| Date | Age | Event | Bishop | Title | Current Title |
| 2 Jul | 65.9 | Appointed | Aleixo de Miranda Henriques, O.P. † | Bishop of Miranda, Portugal | Bishop of Porto, Portugal |
| 6 Jul | 65.3 | Elected | Carlo della Torre Rezzonico † | Pope (Roma {Rome}, Italy) |
| 9 Jul | 22.8 | Ordained Priest | Ranieri Mancini † | Priest | Bishop Emeritus of Fiesole, Italy |
| 71.5 | Died | José Manuel da Cámara d'Atalaia † | Cardinal, Patriarch of Lisboa, Portugal |
| 15 Jul | 75.0 | Appointed | Carlo Alberto Guidobono Cavalchini † | Cardinal, Datary of the Apostolic Datary |
| 16 Jul | 45.2 | Appointed | Edmond Bennetat, M.E.P. † | Coadjutor Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 65.4 | Installed | Carlo della Torre Rezzonico † | Pope (Roma {Rome}, Italy) |
| 17 Jul | | Born | Pedro Valera y Jiménez † | Santo Domingo | Archbishop of Santo Domingo, Dominican Republic |
| 19 Jul | | Appointed | António Caetano da Rocha † | Bishop of Angra, Portugal |
| 22 Jul | | Born | Carlo Giuseppe Maria Sappa de Milanes † | Alessandria | Bishop of Acqui, Italy |
| 27 Jul | 37.3 | Died | Segherio Felice Seghieri † | Bishop of Sovana-Pitigliano, Italy |
| 29 Jul | | Died | Ignazio della Chiesa † | Bishop of Casale Monferrato, Italy |
| 2 Aug | 55.6 | Installed | Paul d’Albert de Luynes † | Cardinal-Priest of S. Tommaso in Parione | Cardinal, Archbishop of Sens, France |
| 33.5 | Confirmed | Jean-Baptiste-Marie Champion de Cicé † | Bishop of Troyes, France | Bishop of Auxerre, France |
| 36.9 | Confirmed | Arthur-Richard Dillon † | Archbishop of Toulouse, France | Archbishop of Narbonne, France |
| 45.0 | Confirmed | Antoine de Malvin de Montazet † | Archbishop of Lyon, France |
| Born | Francesco Maria Paolucci Mancinelli † | Todi | Bishop of Fano, Italy |
| 61.6 | Installed | Étienne-René Potier de Gesvres † | Cardinal-Priest of S. Agnese fuori le mura | Cardinal, Bishop Emeritus of Beauvais, France |
| 62.0 | Appointed | Giuseppe Pozzobenelli † | Cardinal-Priest of S. Maria sopra Minerva | Cardinal, Archbishop of Milano {Milan}, Italy |
| 52.4 | Appointed | Franz Konrad Kasimir Ignaz von Rodt † | Cardinal-Priest of S. Maria del Popolo | Cardinal, Bishop of Konstanz {Constance}, Germany |
| 73.7 | Installed | Giovanni Battista Rotario da Pralormo (Rovero) † | Cardinal-Priest of S. Crisogono | Cardinal, Archbishop of Torino {Turin}, Italy |
| 11 Aug | 15.4 | Professed | Józef Gabriel Gembart † | Member of Society of Jesus | Auxiliary Bishop of Gniezno-Poznań, Poland |
| 20 Aug | 29.1 | Ordained Priest | Antonín Theodor Colloredo von Wallsee und Mels † | Priest of Olomouc, Czech Republic | Cardinal, Archbishop of Olomouc, Czech Republic |
| 21 Aug | | Appointed | Anthony Blake † | Archbishop of Armagh, Ireland |
| Appointed | James Brady † | Bishop of Ardagh (and Clonmacnois), Ireland |
| Appointed | Patrick Robert Kirwan † | Bishop of Achonry, Ireland |
| 24 Aug | 49.9 | Ordained Bishop | Manuel Antonio Rojo del Rio Vera † | Archbishop of Manila, Philippines |
| 25 Aug | | Born | Bartolomeo Goglia † | Vitolano | Bishop of Sant’Angelo dei Lombardi-Bisaccia, Italy |
| 29 Aug | 61.0 | Died | Joseph-Hubert de Boccard † | Bishop of Lausanne, Switzerland |
| 30 Aug | | Born | Cristóbal Bencomo Rodríguez † | La Laguna, Spain | Titular Archbishop of Heraclea in Europa |
| 3 Sep | 33.6 | Ordained Bishop | Jean-Baptiste-Marie Champion de Cicé † | Bishop of Troyes, France | Bishop of Auxerre, France |
| 35.2 | Appointed | Louis-Charles du Plessis d'Argentré † | Bishop of Limoges, France |
