| 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 Bienpica y Sotomayor † | Bishop of Tlaxcala, México |
| 49.8 | Ordained Bishop | Ferdinand Kindermann † | Bishop of Litoměřice, Czech Republic |
| 5 Jul | 67.7 | Died | Rafael José Verger y Suau, O.F.M. † | 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 |
| 58.4 | Ordained Bishop | Antonio José Salinas y Moreno, O.F.M. † | Bishop of Tortosa, Spain |
| 16 Jul | | Born | João Henriques Monis † | Funchal | 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 e Poznań, Poland | Auxiliary Bishop |
| 3 Aug | 45.4 | Selected | Joseph Anton Blatter † | Bishop of Sion {Sitten}, Switzerland |
| 7 Aug | | Born | Anton Frenzel † | Kostenthal | Auxiliary Bishop of Warmia (Ermland), Poland |
| Born | Stefano Pavlovic-Lucic † | Macarscen | Bishop of Kotor (Cattaro), Montenegro |
| 8 Aug | 47.1 | Ordained Bishop | Agustín Iñigo Abad Lasierra, O.S.B. † | Bishop of Barbastro, Spain |
| 46.7 | Ordained Bishop | Cayetano Peña Granada † | Bishop of Huesca, Spain |
| 39.3 | Ordained Bishop | Atanasio Puyal y Poveda † | Titular Bishop of Carystus | Bishop of Calahorra y La Calzada, Spain |
| 9 Aug | 47.6 | Died | Ignazio-Gaetano Boncompagni-Ludovisi † | Cardinal, Secretary Emeritus of the Secretariat of State |
| 11 Aug | | Born | José Domingo Armestar Espinoza de los Monteros † | Piua | Bishop of Trujillo, Peru |
| 13 Aug | 74.8 | 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 | 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 |
| 17 Aug | 79.9 | 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 |
| 47.6 | Ordained Bishop | Joseph Konrad von Schroffenberg, C.R.S.A. † | Bishop of Freising, Germany |
| 26 Aug | | