| Date | Age | Event | Bishop | Title | Current Title |
| 2 Jul | 49.5 | Ordained Bishop | Girolamo Curlo † | Bishop of Aleria, France |
| 51.1 | Ordained Bishop | José Cayetano Paravicino, O.F.M. † | Bishop of Paraguay | Bishop of Trujillo, Peru |
| 3 Jul | 69.5 | Appointed | Eugénio Boto da Silva † | Auxiliary Bishop of Braga, Portugal |
| 69.5 | Appointed | Eugénio Boto da Silva † | Titular Bishop of Etalonia (Hetalonia) | Auxiliary Bishop of Braga, Portugal |
| 46.1 | Appointed | Salvator Angelo Cadello † | Bishop of Ampurias e Civita, Italy |
| 44.4 | Confirmed | Bonifatius (Giovanni Giuseppe) Cecotti, O.F.M. † | Bishop of Pedena, Austria |
| 61.8 | Appointed | Aloysius Foscari † | Patriarch of Venezia {Venice}, Italy |
| 45.1 | Appointed | Ferdinando Mandarani † | Bishop of Strongoli, Italy | Bishop of Oppido Mamertina, Italy |
| 43.5 | Appointed | José Morales Blanco † | Bishop of Palencia, Spain |
| 45.5 | Appointed | Francesco Maria Piccolomini † | Bishop of Pienza, Italy | Bishop Emeritus |
| 36.8 | Appointed | Vincenzo Giovanni Vico † | Archbishop of Oristano, Italy |
| 58.2 | Appointed | Angelo Maria Volanti, O.P. † | Bishop of Stagno (Ston), Croatia |
| 9 Jul | 45.1 | Ordained Bishop | Ferdinando Mandarani † | Bishop of Strongoli, Italy | Bishop of Oppido Mamertina, Italy |
| 45.5 | Ordained Bishop | Francesco Maria Piccolomini † | Bishop of Pienza, Italy | Bishop Emeritus |
| 58.2 | Ordained Bishop | Angelo Maria Volanti, O.P. † | Bishop of Stagno (Ston), Croatia |
| 24.5 | Ordained Priest | Tomasz Ignacy Zienkowicz † | Priest | Auxiliary Bishop Emeritus of Vilnius, Lithuania |
| 12 Jul | | Born | Vicente Navas, O.P. † | Mérida, Spain | Bishop of Comayagua, Honduras |
| 16 Jul | 103.5 | Died | Henri de Briqueville † | Bishop of Cahors, France |
| Born | Vincenzo Calà † | Napoli | Archbishop of Sorrento, Italy |
| 21 Jul | 65.5 | Died | João de Faro, O.F.M. † | Bishop of Santiago de Cabo Verde |
| 23 Jul | 53.1 | Installed | Domenico Antonio Brizi † | Bishop of Marsi, Italy |
| 35.1 | Ordained Bishop | Joachim-Enjobert de Martiliat, M.E.P. † | Titular Bishop of Echinus | Vicar Apostolic of Se-Ciuen (Setchoan), China |
| 26 Jul | 60.0 | Died | Jakob Maximilian von Thun und Hohenstein † | Bishop of Gurk, Austria |
| 28 Jul | | Born | Ignacy Jan Zygmunt von Raczyński † | Maloszyn | Archbishop Emeritus of Gniezno, Poland |
| 30 Jul | 24.1 | Ordained Priest | Francesco Maria Colombani † | Priest | Bishop of Bertinoro, Italy |
| 86.7 | Died | Francesco Federico Giordani † | Titular Archbishop of Melitene |
| 1 Aug | 56.5 | Died | Francesco Maria Alberici † | Bishop of Foligno, Italy |
| 3 Aug | 70.1 | Died | Lorenzo Altieri † | Cardinal, Cardinal-Deacon of Santa Maria in Via Lata |
| 5 Aug | | Born | Marie-Anne-Hippolyte Hay de Bonteville † | Rennes | Bishop of Grenoble, France |
| 7 Aug | 39.6 | Appointed | José Alcaraz Belluga † | Bishop of Tarazona, Spain | Bishop Emeritus |
| 37.1 | Appointed | Josephus Łaszcz † | Coadjutor Bishop of Kyiv and Chernihiv (Kijów and Czernihow), Ukraine |
| 59.6 | Appointed | Miguel Bernardino de la Fuenta y Rojas † | Bishop of Ayacucho o Huamanga (Guamanga), Peru |
| 74.4 | Appointed | Carlo Maria Marini † | Cardinal, Cardinal-Deacon of Santa Maria in Via Lata |
