| Date | Age | Event | Bishop | Title | Current Title |
| 1 Jul | | Born | Franz Xaver von Adelmann von Adelmannsfelden † | Hohenstadt | Auxiliary Bishop of Augsburg, Germany |
| 5 Jul | 55.5 | Died | Atanasio Esterriga Trajanáuregui † | Bishop of Mallorca, Spain |
| Appointed | Pietro Francesco Lombardi, O.F.M. † | Titular Bishop of Talia |
| 6 Jul | | Ordained Bishop | Pierre-Guillaume de La Vieuxville-Pourpris † | Bishop of Saint-Brieuc, France |
| 8 Jul | | Born | Ferdynand Onufry Kicki † | Golyminen | Archbishop of Lviv, Ukraine |
| 9 Jul | 72.5 | Died | Pedro Nogales Dávila † | Bishop of Tlaxcala, México |
| 13 Jul | 41.5 | Ordained Bishop | Charles-Guillaume de Maupeou † | Bishop of Lombez, France |
| 38.6 | Ordained Deacon | Domenico Silvio Passionei † | Deacon | Cardinal, Librarian of the Vatican Library |
| 14 Jul | | Born | Bernardino Giraud † | Rome | Cardinal, Archbishop Emeritus of Ferrara, Italy |
| 63.0 | Appointed | Giovan Battista Renzoli † | Bishop of Amelia, Italy |
| 15 Jul | | Born | Salvatore Ventimiglia, C.O. † | Palermo | Bishop Emeritus of Catania, Italy |
| 16 Jul | 28.8 | Elevated to Cardinal | Alessandro Albani † | Cardinal, Archivist of the Vatican Secret Archives |
| 64.4 | Installed | Juan Álvaro Cienfuegos Villazón, S.J. † | Cardinal-Priest of San Bartolomeo all’Isola | Cardinal, Archbishop Emeritus of Monreale, Italy |
| 57.4 | Installed | Bernardo Maria Conti, O.S.B. † | Cardinal-Priest of San Bernardo alle Terme | Cardinal, Bishop Emeritus of Terracina, Priverno e Sezze, Italy |
| 52.6 | Appointed | Tomás Crespo Agüero † | Bishop of Ceuta, Spain | Archbishop of Zaragoza, Spain |
| 66.4 | Appointed | Alessandro Dolfi † | Bishop of Fano, Italy |
| 64.9 | Elevated to Cardinal | Guillaume Dubois † | Cardinal, Archbishop of Cambrai, France |
| 55.5 | Appointed | Miguel Estela, O.M. † | Bishop of Jaca, Spain |
| 38.6 | Appointed | Domenico Silvio Passionei † | Titular Archbishop of Ephesus | Cardinal, Librarian of the Vatican Library |
| 40.7 | Appointed | Felice Sollazzo Castriotta † | Bishop of Bisignano, Italy | Bishop Emeritus |
| 52.8 | Appointed | Francesco Maria Tansj (Tansi) † | Bishop of Teramo, Italy |
| 20 Jul | 45.6 | Ordained Bishop | Godefroid-Maurice de Conflans † | Bishop of Le Puy-en-Velay, France |
| 63.0 | Ordained Bishop | Giovan Battista Renzoli † | Bishop of Amelia, Italy |
| 25 Jul | 67.5 | Died | Alessandro Calvi-Organi † | Bishop of San Severino (Marche), Italy |
| 33.6 | Ordained Bishop | Louis-Armand Chomel † | Bishop of Orange, France | Bishop Emeritus |
| 38.6 | Ordained Bishop | Domenico Silvio Passionei † | Titular Archbishop of Ephesus | Cardinal, Librarian of the Vatican Library |
| 52.8 | Ordained Bishop | Francesco Maria Tansj (Tansi) † | Bishop of Teramo, Italy |
| 27 Jul | 33.6 | Ordained Bishop | Charles de Bannes d’Avéjan † | Bishop of Alès (Alais), France |
