| Date | Age | Event | Bishop | Title | Current Title |
| 1 Jul | | Born | Pier Luigi Galletti, O.S.B. † | Rome | Titular Bishop of Cyrene |
| 5 Jul | 47.4 | Ordained Priest | Luca Antonio della Gatta † | Priest | Bishop of Melfi e Rapolla, Italy |
| 27.2 | Ordained Priest | Bernardo Rodrigues Nogueira † | Priest | Bishop of São Paulo, Brazil |
| 6 Jul | 39.9 | Appointed | Annibale Albani † | Cardinal-Priest of San Clemente | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 47.4 | Appointed | Luca Antonio della Gatta † | Bishop of Bitonto, Italy | Bishop of Melfi e Rapolla, Italy |
| 53.2 | Appointed | Francesco Antonio Finy † | Bishop of Avellino e Frigento, Italy | Cardinal, Bishop Emeritus of Tivoli, Italy |
| 57.8 | Appointed | Michelangelo Gentili † | Bishop of Belcastro, Italy |
| 67.9 | Appointed | Ascanius Gonzaga † | Titular Archbishop of Colossae {Rhodes} |
| 48.6 | Appointed | Bernard Gozdzki † | Auxiliary Bishop of Poznań, Poland |
| 48.6 | Appointed | Bernard Gozdzki † | Titular Bishop of Isauropolis | Auxiliary Bishop of Poznań, Poland |
| 27.4 | Confirmed | Armand-Jules de Rohan-Guémené † | Archbishop of Reims, France |
| 33.5 | Appointed | Joseph-Alphonse de Valbelle de Tourves † | Titular Bishop of Hierapolis in Isauria | Bishop of Saint-Omer, France |
| 33.5 | Confirmed | Joseph-Alphonse de Valbelle de Tourves † | Coadjutor Bishop of Saint-Omer, France | Bishop |
| 19 Jul | 47.5 | Ordained Bishop | Luca Antonio della Gatta † | Bishop of Bitonto, Italy | Bishop of Melfi e Rapolla, Italy |
| 57.9 | Ordained Bishop | Michelangelo Gentili † | Bishop of Belcastro, Italy |
| 22 Jul | | Selected | William O’Daly † | Bishop of Kilfenora, Ireland |
| 7 Aug | | Confirmed | William O’Daly † | Bishop of Kilfenora, Ireland |
| 9 Aug | 35.6 | Ordained Bishop | Nicolaus Tomasich † | Bishop of Scardona (Skradin), Italy |
| 10 Aug | 64.0 | Died | Giorgio Cornaro † | Cardinal, Bishop of Padova {Padua}, Italy |
| 13 Aug | 76.6 | Died | Valeriano Chierichelli † | Bishop Emeritus of Ferentino, Italy |
| 16 Aug | 57.6 | Ordained Bishop | Juan Fernández Zapata † | Bishop of Mallorca, Spain | Bishop of León, Spain |
| 20 Aug | 50.8 | Installed | Henri-Osvald de La Tour d’Auvergne de Bouillon † | Archbishop of Vienne, France | Cardinal, Archbishop Emeritus |
| 23 Aug | 27.5 | Ordained Bishop | Armand-Jules de Rohan-Guémené † | Archbishop of Reims, France |
| 27 Aug | | Born | Agostino Felice de’ Rossi † | Fermo | Bishop of Terni, Italy |
| 30 Aug | 31.5 | Ordained Priest | Josephus Antonius Chiolnich † | Priest | Bishop of Bosnia, Croatia |
| 7 Sep | 79.5 | Died | Sebastião Monteiro da Vida, S.J. † | Archbishop of São Salvador da Bahia, Brazil |
| 19 Sep | 25.1 | Ordained Priest | Joseph-Hubert de Boccard † | Priest of Lausanne, Switzerland | Bishop |
| 23.0 | Ordained Priest | Michele Maria Capece Galeota, C.R. † | Priest of Congregation of Clerics Regular | Archbishop Emeritus of Capua, Italy |
| 23.0 | Ordained Priest | Giacomo Costa, C.R. † | Priest of Congregation of Clerics Regular | Bishop of Belluno, Italy |
| 24.2 | Ordained Priest | Johann Karl Leopold von Scherffenberg † | Priest of Olomouc (Olmütz), Czech Republic | Auxiliary Bishop |