| 52.6 | Appointed | Andreas de Rossi, C.R. † | Titular Bishop of Patara |
| 55.5 | Appointed | Andrés Vergara Uribe † | Bishop of Santa Cruz de la Sierra, Bolivia |
| 10 Aug | 54.6 | Ordained Bishop | Lawrence William York, O.S.B. † | Titular Bishop of Nebbi | Vicar Apostolic Emeritus of Western District, England, Great Britain |
| 11 Aug | | Born | José da Costa e Torres † | Setúbal | Archbishop of Braga, Portugal |
| 78.6 | Died | François Louis Sanguessa, O.F.M. † | Bishop of Roermond, Netherlands |
| 19 Aug | | Born | Szczepan Hołowczyc † | Orsha, Lithuania | Archbishop of Warszawa {Warsaw}, Poland |
| 20 Aug | 38.1 | Selected | Christophe de Beaumont du Repaire † | Bishop of Bayonne, France | Archbishop of Paris, France |
| 38.6 | Appointed | Bertrand-Jean-Baptiste-René du Guesclin † | Bishop of Cahors, France |
| 43.3 | Selected | Jacques-Bonne Gigault de Bellefonds † | Archbishop of Arles, France | Archbishop of Paris, France |
| 44.1 | Installed | Francisco Pablo Matos Coronado † | Bishop of Michoacán, México |
| 33.6 | Selected | Jean-Baptiste-Joseph de Méallet de Fargues † | Bishop of Saint-Claude, France |
| 81.6 | Died | Gregorio Téllez, O.F.M. Conv. † | Bishop Emeritus of Ciudad Rodrigo, Spain |
| 24 Aug | 28.6 | Selected | Henri-Gaston de Lévis-Leran † | Bishop of Pamiers, France |
| 27 Aug | 51.7 | Ordained Bishop | José Ignacio Mijares Solórzano y Tobar † | Bishop of Santa Marta, Colombia |
| 3 Sep | 39.6 | Ordained Bishop | José Alcaraz Belluga † | Bishop of Tarazona, Spain | Bishop Emeritus |
| 59.2 | Ordained Deacon | Francesco Landi Pietra † | Deacon | Cardinal, Archbishop Emeritus of Benevento, Italy |
| 40.8 | Ordained Bishop | Gaspar Molina Rocha, O.S.A. † | Bishop of Almería, Spain |
| 5 Sep | | Born | Sébastien-Michel Amelot † | Angers | Bishop Emeritus of Vannes, France |
| 8 Sep | 59.2 | Ordained Priest | Francesco Landi Pietra † | Priest | Cardinal, Archbishop Emeritus of Benevento, Italy |
| 10 Sep | 46.7 | Died | Claude de Chabannes (Cabannes) † | Bishop of Gap, France |
| 44.6 | Ordained Bishop | Bonifatius (Giovanni Giuseppe) Cecotti, O.F.M. † | Bishop of Pedena, Austria |
| 40.9 | Died | Daniel-Joseph de Cosnac † | Bishop of Die, France |
| 61.9 | Ordained Bishop | Aloysius Foscari † | Patriarch of Venezia {Venice}, Italy |
| 16 Sep | 61.3 | Resigned | Nicolò Antonio Carafa, O.S.B. † | Bishop of Tricarico, Italy | Bishop Emeritus |
| 18 Sep | 43.0 | Confirmed | Adam Stanisław Grabowski † | Bishop of Warmia (Ermland), Poland |
| 62.2 | Appointed | Giovanni Francisco Ingenuo † | Titular Bishop of Dibon (Dibona) |
| 59.2 | Appointed | Francesco Landi Pietra † | Archbishop of Benevento, Italy | Cardinal, Archbishop Emeritus |
| 33.6 | Confirmed | Jean-François-Joseph de Rochechouard de Faudoas † | Cardinal, Bishop of Laon, France |
| 56.5 | Appointed | Bernardino Ignazio Rovèro, O.F.M. Cap. † | Archbishop (Personal Title) of Novara, Italy | Bishop |
| 60.7 | Appointed | Gabriel de Torres y Navarra † | Titular Archbishop of Melitene |
| 54.6 | Appointed | Antonio Zavarroni † | Bishop of Tricarico, Italy |
| 19 Sep | 14.2 | Appointed | Luis Antonio Jaime de Borbón y Farnesio † | Administrator of Sevilla {Seville}, Spain | |