| 66.5 | Ordained Bishop | Alessandro Dolfi † | Bishop of Fano, Italy |
| 30 Jul | 38.7 | Appointed | Domenico Silvio Passionei † | Apostolic Nuncio to Switzerland | Cardinal, Librarian of the Vatican Library |
| 2 Aug | 71.6 | Died | Stanislaw Szembek † | Archbishop of Gniezno, Poland |
| 3 Aug | 36.6 | Ordained Bishop | Michel Pierre d’Argouges † | Bishop of Périgueux (Vesuna), France |
| 45.1 | Ordained Priest | Johann Moritz Gustav von Manderscheid-Blankenheim † | Priest of Wiener Neustadt, Austria | Archbishop of Praha {Prague}, Czech Republic |
| 7 Aug | 76.5 | Died | Johann Jakob Senfft † | Auxiliary Bishop Emeritus of Mainz, Germany |
| 14 Aug | 57.6 | Succeeded | Thomas Bottaro a Sextris, O.P. † | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viet Nam |
| 76.6 | Died | Juan a Santa Cruz, O.P. † | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viet Nam |
| 19 Aug | | Born | Filippo Maria Visconti † | Massino | Archbishop of Milano {Milan}, Italy |
| 24 Aug | 29.4 | Ordained Priest | Francisco Xavier Aranha † | Priest | Bishop of Olinda, Brazil |
| 25 Aug | | Born | Joseph-Crispin des Achards de La Baume † | Avignon | Bishop of Cavaillon, France |
| Sep | 68.0 | Died | Domenico Sabbatino † | Bishop of Anglona-Tursi, Italy |
| 5 Sep | 59.7 | Appointed | José Xirón de Alvarado, O.P. † | Bishop of Nicaragua |
| 7 Sep | 26.0 | Ordained Priest | Lorenzo Da Ponte † | Priest | Bishop of Ceneda, Italy |
| Ordained Bishop | Juan Lancaster (or Alencaster) Norona † | Bishop of Cuenca, Spain |
| 8 Sep | 70.2 | Resigned | André-Daniel de Beaupoil de Saint-Aulaire † | Bishop of Tulle, France | Bishop Emeritus |
| 46.7 | Resigned | Charles-François d’Hallencourt de Dromesnil † | Bishop of Autun, France | Bishop of Verdun, France |
| 9 Sep | 70.4 | Appointed | Fabrizio Paolucci † | Prefect of the Congregation of Bishops and Regulars | Cardinal, Secretary of the Secretariat of State |
| 10 Sep | 53.6 | Appointed | Onofrio Elisei † | Bishop of Orvieto, Italy |
| 37.7 | Confirmed | François-Honoré-Lancelot de Maniban de Casaubon † | Bishop of Mirepoix, France | Bishop of Bordeaux, France |
| 45.0 | Appointed | Damian Hugo Philipp von Schönborn Bushein † | Cardinal-Priest of San Pancrazio | Cardinal, Bishop of Speyer, Germany |
| 11 Sep | | Born | Giovanni Battista Bussi de Pretis † | Urbino | Cardinal, Bishop of Jesi, Italy |
| 13 Sep | 63.5 | Died | François de Mailly † | Cardinal, Archbishop of Reims, France |
| Born | Giovanni Battista Quasina † | Sassari | Bishop of Bosa, Italy |
| 14 Sep | | Born | Arthur-Richard Dillon † | Saint-Germain-en-Laye | Archbishop of Narbonne, France |
| 16 Sep | | Born | Étienne-François-Xavier des Michels de Champorcin † | Digne | Bishop of Toul, France |
| Born | Pietro Ruggieri † | Peschisolido | Bishop of Ruvo (Ruo)(di Puglia), Italy |
