| Date | Age | Event | Bishop | Title | Current Title |
| 1 Jul | | Born | José Fernández Díaz de la Madrid, O.F.M. † | Quito | Bishop of Quito, Ecuador |
| 6 Jul | 57.8 | Appointed | Marco Antonio Ansidei † | Cardinal-Priest of Sant’Agostino | Cardinal, Bishop of Perugia, Italy |
| 32.1 | Elevated to Cardinal | Francesco Scipione Maria Borghese † | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 60.9 | Appointed | Juan Ignacio de Castorena y Ursúa y Goyeneche † | Bishop of Yucatán (Mérida), México |
| 47.2 | Elevated to Cardinal | Carlo Vincenzo Maria Ferreri Thaon, O.P. † | Cardinal, Bishop of Vercelli, Italy |
| 60.2 | Appointed | Francesco Antonio Finy † | Cardinal-Priest of San Sisto | Cardinal, Bishop Emeritus of Tivoli, Italy |
| 46.6 | Appointed | Gennaro Fortunato † | Bishop of Cassano all’Jonio, Italy |
| 44.9 | Appointed | Antonius Maria Ghislieri † | Titular Bishop of Azotus |
| 51.3 | Confirmed | Juan Leandro Gómez de Parada Valdez y Mendoza † | Bishop of Guatemala (Santiago de Guatemala), Guatemala | Bishop of Guadalajara, Jalisco, México |
| 28.0 | Confirmed | Frédéric-Jérôme de La Rochefoucauld † | Cardinal, Archbishop of Bourges, France |
| 66.3 | Appointed | Matthaeus de Robertis † | Titular Bishop of Callinicum |
| 45.5 | Appointed | François-Joseph Robuste † | Auxiliary Bishop of Reims, France |
| 45.5 | Appointed | François-Joseph Robuste † | Titular Bishop of Nitria | Auxiliary Bishop of Reims, France |
| 60.4 | Appointed | Francisco de Santiago y Calderón, O. de M. † | Bishop of Antequera, Oaxaca, México |
| 45.4 | Appointed | Lazzaro Sangiovanni † | Bishop of Bitetto, France |
| 8 Jul | 44.5 | Died | Anne-François-Guillaume du Cambout-Beçay † | Bishop of Tarbes, France |
| 9 Jul | 49.9 | Appointed | Jean Baptiste Gillis † | Auxiliary Bishop of Liège, Belgium |
| 49.9 | Appointed | Jean Baptiste Gillis † | Titular Bishop of Amyzon | Auxiliary Bishop of Liège, Belgium |
| 12 Jul | 47.3 | Selected | Carlo Vincenzo Maria Ferreri Thaon, O.P. † | Cardinal, Bishop of Vercelli, Italy |
| 37.5 | Selected | Ioan Inocențiu Klein (Micu), O.S.B.M. † | Bishop of Făgăraş (Romanian), Romania | Bishop Emeritus |
| 58.6 | Selected | Giovanni Battista Lomellini, O.P. † | Bishop of Saluzzo, Italy |
| 16 Jul | | Born | Manuel Ferrer y Figueredo † | Granada | Bishop of Málaga, Spain |
| 17 Jul | 46.7 | Ordained Bishop | Andrzej Pruski † | Titular Bishop of Tanis | Auxiliary Bishop of Przemyśl, Poland |
| 22 Jul | 51.4 | Died | Giovanni Bortone † | Titular Bishop of Diospolis in Thracia |
| 24 Jul | | Born | Francisco López Sánchez † | Benamocarra, Spain | Bishop of Ayacucho o Huamanga (Guamanga), Peru |
| 25 Jul | | Born | Valentino Mastrozzi † | Terni, Italy | Cardinal, Cardinal-Priest of San Lorenzo in Panisperna |
| 45.5 | Ordained Bishop | Lazzaro Sangiovanni † | Bishop of Bitetto, France |
| Aug | 59.3 | Died | Antonio Bianchi di Gennaro, O.F.M. † | Bishop of Mottola (Motula), Italy |
| 62.6 | Died | Salvatore di Aloisio † | Bishop of Termoli, Italy |
| 60.9 | Died | Vincenzio Lessio † | Bishop of Krk (Veglia), Croatia |
| 3 Aug | 32.2 | Installed | Francesco Scipione Maria Borghese † | Cardinal-Priest of San Pietro in Montorio | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 54.2 | Appointed | Otto Honorius von Egkh und Hungersbach † | Auxiliary Bishop of Olomouc (Olmütz), Czech Republic |
