| Date | Age | Event | Bishop | Title | Current Title | 
| Jul | 52.5 | Died | Ercole Michele d’Aragona † | Bishop of Aversa, Italy | 
| 3 Jul | 59.4 | Ordained Bishop | Ascanio Argelati † | Bishop of Città della Pieve, Italy | 
| 39.4 | Ordained Bishop | Giuseppe Maria Ruffo † | Bishop of Lecce, Italy | Archbishop of Capua, Italy | 
| 44.4 | Ordained Bishop | Scipione Sersale † | Bishop of Sora, Italy | Bishop of Lecce, Italy | 
| 5 Jul |  | Born | Luigi Amici † |  | Archbishop of Camerino, Italy | 
| 6 Jul | 55.6 | Resigned | Giacomo Oddi † | Apostolic Nuncio to Germany | Cardinal, Bishop of Viterbo e Tuscania, Italy | 
| 10 Jul | 51.6 | Ordained Bishop | Nicolas Navarre † | Titular Bishop of Cydonia (Agia, Canea) | Auxiliary Bishop of Lyon, France | 
| 63.6 | Ordained Bishop | José Cubero Ramírez de Arellano, O. de M. † | Bishop of Chiapas (Ciudad Real de Chiapas), México | 
| 16 Jul |  | Born | Jan Benisławski † |  | Coadjutor Archbishop of Mohilev, Belarus | 
 | Born | Pál Szegedy, S.J. † |  | Priest of Society of Jesus | 
| 17 Jul | 22.5 | Ordained Priest | Johann Anton von Wolframsdorf † | Priest of Regensburg, Germany | Auxiliary Bishop | 
| 23 Jul |  | Born | Ferdinando Crispo Doria † |  | Bishop of Castellammare di Stabia, Italy | 
| 25 Jul | 72.3 | Died | José Barnuevo, O.S.B. † | Bishop of Osma, Spain | 
| 26 Jul |  | Born | José do Menino Jesus (Deus), O.C.D. † |  | Bishop of Viseu, Portugal | 
| 27 Jul | 42.1 | Appointed | Pedro Felipe de Azúa e Iturgoyen † | Auxiliary Bishop of Concepción, Chile | Archbishop Emeritus of Santafé en Nueva Granada, Colombia | 
| 42.1 | Appointed | Pedro Felipe de Azúa e Iturgoyen † | Titular Bishop of Botrys | Archbishop Emeritus of Santafé en Nueva Granada, Colombia | 
| 51.3 | Died | Paolo Collia, O.M. † | Bishop of Nicotera, Italy | 
| 51.6 | Confirmed | Lucas Cuartas Oviedo † | Bishop of Huesca, Spain | 
| 56.5 | Confirmed | Martín de Elizacoechea † | Bishop of Durango, México | Bishop of Michoacán, México | 
| 57.4 | Appointed | Domenico de Marzano † | Bishop of Bova, Italy | 
| 33.3 | Confirmed | Jean-François de Chatillard de Montillet-Grenaud † | Bishop of Oloron (Oloron-Sainte-Marie), France | Archbishop of Auch, France | 
| 6 Aug | 23.0 | Ordained Deacon | Andrea Ratti † | Deacon | Titular Archbishop of Hadrianopolis in Haemimonto | 
 | Born | Kajetan Maria (Ignaz Judas Thaddäus) Reisach, C.R. † |  | Titular Bishop of Dibon (Dibona) | 
| 8 Aug | 36.8 | Selected | Emmanuel-Henri-Timoléon de Cossé-Brissac † | Bishop of Condom, France | 
| 9 Aug |  | Born | Lorenzo de Dominicis † |  | Bishop of Civita Castellana, Orte e Gallese, Italy | 
| 10 Aug | 23.0 | Ordained Priest | Andrea Ratti † | Priest | Titular Archbishop of Hadrianopolis in Haemimonto | 
| 12 Aug |  | Born | [Guillaume Tollet] † |  | Bishop Emeritus of [Nièvre (Constitutional), France] | 
| 13 Aug |  | Born | Seignelay (Charles) Colbert (Cuthbert) de Castle Hill † |  | Bishop of Rodez, France | 
| 19 Aug |  | Born | Ferenc Károly Palma † |  | Auxiliary Bishop of Kalocsa, Hungary | 
| 21 Aug | 47.6 | Ordained Bishop | Manuel de Ocio y Campo † | Bishop of Cebu, Philippines | 