| 20 Sep | 26.7 | Ordained Priest | Jan Krasiński † | Priest | Auxiliary Bishop of Chełm, Poland |
| 24.4 | Ordained Priest | Gaspar Negri † | Priest | Bishop of Poreč (Parenzo), Croatia |
| 23.3 | Ordained Priest | Giuseppe Filippo Porporato † | Priest | Bishop of Saluzzo, Italy |
| 24.1 | Ordained Priest | Francesco Rivera † | Priest | Archbishop of Manfredonia, Italy |
| 23.5 | Ordained Priest | Charles de Saint-Albin † | Priest | Archbishop of Cambrai, France |
| 21 Sep | 67.2 | Died | Tommaso della Gherardesca † | Archbishop of Firenze {Florence}, Italy |
| 22 Sep | | Born | Giambattista Muggiasca † | Como | Bishop of Como, Italy |
| 24 Sep | 28.9 | Appointed | Alessandro Albani † | Cardinal-Deacon of Sant’Adriano al Foro | Cardinal, Archivist of the Vatican Secret Archives |
| Confirmed | Dominique-Laurent de Balbe de Berton de Crillon † | Bishop of Glandèves, France |
| 37.7 | Confirmed | Louis-Jacques Chapt de Rastignac † | Bishop of Tulle, France | Archbishop of Tours, France |
| 47.9 | Appointed | Gianfrancesco De’ Bisleti † | Bishop of Cagli, Italy | Bishop Emeritus of Segni, Italy |
| 61.2 | Appointed | Giovanni Francesco Leoni † | Bishop of San Severino (Marche), Italy |
| Born | Gabriel-François Moreau † | Paris | Bishop of Autun, France |
| 55.1 | Appointed | José Luis Palos Bord, O.F.M. † | Coadjutor Bishop of Paraguay | Bishop |
| 55.1 | Appointed | José Luis Palos Bord, O.F.M. † | Titular Bishop of Talia | Bishop of Paraguay |
| Appointed | Karol Piotr Pancerzyński † | Bishop of Smoleńsk, Poland | Bishop of Vilnius, Lithuania |
| 30.8 | Appointed | Onofrio Pini † | Bishop of Bagnoregio (Bagnorea), Italy |
| 31.0 | Confirmed | Nicolas-Charles de Saulx-Tavannes † | Bishop of Chalons-sur-Marne, France | Cardinal, Archbishop of Rouen, France |
| 44.3 | Confirmed | Johann Adam von Wratislaw von Mitrowitz † | Bishop of Litoměřice, Czech Republic |
| 25 Sep | 47.7 | Selected | Denis-Alexandre Le Blanc, C.R.S.A. † | Bishop of Sarlat, France |
| 32.7 | Selected | Joseph-Alphonse de Valbelle de Tourves † | Coadjutor Bishop of Saint-Omer, France | Bishop |
| 27 Sep | 23.1 | Ordained Priest | Giuseppe Coppola, C.O. † | Priest of Confederation of Oratorians of St. Philip Neri | Bishop of Castellammare di Stabia, Italy |
| 28 Sep | 23.0 | Ordained Priest | Petrus Gioeni † | Priest | Titular Bishop of Assuras |
| 29 Sep | | Born | Domenico Gaetano Novellucci † | Prato | Bishop of Colle di Val d’Elsa, Italy |
| 30 Sep | | Born | Franciscus Maria Trombini † | Paola | Bishop of Cariati e Cerenzia, Italy |
| Oct | 71.7 | Died | Biagio Gambaro † | Bishop of Telese o Cerreto Sannita, Italy |
| Born | Jan Szyikoswki † | Ostroleka | Auxiliary Bishop of Lutsk (Łuck), Ukraine |
| 1 Oct | 49.3 | Died | Gerolamo Archinto † | Apostolic Nuncio to Poland |