| 54.2 | Appointed | Otto Honorius von Egkh und Hungersbach † | Titular Bishop of Thermopylae | Auxiliary Bishop of Olomouc (Olmütz), Czech Republic |
| 64.6 | Appointed | Juan Fernández Zapata † | Bishop of León, Spain |
| 37.6 | Appointed | Gregorio de Molleda y Clerque † | Bishop of Cartagena, Colombia | Archbishop of La Plata o Charcas, Bolivia |
| 63.8 | Appointed | Miguel Esteban Pérez Estremera, O.S. † | Titular Bishop of Danaba |
| 55.4 | Appointed | Friedrich Karl von Schönborn † | Apostolic Administrator of Bamberg, Germany | Bishop of Würzburg, Germany |
| 55.4 | Confirmed | Friedrich Karl von Schönborn † | Bishop of Würzburg, Germany |
| 4 Aug | 75.6 | Died | Anselmo de la Peña, O.S.B. † | Bishop of Agrigento (Girgenti), Italy |
| 7 Aug | 28.1 | Ordained Bishop | Frédéric-Jérôme de La Rochefoucauld † | Cardinal, Archbishop of Bourges, France |
| 12 Aug | 67.2 | Died | Flaminio Dondi, O.F.M. † | Bishop of Montefeltro, Italy |
| 14 Aug | 22.9 | Ordained Priest | Francesco Maria Banditi, C.R. † | Priest of Congregation of Clerics Regular | Cardinal, Archbishop of Benevento, Italy |
| 16 Aug | 36.3 | Confirmed | Jean-Baptiste-Antoine de Brancas † | Archbishop of Aix, France |
| 17 Aug | 26.6 | Confirmed | Paul d’Albert de Luynes † | Bishop of Bayeux, France | Cardinal, Archbishop of Sens, France |
| Appointed | Athanasius Czeptyski (Szeptycki) † | Archbishop of Kyiv-Halyč {Kiev} (Ruthenian), Ukraine |
| 57.0 | Appointed | Johann Baptist Haus † | Auxiliary Bishop of Basel, Switzerland |
| 57.0 | Appointed | Johann Baptist Haus † | Titular Bishop of Messalum | Auxiliary Bishop of Basel, Switzerland |
| 58.7 | Confirmed | Giovanni Battista Lomellini, O.P. † | Bishop of Saluzzo, Italy |
| 43.6 | Appointed | Athanasiy Sheptyskyi † | Archbishop of Foreign Archdiocese |
| 73.8 | Confirmed | Charles-Gaspard-Guillaume de Vintimille du Luc † | Archbishop of Paris, France |
| 21 Aug | 63.6 | Died | Juan Gómez de Neva y Frías † | Bishop of Quito, Ecuador |
| 24 Aug | | Born | George Hay † | Edinburgh | Vicar Apostolic Emeritus of Lowland District, Scotland, Great Britain |
| 28 Aug | 32.8 | Ordained Priest | Antonio Redetti † | Priest | Bishop of Bergamo, Italy |
| 29 Aug | | Born | Dominique Maria de Santini † | Bastia | Bishop Emeritus of Nebbio, France |
| Sep | 83.7 | Died | Giuseppe Maria Bottari, O.F.M. Conv. † | Bishop of Pula (Pola), Croatia |
| 65.0 | Died | Michelangelo Gentili † | Bishop of Belcastro, Italy |
| 2 Sep | | Born | Esteban Antonio Aguado Rojas † | Illescas | Bishop of Pamplona, Spain |
| 3 Sep | 40.5 | Appointed | Kornylij Lebeckyj, O.S.B.M. † | Bishop of Foreign Diocese |
| 6 Sep | | Born | Filippo Carandini † | Pesaro, Italy | Cardinal, Cardinal-Deacon of Sant’Eustachio |
| 7 Sep | 47.8 | Appointed | Giovanni Crisostomo Calvi, O.P. † | Bishop of Montefeltro, Italy |
| 59.0 | Appointed | Pietro de Carolis † | Titular Archbishop of Traianopolis in Rhodope |
| 61.9 | Appointed | Giovanni Antonio Cavedi (Chevedo), O.F.M. † | Coadjutor Bishop of Comacchio, Italy | Bishop |
| 61.9 | Appointed | Giovanni Antonio Cavedi (Chevedo), O.F.M. † | Titular Bishop of Eucarpia | Bishop of Comacchio, Italy |
| 55.9 | Appointed | Franciszek Kaznowski † | Auxiliary Bishop of Poznań, Poland |