| 23.4 | Ordained Priest | Francesco Mercati † | Priest | Bishop of Cefalonia e Zante, Greece |
| 23 Sep | 24.1 | Ordained Priest | Francesco Agostino della Chiesa † | Priest | Bishop of Vigevano, Italy |
| 24.7 | Ordained Priest | Gennaro Giordano † | Priest | Bishop of Acerra, Italy |
| 24.3 | Ordained Priest | Domenico Russo † | Priest | Bishop of Monopoli, Italy |
| 24 Sep | 24.1 | Ordained Priest | Giovanni Pietro Riboli † | Priest | Bishop of Hvar (Lesina), Croatia |
| 54.6 | Ordained Bishop | Antonio Zavarroni † | Bishop of Tricarico, Italy |
| 25 Sep | 63.3 | Died | Marcello Passari † | Cardinal, Cardinal-Priest of Santa Maria in Ara Coeli |
| 27 Sep | 67.7 | Died | Jan-Baptist de Smet † | Bishop of Gent {Ghent, Gand}, Belgium |
| 29 Sep | 71.0 | Died | Nicola Maria Tedeschi, O.S.B. † | Bishop Emeritus of Lipari, Italy |
| Oct | 61.3 | Died | Giovanni Leonardo Sanna † | Bishop of Bosa, Italy |
| 2 Oct | | Born | Franz Karl Maria Cajetan von Firmian † | Salzburg | Auxiliary Bishop of Passau, Germany |
| 6 Oct | 31.8 | Appointed | Arnaud-François Lefèbvre, M.E.P. † | Vicar Apostolic of Cochin {Cocincina}, Viet Nam |
| 31.8 | Appointed | Arnaud-François Lefèbvre, M.E.P. † | Titular Bishop of Nea Aule | Vicar Apostolic of Cochin {Cocincina}, Viet Nam |
| 7 Oct | | Born | Innocenzo Maria Lirutti, O.S.B. † | Villafreda | Bishop of Verona, Italy |
| 28.4 | Appointed | Josef Maria von Thun und Hohenstein † | Bishop of Gurk, Austria | Bishop of Passau, Germany |
| 8 Oct | 60.8 | Ordained Bishop | Louis-Jacques-François de Vocance † | Bishop of Senez, France |
| 15 Oct | 38.8 | Ordained Bishop | Bertrand-Jean-Baptiste-René du Guesclin † | Bishop of Cahors, France |
| 33.7 | Ordained Bishop | Jean-François-Joseph de Rochechouard de Faudoas † | Cardinal, Bishop of Laon, France |
| 16 Oct | | Born | Jan Kanty Podhorodeński † | Wlodzimierz Wolynski | Auxiliary Bishop of Lutsk and Zhytomyr (Łuck and Zytomierz), Ukraine |
| 24 Oct | | Born | Joaquín González de Terán, O.P. † | Cádiz | Bishop Emeritus of Albarracin, Spain |
| 31 Oct | 38.0 | Selected | Jacques-Marie de Caritat de Condorcet † | Bishop of Gap, France | Bishop of Lisieux, France |
| 2 Nov | | Born | Pierre-Joseph-Georges Pigneau de Béhaine, M.E.P. † | Origny-en-Thiérache, France | Vicar Apostolic of Cochin {Cocincina}, Viet Nam |
| 5 Nov | 46.8 | Ordained Bishop | Mateo de Zamora y Penagos, O.F.M. † | Bishop of Yucatán (Mérida), México |
| 22.2 | Ordained Priest | Gian Leonardo Maria Di Fusco, O.P. † | Priest of Order of Friars Preachers | Bishop of Acerra, Italy |
| 51.5 | Ordained Bishop | Diego Martínez Garrido, O.S. † | Bishop of Cartagena, Colombia | Bishop Emeritus |
| 43.8 | Ordained Bishop | José Morales Blanco † | Bishop of Palencia, Spain |
| 10 Nov | | Born | Niccolò Laparelli † | Cortona | Bishop of Cortona, Italy |
| 12 Nov | 62.3 | Ordained Bishop | Giovanni Francisco Ingenuo † | Titular Bishop of Dibon (Dibona) |
| 59.3 | Ordained Bishop | Francesco Landi Pietra † | Archbishop of Benevento, Italy | Cardinal, Archbishop Emeritus |
| 26.6 | Ordained Priest | Gabriel Palkovich, O.S.B.M. † | Priest of Basilian Order of Saint Josaphat (Order of St. Basil the Great) | Titular Bishop of Druzipara |
