| Date | Age | Event | Bishop | Title | Current Title |
| Jul | 57.5 | Died | Liborio Pisani † | Bishop of Massa Lubrense, Italy |
| 62.4 | Appointed | Giuseppe Spinelli † | Pro-Prefect of the Congregation of the Council | Cardinal, Cardinal-Bishop of Ostia |
| 4 Jul | 67.3 | Ordained Bishop | Giovanni Filippo (Prudenzio) Patti, O.S.B. † | Titular Bishop of Diocaesarea in Isauria |
| 6 Jul | | Born | François Antoine Marie Constantin de Méan et de Beaurieux † | | Archbishop of Mechelen, Belgium |
| 14 Jul | 57.5 | Died | Domenico Anelli † | Bishop of Andria, Italy |
| 75.5 | Resigned | Valério do Sacramento, O.F.M. Ref. † | Bishop of Angra, Portugal | Bishop Emeritus |
| 15 Jul | | Born | Fernando Caicedo y Flores † | | Archbishop of Santafé en Nueva Granada, Colombia |
| 17 Jul | | Born | Nicolas-Alexis Ondernard † | | Bishop of Namur {Namen}, Belgium |
| 54.1 | Died | Mihály Karl (Michele Carlo) von Althan † | Bishop of Vác, Hungary |
| 65.5 | Selected | Domenico Zicari † | Archbishop of Reggio Calabria, Italy |
| 18 Jul | 22.8 | Ordained Deacon | Franciszek Komornicki † | Deacon | Auxiliary Bishop of Lutsk (Łuck), Ukraine |
| 41.7 | Resigned | Christoph Bartholomäus Anton Migazzi Von Waal Und Sonnenthurn † | Coadjutor Archbishop of Mechelen, Belgium | Cardinal, Archbishop of Wien {Vienna}, Austria |
| 19 Jul | 54.7 | Appointed | Francesco Felice Alberti d’Enno † | Titular Bishop of Miletopolis | Bishop of Trento, Italy |
| 54.7 | Confirmed | Francesco Felice Alberti d’Enno † | Coadjutor Bishop of Trento, Italy | Bishop |
| 39.3 | Appointed | Giuseppe Maria Carafa, C.R. † | Bishop of Mileto, Italy | Bishop Emeritus |
| 52.5 | Confirmed | Gaspar Afonso da Costa Brandão † | Bishop of Funchal, Portugal |
| 54.3 | Confirmed | Salvator dos Reis, S.J. † | Archbishop of Cranganore (Angamala), India |
| 57.1 | Appointed | António Caetano da Rocha † | Bishop of Angra, Portugal |
| 42.8 | Appointed | Vicente da Gamal Leao † | Coadjutor Bishop of São Sebastião do Rio de Janeiro, Brazil | Coadjutor Bishop Emeritus |
| 42.8 | Appointed | Vicente da Gamal Leao † | Titular Bishop of Etalonia (Hetalonia) | Coadjutor Bishop Emeritus of São Sebastião do Rio de Janeiro, Brazil |
| 52.4 | Confirmed | Antônio de São José Moura Marinho, O.E.S.A. † | Bishop of São Luís do Maranhão, Brazil | Archbishop of São Salvador da Bahia, Brazil |
| 49.5 | Appointed | Manuel Antonio Palmero y Rallo † | Bishop of Gerona, Spain |
| 34.7 | Appointed | Giuseppe Pitocco † | Bishop of Trivento, Italy |
| 47.9 | Confirmed | Théodore de Santa Maria, O.E.S.A. † | Bishop of São Tomé of Meliapore, India | Former Bishop-Elect |
| 21 Jul | 52.5 | Selected | Antony Blake † | Bishop of Ardagh (and Clonmacnois), Ireland | Archbishop of Armagh, Ireland |
| 70.5 | Selected | Augustine Cheevers, O.S.A. † | Bishop of Meath, Ireland |
| 22 Jul | 69.6 | Died | Francesco Antonio Spadea † | Bishop Emeritus of Aquino e Pontecorvo, Italy |
| 25 Jul | 79.4 | Died | Mario Millini (Mellini) † | Cardinal, Cardinal-Priest of San Marcello |
| 34.7 | Ordained Bishop | Giuseppe Pitocco † | Bishop of Trivento, Italy |
| 31 Jul | 62.9 | Selected | Mariano Amato † | Bishop of Crotone (Cotrone), Italy |
| 3 Aug | 47.5 | Selected | James O’Fallon † | Bishop of Elphin, Ireland |
| 6 Aug | | Born | Antoine-Xavier Maynaud de Pancemont † | | Bishop of Vannes, France |
| 7 Aug | 70.5 | Confirmed | Augustine Cheevers, O.S.A. † | Bishop of Meath, Ireland |