| 4 Sep | | Born | Jean-Baptiste Colonna d'Istria † | Petreto-Bicchisano | Bishop Emeritus of Nice, France |
| 7 Sep | 56.9 | Succeeded | Francesco Felice Alberti d’Enno † | Bishop of Trento, Italy |
| Died | Giuseppe Stella † | Bishop of Mazara del Vallo, Italy |
| 72.5 | Died | Dominikus Anton Reichsgraf von Thun † | Bishop of Trento, Italy |
| 11 Sep | 67.7 | Appointed | Francesco Alessandro Odoardi † | Bishop of Terracina, Priverno e Sezze, Italy |
| 34.4 | Elevated to Cardinal | Carlo Rezzonico (Jr.) † | In Pectore | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 74.5 | Appointed | Sante Veronese † | Cardinal, Bishop of Padova {Padua}, Italy |
| 16 Sep | | Born | Pietro Francesco Morali † | San Miniato al Tedesco | Archbishop of Firenze {Florence}, Italy |
| 19 Sep | 56.4 | Died | Wojciech Stanisław Leski, O. Cist. † | Bishop of Chelmno (Culma), Poland |
| 21 Sep | 67.8 | Ordained Bishop | Francesco Alessandro Odoardi † | Bishop of Terracina, Priverno e Sezze, Italy |
| 22 Sep | 67.0 | Succeeded | Richard Challoner † | Vicar Apostolic of London District, England, Great Britain |
| 23 Sep | 23.4 | Ordained Priest | Johann Leopold Ritter von Hay † | Priest of Olomouc, Czech Republic | Bishop of Hradec Králové, Czech Republic |
| 30 Sep | 59.9 | Died | Alberico Archinto † | Cardinal, Cardinal-Priest of S. Lorenzo in Damaso |
| 1 Oct | 56.8 | Ordained Bishop | Nicolas de Bouillé de Saint-Géran † | Bishop of Autun, France |
| 2 Oct | 42.1 | Appointed | Wilhelm von Alhaus, O.S.C. † | Auxiliary Bishop of Münster, Germany |
| 42.1 | Appointed | Wilhelm von Alhaus, O.S.C. † | Titular Bishop of Arad | Auxiliary Bishop of Münster, Germany |
| 62.4 | Confirmed | Leopold Friedrich Reichsgraf von Egkh und Hungersbach † | Bishop of Olomouc, Czech Republic |
| 62.4 | Appointed | Ludwig Hatteisen, O.S.B. † | Auxiliary Bishop of Hildesheim, Germany |
| 62.4 | Appointed | Ludwig Hatteisen, O.S.B. † | Titular Bishop of Anemurium | Auxiliary Bishop of Hildesheim, Germany |
| 52.2 | Appointed | Giovanni Francesco Mora, C.O. † | Bishop of Adria, Italy |
| 45.5 | Appointed | Antoni Kazimierz Ostrowski † | Coadjutor Bishop of Włocławek, Poland | Archbishop of Gniezno, Poland |
| 43.4 | Elevated to Cardinal | François-Joachim de Pierres de Bernis † | Cardinal, Archbishop of Albi, France |
| 51.1 | Elevated to Cardinal | Antonio Maria Priuli † | Cardinal, Bishop of Padova {Padua}, Italy |
| 34.4 | Appointed | Carlo Rezzonico (Jr.) † | Cardinal-Priest of S. Lorenzo in Damaso | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 34.4 | Elevated to Cardinal | Carlo Rezzonico (Jr.) † | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 47.8 | Appointed | Francisco San Andrés, O.S.H. † | Auxiliary Bishop of Salamanca, Spain |
| 47.8 | Appointed | Francisco San Andrés, O.S.H. † | Titular Bishop of Zela | Auxiliary Bishop of Salamanca, Spain |
| 33.6 | Appointed | Henry Benedict Mary Clement Stuart of York † | Titular Archbishop of Corinthus | Cardinal, Bishop of Frascati, Italy |
| 57.8 | Appointed | Romualdo Velarde Cienfuegos † | Bishop of Avila, Spain |
| 5 Oct | 50.9 | Ordained Priest | Emmerich Joseph Reichsfreiherr von Breidbach zu Bürresheim † | Priest of Mainz, Germany | Archbishop |
| 6 Oct | | Born | Baldassare Rasponti † | Ravenna | Archbishop of Udine, Italy |
| 9 Oct | 70.2 | Died | Juan Elías Gómez Terán † | Bishop of Orihuela, Spain |
| 17 Oct | | Born | Luigi Ercolani † | Foligno | Cardinal, Cardinal-Priest of S. Marco |
| 27 Oct | 63.8 | Died | Giuseppe Nicolai † | Archbishop of Conza, Italy |
| 28 Oct | 79.1 | Died | Aloysius Foscari † | Patriarch of Venezia {Venice}, Italy |
