O.F.M. † | Bishop of Buenos Aires, Argentina | Archbishop of Santiago de Compostela, Spain |
| 9 Aug | 64.6 | Died | Felice Antonio Bianchi † | Auxiliary Bishop of Modena, Italy |
| 42.6 | Ordained Bishop | Alexandre-Joseph-Alexis de Bruyère de Chalabre † | Bishop of Saint-Omer, France | Bishop Emeritus |
| 35.6 | Ordained Bishop | Ivan Dominik Juras † | Bishop of Pula (Pola), Croatia |
| 28.4 | Ordained Priest | José Pegado de Azevedo, C.O. † | Priest of Confederation of Oratorians of St. Philip Neri | Bishop of Angra, Portugal |
| 18 Aug | | Died | Augustine Cheevers, O.S.A. † | Bishop of Meath, Ireland |
| 24 Aug | 71.5 | Installed | Nicola Molinari, O.F.M. Cap. † | Bishop of Ravello e Scala, Italy | Bishop of Bovino, Italy |
| 28 Aug | 58.0 | Resigned | Bartolomeu Manoel Mendes dos Reis † | Bishop of Mariana, Brazil | Bishop Emeritus |
| 30 Aug | 22.9 | Ordained Priest | Joaquim de Sant’Ana Carvalho † | Priest | Bishop Emeritus of Faro {Algarve}, Portugal |
| 3 Sep | 73.9 | Died | Antonio De Cumis † | Bishop of Catanzaro, Italy |
| 11 Sep | 52.3 | Resigned | Giovanni Battista Filippo Tenderini † | Bishop of Anagni, Italy | Bishop Emeritus |
| 13 Sep | 51.5 | Ordained Bishop | Emmanuel Felix Soares (de Santa Catarina), O.C.D. † | Bishop of Cochin, India | Archbishop of Goa, India |
| 17 Sep | | Born | Giuseppe Riccardi † | Ruben | Bishop of Boiano, Italy |
| 19 Sep | 23.2 | Ordained Priest | Prosper Burzyński, O.F.M. † | Priest of Order of Friars Minor | Bishop of Sandomierz, Poland |
| 25.0 | Ordained Priest | Pier Camillo de Carolis † | Priest | Bishop of Città della Pieve, Italy |
| 22.9 | Ordained Priest | Giovanni Battista Lambruschini † | Priest | Bishop of Orvieto, Italy |
| 86.7 | Died | Franciscus Mendo Trigoso † | Bishop of Viseu, Portugal |
| 25.2 | Ordained Priest | Giovanni-Antonio Niccola (Nicola) † | Priest | Bishop of Alba (Pompea), Italy |
| 22.2 | Ordained Deacon | Joseph Chrysostomus Pauer † | Deacon of Clerics Regular of St. Paul | Bishop of Sankt Pölten, Austria |
| 24.6 | Ordained Priest | Giovanni Francesco Toppia † | Priest | Bishop of Vigevano, Italy |
| 20 Sep | 23.1 | Ordained Priest | György Kurbély † | Priest | Bishop of Veszprém, Hungary |
| 21 Sep | | Born | Mateo José González Rubio † | Cartagena, Colombia | Auxiliary Bishop of Popayán, Colombia |
| 26 Sep | | Appointed | Franciscus Antonius Fracchia † | Titular Bishop of Theodosiopolis in Armenia |
| 27 Sep | | Ordained Bishop | Franciscus Antonius Fracchia † | Titular Bishop of Theodosiopolis in Armenia |
| 46.2 | Ordained Bishop | Johann Karl von Hohenzollern-Hechingen † | Titular Bishop of Dibon (Dibona) | Bishop of Warmia (Ermland), Poland |
| 43.3 | Ordained Bishop | Antoni Narzymski † | Titular Bishop of Evaria | Auxiliary Bishop of Płock, Poland |
| 28 Sep | 36.5 | Appointed | Cyrillus Antonini † | Bishop of Anagni, Italy |
| 39.4 | Appointed | Edmund Maria Josef Artz von und zu Vasegg † | Auxiliary Bishop of Wien {Vienna}, Austria |
| 39.4 | Appointed | Edmund Maria Josef Artz von und zu Vasegg † | Titular Bishop of Teos | Auxiliary Bishop of Wien {Vienna}, Austria |
| 56.3 | Appointed | Bernardus Bocchini, O.F.M. Cap. † | Bishop of Cefalonia e Zante, Greece |
| 41.5 | Appointed | Vittorio Maria Baldassare Gaetano Costa d’Arignano † | Cardinal, Archbishop of Torino {Turin}, Italy |
| 32.3 | Appointed | Girolamo Luigi Crivelli † | Bishop of Nepi e Sutri, Italy |
| 61.2 | Appointed | Diodato Maria Difnico, C.R.L. † | Bishop of Krk (Veglia), Croatia |
| 44.0 | Appointed | Angelo Franceschi † | Archbishop of Pisa, Italy |
| 56.2 | Appointed | Pier Luigi Galletti, O.S.B. † | Titular Bishop of Cyrene |