| 31.4 | Ordained Priest | Pedro de Vilas-Boas e Sampaio † | Priest | Bishop of Elvas, Portugal |
| 62.5 | Ordained Priest | Francesco de Vico † | Priest | Titular Bishop of Elusa |
| 21 Sep | 26.1 | Ordained Priest | Ippolito Graziadei † | Priest | Bishop of Città della Pieve, Italy |
| Born | Gerolamo Landolfi (Dandolfi) † | Amalphitan | Bishop of Pozzuoli, Italy |
| 22 Sep | | Born | Francisco Antonio de Lorenzana y Butrón † | León | Cardinal, Archbishop Emeritus of Toledo, Spain |
| 23 Sep | 29.9 | Appointed | Alessandro Albani † | Cardinal-Deacon of Santa Maria in Cosmedin | Cardinal, Archivist of the Vatican Secret Archives |
| 36.8 | Appointed | Pierluigi del Mayo † | Bishop of Isola, Italy | Bishop Emeritus |
| 64.7 | Appointed | Charles d’Espinoza, O.F.M. Cap. † | Titular Bishop of Tricale | Bishop of Antwerpen {Antwerp, Anvers}, Belgium |
| 42.7 | Appointed | Juan Antonio de Lardizabal y Elorza † | Bishop of Tlaxcala, México |
| 58.4 | Confirmed | Armand-Pierre de la Croix de Castries † | Archbishop of Albi, France |
| 31.1 | Appointed | Nicolò Leopoldo Lomellini † | Bishop of Brugnato, Italy |
| 62.0 | Appointed | Pietro Savastano, O.F.M. † | Bishop of Castellammare di Stabia, Italy |
| 39.0 | Appointed | Johann Franz Anton von Sirgenstein † | Auxiliary Bishop of Konstanz {Constance}, Germany |
| 39.0 | Appointed | Johann Franz Anton von Sirgenstein † | Titular Bishop of Uthina | Auxiliary Bishop of Konstanz {Constance}, Germany |
| 45.5 | Appointed | Agostino Spínola, C.R.S. † | Bishop of Savona, Italy |
| 27 Sep | 36.8 | Ordained Bishop | Pierluigi del Mayo † | Bishop of Isola, Italy | Bishop Emeritus |
| 62.0 | Ordained Bishop | Pietro Savastano, O.F.M. † | Bishop of Castellammare di Stabia, Italy |
| Oct | 78.8 | Died | Joannes Dominicus Callegari † | Bishop of Šibenik (Knin), Croatia |
| 4 Oct | 60.8 | Ordained Bishop | José Xirón de Alvarado, O.P. † | Bishop of Nicaragua |
| 31.1 | Ordained Bishop | Nicolò Leopoldo Lomellini † | Bishop of Brugnato, Italy |
| 7 Oct | 100.8 | Appointed | Juan Herrera † | Bishop of Sigüenza, Spain |
| 54.8 | Appointed | Luis de Salcedo y Azcona † | Archbishop of Sevilla {Seville}, Spain |
| 9 Oct | 49.8 | Appointed | Benito Crespo y Monroy, O.S. † | Bishop of Durango, México | Bishop of Tlaxcala, México |
| Born | Giuseppe Monticelli † | Brundusin | Bishop of Ugento, Italy |
| 10 Oct | | Born | Rafael José Verger y Suau, O.F.M. † | Mallorca, Spain | Bishop of Linares o Nueva León, Nuevo León, México |
| 12 Oct | | Born | Stephan Alexander Würdtwein † | Amorbach | Auxiliary Bishop of Worms, Germany |
| 22 Oct | | Born | Giovanni Lercari † | Taggia | Archbishop of Genova, Italy |
| 23 Oct | | Born | Giuseppe Maria Langosco-Stroppiana † | Vercelli | Bishop of Alba (Pompea), Italy |
| 24 Oct | 60.8 | Succeeded | Maciej Józef Ancuta † | Bishop of Vilnius, Lithuania |
| 78.8 | Died | Konstanty Kazimierz Brzostowski † | Bishop of Vilnius, Lithuania |
| 25 Oct | 53.7 | Died | Raymund Ferdinand von Rabatta † | Bishop of Passau, Germany |
| 26 Oct | 73.7 | Died | Philippus Albini † | Bishop of Sant’Agata de’ Goti, Italy |
