| Date | Age | Event | Bishop | Title | Current Title | 
|---|
| 4 Jul | 72.3 | Died | Clemente Maria (Vincent) Bardini, O.S.B. † | Bishop of Acquapendente, Italy | 
| 63.4 | Ordained Bishop | Salvador Biempica y Sotomayor † | Bishop of Tlaxcala (Puebla de los Angeles), México | 
| 49.7 | Ordained Bishop | Ferdinand Kindermann von Schulstein † | Bishop of Litoměřice, Czechia | 
| 5 Jul | 67.7 | Died | Rafael José Verger y Suau, O.F.M. Obs. † | Bishop of Linares o Nueva León, Nuevo León, México | 
| 11 Jul | 43.2 | Ordained Bishop | Francisco de Cuerda † | Bishop of Puerto Rico (Porto Rico) | Bishop Emeritus | 
| 58.3 | Ordained Bishop | Antonio José Salinas y Moreno, O.F.M. Obs. † | Bishop of Tortosa, Spain | 
| 16 Jul |  | Born | Joăo Henriques Monis † |  | Bishop of Santiago de Cabo Verde | 
| 25 Jul | 34.9 | Ordained Bishop | Cesare Brancadoro † | Titular Archbishop of Nisibis | Cardinal, Archbishop of Fermo, Italy | 
| 23.7 | Ordained Deacon | Józef Chełkowski † | Deacon of Gniezno, Poland | Auxiliary Bishop of Gniezno e Poznań, Poland | 
| 89.5 | Died | Jan Dembowski † | Auxiliary Bishop Emeritus of Włocławek (Kujawy, Kalisze), Poland | 
| 4 Aug | 45.4 | Selected | Joseph Anton Blatter † | Bishop of Sion {Sitten}, Switzerland | 
| 7 Aug |  | Born | Anton Frenzel † |  | Auxiliary Bishop of Warmia (Ermland), Poland | 
|  | Born | Stjepan Pavlović-Lučić † |  | Bishop of Kotor (Cattaro), Montenegro | 
| 8 Aug | 47.1 | Ordained Bishop | Agustín Ińigo Abad Lasierra, O.S.B. † | Bishop of Barbastro, Spain | 
| 46.6 | Ordained Bishop | Cayetano Peńa Granada † | Bishop of Huesca, Spain | 
| 39.2 | Ordained Bishop | Atanasio Puyal y Poveda † | Titular Bishop of Carystus | Bishop of Calahorra y La Calzada, Spain | 
| 9 Aug | 47.5 | Died | Ignazio-Gaetano Boncompagni-Ludovisi † | Cardinal, Secretary Emeritus of the Secretariat of State | 
| 11 Aug |  | Born | José Domingo Armestar Espinoza de los Monteros † |  | Bishop of Trujillo, Peru | 
| 13 Aug | 74.7 | Died | Andreas Aerts † | Vicar Apostolic of ’s-Hertogenbosch (Bois-le-Duc), Netherlands | 
| 42.2 | Succeeded | Antonius van Alphen † | Vicar Apostolic of ’s-Hertogenbosch (Bois-le-Duc), Netherlands | 
| 15 Aug | 38.6 | Ordained Bishop | Manuel de Aguiar † | Bishop of Leiria, Portugal | 
| 43.6 | Ordained Bishop | Manoel de Almeida de Carvalho † | Bishop of Belém do Pará, Brazil | 
| 55.6 | Ordained Bishop | John Carroll † | Bishop of Baltimore, Maryland, USA | Archbishop of Baltimore, Maryland, USA | 
| 16 Aug | 79.8 | Died | Ignazio Maria Fraganeschi † | Bishop of Cremona, Italy | 
| 22 Aug | 22.8 | Ordained Priest | Raphael Lupoli, C.Ss.R. † | Priest of Congregation of the Most Holy Redeemer | Bishop of Larino, Italy | 
| 22.1 | Ordained Priest | Georg Mayer † | Priest of Gurk, Austria | Bishop | 
| 47.5 | Ordained Bishop | Joseph Konrad von Schroffenberg, C.R.S.A. † | Bishop of Freising, Germany | 
| 26 Aug |  | Born | Claudio Samuelli † |  | Bishop of Montepulciano, Italy | 
| 27 Aug | 63.5 | Installed | Salvador Biempica y Sotomayor † | Bishop of Tlaxcala (Puebla de los Angeles), México | 
| 30 Aug | 62.5 | Died | Josef Winterl, S.J. † | Auxiliary Bishop of Győr (Raab), Hungary | 
