| Date | Age | Event | Bishop | Title | Current Title |
| Jul | 63.1 | Died | Fernando Cardiñanos, O.F.M. † | Bishop of Comayagua, Honduras |
| 6 Jul | | Born | Giovanni Battista Nehiba † | Bacscs | Bishop of Foreign Diocese |
| 7 Jul | 69.9 | Died | Lothar Breidbach zu Bürresheim, O.S.B. † | Auxiliary Bishop of Fulda, Germany |
| 17 Jul | | Born | René-François Régnier † | Saint-Quentin-les-Beaurepaire | Cardinal, Archbishop of Cambrai, France |
| 24 Jul | 67.0 | Resigned | Jean-Marie Cuchot d'Herbain † | Auxiliary Bishop of Trier, Germany | Auxiliary Bishop Emeritus |
| 25 Jul | 67.3 | Died | Charles-François-SIméon de Saint-Simon de Vermandois de Rouvroy de Sandricourt † | Bishop of Agde, France |
| 26 Jul | | Born | Louis Delcusy † | Sainte-Anastasie | Bishop of Viviers, France |
| 1 Aug | | Born | Basilio Erdely † | Makò | Bishop of Oradea Mare {Gran Varadino} (Romanian), Romania |
| 3 Aug | | Born | Giovanni Constantini † | Cosenza | Bishop of Molfetta-Giovinazzo-Terlizzi, Italy |
| 5 Aug | 66.6 | Died | Gregorio Antonio Maria Salviati † | Cardinal, Cardinal-Deacon of S. Maria in Via Lata |
| 12 Aug | 57.8 | Died | Michal Jerzy Poniatowski † | Archbishop of Gniezno, Poland |
| 14 Aug | 70.6 | Died | Anne-François-Victor Le Tonnelier de Breteuil † | Bishop of Montauban, France |
| 19 Aug | 60.2 | Died | José Joaquín Granados y Gálvez, O.F.M. † | Bishop of Durango, Durango, México |
| 28 Aug | 61.9 | Resigned | Antônio de Pádua e Belas, O.F.M. † | Bishop of São Luís do Maranhão, Brazil | Bishop Emeritus |
| Born | Johannes Zwijsen (Zwysen) † | Tilburg | Bishop of ’s Hertogenbosch (Bois-le-Duc), Netherlands |
| 30 Aug | 33.3 | Appointed | Maria-Thaddeus von Trauttmansdorf Wiensberg † | Bishop of Hradec Králové, Czech Republic | Cardinal, Archbishop of Olomouc, Czech Republic |
| 31 Aug | 54.5 | Ordained Bishop | J. Damián Martínez de Galinsonga, O.F.M. † | Bishop of Sonora, Sonora, México | Bishop of Tarazona, Spain |
| 7 Sep | | Born | Nikolaus Franz Florentini † | Müstair | Bishop of Chur, Switzerland |
| 12 Sep | 69.8 | Appointed | Vincenzo Maria Altieri † | Cardinal-Deacon of S. Maria in Via Lata | Cardinal, |
| 67.0 | Appointed | Eustaquio Azara, O.S.B. † | Bishop of Barcelona, Spain |
| 34.2 | Confirmed | Karl Rudolf von Buol-Schauenstein † | Bishop of Chur, Switzerland | Bishop of Chur-Sankt Gallen, Switzerland |
| 65.0 | Appointed | Filippo Carandini † | Cardinal, Cardinal-Deacon of S. Eustachio |
| 48.5 | Appointed | Rafael de Castello de Vide, O.F.M. † | Bishop of São Tomé e Príncipe |
| 52.0 | Appointed | José Joaquim da Cunha Azeredo Coutinho † | Bishop of Olinda, Brazil | Bishop of Elvas, Portugal |
| 55.4 | Appointed | Felipe Antonio Fernández Vallejo † | Bishop of Salamanca, Spain | Archbishop of Santiago de Compostela, Spain |
| 44.7 | Appointed | Pietro Gravina † | Titular Archbishop of Nicaea | Cardinal, Archbishop of Palermo, Italy |
| 64.9 | Appointed | Francisco José Marán † | Bishop of Santiago de Chile |
| 60.3 | Appointed | Diego Melo Portugal, O.S.A. † | Bishop of Osma, Spain | Bishop of Jaén, Spain |
| 61.9 | Appointed | Pedro Nolasco Mora Mora, O. de M. † | Bishop of Solsona, Spain |