| 5 Oct | 22.9 | Ordained Priest | Domenico Andrea Calvaccante (Cavalcante), C.R. † | Priest of Congregation of Clerics Regular | Archbishop of Trani, Italy |
| 63.8 | Died | Louis-Annet de Clermont de Chaste de Roussillon † | Bishop of Laon, France |
| 47.9 | Ordained Bishop | Gianfrancesco De’ Bisleti † | Bishop of Cagli, Italy | Bishop Emeritus of Segni, Italy |
| 25.5 | Ordained Priest | Ludwig Hatteisen, O.S.B. † | Priest of Order of Saint Benedict | Auxiliary Bishop of Hildesheim, Germany |
| 61.3 | Ordained Bishop | Giovanni Francesco Leoni † | Bishop of San Severino (Marche), Italy |
| 30.9 | Ordained Bishop | Onofrio Pini † | Bishop of Bagnoregio (Bagnorea), Italy |
| 26.1 | Ordained Priest | Ignazio Reali † | Priest | Titular Archbishop of Athenae |
| 23.1 | Ordained Priest | Balthasar Maria Remondini † | Priest | Bishop of Cefalonia e Zante, Greece |
| 6 Oct | 23.5 | Selected | Charles de Saint-Albin † | Bishop of Laon, France | Archbishop of Cambrai, France |
| 8 Oct | | Born | Carlo Nicola Maria Fabi, O.S.A. † | Viadana | Bishop of Bobbio, Italy |
| 11 Oct | | Born | Antônio Corrêa, O.S.A. † | Porto | Archbishop of São Salvador da Bahia, Brazil |
| 12 Oct | 55.8 | Ordained Bishop | Miguel Estela, O.M. † | Bishop of Jaca, Spain |
| 14 Oct | 18.1 | Confirmed | Johann Theodor von Bayern † | Cardinal, Bishop of Regensburg, Germany |
| 16 Oct | | Born | Giuseppe Pitocco † | Napoli | Bishop of Trivento, Italy |
| 18 Oct | 72.2 | Died | Georg Sigismund von Sinnersberg † | Auxiliary Bishop of Trento, Italy |
| 19 Oct | 23.0 | Ordained Priest | Michal Ignacy Kunicki † | Priest | Auxiliary Bishop of Kraków, Poland |
| 22 Oct | | Born | Jan Kanty Leńczowski † | Temenick | Auxiliary Bishop of Kraków, Poland |
| 26 Oct | 37.8 | Ordained Bishop | François-Honoré-Lancelot de Maniban de Casaubon † | Bishop of Mirepoix, France | Bishop of Bordeaux, France |
| Nov | 52.9 | Ordained Bishop | Tomás Crespo Agüero † | Bishop of Ceuta, Spain | Archbishop of Zaragoza, Spain |
| Born | Francesco D’Afflitto † | Ravellen | Bishop of Lettere (-Gragnano), Italy |
| 4 Nov | 52.4 | Appointed | Johann Joseph Ignaz Freyschlag von Schmidenthal † | Prefect of Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany |
| 5 Nov | | Born | Juan Varela Fondevilla y Verea † | San Pedro de Folladella | Auxiliary Bishop of Santiago de Compostela, Spain |
| 9 Nov | 23.0 | Ordained Priest | Cristoforo Lugaresi † | Priest | Bishop of Comacchio, Italy |
| 31.2 | Ordained Bishop | Nicolas-Charles de Saulx-Tavannes † | Bishop of Chalons-sur-Marne, France | Cardinal, Archbishop of Rouen, France |
| 11 Nov | 49.3 | Ordained Bishop | Benjamin Petre, O.S.B. † | Titular Bishop of Prusa | Vicar Apostolic of London District, England, Great Britain |
| 15 Nov | 25.5 | Ordained Priest | Leopold Friedrich von Egkh und Hungersbach † | Priest of Olomouc (Olmütz), Czech Republic | Bishop |