| 55.9 | Appointed | Franciszek Kaznowski † | Titular Bishop of Domitiopolis | Auxiliary Bishop of Poznań, Poland |
| 42.8 | Appointed | Stephanus Ladislaus Luzenszky † | Titular Bishop of Thyatira |
| 47.2 | Confirmed | Franz Georg von Schönborn † | Archbishop of Trier, Germany |
| 42.7 | Confirmed | Gregorius Sorger † | Bishop of Transilvania, Erdély, Siebenbürgen, Romania |
| 8 Sep | 50.0 | Ordained Bishop | Jean Baptiste Gillis † | Titular Bishop of Amyzon | Auxiliary Bishop of Liège, Belgium |
| 9 Sep | 33.6 | Ordained Bishop | Joseph Benedikt von Rost † | Bishop of Chur, Switzerland |
| 11 Sep | 61.9 | Ordained Bishop | Giovanni Antonio Cavedi (Chevedo), O.F.M. † | Titular Bishop of Eucarpia | Bishop of Comacchio, Italy |
| Born | Antonio María de los Reyes Almada, O.F.M. † | Aspe, Alicante, Spain | Bishop of Sonora, México |
| 18 Sep | 59.0 | Ordained Bishop | Pietro de Carolis † | Titular Archbishop of Traianopolis in Rhodope |
| 57.1 | Ordained Bishop | Johann Baptist Haus † | Titular Bishop of Messalum | Auxiliary Bishop of Basel, Switzerland |
| 23 Sep | 37.7 | Ordained Priest | Ioan Inocențiu Klein (Micu), O.S.B.M. † | Priest of Basilian Order of Saint Josaphat (Order of St. Basil the Great) | Bishop Emeritus of Făgăraş (Romanian), Romania |
| 24 Sep | | Appointed | Luke Fagan † | Archbishop of Dublin, Ireland |
| 21.8 | Ordained Priest | Franjo Klobusiczky † | Priest | Archbishop of Kalocsa, Hungary |
| 23.1 | Ordained Priest | Carlo Rosati † | Priest | Bishop of Alife, Italy |
| 24.6 | Ordained Priest | Nicola Spedalieri † | Priest | Bishop of Oppido Mamertina, Italy |
| 25 Sep | 26.7 | Ordained Bishop | Paul d’Albert de Luynes † | Bishop of Bayeux, France | Cardinal, Archbishop of Sens, France |
| 21.0 | Ordained Priest | Leopold Ernst von Firmian † | Priest of Passau, Germany | Cardinal, Bishop |
| 26 Sep | | Appointed | Stephen MacEgan, O.P. † | Bishop of Meath, Ireland |
| Appointed | Ambrose O’Callaghan, O.F.M. † | Bishop of Ferns, Ireland |
| 29 Sep | 23.1 | Ordained Priest | Francesco Broccoli † | Priest | Bishop of Polignano (Polinianum), Italy |
| 30 Sep | | Born | Stefano Domenico Sceriman, O.P. † | Venezia | Bishop of Chioggia, Italy |
| 2 Oct | | Born | Jerónimo Gómez de Liñán de la Borda † | Cartagena | Bishop of Cartagena, Colombia |
| 3 Oct | 63.0 | Appointed | Jean Grillet, O.P. † | Bishop of Aosta, Italy |
| 55.6 | Appointed | Joannes Bapt. Senzasoni † | Titular Bishop of Olympus (Olimpus) |
| 5 Oct | 43.8 | Died | Manuel José de Hendaya y Haro † | Bishop of Oviedo, Spain |
| 9 Oct | 63.0 | Ordained Bishop | Jean Grillet, O.P. † | Bishop of Aosta, Italy |
| Born | Francisco José Marán † | Arequipa, Peru | Bishop of Santiago de Chile |
| 12 Oct | 64.8 | Died | Juan Fernández Zapata † | Bishop of León, Spain |
| 14 Oct | 52.3 | Installed | Juan José de Escalona y Calatayud † | Bishop of Michoacán, México |
| 15 Oct | 45.8 | Selected | François-Honoré-Lancelot de Maniban de Casaubon † | Bishop of Bordeaux, France |
| 16 Oct | 50.4 | Ordained Bishop | Winimar Knippschild, O.S.B. † | Titular Bishop of Myndus | Auxiliary Bishop of Paderborn, Germany |
| Born | Antonio de Luna, O.F.M. † | Marchena, Spain | Bishop of Nueva Caceres, Philippines |
| 18 Oct | 47.3 | Ordained Priest | Franz Georg von Schönborn † | Priest of Trier, Germany | Archbishop |