| 48.4 | Appointed | Bernardo Nadal Crespí † | Bishop of Mallorca, Spain |
| 45.5 | Confirmed | Franz Xaver Freiherr von Neveu † | Bishop of Basel, Switzerland |
| 45.4 | Appointed | Luis Ignatius Peñalver y Cárdenas † | Bishop of Louisiana and the Two Floridas (Saint Louis of New Orleans), USA | Archbishop Emeritus of Guatemala |
| 50.6 | Installed | Francesco Maria Pignatelli (Jr.) † | Cardinal-Priest of S. Maria del Popolo | Cardinal, Cardinal-Priest of S. Maria in Trastevere |
| 53.1 | Appointed | Ignacy Jan Zygmunt von Raczynski † | Bishop of Poznań, Poland | Archbishop Emeritus of Gniezno, Poland |
| 51.2 | Installed | Giovanni Rinuccini † | Cardinal, Cardinal-Deacon of S. Giorgio in Velabro |
| 56.3 | Appointed | Tomás de Roa y Alarcón † | Bishop of Concepción, Chile |
| 50.0 | Installed | Fabrizio Dionigi Ruffo † | Cardinal-Deacon of S. Angelo in Pescheria | Cardinal, Chamberlain Emeritus of the College of Cardinals |
| 42.4 | Appointed | Juan Cruz Ruiz de Cabañas y Crespo † | Bishop of León en Nicaragua | Bishop of Guadalajara, Jalisco, México |
| 69.7 | Appointed | Blas Manuel Sobrino y Minayo † | Bishop of Trujillo, Peru |
| 64.4 | Confirmed | Sigismund Anton Graf von Hohenwart, S.J. † | Bishop of Sankt Pölten, Austria | Archbishop of Wien {Vienna}, Austria |
| 14 Sep | 44.7 | Ordained Bishop | Pietro Gravina † | Titular Archbishop of Nicaea | Cardinal, Archbishop of Palermo, Italy |
| 55.9 | Died | Johann Joseph Schüller von Ehrenthal † | Prefect of Meissen (Meißen) {Lusazia o Lausitz; Sassonia}, Germany |
| 16 Sep | 44.8 | Appointed | Pietro Gravina † | Apostolic Nuncio to Switzerland | Cardinal, Archbishop of Palermo, Italy |
| 17 Sep | 71.8 | Died | Benoit-Antoine Doria † | Bishop of Ajaccio, France |
| 24 Sep | 22.9 | Ordained Priest | Johann Friedrich Oesterreicher † | Priest of Bamberg, Germany | Bishop of Eichstätt, Germany |
| 25 Sep | | Born | Chiarissimo Falconieri Mellini † | Rome | Cardinal, Archbishop of Ravenna, Italy |
| 29 Sep | | Born | William Placid Morris, O.S.B. † | London, Great Britain | Vicar Apostolic Emeritus of Cape of Good Hope, Western District {Capo di Buona Speranza, Distretto Occidentale}, South Africa |
| 30 Sep | 51.2 | Appointed | Pierre Denaut † | Coadjutor Bishop of Québec, Québec, Canada | Bishop |
| 51.2 | Appointed | Pierre Denaut † | Titular Bishop of Canatha | Bishop of Québec, Québec, Canada |
| 5 Oct | 34.3 | Ordained Bishop | Karl Rudolf von Buol-Schauenstein † | Bishop of Chur, Switzerland | Bishop of Chur-Sankt Gallen, Switzerland |
| Born | Pietro Marini † | Rome | Cardinal, Priest of the Roman Curia - Other |
| 7 Oct | | Born | Jean-Nicaise Gros † | Reims | Bishop of Versailles, France |
| 8 Oct | 42.8 | Succeeded | Patrick MacMullan † | Bishop of Down and Connor, Ireland |
| 18 Oct | | Born | José Joaquim de Azevedo e Moura † | Alfandega da Fe | Archbishop of Braga, Portugal |
| Born | John Bede Polding, O.S.B. † | Liverpool, Great Britain | Archbishop of Sydney, Australia |
| 19 Oct | | Born | Taddeo Łubieński † | Grabowec | Auxiliary Bishop of Włocławek, Poland |
| 22 Oct | | Born | Paul Naudo † | Les Angles | Archbishop of Avignon, France |