| 2 Sep | 89.5 | Died | Johann Nikolaus (Febronius) von Hontheim † | Auxiliary Bishop of Trier, Germany | 
| 3 Sep | 65.4 | Died | Teodoro Giacomo Filippo Luvini, O.F.M. Cap. † | Bishop of Pesaro, Italy | 
| 7 Sep |  | Born | Bertrand-Sévčre Mascarou-Laurence † |  | Bishop of Tarbes, France | 
| 8 Sep | 52.3 | Ordained Bishop | Miklós Milassin, O.F.M. Obs. † | Bishop of Székesfehérvár (Albareale), Hungary | 
| 10 Sep | 46.7 | Appointed | John Douglass † | Vicar Apostolic of London District, England, Great Britain | 
| 46.7 | Appointed | John Douglass † | Titular Bishop of Centuria | Vicar Apostolic of London District, England, Great Britain | 
| 52.6 | Appointed | William Gibson † | Vicar Apostolic of Northern District, England, Great Britain | 
| 52.6 | Appointed | William Gibson † | Titular Bishop of Achantus | Vicar Apostolic of Northern District, England, Great Britain | 
| 79.3 | Died | Filippo Sanseverino † | Bishop Emeritus of Alife, Italy | 
| 11 Sep |  | Born | Manfredo Giovanni Battista Bellati † |  | Bishop of Ceneda, Italy | 
| 12 Sep | 52.3 | Ordained Bishop | Anselmo José de Fraga y Márquez † | Bishop of Santa Marta, Colombia | 
| 17 Sep | 23.1 | Ordained Priest | Filippo Cattani † | Priest | Bishop of Reggio Emilia, Italy | 
| 18 Sep | 23.1 | Ordained Priest | Antoine-Jacques de Chamon † | Priest | Bishop of Saint-Claude, France | 
| 23.8 | Ordained Priest | Józef Chełkowski † | Priest of Gniezno, Poland | Auxiliary Bishop of Gniezno e Poznań, Poland | 
| 24.7 | Ordained Priest | St. Domingo Henares, O.P. † | Priest of Order of Friars Preachers | Coadjutor Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viet Nam | 
| 23.1 | Ordained Priest | Ignatz Albert (Joseph Ignatz Alexius) von Riegg, O.E.S.A. † | Priest of Order of Hermits of St. Augustine | Bishop of Augsburg, Germany | 
| 25.2 | Ordained Priest | Joseph-Julien de Saint-Rome-Gualy † | Priest | Bishop of Carcassonne, France | 
| 21 Sep | 49.8 | Selected | Joseph von Stubenberg † | Bishop of Eichstätt, Germany | Archbishop of Bamberg, Germany | 
| 26 Sep | 32.5 | Ordained Bishop | Jozafat Bułhak, O.S.B.M. † | Coadjutor Bishop of Pińsk-Turaŭ (Ukrainian), Belarus | Archbishop of Kyiv-Halyč {Kiev} (Ukrainian), Ukraine | 
| 23.0 | Ordained Priest | Francisco Chacim (Chachim), O.F.M. Disc. † | Priest of Order of Discalced Friars Minor | Bishop of Macau, China | 
| 58.1 | Ordained Bishop | Porifiriusz Skarbek-Ważyński, O.S.B.M. † | Bishop of Chełm and Bełz (Ukrainian), Poland | 
| 30 Sep | 66.2 | Died | Toussaint-François-Joseph Conen de Saint-Luc † | Bishop of Quimper, France | 
| Oct | 22.6 | Ordained Deacon | Jean-Louis Anne Madelain Lefebvre de Cheverus † | Deacon of Le Mans, France | Cardinal, Archbishop of Bordeaux, France | 
| 1 Oct | 58.7 | Appointed | Feliciano Alonso, O.P. † | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viet Nam | 
| 58.7 | Appointed | Feliciano Alonso, O.P. † | Titular Bishop of Fesseë | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viet Nam | 
| 6 Oct | 50.5 | Died | Maciej Grzegorz Garnysz † | Bishop of Chełm, Poland | 
| 10 Oct | 47.4 | Ordained Bishop | Bartolomé María de las Heras Navarro † | Bishop of Cuzco, Peru | Archbishop of Lima, Peru | 