| 8 Aug | 15.6 | Professed | Andrzej Antoni Ignacy Gawroński † | Member of Society of Jesus | Bishop of Kraków, Poland |
| Born | Lorenz Barlomiej Ignacy Antoni Raczyński, O. Cist. † | | Auxiliary Bishop of Gniezno, Poland |
| 11 Aug | 52.6 | Appointed | Antony Blake † | Administrator of Clonmacnoise, Ireland | Archbishop of Armagh, Ireland |
| 52.6 | Confirmed | Antony Blake † | Bishop of Ardagh (and Clonmacnois), Ireland | Archbishop of Armagh, Ireland |
| 45.7 | Died | Paolo Antonio Nerini, B. † | Vicar Apostolic of Ava e Pegù, Myanmar |
| 14 Aug | 47.6 | Confirmed | James O’Fallon † | Bishop of Elphin, Ireland |
| 18 Aug | 58.8 | Died | Johannes Christoph Ludwig von Kuenburg † | Auxiliary Bishop of Passau, Germany |
| 21 Aug | | Born | Johann Friedrich von Waldenstein-Wartenberg † | | Bishop of Seckau, Austria |
| 24 Aug | | Born | Pietro Paolo Mazzichi † | | Bishop of Montalto (delle Marche), Italy |
| 28 Aug | 41.8 | Selected | Christoph Bartholomäus Anton Migazzi Von Waal Und Sonnenthurn † | Bishop of Vác, Hungary | Cardinal, Archbishop of Wien {Vienna}, Austria |
| 66.4 | Died | Silvio Valenti Gonzaga † | Cardinal, Secretary of State |
| Sep | 58.2 | Appointed | Filip Felicjan Wołodkowicz (Volodkovyc), O.S.B.M. † | Apostolic Administrator of Volodymyr (Włodzimierz) et Brėst (Ukrainian) | Archbishop of Kyiv-Halyč {Kiev} (Ukrainian), Ukraine |
| 2 Sep | 23.8 | Ordained Priest | Andrij Bacynskyj † | Priest of Mukachevo (Munkács) (Ruthenian), Ukraine | Bishop |
| 5 Sep | | Born | János Benyovszky † | | Auxiliary Bishop of Esztergom, Hungary |
| 10 Sep | 57.8 | Appointed | Alberico Archinto † | Cardinal, Secretary of State |
| 57.8 | Appointed | Alberico Archinto † | Prefect of the Congregation of the Sacred Consulta | Cardinal, Secretary of State |
| Born | José Maria de Melo, C.O. † | | Bishop Emeritus of Faro {Algarve}, Portugal |
| 52.1 | Died | Ignazio Rovèro † | Bishop of Novara, Italy |
| 11 Sep | | Born | Etienne-Hubert de Cambacérès † | | Cardinal, Archbishop of Rouen, France |
| 62.6 | Appointed | Giuseppe Spinelli † | Prefect of the Congregation for Propagation of the Faith | Cardinal, Cardinal-Bishop of Ostia |
| 12 Sep | | Born | Jacques-François Besson † | | Bishop of Metz, France |
| 43.4 | Ordained Bishop | José Patricio de la Cuesta Velarde † | Bishop of Ceuta, Spain | Bishop of Sigüenza, Spain |
| 70.6 | Died | Teodozy Teofil Godebski, O.S.B.M. † | Bishop of Volodymyr (Włodzimierz) et Brėst (Ukrainian) |
| Born | Manuel Ros de Medrano † | | Bishop of Tortosa, Spain |
| 16 Sep | 48.7 | Ordained Bishop | Cezarij (Cezary) Stebnovskyj (Stebnowski), O.S.B.M. † | Archbishop of Smoleńsk (Ukrainian), Russian Federation |
| 18 Sep | 25.3 | Ordained Priest | Giovanni Capece † | Priest | Bishop of Oria, Italy |
| 23.0 | Ordained Deacon | József Fengler, Sch. P. † | Deacon of Order of the Pious Schools | Bishop of Győr (Raab), Hungary |
| 23.0 | Ordained Priest | Franciszek Komornicki † | Priest | Auxiliary Bishop of Lutsk (Łuck), Ukraine |
| 22.9 | Ordained Priest | Vittorio Filippo Melano di Portula, O.P. † | Priest of Order of Friars Preachers | Bishop of Novara, Italy |
| 22.8 | Ordained Priest | Paol’Antonio Agostini Zamperoli † | Priest | Bishop of Urbania e Sant’Angelo in Vado, Italy |
| 19 Sep | | Born | [Charles-François Dorlodot] † | | Bishop Emeritus of [Mayenne (Constitutional), France] |
| 20 Sep | 57.8 | Appointed | Alberico Archinto † | Cardinal-Priest of San Lorenzo in Damaso | Cardinal, Secretary of State |