| 29 Oct | 33.9 | Ordained Bishop | Léopold-Charles de Choiseul-Stainville † | Bishop of Evreux, France | Archbishop of Cambrai, France |
| 30 Oct | | Born | Gaetano Maria Avarna † | Messina | Bishop of Nicosia, Italy |
| 1 Nov | 65.8 | Died | Guillaume-Samuel de Verthamon de Chavagnac † | Bishop of Luçon, France |
| 4 Nov | 69.2 | Died | Carlo Maria Sacripante † | Cardinal, Cardinal-Bishop of Frascati |
| 11 Nov | | Born | Marcin von Siemieński † | Runów Krajenski | Auxiliary Bishop of Gniezno-Poznań, Poland |
| 18 Nov | 46.8 | Appointed | Andrzej Ignacy Baier † | Bishop of Chelmno (Culma), Poland |
| 19 Nov | 49.9 | Appointed | Giuseppe Luigi Avogadro, C.R.L. † | Bishop of Casale Monferrato, Italy |
| 62.5 | Ordained Bishop | Leopold Friedrich Reichsgraf von Egkh und Hungersbach † | Bishop of Olomouc, Czech Republic |
| 33.7 | Ordained Bishop | Henry Benedict Mary Clement Stuart of York † | Titular Archbishop of Corinthus | Cardinal, Bishop of Frascati, Italy |
| 21 Nov | 42.6 | Appointed | Antonio Puoti † | Archbishop of Amalfi, Italy |
| 22 Nov | 44.1 | Appointed | Bartolomeo Felice Guelfi Camaiani † | Bishop of Colle di Val d’Elsa, Italy | Bishop Emeritus |
| 46.2 | Appointed | Carlo Vittorio Amedeo delle Lanze † | Cardinal-Priest of S. Anastasia | Cardinal, Prefect of the Congregation of the Council |
| 49.7 | Appointed | Joseph-Nicolas de Montenach † | Bishop of Lausanne, Switzerland |
| 79.0 | Appointed | Giacomo Oddi † | Cardinal-Priest of S. Maria in Trastevere | Cardinal, Bishop of Viterbo e Tuscania, Italy |
| 66.0 | Appointed | Camillo Paolucci † | Cardinal-Bishop of Frascati | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 26 Nov | 24.2 | Ordained Priest | Paolo Girolamo Orengo, Sch. P. † | Priest of Order of the Pious Schools | Bishop of Ventimiglia, Italy |
| 47.9 | Ordained Bishop | Francisco San Andrés, O.S.H. † | Titular Bishop of Zela | Auxiliary Bishop of Salamanca, Spain |
| 57.9 | Ordained Bishop | Romualdo Velarde Cienfuegos † | Bishop of Avila, Spain |
| 27 Nov | 59.3 | Appointed | Giovanni Bragadino (Bragadin) † | Patriarch of Venezia {Venice}, Italy |
| 28 Nov | | Born | Francesco Saverio (François-Xavier) Pereira † | Rome | Bishop of Rieti, Italy |
| 3 Dec | 37.2 | Appointed | Gabriel-François Moreau † | Bishop of Vence, France | Bishop of Autun, France |
| 16 Dec | 63.0 | Died | Andrzej Stanisław Załuski † | Bishop of Kraków, Poland |
| 17 Dec | | Died | Casimiro Rossi † | Archbishop of Salerno, Italy |
| 18 Dec | 35.5 | Confirmed | Louis-Charles du Plessis d'Argentré † | Bishop of Limoges, France |
| Born | Emmanuele de Gregorio † | (at sea) | Cardinal, Secretary of the Roman Curia - Other |
| 50.0 | Appointed | Charles-François de Pélissier de Saint-Ferréol † | Bishop of Vaison, France | Bishop Emeritus |
| 53.8 | Appointed | Nicola Spedalieri † | Bishop of Martirano (Martoranum), Italy | Bishop of Oppido Mamertina, Italy |
| 19 Dec | | Born | Domenico Ricciardone † | Chieti | Bishop of Penne-Atri, Italy |
| 22 Dec | 86.4 | Died | Benjamin Petre, O.S.B. † | Vicar Apostolic of London District, England, Great Britain |
| 23 Dec | 71.0 | Died | Clemente Argenvilliers † | Cardinal-Priest of SS. Trinità al Monte Pincio | Cardinal, Prefect of the Congregation of the Council |
| 24.1 | Ordained Priest | Johann Michael Josef von Pidoll de Quitenbach † | Priest of Trier, Germany | Bishop of Le Mans, France |
| 27 Dec | 50.0 | Ordained Bishop | Charles-François de Pélissier de Saint-Ferréol † | Bishop of Vaison, France | Bishop Emeritus |