| 26 Oct | 59.8 | Died | Zozuno Valignari † | Titular Archbishop of Thessalonica |
| 30 Oct | | Born | Iledfonso Núñez de Haro y Peralta † | Villagarcía, Spain | Archbishop of México, Federal District |
| 47.4 | Ordained Bishop | Franz Georg von Schönborn † | Archbishop of Trier, Germany |
| Nov | 74.0 | Died | Costantino Giordani, O.C.D. † | Archbishop of Sassari, Italy |
| 1 Nov | 47.9 | Selected | José Sancho Granado † | Bishop of Salamanca, Spain |
| 48.7 | Ordained Bishop | Casimiro Rossi Reyna, O.F.M. † | Titular Bishop of Capsus |
| 4 Nov | 24.3 | Ordained Priest | Antonio Maria Franci † | Priest | Bishop of Grosseto, Italy |
| 5 Nov | 83.6 | Died | Domenico Diez de Aux † | Bishop of Gerace, Italy |
| 6 Nov | 20.0 | Professed | Konstantin Schütz von Holzhausen, O.S.B. † | Member of Order of Saint Benedict | Auxiliary Bishop of Fulda, Germany |
| 7 Nov | 47.9 | Ordained Priest | José Sancho Granado † | Priest of Salamanca, Spain | Bishop |
| 9 Nov | | Born | Andrea Cardamone † | Tramonti | Archbishop of Rossano, Italy |
| 13 Nov | 51.9 | Died | Carlos Bermudez de Castro † | Archbishop of Manila, Philippines |
| 14 Nov | 73.9 | Resigned | François de Nettancourt d’Haussonville de Vaubecourt † | Bishop of Montauban, France | Bishop Emeritus |
| 19 Nov | 68.6 | Died | Paolo Stabile, O.M. † | Bishop of Bova, Italy |
| Born | Cayetano Velozo, O.F.M. † | Caldas de Rainha, Portugal | Bishop of São Tomé e Príncipe |
| 20 Nov | 56.1 | Ordained Bishop | Franciszek Kaznowski † | Titular Bishop of Domitiopolis | Auxiliary Bishop of Poznań, Poland |
| 25 Nov | 60.3 | Died | Johann Matthias von Eyss † | Auxiliary Bishop of Trier, Germany |
| 67.5 | Died | László Nádasdy, O.S.Pauli † | Bishop of Csanád, Hungary |
| 28 Nov | 65.6 | Appointed | Dionigi Gioacchino Belmont † | Bishop of Alghero, Italy |
| 50.9 | Appointed | Giovanni Francesco Bossi, O.F.M. Conv. † | Bishop of Syros (e Milos), Greece | Archbishop of Naxos, Greece |
| 54.6 | Appointed | Giuseppe Caccia, O.F.M. † | Bishop of Cefalonia e Zante, Greece | Bishop Emeritus of Trogir (Traù), Croatia |
| 49.8 | Appointed | Lelio Valentino Contessini-Ettorio † | Bishop of Pula (Pola), Croatia |
| 65.1 | Appointed | Pietro Galletti † | Bishop of Catania, Italy |
| 59.4 | Appointed | Apollonio Lupi, C.R.L. † | Titular Bishop of Himeria |
| 55.3 | Appointed | Tommaso Giosafat Melina † | Titular Bishop of Zama Major | Bishop of Bova, Italy |
| 60.9 | Appointed | Giuseppe Antonio Silvestri † | Bishop of Termoli, Italy |
| 40.9 | Confirmed | Michel de Verthamon de Chavagnac † | Bishop of Montauban, France |
| 69.9 | Appointed | Jean Vivant † | Auxiliary Bishop of Strasbourg, France |
| 69.9 | Appointed | Jean Vivant † | Titular Bishop of Paros | Auxiliary Bishop of Strasbourg, France |
| 30 Nov | 49.8 | Ordained Bishop | Lelio Valentino Contessini-Ettorio † | Bishop of Pula (Pola), Croatia |
| 60.9 | Ordained Bishop | Giuseppe Antonio Silvestri † | Bishop of Termoli, Italy |
| Dec | 66.8 | Died | Marino Carmignano † | Bishop of Cava (de’ Tirreni), Italy |
| 1 Dec | 58.7 | Died | Pier Secondo Radicati de Cocconato † | Bishop of Osimo e Cingoli, Italy |
| 2 Dec | 60.3 | Died | Tommaso Di Grazia † | Bishop of Castellammare di Stabia, Italy |