| 15 Oct | 46.9 | Selected | Wojciech Józef Skarszewski † | Bishop of Chełm and Lublin, Poland | Archbishop of Warszawa {Warsaw}, Poland | 
| 24 Oct | 22.8 | Ordained Priest | Giovanni Ignatius Ambrose Giovanni Angelo Porta, O.F.M. Cap. † | Priest of Order of Friars Minor Capuchin | Titular Bishop of Thermopylae | 
| 28 Oct | 51.8 | Ordained Bishop | José Calvo, O.P. † | Titular Bishop of Meloë in Lycia | Vicar Apostolic of Fukien, Chekiang, and Kiangsi, China | 
| 44.0 | Ordained Bishop | Domingo Collantes, O.P. † | Bishop of Nueva Caceres, Philippines | 
| 22.4 | Ordained Deacon | Antal Juranitz † | Deacon | Bishop of Győr (Raab), Hungary | 
| 31 Oct | 48.6 | Selected | [Louis Alexandre Expilly] † | Bishop of [Finistčre (Constitutional), France] | 
| 2 Nov |  | Born | Joseph-Marie-Pélagie Havard, M.E.P. † |  | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viet Nam | 
| 4 Nov | 81.0 | Died | Józef Prószyński † | Titular Bishop of Mennith | 
| 9 Nov | 68.3 | Died | Juan Manuel Antonio Ramos Lora, O.F.M. Obs. † | Bishop of Mérida, Venezuela | 
| 15 Nov | 56.8 | Died | Gjergj Engjëll Radovani † | Archbishop of Bar (Antivari), Montenegro | 
| 65.8 | Installed | Blas Manuel Sobrino y Minayo † | Bishop of Santiago de Chile | Bishop of Trujillo, Peru | 
| 24 Nov | 66.0 | Selected | [Nicolas Philbert], C.M. † | Bishop of [Ardennes (Constitutional), France] | 
| 25 Nov | 38.6 | Appointed | Ramón Falcón y Salcedo † | Titular Bishop of Thaumacus | Bishop of Cuenca, Spain | 
| 26 Nov | 68.9 | Died | José Tormo Juliá † | Bishop of Orihuela, Spain | 
| 29 Nov | 45.7 | Confirmed | Joseph Anton Blatter † | Bishop of Sion {Sitten}, Switzerland | 
| 51.5 | Appointed | Filippo Campanelli † | Cardinal-Deacon of Sant’Angelo in Pescheria | Cardinal, Cardinal-Deacon of San Cesareo in Palatio | 
| 57.6 | Appointed | Godefroid Philippe Joseph de La Porte, O.F.M. Cap. † | Coadjutor Archbishop of Naxos, Greece | Archbishop | 
| 57.6 | Appointed | Godefroid Philippe Joseph de La Porte, O.F.M. Cap. † | Titular Bishop of Amyzon | Archbishop of Naxos, Greece | 
| 50.3 | Appointed | Giovanni Pietro Galzigna † | Bishop of Trogir (Traů), Croatia | Bishop of Arbe (Rab), Croatia | 
| 47.8 | Confirmed | Tymoteusz Pawel von Gorzeński † | Bishop of Smoleńsk, Poland | Archbishop of Gniezno e Poznań, Poland | 
| 56.9 | Appointed | Stefan Wojciech von Łubieński † | Auxiliary Bishop of Gniezno, Poland | 
| 56.9 | Appointed | Stefan Wojciech von Łubieński † | Titular Bishop of Byblus | Auxiliary Bishop of Gniezno, Poland | 
| 54.7 | Appointed | Antonio Martínez de la Plaza † | Bishop of Cádiz, Spain | 
| 57.1 | Confirmed | Adam Stanisław Naruszewicz † | Bishop of Lutsk (Łuck), Ukraine | 
| 62.9 | Appointed | Gregorio Antonio Maria Salviati † | Cardinal, Cardinal-Deacon of Santa Maria in Via Lata | 
| 47.0 | Confirmed | Wojciech Józef Skarszewski † | Bishop of Chełm and Lublin, Poland | Archbishop of Warszawa {Warsaw}, Poland | 
| 62.0 | Appointed | Fernando Spinelli † | Cardinal, Cardinal-Deacon of Santa Maria in Cosmedin | 
| 61.8 | Confirmed | Feliks Paweł Turski † | Bishop of Kraków, Poland | 