| 23 Aug |  | Born | Bartolomé Fabro Palacios † |  | Bishop of Ayacucho o Huamanga (Guamanga), Peru | 
| 26 Aug |  | Born | Antonio Ramón de Espinosa y Lorenzo, O.P. † |  | Bishop of Mérida, Venezuela | 
| 27 Aug |  | Born | Johann Maximilian von Haunold † |  | Auxiliary Bishop of Mainz, Germany | 
| 28 Aug | 64.8 | Died | Ludovico Alvares de Figueiredo † | Archbishop of São Salvador da Bahia, Brazil | 
| 35.2 | Ordained Bishop | Charles-Joseph Quiqueran de Beaujeu † | Titular Bishop of Elusa | 
| 30 Aug |  | Born | János Szily † |  | Bishop of Szombathely, Hungary | 
| Sep |  | Born | Laurent-Michel Eon de Cély † |  | Bishop Emeritus of Apt, France | 
| 74.6 | Died | Angelo Galzerin, O.F.M. Conv. † | Bishop of Ampurias e Civita, Italy | 
| 1 Sep | 68.8 | Died | Luc Antonio Colomboni Accoramboni † | Bishop of Montalto (delle Marche), Italy | 
| 3 Sep |  | Born | Jérôme-Marie Champion de Cicé † |  | Archbishop of Aix, France | 
 | Born | Ranieri Mancini † |  | Bishop Emeritus of Fiesole, Italy | 
| 9 Sep | 59.0 | Appointed | Pedro Ayala, O.P. † | Apostolic Nuncio to Spain | Bishop Emeritus of Ávila, Spain | 
 | Born | John Geddes † |  | Coadjutor Vicar Apostolic Emeritus of Lowland District, Scotland, Great Britain | 
| 11 Sep | 49.8 | Ordained Bishop | Antoine-Pierre de Grammont † | Archbishop of Besançon, France | 
| 53.1 | Ordained Bishop | Johann Wilhelm von Twickel † | Titular Bishop of Arethusa | Auxiliary Bishop of Hildesheim, Germany | 
| 12 Sep |  | Born | José Cuero y Caicedo † |  | Bishop of Quito, Ecuador | 
| 57.6 | Died | Giovanni Battista Rondoni † | Bishop of Assisi, Italy | 
| 14 Sep | 45.2 | Died | Giovanni Battista Tarugi † | Bishop of Chiusi, Italy | 
| 17 Sep |  | Born | Francis Moylan † |  | Bishop of Cork, Ireland | 
 | Appointed | Felix Samuel Rodotà † | Titular Bishop of Beroë | 
| 19 Sep | 51.7 | Appointed | Alexander Smith † | Coadjutor Vicar Apostolic of Lowland District, Scotland, Great Britain | Vicar Apostolic | 
| 51.7 | Appointed | Alexander Smith † | Titular Bishop of Mosynopolis | Vicar Apostolic of Lowland District, Scotland, Great Britain | 
| 20 Sep | 94.7 | Died | João de Casal, O.S.A. † | Bishop of Macau, China | 
 | Born | [Nicolas Francin] † |  | Bishop of [Moselle (Constitutional), France] | 
| 51.6 | Succeeded | Eugénio Trigueiros, O.S.A. † | Bishop of Macau, China | Archbishop of Goa, India | 
| 21 Sep | 24.2 | Ordained Priest | François-Louis Pourroy de L’Auberivière † | Priest | Bishop of Québec, Canada | 
| 23 Sep | 74.7 | Resigned | Giuseppe Olgiati † | Bishop of Como, Italy | Bishop Emeritus | 
| 24 Sep |  | Selected | Peter Archdeacon, O.F.M. † | Bishop of Killala, Ireland | 
| 25.0 | Ordained Priest | Giovanni Battista Coppola † | Priest | Bishop of Cassano all’Jonio, Italy | 
| 22.9 | Ordained Priest | Giuseppe Maria de Leone † | Priest | Bishop of Penne e Atri, Italy | 
| 23.7 | Ordained Priest | Giovanni Battista Mami † | Priest | Bishop of Sarsina, Italy | 
 | Selected | John O’Hart † | Bishop of Achonry, Ireland | 
| 25.9 | Ordained Priest | Konstantin Schütz von Holzhausen, O.S.B. † | Priest of Order of Saint Benedict | Auxiliary Bishop of Fulda, Germany | 