| 24 Oct | | Born | Toussaint (Raffaele Sante) Casanelli d'Istria † | Chigliani | Bishop of Ajaccio, France |
| 25 Oct | 56.3 | Died | Theodor Freiherr von Brabeck, O.S.B. † | Bishop-Elect of Corvey, Germany |
| Born | Agostino-Maria de Mari † | Genova | Bishop of Savona e Noli, Italy |
| Died | Hugh MacMullan † | Bishop of Down and Connor, Ireland |
| 28 Oct | 71.8 | Died | Giovanni Benedetto M. Civran † | Bishop of Chioggia, Italy |
| 2 Nov | 41.9 | Succeeded | François de Pierre de Bernis † | Archbishop of Albi, France | Archbishop of Rouen, France |
| 79.4 | Died | François-Joachim de Pierres de Bernis † | Cardinal, Archbishop of Albi, France |
| 4 Nov | | Born | Ignazio Giovanni Cadolino † | Cremona | Cardinal, Archbishop of Ferrara, Italy |
| 6 Nov | 68.6 | Died | Roque Martín Merino † | Bishop of Teruel, Spain |
| 9 Nov | 53.3 | Ordained Bishop | Ignacy Jan Zygmunt von Raczynski † | Bishop of Poznań, Poland | Archbishop Emeritus of Gniezno, Poland |
| Born | Cesare Agostino Sajeva † | Girgenti | Bishop of Piazza Armerina, Italy |
| 11 Nov | | Born | Franz Xaver Zenner † | Wien | Auxiliary Bishop of Wien {Vienna}, Austria |
| 12 Nov | 45.7 | Ordained Bishop | Franz Xaver Freiherr von Neveu † | Bishop of Basel, Switzerland |
| 16 Nov | 60.5 | Ordained Bishop | Diego Melo Portugal, O.S.A. † | Bishop of Osma, Spain | Bishop of Jaén, Spain |
| 48.6 | Ordained Bishop | Bernardo Nadal Crespí † | Bishop of Mallorca, Spain |
| 64.5 | Installed | Sigismund Anton Graf von Hohenwart, S.J. † | Bishop of Sankt Pölten, Austria | Archbishop of Wien {Vienna}, Austria |
| 20 Nov | 59.0 | Died | Cándido Manuel de Torrijos Riguerra, O.P. † | Bishop of Mérida, Venezuela |
| 25 Nov | | Born | Jean-Marie Doney † | Epeugney | Bishop of Montauban, France |
| 27 Nov | | Born | Giuseppe Maria Riofrio † | Loja | Auxiliary Bishop of Quito, Ecuador |
| 29 Nov | 22.2 | Ordained Priest | Justo Santa María de Oro y Albarracín, O.P. † | Priest of Order of Friars Preachers | Bishop of San Juan de Cuyo, Argentina |
| 30 Nov | 55.7 | Ordained Bishop | Felipe Antonio Fernández Vallejo † | Bishop of Salamanca, Spain | Archbishop of Santiago de Compostela, Spain |
| Born | Louis-Charles Féron † | Saint-Grégoire-du-Vièvre | Bishop of Clermont, France |
| 6 Dec | 61.1 | Died | Giuseppe Maria Beneventi, O.F.M. Conv. † | Bishop of Muro Lucano, Italy |
| 9 Dec | | Born | Torello Romolo Pierazzi † | S. Miniato | Bishop of San Miniato, Italy |
| 10 Dec | 71.3 | Died | Esteban Lorenzo de Tristán y Esmenota † | Bishop of Guadalajara, Jalisco, México |
| 16 Dec | 39.8 | Appointed | Ferdinand Hermann Maria Freiherr von Lüninck † | Bishop of Corvey, Germany | Bishop of Münster, Germany |
| 21 Dec | 27.0 | Ordained Priest | Tomas Chmielewski † | Priest | Auxiliary Bishop of Warszawa {Warsaw}, Poland |
| 51.5 | Ordained Deacon | Giovanni Rinuccini † | Deacon | Cardinal, Cardinal-Deacon of S. Giorgio in Velabro |
| 22 Dec | 65.9 | Died | Guillaume-Louis du Tillet † | Bishop of Orange, France |
| 24 Dec | 24.8 | Ordained Priest | James Buckley † | Priest | Vicar Apostolic of Trinidad, Trinidad and Tobago, Antilles |