| 16 Nov | | Ordained Bishop | Juan Francisco Gómez Calleja † | Bishop of Cartagena, Colombia |
| 22 Nov | | Born | Marcantonio Marcolini † | Fano, Italy | Cardinal, Cardinal-Priest of Sant’Onofrio |
| 29 Nov | 39.2 | Appointed | Ettore Quarti (del Quarto) † | Bishop of Anglona-Tursi, Italy | Bishop of Caserta, Italy |
| Dec | | Appointed | Gerasimos Saigh, B.C. † | Archbishop of Alep [Beroea, Halab] (Melkite Greek), Syria | Archbishop Emeritus |
| 1 Dec | 36.9 | Appointed | Jérôme-Louis de Foudras de Courcenay † | Titular Bishop of Tlos | Bishop of Poitiers, France |
| 36.9 | Confirmed | Jérôme-Louis de Foudras de Courcenay † | Coadjutor Bishop of Poitiers, France | Bishop |
| 53.8 | Appointed | Giuseppe Galliani † | Bishop of Sant’Angelo dei Lombardi e Bisaccia, Italy |
| 38.9 | Confirmed | Léonor III de Goyon de Matignon † | Bishop of Coutances, France |
| 35.6 | Appointed | Antonius Kacich † | Bishop of Trogir (Traù), Croatia | Archbishop of Split (Spalato), Croatia |
| 48.8 | Confirmed | Wenzel Franz Karl Koschinsky von Koschín † | Bishop of Hradec Králové, Czech Republic |
| 51.9 | Appointed | Stefan Bogusław Rupniewski † | Bishop of Lutsk (Łuck), Ukraine |
| 42.9 | Appointed | Manuel Samaniego Jaca † | Archbishop of Tarragona, Spain | Archbishop Emeritus of Burgos, Spain |
| 11 Dec | 81.9 | Died | Carlo Antonio Gozzano † | Bishop of Acqui, Italy |
| 14 Dec | 53.9 | Ordained Bishop | Giuseppe Galliani † | Bishop of Sant’Angelo dei Lombardi e Bisaccia, Italy |
| 39.2 | Ordained Bishop | Ettore Quarti (del Quarto) † | Bishop of Anglona-Tursi, Italy | Bishop of Caserta, Italy |
| 17 Dec | | Born | Emanuele Maria Pignone del Carretto, O.S.A. † | Oriolo Feudo | Bishop of Sessa Aurunca, Italy |
| 20 Dec | 23.0 | Ordained Priest | Domenico Anelli † | Priest | Bishop of Andria, Italy |
| 24.1 | Ordained Priest | Nicola Cioffi † | Priest | Archbishop of Amalfi, Italy |
| 24.6 | Ordained Priest | Antônio da Madre de Deus Galvão, O.F.M. † | Priest of Order of Friars Minor | Bishop of São Paulo, Brazil |
| 23.0 | Ordained Priest | Giovanni Battista Lattanzi † | Priest | Bishop Emeritus of Città di Castello, Italy |
| 21 Dec | 77.6 | Died | Bernardino della Chiesa, O.F.M. † | Bishop of Peking [Beijing], China |
| 23 Dec | 79.0 | Died | François Marie Sacco, C.R. † | Bishop of Brugnato, Italy |
| 24 Dec | | Born | Paolo Orefici † | Faenza | Bishop of Gubbio, Italy |
| 25 Dec | | Born | Emanuele de Tomasiis † | Napoli | Bishop of Ascoli Satriano, Italy |
| Born | José Tormo Juliá † | Albaida | Bishop of Orihuela, Spain |
| 26 Dec | | Ordained Bishop | Gerasimos Saigh, B.C. † | Archbishop of Alep [Beroea, Halab] (Melkite Greek), Syria | Archbishop Emeritus |
| 28 Dec | 35.7 | Ordained Bishop | Antonius Kacich † | Bishop of Trogir (Traù), Croatia | Archbishop of Split (Spalato), Croatia |