| 24.0 | Ordained Priest | Domenico Andrea Vegni † | Priest | Bishop of Montalcino, Italy | 
| 25.7 | Ordained Priest | Thomas Zarone † | Priest | Bishop of Carinola (Calina), Italy | 
| 25 Sep | 45.9 | Ordained Bishop | Georges-Lazare Berger de Charancy † | Bishop of Saint-Papoul, France | Bishop of Montpellier, France | 
| 17.2 | Solemn Vows | Hyacinthe-Sigismond (Jean-François) Gerdil, B. † | Member of Clerics Regular of St. Paul | Cardinal, Prefect of the Congregation for Propagation of the Faith | 
| 33.6 | Selected | Pedro Pardo de Figueroa, O.M. † | Bishop of Santiago de Guatemala | Archbishop of Guatemala | 
 | Born | [Dominique-Paul Villa] † |  | Bishop Emeritus of [Pyrénées-Orientales (Constitutional), France] | 
| 26 Sep | 45.4 | Appointed | Cristóbal Almeida † | Titular Archbishop of Perge | 
| 56.7 | Appointed | Marc’Antonio Amalfitani † | Bishop of Ortona a Mare e Campli, Italy | 
| 47.1 | Appointed | Cayetano Gil Taboada † | Bishop of Lugo, Spain | Archbishop of Santiago de Compostela, Spain | 
| 49.9 | Appointed | Domenico Rossi (Rosso e Colonna), O.S.B. † | Bishop of Melfi e Rapolla, Italy | Archbishop of Palermo, Italy | 
| 66.6 | Appointed | Giovanni Romano † | Bishop of Catanzaro, Italy | 
| 42.9 | Appointed | Pietro Bonaventura Savini † | Bishop of Montalto (delle Marche), Italy | Bishop Emeritus | 
| 41.1 | Appointed | Alberico Simonetta † | Bishop of Como, Italy | 
| 31.8 | Appointed | Filippo Niccolò Spinelli † | Bishop of Aversa, Italy | 
| 30 Sep |  | Confirmed | Peter Archdeacon, O.F.M. † | Bishop of Killala, Ireland | 
 | Confirmed | John O’Hart † | Bishop of Achonry, Ireland | 
| Oct | 51.8 | Ordained Bishop | Lucas Cuartas Oviedo † | Bishop of Huesca, Spain | 
| 1 Oct |  | Born | [Jean-Joseph Rigouard] † |  | Bishop of [Var (Constitutional), France] | 
| 2 Oct | 45.4 | Ordained Bishop | Cristóbal Almeida † | Titular Archbishop of Perge | 
| 56.7 | Ordained Bishop | Marc’Antonio Amalfitani † | Bishop of Ortona a Mare e Campli, Italy | 
| 33.5 | Ordained Bishop | Jean-François de Chatillard de Montillet-Grenaud † | Bishop of Oloron (Oloron-Sainte-Marie), France | Archbishop of Auch, France | 
| 42.9 | Ordained Bishop | Pietro Bonaventura Savini † | Bishop of Montalto (delle Marche), Italy | Bishop Emeritus | 
| 31.8 | Ordained Bishop | Filippo Niccolò Spinelli † | Bishop of Aversa, Italy | 
| 19.5 | Professed | Nicolò Antonio Spínola, O.M. † | Member of Order of the Minims | Titular Archbishop of Naupactus | 
| 3 Oct | 39.0 | Appointed | Hilario a Jesu Costa, O.A.D. † | Coadjutor Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viet Nam | Vicar Apostolic | 
| 39.0 | Appointed | Hilario a Jesu Costa, O.A.D. † | Titular Bishop of Corycus | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viet Nam | 
 | Appointed | François de Ottaiano, O.F.M. † | Coadjutor Vicar Apostolic of Se-Ciuen (Setchoan, Szechwan, Sichuan), China | 
 | Appointed | François de Ottaiano, O.F.M. † | Titular Bishop of Oëa | Coadjutor Vicar Apostolic of Se-Ciuen (Setchoan, Szechwan, Sichuan), China | 
| 39.7 | Appointed | Valerian Rist, O.F.M. † | Coadjutor Vicar Apostolic of Cochin {Cocincina}, Viet Nam | 