| 50.2 | Appointed | Carlo Camuzi † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia | Bishop Emeritus |
| 48.3 | Appointed | Girolamo Colonna di Sciarra † | Cardinal-Deacon of Santi Cosma e Damiano | Cardinal, Cardinal-Deacon of Sant’Agata de’ Goti |
| 48.3 | Appointed | Girolamo Colonna di Sciarra † | Chamberlain (Camerlengo) of the Apostolic Chamber | Cardinal, Cardinal-Deacon of Sant’Agata de’ Goti |
| 75.4 | Appointed | Joaquín Fernández de Portocarrero Mendoza † | Cardinal, Cardinal-Bishop of Sabina |
| 41.9 | Confirmed | Christoph Bartholomäus Anton Migazzi Von Waal Und Sonnenthurn † | Bishop of Vác, Hungary | Cardinal, Archbishop of Wien {Vienna}, Austria |
| 63.7 | Appointed | Camillo Paolucci (Merlini) † | Cardinal-Priest of Santa Maria in Trastevere | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 46.4 | Appointed | Carlo Augusto Peruzzini, B. † | Bishop of Macerata e Tolentino, Italy |
| 58.9 | Appointed | Franz Ignaz Albert von Werdenstein † | Auxiliary Bishop of Freising, Germany |
| 58.9 | Appointed | Franz Ignaz Albert von Werdenstein † | Titular Bishop of Taenarum | Auxiliary Bishop of Freising, Germany |
| 21 Sep | 52.7 | Ordained Bishop | Gaspar Afonso da Costa Brandão † | Bishop of Funchal, Portugal |
| 57.3 | Ordained Bishop | António Caetano da Rocha † | Bishop of Angra, Portugal |
| 82.5 | Died | Joseph de Guyon de Crochans † | Archbishop of Avignon, France |
| 52.5 | Ordained Bishop | Antônio de São José Moura Marinho, O.E.S.A. † | Bishop of São Luís do Maranhão, Brazil | Archbishop of São Salvador da Bahia, Brazil |
| 22 Sep | 67.1 | Died | Ignace-Dominique Grisella de Rosignan † | Bishop of Saint-Jean-de-Maurienne, France |
| 23 Sep | 59.4 | Selected | Louis-César-Constantin de Rohan-Guémené-Montbazon † | Cardinal, Bishop of Strasbourg, France |
| 29 Sep | | Born | Joachim Józef Grabowski † | | Auxiliary Bishop-Elect of Mohilev, Belarus |
| 30 Sep | | Born | Jerónimo Castellón y Salas † | | Bishop of Tarazona, Spain |
| 2 Oct | 73.6 | Died | Sebastián José Emparán y Loyola, O.S.H. † | Bishop of Urgell, Spain |
| 3 Oct | 42.4 | Ordained Bishop | Diego Antonio Díez Madroñero † | Bishop of Caracas, Santiago de Venezuela |
| 46.4 | Ordained Bishop | Carlo Augusto Peruzzini, B. † | Bishop of Macerata e Tolentino, Italy |
| 4 Oct | | Born | Juan Francisco Castañiza Larrea y Gonzalez de Agüero † | | Bishop of Durango, México |
| 10 Oct | | Born | Simon Melchior de Petris † | | Vicar Apostolic Emeritus of Seckau, Austria |
| 15 Oct | | Born | Patrício da Silva, O.E.S.A. † | | Cardinal, Patriarch of Lisboa {Lisbon}, Portugal |
| 19 Oct | | Born | Silvestro Granito † | | Bishop of Cava e Sarno, Italy |
| 20 Oct | 60.8 | Died | Bernardo de Arbizu y Ugarte † | Bishop of Trujillo, Peru |
| 61.7 | Died | João da Cruz Salgado de Castilho, O.C.D. † | Bishop of Miranda (do Douro), Portugal |
| 23 Oct | | Born | Giuseppe de Nobili † | | Archbishop of Lucca, Italy |
| 24 Oct | 22.9 | Ordained Priest | Giuseppe Maria Beneventi, O.F.M. Conv. † | Priest of Order of Friars Minor Conventual | Bishop of Muro Lucano, Italy |
| 43.0 | Ordained Bishop | Vicente da Gamal Leao † | Titular Bishop of Etalonia (Hetalonia) | Coadjutor Bishop Emeritus of São Sebastião do Rio de Janeiro, Brazil |
| 28 Oct | 50.3 | Ordained Bishop | Carlo Camuzi † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia | Bishop Emeritus |
| 30 Oct | | Born | Giovanni Nepomuceno Ferdiani † | | Bishop of Iglesias, Italy |