| 17 Nov | 38.3 | Confirmed | Christophe de Beaumont du Repaire † | Bishop of Bayonne, France | Archbishop of Paris, France |
| 19 Nov | 23.0 | Ordained Priest | Giovanni Carsana † | Priest | Archbishop of Zadar (Zara), Croatia |
| Installed | Inácio de Santa Teresa, O.S.A. † | Bishop of Faro {Algarve}, Portugal |
| 20 Nov | 80.1 | Died | Melchior de Polignac † | Cardinal, Archbishop of Auch, France |
| 26 Nov | 52.1 | Resigned | Carlo Maria Lomellino † | Bishop of Ajaccio, France | Bishop Emeritus |
| 27 Nov | 64.3 | Appointed | Matthaeus Bertolini † | Archbishop of Sassari, Italy |
| 46.8 | Appointed | Carolus Franciscus Casanova † | Bishop of Alghero, Italy | Archbishop of Sassari, Italy |
| 55.3 | Appointed | Bernardino Centurione † | Bishop of Ajaccio, France |
| 41.6 | Appointed | Giacomo Filippo Consoli † | Titular Bishop of Germanicopolis | Bishop of Amelia, Italy |
| 50.9 | Appointed | Mario Antonio Maffei † | Bishop of Foligno, Italy |
| 28 Nov | 78.2 | Died | Louis-François Du Plessis de Mornay, O.F.M. Cap. † | Bishop Emeritus of Québec, Canada |
| 30 Nov | 55.3 | Ordained Bishop | Bernardino Centurione † | Bishop of Ajaccio, France |
| 41.6 | Ordained Bishop | Giacomo Filippo Consoli † | Titular Bishop of Germanicopolis | Bishop of Amelia, Italy |
| Dec | | Born | Francisco Javier Aldazábal y Lodeña † | Andahuaylas | Bishop of Santa Cruz de la Sierra, Bolivia |
| 3 Dec | 82.2 | Died | Antoine-Joseph-Amable Feydeau, O. Carm. † | Bishop of Digne, France |
| 30.4 | Ordained Priest | Filippo Paini † | Priest | Bishop of Valva, Italy |
| Born | Francisco Javier Utrera † | Tartanedo | Bishop of Cádiz, Spain |
| 6 Dec | | Born | Nicolás Videla del Pino † | Córdoba | Bishop of Salta, Argentina |
| 7 Dec | 56.6 | Died | Carlo Ambrogio Mezzabarba † | Bishop of Lodi, Italy |
| 8 Dec | 43.3 | Installed | Adam Stanisław Grabowski † | Bishop of Warmia (Ermland), Poland |
| 11 Dec | 75.9 | Died | Tomás José Ruiz Montes † | Bishop of Cartagena (en España) |
| 16 Dec | 74.3 | Died | VIncenzo Maria Mazzoleni, O.P. † | Bishop of Poreč (Parenzo), Croatia |
| 20 Dec | 38.1 | Confirmed | Jacques-Marie de Caritat de Condorcet † | Bishop of Gap, France | Bishop of Lisieux, France |
| 60.7 | Appointed | Camillo Cibo (Cybo) † | Cardinal, Cardinal-Priest of Santa Maria degli Angeli |
| 59.9 | Appointed | Valentinus Alexander Czapski, O. Cist. † | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 43.6 | Confirmed | Jacques-Bonne Gigault de Bellefonds † | Archbishop of Arles, France | Archbishop of Paris, France |
| 29.0 | Confirmed | Henri-Gaston de Lévis-Leran † | Bishop of Pamiers, France |
| 32.4 | Appointed | Georges-Gaspard-Alexis de Plan des Augiers † | Bishop of Die, France |
| 51.9 | Appointed | Franz Joachim Schmid von Altenstadt † | Auxiliary Bishop of Regensburg, Germany |
| 51.9 | Appointed | Franz Joachim Schmid von Altenstadt † | Titular Bishop of Lagania | Auxiliary Bishop of Regensburg, Germany |
| 23 Dec | 24.1 | Ordained Priest | François-Armand-Auguste de Rohan-Soubise-Ventadour † | Priest of Strasbourg, France | Cardinal, Bishop |
| 24 Dec | 38.4 | Ordained Bishop | Christophe de Beaumont du Repaire † | Bishop of Bayonne, France | Archbishop of Paris, France |