| 39.7 | Appointed | Valerian Rist, O.F.M. † | Titular Bishop of Myndus | Coadjutor Vicar Apostolic of Cochin {Cocincina}, Viet Nam | 
 | Born | Cándido Manuel de Torrijos Riguerra, O.P. † |  | Bishop of Mérida, Venezuela | 
| 4 Oct |  | Born | [François-Antoine Brendel] † |  | Bishop Emeritus of [Bas-Rhin (Constitutional), France] | 
| 6 Oct |  | Born | Marco Antonio Gregorina † |  | Bishop of Kotor (Cattaro), Montenegro | 
| 7 Oct |  | Born | Jean-Baptiste du Chilleau † |  | Archbishop of Tours, France | 
| 8 Oct | 33.7 | Selected | Jean-Gaspard-Gilbert de Chabannas † | Bishop of Agen, France | 
| 64.7 | Selected | Jean d’Yse (d’Ize) de Saléon † | Bishop of Rodez, France | Archbishop of Vienne, France | 
| 37.4 | Selected | Jacques-Bonne Gigault de Bellefonds † | Bishop of Bayonne, France | Archbishop of Paris, France | 
| 44.7 | Selected | François de Serret de Gaujac † | Bishop of Aire, France | 
| 44.1 | Selected | François-Barthélemi de Salignac de La Mothe-Fénelon † | Bishop of Pamiers, France | 
| 9 Oct | 41.1 | Ordained Bishop | Alberico Simonetta † | Bishop of Como, Italy | 
| 17 Oct | 57.8 | Died | Pietro Abbondio Battiloro † | Bishop of Alife, Italy | 
| 20 Oct | 67.8 | Died | Alessandro Carlo Gaetano Varano † | Bishop of Macerata e Tolentino, Italy | 
| 27 Oct | 51.6 | Selected | José de Llupiá y Roger, O.S.B. † | Bishop of León, Spain | 
| 28 Oct |  | Died | Antonio Ura † | Prelate of Santa Lucia del Mela, Italy | 
| 31 Oct | 54.1 | Died | Innocentius (Leopoldus Ludovicus) Kollonitz, O.C.D. † | Titular Bishop-Elect of Aureliopolis in Asia | 
| 1 Nov |  | Born | Filippo Trigona † |  | Bishop of Siracusa, Italy | 
| 2 Nov |  | Born | Giovanni Andrea Avogadro, S.J. † |  | Bishop Emeritus of Verona, Italy | 
 | Born | Claude-Louis Rousseau † |  | Bishop of Orléans, France | 
| 5 Nov | 51.6 | Selected | Francisco Ignacio Añoa Busto † | Bishop of Pamplona, Spain | Archbishop of Zaragoza, Spain | 
| 10 Nov | 8.2 | Appointed | Luis Antonio Jaime de Borbón y Farnesio † | Administrator of Toledo, Spain |  | 
| 13 Nov |  | Ordained Bishop | Felix Samuel Rodotà † | Titular Bishop of Beroë | 
| 51.8 | Ordained Bishop | Alexander Smith † | Titular Bishop of Mosynopolis | Vicar Apostolic of Lowland District, Scotland, Great Britain | 
| 15 Nov | 78.7 | Appointed | Juan Álvaro Cienfuegos Villazón, S.J. † | Administrator of Pécs, Hungary | Cardinal, Archbishop Emeritus of Monreale, Italy | 
| 20 Nov | 33.9 | Ordained Priest | Niccola Sermattei † | Priest | Bishop of Assisi, Italy | 
 | Born | Lorenzo Maria (Pietro Felice) Varano, O.P. † |  | Bishop of Bisignano, Italy | 
| 26 Nov |  | Born | Nicola Pietro Andrea Zoppetti, O.E.S.A. † |  | Bishop of Fabriano e Matelica, Italy | 
| 1 Dec | 76.0 | Died | Francesco Bataller, O. Carm. † | Bishop of Ugento, Italy | 
| 64.9 | Resigned | Jean d’Yse (d’Ize) de Saléon † | Bishop of Agen, France | Archbishop of Vienne, France | 
| 2 Dec | 40.9 | Appointed | Ermest Amadeus Thomas von Attems † | Auxiliary Bishop of Passau, Germany | Bishop of Ljubljana (Laybach; Laibach), Slovenia | 