| 65.1 | Appointed | Luigi Valenti Gonzaga † | Cardinal-Priest of Santi Nereo ed Achilleo | Cardinal, Librarian of the Vatican Library | 
| Dec | 67.6 | Died | Gioacchino Paglione † | Bishop of Trivento, Italy | 
| 2 Dec |  | Born | Pier Grisologo Basetti (Bassetti) † |  | Bishop of Borgo San Donnino, Italy | 
| 4 Dec | 36.3 | Selected | Józef Arnulf Giedroyć † | Coadjutor Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania | Bishop | 
| 5 Dec | 52.8 | Ordained Bishop | William Gibson † | Titular Bishop of Achantus | Vicar Apostolic of Northern District, England, Great Britain | 
| 6 Dec | 50.5 | Ordained Bishop | Jozafat Bastašić (Bastasyc), O.S.B.M. † | Bishop of Križevci (Kreutz) (Križevci), Croatia | 
| 7 Dec | 49.2 | Selected | [Jean Julien Avoine] † | Bishop of [Seine-et-Oise (Constitutional), France] | 
| 9 Dec | 73.9 | Died | Tomasz Ignacy Zienkowicz † | Auxiliary Bishop Emeritus of Vilnius, Lithuania | 
| 12 Dec | 55.9 | Installed | John Carroll † | Bishop of Baltimore, Maryland, USA | Archbishop of Baltimore, Maryland, USA | 
| 13 Dec | 68.4 | Died | Pier Luigi Galletti, O.S.B. † | Titular Bishop of Cyrene | 
| 18 Dec | 24.5 | Ordained Priest | Gaetano Bonanni † | Priest | Bishop of Norcia, Italy | 
| 23.3 | Ordained Priest | Francesco Gaetano Buglioni (Bullione di Monale) † | Priest | Bishop of Mondovi, Italy | 
| 22.8 | Ordained Priest | Jean-Louis Anne Madelain Lefebvre de Cheverus † | Priest of Le Mans, France | Cardinal, Archbishop of Bordeaux, France | 
| 24.0 | Ordained Priest | Pietro India † | Priest | Titular Bishop of Myrina | 
| 24.0 | Ordained Priest | Domenico Lombardi † | Priest | Titular Bishop of Lares | 
| 22.9 | Ordained Priest | Ignazio Giuseppe Nicola Epifanio Montemagno, O.F.M. Conv. † | Priest of Order of Friars Minor Conventual | Bishop of Agrigento (Girgenti), Italy | 
| 23.7 | Ordained Deacon | Tommaso Ronna † | Deacon | Bishop of Crema, Italy | 
| 22.9 | Ordained Deacon | Patrick Ryan † | Deacon | Bishop of Ferns, Ireland | 
| 23.3 | Ordained Priest | Antônio de Săo José Bastos, O.S.B. † | Priest of Order of Saint Benedict | Bishop of Olinda, Brazil | 
| 24.2 | Ordained Priest | Giovanni Sergio † | Priest | Bishop of Cefalů, Italy | 
| 23.0 | Ordained Priest | Franciszek Ksawery Zglenicki † | Priest of Kraków, Poland | Auxiliary Bishop | 
| 19 Dec | 22.1 | Ordained Deacon | Gaetano Benaglia † | Deacon | Bishop of Lodi, Italy | 
| 47.0 | Ordained Bishop | John Douglass † | Titular Bishop of Centuria | Vicar Apostolic of London District, England, Great Britain | 
| 22 Dec | 76.2 | Retired | Claude-Mathias-Joseph de Barral † | Bishop of Troyes, France | Bishop Emeritus | 
| 44.6 | Succeeded | Louis-Mathias-Joseph de Barral † | Bishop of Troyes, France | Archbishop Emeritus of Tours, France | 
| 27 Dec | 50.3 | Ordained Bishop | Giovanni Pietro Galzigna † | Bishop of Trogir (Traů), Croatia | Bishop of Arbe (Rab), Croatia | 
| 30 Dec | 75.8 | Died | Jean-Georges Lefranc de Pompignan † | Archbishop Emeritus of Vienne, France | 
| 31 Dec | 24.7 | Ordained Priest | Pierre Trenchant, M.E.P. † | Priest of La Société des Missions Etrangčres | Coadjutor Vicar Apostolic of Se-Ciuen (Setchoan, Szechwan, Sichuan), China |