| 10 Dec | 43.5 | Died | Karl Joseph von Kuenburg † | Bishop of Chiemsee, Germany |
| 11 Dec | 54.7 | Ordained Bishop | Giuseppe Caccia, O.F.M. † | Bishop of Cefalonia e Zante, Greece | Bishop Emeritus of Trogir (Traù), Croatia |
| 40.7 | Ordained Bishop | Kornylij Lebeckyj, O.S.B.M. † | Bishop of Foreign Diocese |
| 12 Dec | | Born | Giuseppe Domenico Porqueddu † | Senorbi | Bishop of Iglesias, Italy |
| 13 Dec | | Born | Francesco Polesini † | Montonae | Bishop of Poreč (Parenzo), Croatia |
| 14 Dec | | Born | Jan Józef Dembowski † | Plock | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| 16 Dec | 65.3 | Died | Pedro de Fajardo (Guajardo), O.SS.T. † | Bishop of Buenos Aires, Argentina |
| 17 Dec | 23.1 | Ordained Priest | Francesco Antonio Attaffi † | Priest | Bishop of Nicotera, Italy |
| 18 Dec | 36.0 | Ordained Priest | Mikołaj Dembowski † | Priest | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| 21 Dec | 43.3 | Appointed | Joseph Franz Valerian Felix von Arco † | Bishop of Chiemsee, Germany | Bishop-Elect |
| 22 Dec | 44.0 | Appointed | Simone Gritti † | Bishop of Acquapendente, Italy | Bishop Emeritus |
| 23 Dec | 44.3 | Appointed | Giovanni Mercurino Arborio di Gattinara, B. † | Bishop of Alessandria (della Paglia), Italy |
| 49.0 | Appointed | Giuseppe Barone † | Bishop of Bova, Italy | Bishop of Calvi Risorta, Italy |
| 40.2 | Appointed | Fabrizio Borgia † | Bishop of Ferentino, Italy |
| 60.6 | Appointed | Giovanni Battista Capuani † | Bishop of Belcastro, Italy |
| 35.0 | Confirmed | Hardouin de Chaslon de Maisonnoble † | Bishop of Lescar, France |
| 47.7 | Confirmed | Carlo Vincenzo Maria Ferreri Thaon, O.P. † | Cardinal, Bishop of Vercelli, Italy |
| 47.7 | Installed | Carlo Vincenzo Maria Ferreri Thaon, O.P. † | Cardinal-Priest of Santa Maria in Via | Cardinal, Bishop of Vercelli, Italy |
| 48.0 | Confirmed | José Sancho Granado † | Bishop of Salamanca, Spain |
| 36.9 | Appointed | Giovanni Federico Orsini Rosa † | Bishop of Krk (Veglia), Croatia | Bishop of Nona (Nin), Croatia |
| 39.5 | Appointed | Giovanni Battista Tarugi † | Bishop of Chiusi, Italy |
| 49.4 | Confirmed | Antal Kázmér von Thurn und Valsassina † | Bishop of Beograd (-Smederevo), Serbia | Bishop of Pécs, Hungary |
| 51.9 | Appointed | Antonius Vladagni † | Bishop of Shkodrë (Scutari), Albania |
| 24 Dec | | Born | Manuel Abad Lasierra † | Estadilla | Bishop Emeritus of Astorga, Spain |
| 25 Dec | 49.0 | Ordained Bishop | Giuseppe Barone † | Bishop of Bova, Italy | Bishop of Calvi Risorta, Italy |
| 27 Dec | 44.8 | Appointed | Ferdinando Agostino Bernabei, O.P. † | Bishop of Osimo e Cingoli, Italy |
| 32.9 | Selected | Charles-Antoine de la Roche-Aymon † | Bishop of Tarbes, France | Cardinal, Archbishop of Reims, France |
| 28 Dec | 84.0 | Died | Jan Franciszek Kurdwanowski, S.J. † | Auxiliary Bishop of Warmia (Ermland), Poland |
| Born | Augustin-René-Louis Le Mintier † | Sévignac | Bishop of Tréguier, France |
| 30 Dec | 76.8 | Died | Johann Sigmund Zeller von und zu Leibersdorf † | Auxiliary Bishop of Freising, Germany |
| 31 Dec | 60.6 | Ordained Bishop | Giovanni Battista Capuani † | Bishop of Belcastro, Italy |
| Died | Louis-Joseph de Châteauneuf de Rochebonne † | Bishop of Carcassonne, France |
| 39.5 | Ordained Bishop | Giovanni Battista Tarugi † | Bishop of Chiusi, Italy |