| Date | Age | Event | Bishop | Title | Current Title |
| 4 Jul | 34.6 | Ordained Bishop | Johann Friedrich Adolf von Hörde zu Schönholthausen † | Titular Bishop of Flavias | Vicar Apostolic of Nordic Missions, Germany |
| 55.5 | Ordained Bishop | Jacinto Valledor Fresno † | Bishop of Osma, Spain |
| 11 Jul | | Born | Miguel António Barreto de Meneses † | Barbudo | Bishop Emeritus of Miranda (do Douro), Portugal |
| 16 Jul | | Born | Francesco Saverio De Vivo † | Salerno | Bishop of Nusco, Italy |
| 18 Jul | 54.8 | Died | Francesco Maria Tansj (Tansi) † | Bishop of Teramo, Italy |
| 23 Jul | 62.6 | Died | Johann Werner Schnatz † | Auxiliary Bishop of Bamberg, Germany |
| 25 Jul | | Ordained Bishop | Juan Francisco Antonio de Escandón, C.R. † | Bishop of Concepción, Chile | Archbishop of Lima, Peru |
| 31 Jul | 78.6 | Died | Pietro Cavalcante, C.R. † | Bishop of Pozzuoli, Italy |
| Aug | 57.7 | Died | Gavino di Aquena † | Bishop of Bosa, Italy |
| 60.7 | Died | Giuseppe del Pozzo † | Bishop of Teano, Italy |
| 1 Aug | | Born | Rudolf Joseph von Edling † | Gorizia | Archbishop Emeritus of Gorizia (Görz), Italy |
| 2 Aug | | Died | Pierre Rogier du Crévy † | Bishop of Le Mans, France |
| 5 Aug | 50.8 | Died | Hieronymus Alexander Vicentini † | Titular Archbishop of Thessalonica |
| 10 Aug | 66.9 | Died | Guillaume Dubois † | Cardinal, Archbishop of Cambrai, France |
| 11 Aug | 68.6 | Died | Manuel Francisco Navarrete y Ladrón de Guevara † | Archbishop of Burgos, Spain |
| 13 Aug | | Born | Esteban Lorenzo de Tristán y Esmenota † | Jaén, Spain | Bishop of Guadalajara, Jalisco, México |
| 15 Aug | | Born | François-Gaspard de Jouffroy de Gonssans † | Gonssans | Bishop of Le Mans, France |
| 21.3 | Professed | Wojciech Stanisław Leski, O. Cist. † | Member of Order of Cistercians | Bishop of Chelmno (Culma, Kulm), Poland |
| 17 Aug | 41.6 | Ordained Bishop | Ioan Constantin Giurgiu Patachi (Nemes de Pataky), O.S.B.M. † | Bishop of Făgăraş (Romanian), Romania |
| 30 Aug | 68.3 | Appointed | Juan Bautista Alvarez de Toledo, O.F.M. † | Bishop of Guadalajara, Jalisco, México |
| 58.8 | Appointed | Pietro Galletti † | Bishop of Patti, Italy | Bishop of Catania, Italy |
| 66.1 | Confirmed | Feliks Ignacy Kretkowski † | Bishop of Chelmno (Culma, Kulm), Poland |
| 58.7 | Appointed | Juan de Las Peñas † | Auxiliary Bishop of Cuenca, Spain |
| 58.7 | Appointed | Juan de Las Peñas † | Titular Bishop of Calydon | Auxiliary Bishop of Cuenca, Spain |
| Appointed | Alfonso López Roldán, O.S.Bas. † | Bishop of Ayacucho o Huamanga (Guamanga), Peru |
| 35.7 | Appointed | Alejo Fernando de Rojas y Acevedo † | Bishop of La Paz, Bolivia |
| Appointed | Jean-Baptiste-Antoine de Vaccon † | Bishop of Apt, France |
| Appointed | Crisóstomo Vargas, O. Cist. † | Bishop of Astorga, Spain |
| 31 Aug | 48.5 | Died | Franz Anton Adolph von Wagensperg † | Bishop of Chiemsee, Germany |
| Sep | | Died | Francis Burke † | Archbishop of Tuam, Ireland |
| 5 Sep | 58.9 | Ordained Bishop | Pietro Galletti † | Bishop of Patti, Italy | Bishop of Catania, Italy |