| 57.2 | Appointed | Ferdynand Onufry Kicki † | Coadjutor Archbishop of Lviv, Ukraine | Archbishop |
| 55.7 | Appointed | Juan Manuel Moscoso y Peralta † | Bishop of Cuzco, Peru | Archbishop of Granada, Spain |
| 41.3 | Appointed | Franciscus de Paula Paternò Castello † | Titular Bishop of Europus |
| 53.3 | Appointed | Juan Antonio de Jesús Sacedón Sánchez, O.F.M. † | Bishop of Linares o Nueva León, Nuevo León, México |
| 51.6 | Confirmed | José Campos Julián, O.C.D. † | Bishop of Córdoba (Tucumán), Argentina | Archbishop of La Plata o Charcas, Bolivia |
| 30.1 | Appointed | Michal Roman Sierakowski † | Auxiliary Bishop of Przemyśl, Poland |
| 30.1 | Appointed | Michal Roman Sierakowski † | Titular Bishop of Prusa | Auxiliary Bishop of Przemyśl, Poland |
| 30 Sep | 54.3 | Appointed | Johann Adam Behr † | Auxiliary Bishop of Bamberg, Germany |
| 54.3 | Appointed | Johann Adam Behr † | Titular Bishop of Hemeria | Auxiliary Bishop of Bamberg, Germany |
| 70.9 | Died | Domenico Poltri † | Bishop of San Miniato, Italy |
| 1 Oct | 70.2 | Died | Gaetano Fantuzzi † | Cardinal, Cardinal-Priest of San Pietro in Vincoli |
| 2 Oct | | Born | Giambattista Guerra † | Ravenna | Bishop of Bertinoro, Italy |
| Born | Johann Peter Mirer † | Obersaxen | Bishop of Sankt Gallen, Switzerland |
| 4 Oct | 56.3 | Ordained Bishop | Bernardus Bocchini, O.F.M. Cap. † | Bishop of Cefalonia e Zante, Greece |
| 32.3 | Ordained Bishop | Girolamo Luigi Crivelli † | Bishop of Nepi e Sutri, Italy |
| 61.2 | Ordained Bishop | Diodato Maria Difnico, C.R.L. † | Bishop of Krk (Veglia), Croatia |
| 56.3 | Ordained Bishop | Pier Luigi Galletti, O.S.B. † | Titular Bishop of Cyrene |
| 7 Oct | 37.5 | Appointed | Antonio Maria Sacconi, O.F.M. † | Vicar Apostolic of Shansi {Scian-Si} (Chan-Si), China |
| 37.5 | Appointed | Antonio Maria Sacconi, O.F.M. † | Titular Bishop of Domitiopolis | Vicar Apostolic of Shansi {Scian-Si} (Chan-Si), China |
| 8 Oct | | Born | Hyacinthe-Louis de Quélen † | Paris | Archbishop of Paris, France |
| 11 Oct | 36.6 | Ordained Bishop | Cyrillus Antonini † | Bishop of Anagni, Italy |
| 18 Oct | | Ordained Bishop | Nathaniel Bürger, O.F.M. † | Titular Bishop of Dercos (Dercus) | Vicar Apostolic of Nanking [Nanjing], China |
| 25 Oct | | Born | Joaquín Briz, O.P. † | Zaragoza | Bishop of Segovia, Spain |
| 25.8 | Ordained Priest | Bernard-Claude Panet † | Priest of Québec, Canada | Archbishop of Québec, Canada |
| 28 Oct | 54.3 | Ordained Bishop | Johann Adam Behr † | Titular Bishop of Hemeria | Auxiliary Bishop of Bamberg, Germany |
| 8 Nov | 56.0 | Installed | Giuseppe Maria Langosco-Stroppiana † | Bishop of Alba (Pompea), Italy |
| Born | Joseph Signay † | Québec | Archbishop of Québec, Canada |
| 14 Nov | | Born | Franz Xaver von Schwäbl † | Reisbach | Bishop of Regensburg, Germany |
| 22 Nov | 41.4 | Ordained Bishop | August Franz von Strauß (Strauss) † | Titular Bishop of Samaria | Auxiliary Bishop of Mainz, Germany |
| 30 Nov | 54.8 | Installed | Manuel Tavares Coutinho da Silva † | Bishop of Portalegre, Portugal |
| 2 Dec | | Born | Giuseppe Maria Mazzetti, O. Carm. † | Chieti | Bishop Emeritus of Aquino, Sora, e Pontecorvo, Italy |
| 3 Dec | 90.8 | Died | Thomas Fabiani † | Bishop of Belcastro, Italy |
| 72.4 | Died | James Grant † | Vicar Apostolic of Lowland District, Scotland, Great Britain |
| 49.3 | Succeeded | George Hay † | Vicar Apostolic of Lowland District, Scotland, Great Britain | Vicar Apostolic Emeritus |
| 5 Dec | | Born | José Eusebio Colombres † | San Miguel de Tucumán | Bishop-Elect of Salta, Argentina |
| 8 Dec | 30.3 | Ordained Bishop | Michal Roman Sierakowski † | Titular Bishop of Prusa | Auxiliary Bishop of Przemyśl, Poland |