| 28 Oct | 40.2 | Ordained Priest | Annibale Albani † | Priest | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 57.3 | Died | Wilhelm Hermann Ignaz Ferdinand von Wolf-Metternich zu Gracht † | Auxiliary Bishop of Münster, Germany |
| Nov | 63.7 | Died | Raimondo Asperti, O.P. † | Bishop of Hvar (Lesina), Croatia |
| 1 Nov | | Born | Josephus Cosserich Teodosio † | Sibenicen | Bishop of Korčula (Curzola, Cursola), Croatia |
| Born | Carlo Livizzani Forni † | Modena, Italy | Cardinal, Cardinal-Priest of San Silvestro in Capite |
| 6 Nov | | Born | Carlo Giuseppe Morozzo † | Torino | Bishop of Fossano, Italy |
| 12 Nov | 72.5 | Died | Jerónimo del Valle Ledesma † | Bishop of Almería, Spain |
| 15 Nov | 53.5 | Ordained Bishop | Francesco Antonio Finy † | Bishop of Avellino e Frigento, Italy | Cardinal, Bishop Emeritus of Tivoli, Italy |
| 23.0 | Ordained Priest | Francesco Saverio Mastrilli, C.R. † | Priest of Congregation of Clerics Regular | Archbishop of Taranto, Italy |
| 18 Nov | 74.8 | Died | Bonaventura Poerio, O.F.M. † | Archbishop of Salerno, Italy |
| 20 Nov | | Born | Benoit-Antoine Doria † | Rogliano | Bishop of Ajaccio, France |
| 22 Nov | 22.1 | Ordained Priest | Deodatus Baiardi † | Priest | Bishop of Urbania-Sant’Angelo in Vado, Italy |
| 34.1 | Ordained Priest | Ettore Molza † | Priest | Bishop of Modena, Italy |
| 25 Nov | 51.9 | Selected | Manuel Coutinho † | Bishop of Funchal, Portugal | Bishop of Lamego, Portugal |
| 29 Nov | 42.9 | Ordained Bishop | Juan Antonio de Lardizabal y Elorza † | Bishop of Tlaxcala, México |
| Dec | 25.1 | Ordained Priest | Claude-Antoine de Choiseul-Beaupré † | Priest | Bishop of Chalons-sur-Marne, France |
| 61.3 | Died | Ottavio Picenardi (Piccinardi) † | Bishop of Reggio Emilia, Italy |
| 4 Dec | | Born | Guillaume Piguel, M.E.P. † | La Mézière, France | Vicar Apostolic of Cochin {Cocincina}, Viet Nam |
| 6 Dec | 100.9 | Ordained Bishop | Juan Herrera † | Bishop of Sigüenza, Spain |
| 39.2 | Ordained Bishop | Johann Franz Anton von Sirgenstein † | Titular Bishop of Uthina | Auxiliary Bishop of Konstanz {Constance}, Germany |
| 7 Dec | 65.4 | Selected | Feliks Ignacy Kretkowski † | Bishop of Chelmno (Culma, Kulm), Poland |
| 10 Dec | 63.9 | Died | Antonio Maria Brancaccio, C.R. † | Archbishop of Acerenza e Matera, Italy |
| 15 Dec | 34.0 | Appointed | Johann Friedrich Adolf von Hörde zu Schönholthausen † | Vicar Apostolic of Nordic Missions, Germany |
| 19 Dec | 24.2 | Ordained Priest | Giovanni Bufalini † | Priest | Bishop of Carinola (Calina), Italy |
| 23.0 | Ordained Priest | Antonio Falangola † | Priest | Bishop of Caserta, Italy |
| 24.9 | Ordained Deacon | Antoni Gorczyński † | Deacon | Auxiliary Bishop of Kyiv-Halyč {Kiev} (Ruthenian), Ukraine |
| 42.9 | Ordained Priest | Thomas Severi † | Priest | Titular Bishop of Tricomia |
| 44.8 | Selected | Augustyn Wessel, O. Cist. † | Bishop of Inflanty (Livonia)-Pilten, Poland | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| 24 Dec | 75.5 | Resigned | Onofrio Montesoro † | Bishop of Castellaneta, Italy | Bishop Emeritus |
| 25 Dec | 68.0 | Died | Bernardo di Cariñena, O. de M. † | Archbishop of Cagliari, Italy |