| Date | Age | Event | Bishop | Title | Current Title |
| Jul | 54.5 | Resigned | Caietanus de’ Cavalieri † | Apostolic Nuncio to Germany | Apostolic Nuncio to Portugal |
| 2 Jul | 63.6 | Died | Felicjan Konstanty Szaniawski † | Bishop of Kraków, Poland |
| 4 Jul | | Born | Klemens August Maria von Merle † | | Auxiliary Bishop of Köln {Cologne}, Germany |
| 6 Jul | 50.5 | Ordained Bishop | José Antonio Gutiérrez y Ceballos † | Bishop of Córdoba (Tucumán), Argentina | Archbishop of Lima, Peru |
| 9 Jul | 74.2 | Died | Donato Ansani † | Bishop of Marsico Nuovo, Italy |
| 10 Jul | 61.6 | Died | Gabriel Germanos Farhat, O.L.M. † | Bishop of Alep [Beroea, Halab] (Maronite), Syria |
| 12 Jul | | Born | Nikolaus Kondé de Póka-Telek † | | Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania |
| 13 Jul | 24.2 | Ordained Priest | Francesco Pantuliani † | Priest | Bishop of Policastro, Italy |
| 14 Jul | 33.0 | Selected | Philipp Ludwig von Sinzendorf † | Cardinal, Bishop of Wrocław (Breslau), Poland |
| 18 Jul | | Born | Francesco Vincenzo Lajezza † | | Bishop of Marsi, Italy |
| 21 Jul | 36.3 | Appointed | Federico Alamanni † | Bishop of Pistoia e Prato, Italy |
| 40.3 | Appointed | Giovanni Andrea Balbi † | Bishop of Pula (Pola), Croatia |
| 43.4 | Appointed | Eustachius Entreri, O.M. † | Auxiliary Bishop of Sabina, Italy | Bishop of Nicotera, Italy |
| 43.4 | Appointed | Eustachius Entreri, O.M. † | Titular Bishop of Samaria | Bishop of Nicotera, Italy |
| 44.5 | Confirmed | Louis-Guy de Guérapin de Vauréal † | Bishop of Rennes, France | Bishop Emeritus |
| 35.2 | Appointed | Gaspar Negri † | Bishop of Novigrad (Cittanova), Croatia | Bishop of Poreč (Parenzo), Croatia |
| 51.1 | Appointed | Manuel Isidro Orozco Manrique de Lara † | Bishop of Jaén, Spain | Archbishop of Santiago de Compostela, Spain |
| 41.6 | Appointed | Domenico Maria (Michelangelo) Salvini, O.P. † | Archbishop of Nachitschewan (Naxivan, Nakhtchevan, Nakhchivan), Armenia |
| 47.7 | Appointed | Józef Michał Trzciński † | Auxiliary Bishop of Gniezno, Poland |
| 47.7 | Appointed | Józef Michał Trzciński † | Titular Bishop of Iuliopolis | Auxiliary Bishop of Gniezno, Poland |
| 25 Jul | 36.3 | Ordained Bishop | Federico Alamanni † | Bishop of Pistoia e Prato, Italy |
| 43.5 | Ordained Bishop | Eustachius Entreri, O.M. † | Titular Bishop of Samaria | Bishop of Nicotera, Italy |
| Born | Johann Karl von Hohenzollern-Hechingen † | | Bishop of Warmia (Ermland), Poland |
| 35.2 | Ordained Bishop | Gaspar Negri † | Bishop of Novigrad (Cittanova), Croatia | Bishop of Poreč (Parenzo), Croatia |
| 27 Jul | 41.9 | Ordained Bishop | Henri-Constance de Lort de Sérignan de Valras † | Bishop of Mâcon, France |
| Born | Francesco Lorenzo Massajoli † | | Bishop of Nocera Umbra, Italy |
| Aug | 72.7 | Died | Giovanni Antonio Chiaiese † | Bishop of Mottola (Motula), Italy |
| 81.0 | Died | Giambattista Isnardi de Castello † | Bishop of Mondovi, Italy |
| 3 Aug | 51.6 | Died | Filippo de Amato † | Bishop of Umbriatico (Umbriaticum), Italy |
| 4 Aug | | Born | Dominicus Castells † | | Auxiliary Bishop-Elect of Valencia, Spain |
| 5 Aug | 66.7 | Died | Miguel Esteban Pérez Estremera, O.S. † | Titular Bishop of Danaba |
| Born | Porifiriusz Skarbek-Ważyński, O.S.B.M. † | | Bishop of Chełm and Bełz (Ukrainian), Poland |
| 7 Aug | | Born | Johann Andreas Seelmann † | | Auxiliary Bishop of Speyer, Germany |