| 31 Oct | 16.0 | Solemn Vows | Carlo Francesco Maria Caselli, O.S.M. † | Member of Order of Friar Servants of Mary | Cardinal, Bishop of Parma, Italy |
| Born | Paolo Garzilli † | | Bishop of Sessa Aurunca, Italy |
| 1 Nov | | Born | Domenico Orlando, O.F.M. Conv. † | | Bishop of Catania, Italy |
| 6 Nov | 67.7 | Died | Giovanni Filippo (Prudenzio) Patti, O.S.B. † | Titular Bishop of Diocaesarea in Isauria |
| 14 Nov | 55.1 | Ordained Bishop | Francesco Felice Alberti d’Enno † | Titular Bishop of Miletopolis | Bishop of Trento, Italy |
| 15 Nov | 37.1 | Appointed | Maksymilian Ryłło, O.S.B.M. † | Bishop of Chełm and Bełz (Ukrainian), Poland | Bishop of Przemyśl, Sambor, et Sanok (Ukrainian), Poland |
| 19 Nov | 77.8 | Died | Martín de Elizacoechea † | Bishop of Michoacán, México |
| 21 Nov | 59.1 | Ordained Bishop | Franz Ignaz Albert von Werdenstein † | Titular Bishop of Taenarum | Auxiliary Bishop of Freising, Germany |
| 25 Nov | | Born | Jean-Baptiste-François-Nicolas Millaux † | | Bishop of Nevers, France |
| Born | Pietro Tasca † | | Bishop of Cefalù, Italy |
| 28 Nov | | Born | Vitale Loschi † | | Bishop of Parma, Italy |
| 30 Nov | 53.1 | Ordained Bishop | Pio Angelo Bellingeri † | Titular Bishop of Tamasus | Auxiliary Bishop of Pavia, Italy |
| Dec | 53.9 | Died | José Antonio Flores de Rivera † | Bishop of Nicaragua |
| 70.7 | Died | Franz Bernardin Verbeck, O.F.M. Conv. † | Auxiliary Bishop of Münster, Germany |
| 4 Dec | 71.8 | Died | Amand von Buseck, O.S.B. † | Bishop of Fulda, Germany |
| 5 Dec | | Born | Mathias Le Groing de La Romagère † | | Bishop of Saint-Brieuc, France |
| 24.0 | Ordained Priest | Francesco Lucerna Rorengo di Rorà † | Priest | Archbishop of Torino {Turin}, Italy |
| 8 Dec | | Born | Max Franz (Maximilian Franciscus) von Habsburg-Lothringen (Österreich) † | | Archbishop of Köln {Cologne}, Germany |
| 11 Dec | 72.8 | Died | Gregorio Galindo † | Bishop of Lérida, Spain |
| 16 Dec | | Born | Tommaso Maria Raimondo Leopoldo Arezzo † | | Cardinal, Cardinal-Bishop of Sabina |
| 61.5 | Appointed | Giovanni Giacomo Millo † | Cardinal, Prefect of the Congregation of the Council |
| 18 Dec | 23.7 | Ordained Priest | Godefroid Philippe Joseph de La Porte, O.F.M. Cap. † | Priest of Order of Friars Minor Capuchin | Archbishop of Naxos, Greece |
| 23.0 | Ordained Priest | Pietro Mancini † | Priest | Bishop of Minervino Murge, Italy |
| 23.1 | Ordained Priest | Michelangelo della Peruta † | Priest | Bishop of Isernia, Italy |
| 24.6 | Ordained Priest | Giovanni Luca Solari † | Priest | Bishop of Brugnato, Italy |
| 21 Dec | | Born | Adam Korwin Kossakowski † | | Auxiliary Bishop of Inflanty (Livonia)-Pilten, Poland |
| 34.9 | Ordained Bishop | Charles Walmesley, O.S.B. † | Titular Bishop of Ramata (Rama) | Vicar Apostolic of Western District, England, Great Britain |
| 25 Dec | | Born | Bartolomeo Pacca † | | Cardinal, Secretary of the Congregation for Universal Inquisition |
| 27 Dec | | Born | Arnaud-Ferdinand de La Porte † | | Bishop of Carcassonne, France |
| 29 Dec | 60.7 | Resigned | Innocenzo Sanseverino † | Bishop of Alife, Italy | Bishop Emeritus |
| 30 Dec | 55.3 | Succeeded | Jean-Antoine Buocher, O.F.M. † | Vicar Apostolic of Chansi and Chensi, China | Vicar Apostolic Emeritus |
| 57.7 | Died | Eugenio Pilotti, O.F.M. Ref. † | Vicar Apostolic of Chansi and Chensi, China |
| 31 Dec | | Died | Timothée Masaji † | Archbishop of Diarbekir (Amida) (Chaldean), Turkey |