| 9 Dec | 59.4 | Resigned | Inácio de São Caetano, O.C.D. † | Bishop of Penafiel, Portugal | Bishop Emeritus |
| 10 Dec | | Born | Antonio Francesco Orioli, O.F.M. Conv. † | Bagnacavallo | Cardinal, Prefect of the Congregation of Bishops and Regulars |
| 11 Dec | 64.9 | Resigned | Félicien Bocon de La Merlière † | Bishop of Apt, France | Bishop Emeritus |
| 13 Dec | | Born | Giovanni Maria Bisignani † | Messina | Titular Bishop of Aegae |
| 14 Dec | 58.5 | Appointed | Agustín de Alvarado y Castillo † | Archbishop (Personal Title) of Ciudad Rodrigo, Spain | Bishop |
| 55.6 | Appointed | Antonio Caballero y Góngora † | Archbishop of Santafé en Nueva Granada, Colombia | Bishop of Córdoba, Spain |
| 58.8 | Appointed | Giuseppe Coppula † | Bishop of Lipari, Italy |
| 46.5 | Appointed | Roberto Costaguti † | Bishop of Sansepolcro (Borgo San Sepolcro), Italy |
| 44.6 | Appointed | Luca Nicola De Luca † | Bishop of Muro Lucano, Italy | Bishop Emeritus of Trivento, Italy |
| 43.3 | Appointed | Laurent-Michel Eon de Cély † | Bishop of Apt, France | Bishop Emeritus |
| 49.7 | Appointed | Juan Antonio Gallego y Orbigo, O.F.M. † | Bishop of Nueva Caceres, Philippines | Archbishop of Manila, Philippines |
| 39.4 | Appointed | Niccolò Marcacci † | Bishop of Arezzo, Italy |
| 59.1 | Appointed | Lazzaro Opiziio Pallavicino † | Cardinal-Priest of San Pietro in Vincoli | Cardinal, Secretary of the Secretariat of State |
| 46.9 | Appointed | Battista Rivelli † | Archbishop of Brindisi, Italy |
| 59.4 | Appointed | Inácio de São Caetano, O.C.D. † | Titular Archbishop of Thessalonica | Bishop Emeritus of Penafiel, Portugal |
| 39.0 | Appointed | Salvatore Vecchioni, C.O. † | Bishop of Anglona-Tursi, Italy |
| 16 Dec | 79.0 | Died | Theophilus McCartan † | Bishop of Down and Connor, Ireland |
| 19 Dec | 22.9 | Ordained Priest | Baldassare Leone † | Priest | Bishop of Agrigento (Girgenti), Italy |
| 23.6 | Ordained Priest | Stanislao Lucchesi † | Priest | Bishop of Foligno, Italy |
| 23.4 | Ordained Priest | Gaudenzio Patrignani, O.F.M. † | Priest of Order of Friars Minor | Bishop of Ferentino, Italy |
| Appointed | Patrick Joseph Plunkett † | Bishop of Meath, Ireland |
| 25.4 | Ordained Priest | Johann Adam Rieger † | Priest of Mainz, Germany | Bishop of Fulda, Germany |
| 23.6 | Ordained Priest | Pierre-Marin Rouph de Varicourt † | Priest | Bishop of Orléans, France |
| 25.9 | Ordained Priest | Alessandro Tommasini † | Priest | Archbishop of Reggio Calabria, Italy |
| 20 Dec | 58.8 | Ordained Bishop | Giuseppe Coppula † | Bishop of Lipari, Italy |
| 46.5 | Ordained Bishop | Roberto Costaguti † | Bishop of Sansepolcro (Borgo San Sepolcro), Italy |
| 44.6 | Ordained Bishop | Luca Nicola De Luca † | Bishop of Muro Lucano, Italy | Bishop Emeritus of Trivento, Italy |
| 46.9 | Ordained Bishop | Battista Rivelli † | Archbishop of Brindisi, Italy |
| 24.1 | Ordained Deacon | Gregor Tarkovic (Tárkovits) † | Deacon of Mukachevo (Munkács) (Ruthenian), Ukraine | Bishop of Prešov (Prjašev) (Slovakian), Slovakia |
| 39.0 | Ordained Bishop | Salvatore Vecchioni, C.O. † | Bishop of Anglona-Tursi, Italy |
| 26 Dec | | Born | Etienne-Bruno-Marie d’Arbou † | Toulouse | Bishop Emeritus of Bayonne, France |
| 72.9 | Died | John Joseph Hornyold † | Vicar Apostolic of Midland District, England, Great Britain |
| 51.4 | Succeeded | Thomas Joseph Talbot † | Vicar Apostolic of Midland District, England, Great Britain |
| 31 Dec | 49.6 | Succeeded | Ignaz Franz Stanislaus von Spaur † | Bishop of Brixen {Bressanone}, Italy |
| 82.6 | Died | Leopold Maria Joseph von Spaur † | Bishop of Brixen {Bressanone}, Italy |