| 10 Aug | 22.9 | Ordained Priest | Vito Antonio Mastandrea † | Priest | Bishop of Vico Equense, Italy |
| 11 Aug | 59.6 | Confirmed | Gaspard de La Valette de Thomas † | Bishop of Autun, France | Bishop Emeritus |
| 43.8 | Appointed | Filippo Maria di San Agostino (Camillo Apollonio) Malachisi, O.C.D. † | Bishop of Ispahan, Iran |
| 50.1 | Confirmed | Franz Georg von Schönborn † | Bishop of Worms, Germany | Archbishop of Trier, Germany |
| 13 Aug | 73.6 | Died | Jan Joachim Tarło † | Bishop of Poznań, Poland |
| 34.7 | Selected | Domenico di Val Guarnera, C.O. † | Bishop of Cefalù, Italy |
| 14 Aug | 54.6 | Appointed | Francisco Pérez Prado y Cuesta † | Bishop of Teruel, Spain |
| 16 Aug | | Died | Francis Burke, O.F.M. Obs. † | Bishop of Kilmacduagh, Ireland |
| 20 Aug | 52.7 | Appointed | Giacomo Oddi † | Apostolic Nuncio to Germany | Cardinal, Bishop of Viterbo e Tuscania, Italy |
| 24 Aug | 40.9 | Ordained Bishop | Miguel Vicente Cebrián y Agustín † | Bishop of Coria, Spain | Bishop of Córdoba, Spain |
| 44.6 | Ordained Bishop | Louis-Guy de Guérapin de Vauréal † | Bishop of Rennes, France | Bishop Emeritus |
| 41.7 | Ordained Bishop | Domenico Maria (Michelangelo) Salvini, O.P. † | Archbishop of Nachitschewan (Naxivan, Nakhtchevan, Nakhchivan), Armenia |
| 28 Aug | 59.8 | Died | Imre Csáky † | Cardinal, Archbishop of Kalocsa, Hungary |
| 29 Aug | 69.4 | Died | Luigi Antonio Appiani, C.M. † | Priest of Congregation of the Mission |
| Sep | 44.6 | Installed | Louis-Guy de Guérapin de Vauréal † | Bishop of Rennes, France | Bishop Emeritus |
| 3 Sep | 66.8 | Confirmed | Philipp Karl von Eltz zu Kempenich † | Archbishop of Mainz, Germany |
| Born | Eustach Federl, O.C.D. † | | Vicar Apostolic of Malabar, India |
| 46.2 | Appointed | José Francisco Martínez de Tejada y Díez de Velasco, O.F.M. † | Auxiliary Bishop of Santiago de Cuba | Bishop of Guadalajara, Jalisco, México |
| 46.2 | Appointed | José Francisco Martínez de Tejada y Díez de Velasco, O.F.M. † | Titular Bishop of Tricca | Bishop of Guadalajara, Jalisco, México |
| 33.1 | Confirmed | Philipp Ludwig von Sinzendorf † | Cardinal, Bishop of Wrocław (Breslau), Poland |
| 4 Sep | 47.4 | Selected | Casimiro Rossi † | Archbishop of Taranto, Italy | Archbishop of Salerno, Italy |
| 7 Sep | 76.6 | Installed | Daniel Joseph Mayern † | Archbishop of Praha {Prague}, Czechia |
| 31.7 | Ordained Bishop | Marcin Załuski † | Titular Bishop of Draso | Auxiliary Bishop Emeritus of Płock, Poland |
| 10 Sep | | Born | Giuseppe Corrado Panzini † | | Bishop of Ugento, Italy |
| 14 Sep | 59.7 | Ordained Bishop | Gaspard de La Valette de Thomas † | Bishop of Autun, France | Bishop Emeritus |
| 18 Sep | | Born | Jacinto Carlos da Silveira † | | Bishop Emeritus of São Luís do Maranhão, Brazil |
| 20 Sep | 28.7 | Ordained Priest | Gaspar Afonso da Costa Brandão † | Priest | Bishop of Funchal, Portugal |
| 24.0 | Ordained Priest | João Evangelista Pereira da Silva, T.O.R. † | Priest of Third Order Regular of St. Francis of Penance | Bishop of Belém do Pará, Brazil |
| 21 Sep | 52.6 | Resigned | Alessandro Guiccioli † | Apostolic Internuncio to Portugal | Bishop of Rimini, Italy |
| 22 Sep | 61.0 | Died | Marco Antonio Raimundi † | Bishop of Cariati e Cerenzia, Italy |
| 28 Sep | 40.7 | Installed | Ioan Inocențiu Klein (Micu), O.S.B.M. † | Bishop of Făgăraş (Romanian), Romania | Bishop Emeritus |
| 29 Sep | 80.2 | Died | Wilhelm Franz Johann Bertrand von Nesselrode † | Bishop of Pécs, Hungary |