| 18 Sep | 23.7 | Ordained Priest | Mattaeus Caraman † | Priest | Archbishop of Zadar (Zara), Croatia |
| 19 Sep | 52.8 | Selected | José Manuel de Sarricolea y Olea † | Bishop of Córdoba (Tucumán), Argentina | Bishop of Cuzco, Peru |
| 20 Sep | 72.4 | Died | Maximilian Heinrich von Weichs zu Rösberg † | Auxiliary Bishop of Hildesheim, Germany |
| 27 Sep | 40.7 | Appointed | Georgius Casimirus Ancuta † | Auxiliary Bishop of Vilnius, Lithuania |
| 40.7 | Appointed | Georgius Casimirus Ancuta † | Titular Bishop of Antipatris | Auxiliary Bishop of Vilnius, Lithuania |
| 49.3 | Appointed | Francesco Antonio Bussolini, O.S.B. † | Bishop of Penne e Atri, Italy |
| 65.7 | Appointed | Francisco de la Cuesta, O.S.H. † | Archbishop (Personal Title) of Michoacán, México | Bishop |
| 40.7 | Appointed | Samuel Ozga † | Bishop of Kyiv and Chernihiv (Kijów and Czernihow), Ukraine |
| 69.7 | Appointed | Anselmo de la Peña, O.S.B. † | Bishop of Agrigento (Girgenti), Italy |
| 55.5 | Appointed | Giuseppe Maria Positano, O.P. † | Archbishop of Acerenza e Matera, Italy | Archbishop of Salerno, Italy |
| 62.7 | Died | Pierre de Baglion de la Salle de Saillant † | Bishop of Mende, France |
| 29 Sep | 63.6 | Ordained Bishop | Francesco de Vico † | Titular Bishop of Elusa |
| 4 Oct | 37.4 | Appointed | Karl Joseph von Kuenburg † | Bishop of Chiemsee, Germany |
| 10 Oct | 49.3 | Ordained Bishop | Francesco Antonio Bussolini, O.S.B. † | Bishop of Penne e Atri, Italy |
| Ordained Bishop | Crisóstomo Vargas, O. Cist. † | Bishop of Astorga, Spain |
| 17 Oct | 40.8 | Selected | Jean-Mathias de Barthélemy de Gramont de Lanta † | Bishop of Perpignan-Elne, France |
| 59.4 | Died | François Blouet de Camilly † | Archbishop of Tours, France |
| 38.8 | Selected | Joseph-François Bocaud (Boucaud) † | Bishop of Alet, France |
| 38.4 | Selected | Gabriel-Florent de Choiseul-Beaupré † | Bishop of Mende, France |
| 36.1 | Selected | Charles-Louis de Froullay de Tessé † | Bishop of Le Mans, France |
| 53.8 | Selected | Louis de La Vergne-Montenard de Tressan † | Archbishop of Rouen, France |
| 54.8 | Selected | Michel-Celse-Roger de Rabutin de Bussy † | Bishop of Luçon, France |
| 25.5 | Selected | Charles de Saint-Albin † | Archbishop of Cambrai, France |
| 18 Oct | 44.2 | Selected | Lucas Sartorius Delmestri von Schönberg † | Bishop of Trieste, Italy |
| 26 Oct | 39.8 | Selected | Louis-Jacques Chapt de Rastignac † | Archbishop of Tours, France |
| 50.4 | Selected | Charles du Plessis d’Argentré † | Bishop of Tulle, France |
| 53.8 | Selected | Honoré-François Grimaldi de Monaco † | Archbishop of Besançon, France | Archbishop Emeritus |
| 36.8 | Selected | Charles-Louis-Auguste Le Tonnelier de Breteuil † | Bishop of Rennes, France |
| 27.8 | Selected | Jean-Charles de Ségur † | Bishop of Saint-Papoul, France | Bishop Emeritus |
| 53.1 | Selected | Christophe-Louis Turpin de Crissé de Sanzay † | Bishop of Nantes, France |
| 28 Oct | 70.8 | Died | François de Carbonnel de Canisy † | Bishop Emeritus of Limoges, France |
| 25.0 | Ordained Priest | Mikołaj Gerard Wyżycki † | Priest | Archbishop of Lviv, Ukraine |