| 40.9 | Appointed | Ermest Amadeus Thomas von Attems † | Titular Bishop of Dragobitia (Drago) | Bishop of Ljubljana (Laybach; Laibach), Slovenia | 
| 44.3 | Appointed | Gaetano d’Arco † | Bishop of Strongoli, Italy | Bishop of Nusco, Italy | 
| 57.6 | Appointed | Juan Leandro Gómez de Parada Valdez y Mendoza † | Bishop of Guadalajara, Jalisco, México | 
| 49.8 | Appointed | Egidio Antonio Isabelli † | Bishop of Alife, Italy | 
| 40.7 | Appointed | Francesco De Novellis † | Bishop of Nicotera, Italy | Bishop of Sarno, Italy | 
| 33.8 | Confirmed | Pedro Pardo de Figueroa, O.M. † | Bishop of Santiago de Guatemala | Archbishop of Guatemala | 
| 33.5 | Confirmed | Mihály Karl (Michele Carlo) von Althan † | Archbishop (Personal Title) of Vác, Hungary | Bishop | 
| 4 Dec | 44.3 | Ordained Bishop | Gaetano d’Arco † | Bishop of Strongoli, Italy | Bishop of Nusco, Italy | 
| 47.3 | Ordained Bishop | Cayetano Gil Taboada † | Bishop of Lugo, Spain | Archbishop of Santiago de Compostela, Spain | 
| 40.7 | Ordained Bishop | Francesco De Novellis † | Bishop of Nicotera, Italy | Bishop of Sarno, Italy | 
| 7 Dec | 84.6 | Died | Aleksander Mikołaj Horain † | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania | 
| 11 Dec | 49.8 | Ordained Bishop | Egidio Antonio Isabelli † | Bishop of Alife, Italy | 
| 12 Dec |  | Appointed | Matthieu Delinich, O.F.M. † | Titular Bishop of Bolina | 
| 15 Dec |  | Born | David Pilchowski † |  | Auxiliary Bishop of Vilnius, Lithuania | 
| 16 Dec |  | Born | Giuseppe Graziosi † |  | Auxiliary Bishop of Palestrina, Italy | 
| 17 Dec | 23.6 | Ordained Deacon | Francesco Antonio Deplano † | Deacon | Bishop of Iglesias, Italy | 
| 18 Dec | 40.9 | Ordained Bishop | Stefan Symon (Simon István) Olshavskyi (Olsavszky), O.S.B.M. † | Titular Bishop of Pella | Vicar Apostolic of Mukachevo (Munkács) (Ruthenian), Ukraine | 
| 19 Dec | 51.8 | Confirmed | Francisco Ignacio Añoa Busto † | Bishop of Pamplona, Spain | Archbishop of Zaragoza, Spain | 
| 8.4 | Appointed | Luis Antonio Jaime de Borbón y Farnesio † | Cardinal-Deacon of Santa Maria della Scala |  | 
| 8.4 | Elevated to Cardinal | Luis Antonio Jaime de Borbón y Farnesio † |  | 
| 33.9 | Confirmed | Jean-Gaspard-Gilbert de Chabannas † | Bishop of Agen, France | 
| 37.1 | Confirmed | Emmanuel-Henri-Timoléon de Cossé-Brissac † | Bishop of Condom, France | 
| 44.9 | Appointed | Flaminius Danza † | Bishop of Sant’Agata de’ Goti, Italy | 
| 49.1 | Appointed | Muzio Gaeta (Jr.) † | Archbishop of Bari (-Canosa), Italy | Archbishop of Capua, Italy | 
| 51.8 | Confirmed | José de Llupiá y Roger, O.S.B. † | Bishop of León, Spain | 
| 44.3 | Confirmed | François-Barthélemi de Salignac de La Mothe-Fénelon † | Bishop of Pamiers, France | 
| 50.9 | Appointed | Ignazio Stelluti † | Bishop of Macerata e Tolentino, Italy | 
| 21 Dec | 44.9 | Ordained Bishop | Flaminius Danza † | Bishop of Sant’Agata de’ Goti, Italy | 
| 50.9 | Ordained Bishop | Ignazio Stelluti † | Bishop of Macerata e Tolentino, Italy | 
| 77.1 | Died | Adeodato Summantico, O.E.S.A. † | Bishop of San Severo, Italy | 
| 25 Dec | 71.4 | Died | Francisco Dionisio de Villavicencio, O.S.A. † | Bishop of Nicaragua |