| 1 Oct | 36.7 | Elevated to Cardinal | Troiano Acquaviva d’Aragona † | Cardinal, Archbishop of Monreale, Italy |
| 37.4 | Appointed | Federico Marcello Lante Montefeltro Della Rovere † | Titular Archbishop of Petra in Palaestina | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 54.4 | Elevated to Cardinal | Agapito Mosca † | Cardinal, Cardinal-Deacon of Sant’Agata de’ Goti |
| 64.4 | Appointed | José Platas † | Auxiliary Bishop of Santiago de Compostela, Spain |
| 64.4 | Appointed | José Platas † | Titular Bishop of Adramyttium | Auxiliary Bishop of Santiago de Compostela, Spain |
| 53.8 | Appointed | Alessandro Puoti † | Bishop of Marsico Nuovo, Italy |
| 47.1 | Confirmed | Jean-Georges de Souillac † | Bishop of Lodève, France |
| 2 Oct | | Born | Ángel Mariano Moscoso Pérez y Oblitas † | | Bishop of Córdoba (Tucumán), Argentina |
| 5 Oct | | Born | Pedro Nolasco Mora Mora, O. de M. † | | Bishop of Solsona, Spain |
| 51.3 | Ordained Bishop | Manuel Isidro Orozco Manrique de Lara † | Bishop of Jaén, Spain | Archbishop of Santiago de Compostela, Spain |
| 7 Oct | 52.7 | Died | Giovanni Francesco Bossi, O.F.M. Conv. † | Archbishop of Naxos, Greece |
| 8 Oct | 83.6 | Died | Antonio Vaira † | Bishop of Adria, Italy |
| 9 Oct | 52.1 | Selected | Antal Kázmér von Thurn und Valsassina † | Bishop of Pécs, Hungary |
| 12 Oct | 23.2 | Ordained Priest | Bartolomeo Coccoli † | Priest | Bishop of Montepeloso, Italy |
| 53.8 | Ordained Bishop | Alessandro Puoti † | Bishop of Marsico Nuovo, Italy |
| 14 Oct | | Born | Franciszek Alojzy Junosza Gzowski † | | Auxiliary Bishop of Vilnius, Lithuania |
| 15 Oct | 75.0 | Died | Tommaso d’Aquino, C.R. † | Bishop of Vico Equense, Italy |
| Appointed | Antonio Ura † | Prelate of Santa Lucia del Mela, Italy |
| 19 Oct | 37.5 | Ordained Bishop | Federico Marcello Lante Montefeltro Della Rovere † | Titular Archbishop of Petra in Palaestina | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 19.1 | Professed | Marco Antonio Piacentini, O.C.D. † | Member of Order of Discalced Carmelites | Bishop of Ispahan, Iran |
| Ordained Bishop | Pedro Alcántara de la Santísima Trinidad, O.C.D. † | Titular Bishop of Areopolis | Vicar Apostolic of Great Mogul (Mughals), India |
| 48.0 | Ordained Bishop | Józef Michał Trzciński † | Titular Bishop of Iuliopolis | Auxiliary Bishop of Gniezno, Poland |
| 20 Oct | | Born | Antônio de Pádua e Bellas, O.F.M. Ref. † | | Bishop Emeritus of São Luís do Maranhão, Brazil |
| 23 Oct | | Born | Nicola Buschi † | | Bishop of Ferentino, Italy |
| 28 Oct | | Born | Simón Casaviella López † | | Bishop of Tudela, Spain |
| Nov | 17.2 | Professed | Giovanni Battista Bruni, Sch. P. † | Member of Order of the Pious Schools | Auxiliary Bishop of Sabina, Italy |
| 79.6 | Died | Thomas Angelus Passante, Sch. P. † | Bishop of Pozzuoli, Italy |
| 3 Nov | 65.8 | Died | Josaphat Parysowicz, O.F.M. Conv. † | Bishop of Bacău, Romania |
| 4 Nov | 58.1 | Resigned | Giovanni Antonio Guadagni, O.C.D. † | Bishop of Arezzo, Italy | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 6 Nov | 33.3 | Installed | Philipp Ludwig von Sinzendorf † | Cardinal, Bishop of Wrocław (Breslau), Poland |
| 11 Nov | | Selected | Martin Burke † | Bishop of Kilmacduagh, Ireland |
| Born | Francesco Lucerna Rorengo di Rorà † | | Archbishop of Torino {Turin}, Italy |
| 14 Nov | | Born | Andrij Bacynskyj † | | Bishop of Mukachevo (Munkács) (Ruthenian), Ukraine |