| 30 Oct | 65.9 | Died | Johannes Werner von Veyder † | Auxiliary Bishop of Köln {Cologne}, Germany |
| 31 Oct | 66.3 | Ordained Bishop | Feliks Ignacy Kretkowski † | Bishop of Chelmno (Culma, Kulm), Poland |
| 1 Nov | 24.4 | Ordained Priest | Georgius Wolfgangus Chiolich † | Priest | Bishop of Senj (-Modruš), Croatia |
| 2 Nov | 64.8 | Died | Joseph-Gaspard de Montmorin de Saint-Hérem de La Chassaigne † | Bishop of Aire, France |
| 7 Nov | 32.3 | Ordained Bishop | Gilbert-Gaspard de Montmorin de Saint-Hérem de La Chassaigne † | Titular Bishop of Sidon | Bishop of Langres, France |
| 17 Nov | 58.4 | Died | François-Gabriel Guisain, M.E.P. † | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viet Nam |
| Born | Karol Salbeck † | Galati, Romania | Bishop of Spiš, Slovakia |
| 19 Nov | 20.2 | Selected | Johann Theodor von Bayern † | Coadjutor Bishop of Freising, Germany | Cardinal, Bishop of Regensburg, Germany |
| 20 Nov | 64.0 | Died | Joseph-François Gualtieri † | Bishop of Vaison, France |
| 21 Nov | 53.9 | Ordained Priest | Zozuno Valignari † | Priest | Titular Archbishop of Thessalonica |
| 22 Nov | 44.6 | Appointed | Vincent Antoine Alamanni Nasi † | Titular Archbishop of Seleucia in Isauria |
| 42.8 | Appointed | Gaetano Costa, O.F.M. † | Bishop of Crotone (Cotrone), Italy |
| 43.6 | Appointed | Nicolas-Joseph de Paris † | Titular Bishop of Europus | Bishop of Orléans, France |
| 43.6 | Confirmed | Nicolas-Joseph de Paris † | Coadjutor Bishop of Orléans, France | Bishop |
| 59.8 | Confirmed | Teodor Andrzej Potocki † | Archbishop of Gniezno, Poland |
| 54.9 | Appointed | Alonso del Pozo y Silva † | Bishop of Santiago de Chile | Archbishop Emeritus of La Plata o Charcas, Bolivia |
| 43.6 | Appointed | Angelo Maria Quirini (Querini), O.S.B. † | Archbishop of Corfù, Greece | Cardinal, Bishop of Brescia, Italy |
| 53.0 | Confirmed | José Manuel de Sarricolea y Olea † | Bishop of Córdoba (Tucumán), Argentina | Bishop of Cuzco, Peru |
| 61.0 | Appointed | Augusto Antonio Zacco † | Archbishop (Personal Title) of Treviso, Italy | Bishop |
| 28.0 | Appointed | Andrzej Stanisław Załuski † | Bishop of Płock, Poland | Bishop of Kraków, Poland |
| 23 Nov | 63.7 | Died | Paolo Valaresso † | Bishop of Concordia (Sagittaria), Italy |
| 24 Nov | 33.0 | Selected | Etienne-Joseph de La Fare † | Bishop of Laon, France |
| 25 Nov | | Born | Jacobus Antonius Riccardini, O.F.M. Conv. † | Monte San Pietrangeli | Bishop Emeritus of Nicopoli, Bulgaria |
| 27 Nov | 80.9 | Died | Eftimios Saifi † | Archbishop of Tyr (Melkite Greek), Lebanon |
| 28 Nov | 25.7 | Ordained Deacon | István Pucz † | Deacon | Bishop of Beograd (-Smederevo), Serbia |
| 29 Nov | | Born | Berndard-Emmanuel (François-Pierre) de Lenzbourg, O. Cist. † | Fribourg | Bishop of Lausanne, Switzerland |
| 40.7 | Selected | Louis-François-Renaud de Villeneuve † | Bishop of Viviers (Aps), France | Bishop of Montpellier, France |
| 30 Nov | 44.6 | Ordained Bishop | Vincent Antoine Alamanni Nasi † | Titular Archbishop of Seleucia in Isauria |
| 42.8 | Ordained Bishop | Gaetano Costa, O.F.M. † | Bishop of Crotone (Cotrone), Italy |
| 65.9 | Ordained Bishop | Charles d’Espinoza, O.F.M. Cap. † | Titular Bishop of Tricale | Bishop of Antwerpen {Antwerp, Anvers}, Belgium |
| 51.9 | Ordained Bishop | Sebastián Foronda, O.S.A. † | Titular Bishop of Calydon | Apostolic Administrator of Cebu, Philippines |
| 25.7 | Ordained Priest | István Pucz † | Priest | Bishop of Beograd (-Smederevo), Serbia |
| 43.7 | Ordained Bishop | Angelo Maria Quirini (Querini), O.S.B. † | Archbishop of Corfù, Greece | Cardinal, Bishop of Brescia, Italy |
| 5 Dec | 23.0 | Ordained Priest | Francesco Franco † | Priest | Bishop of Nicotera, Italy |
| 11 Dec | 23.3 | Succeeded | Clemens August Maria von Bayern † | Archbishop of Köln {Cologne}, Germany |
| 52.0 | Died | Joseph Clemens von Bayern von Wittelsbach † | Archbishop of Köln {Cologne}, Germany |
| 14 Dec | 59.1 | Died | Carlo Francesco Giocoli † | Bishop of Capaccio, Italy |
| 15 Dec | | Selected | Bernard (Michael) O’Gara † | Archbishop of Tuam, Ireland |
| 18 Dec | 24.1 | Ordained Priest | Michele Casati, C.R. † | Priest of Congregation of Clerics Regular | Bishop of Mondovi, Italy |
| 23.1 | Ordained Priest | Daniel-Joseph de Cosnac † | Priest | Bishop of Die, France |
| 23.2 | Ordained Priest | Giacinto Maria Giannucci † | Priest | Bishop of Isernia, Italy |
| 8.3 | Ordained Priest | Erasmo Mastrilli, O.S.B. † | Priest of Order of Saint Benedict | Bishop of Isernia, Italy |
| 82.0 | Installed | Diego Morcillo Rubio de Suñón de Robledo, O.SS.T. † | Archbishop of Lima, Peru |
| 19 Dec | 17.3 | Professed | Francesco Maria Banditi, C.R. † | Member of Congregation of Clerics Regular | Cardinal, Archbishop of Benevento, Italy |
| 20 Dec | 58.0 | Appointed | Marcus Andriaski † | Archbishop of Sardica (Sredek, Sofia), Bulgaria |
| Confirmed | Antoine-François de Bliterswyck de Montcley † | Bishop of Autun, France | Archbishop of Besançon, France |
| 55.1 | Appointed | Nicolás Carlos Gómez de Cervantes y Velázquez de la Cadena † | Bishop of Guatemala (Santiago de Guatemala), Guatemala | Bishop of Guadalajara, Jalisco, México |
| 60.1 | Appointed | Bernardino Guinigi † | Bishop of Lucca, Italy | Archbishop of Lucca, Italy |
| 55.4 | Appointed | Michael de La Mars † | Auxiliary Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| 55.4 | Appointed | Michael de La Mars † | Titular Bishop of Tricomia | Auxiliary Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| 51.1 | Appointed | Ferdinand Oesterhoff, O. Cist. † | Auxiliary Bishop of Münster, Germany | Auxiliary Bishop Emeritus |
| 51.1 | Appointed | Ferdinand Oesterhoff, O. Cist. † | Titular Bishop of Agathonice | Auxiliary Bishop Emeritus of Münster, Germany |
| 25.7 | Confirmed | Charles de Saint-Albin † | Archbishop of Cambrai, France |
| 21 Dec | 51.0 | Ordained Bishop | Benito Crespo y Monroy, O.S. † | Bishop of Durango, México | Bishop of Tlaxcala, México |
| 23 Dec | | Confirmed | Bernard (Michael) O’Gara † | Archbishop of Tuam, Ireland |
| 25 Dec | | Born | Luis Tomás Esteban de Piña y Mazo, O.S.B. † | Astudillo, Spain | Bishop of Yucatán (Mérida), México |