| 15 Nov | 40.1 | Died | Franciscus Aloysius von Lamberg † | Auxiliary Bishop of Passau, Germany |
| 16 Nov | 67.0 | Ordained Bishop | Philipp Karl von Eltz zu Kempenich † | Archbishop of Mainz, Germany |
| 17 Nov | 36.8 | Installed | Troiano Acquaviva d’Aragona † | Cardinal-Priest of Santi Quirico e Giulitta | Cardinal, Archbishop of Monreale, Italy |
| 81.5 | Resigned | Giuseppe Renato Imperiali † | Cardinal-Priest of San Giorgio in Velabro | Cardinal, Cardinal-Priest of San Lorenzo in Lucina |
| 54.5 | Installed | Agapito Mosca † | Cardinal-Deacon of San Giorgio in Velabro | Cardinal, Cardinal-Deacon of Sant’Agata de’ Goti |
| 35.0 | Confirmed | Domenico di Val Guarnera, C.O. † | Bishop of Cefalù, Italy |
| 20 Nov | | Born | Giuseppe Mormile, C.R. † | | Titular Archbishop of Nazareth |
| Born | Martin Takáts † | | Auxiliary Bishop of Kalocsa, Hungary |
| 22 Nov | | Confirmed | Martin Burke † | Bishop of Kilmacduagh, Ireland |
| 28 Nov | | Born | Giovanni Arcamone, C.R. † | | Bishop of Lucera, Italy |
| 68.2 | Died | Henri-Charles du Camboust de Coislin † | Bishop of Metz, France |
| 30 Nov | 27.4 | Ordained Priest | Jean Baptiste D’Orliè De Saint Innocent, C.R.S.A. † | Priest of Confederation of Canons Regular of St. Augustine | Bishop of Pinerolo, Italy |
| Dec | 68.5 | Died | Dionigi Gioacchino Belmont, O.S.M. † | Bishop of Alghero, Italy |
| 55.0 | Died | Filippo Positano † | Bishop of Calvi Risorta, Italy |
| 6 Dec | 22.9 | Ordained Priest | Simon Ambros Stock † | Priest of Wien {Vienna}, Austria | Titular Bishop of the Titular See |
| 7 Dec | 54.9 | Ordained Bishop | Francisco Pérez Prado y Cuesta † | Bishop of Teruel, Spain |
| 64.6 | Ordained Bishop | José Platas † | Titular Bishop of Adramyttium | Auxiliary Bishop of Santiago de Compostela, Spain |
| 35.0 | Ordained Bishop | Domenico di Val Guarnera, C.O. † | Bishop of Cefalù, Italy |
| 13 Dec | 74.6 | Died | Francesco Trevisani † | Bishop of Verona, Italy |
| 14 Dec | 80.9 | Died | Bernard d’Abbadie d’Arbocave † | Bishop of Acqs (Dax), France |
| 19 Dec | 70.3 | Died | Nicolao Gaetano Aprosio, C.R. † | Bishop of Nebbio, France |
| 64.1 | Appointed | Carlo Cosenza † | Bishop of Vico Equense, Italy |
| 56.3 | Appointed | Diego Fermín de Vergara, O.S.A. † | Bishop of Popayán, Colombia | Archbishop of Santafé en Nueva Granada, Colombia |
| 42.5 | Appointed | Jan Aleksander Lipski † | Cardinal, Bishop of Kraków, Poland |
| 50.9 | Appointed | Domenico Antonio Peronaci † | Bishop of Umbriatico (Umbriaticum), Italy |
| 31.5 | Appointed | Carlo Ronchi † | Bishop of Cariati e Cerenzia, Italy |
| 20 Dec | 22.8 | Ordained Priest | Giovanni Maria Castelvetri † | Priest | Bishop of Reggio Emilia, Italy |
| Born | Tommaso Maria Francone, C.R. † | | Archbishop of Manfredonia, Italy |
| 30.6 | Ordained Priest | Domenico Rovegno † | Priest | Archbishop of Brindisi, Italy |
| 22.9 | Ordained Priest | Giuseppe Sparano † | Priest of Napoli {Naples}, Italy | Archbishop of Acerenza e Matera, Italy |
| 21 Dec | 31.5 | Ordained Bishop | Carlo Ronchi † | Bishop of Cariati e Cerenzia, Italy |
| 25 Dec | | Born | [Étienne Delcher] † | | Bishop Emeritus of [Haute-Loire (Constitutional), France] |
| 74.9 | Died | Francisco Ochoa Mendarozqueta y Arzamendi † | Bishop of Palencia, Spain |
| 28 Dec | 50.9 | Ordained Bishop | Domenico Antonio Peronaci † | Bishop of Umbriatico (Umbriaticum), Italy |
| 30 Dec | 64.7 | Died | Cornelio Bentivoglio † | Cardinal, Cardinal-Priest of Santa Cecilia |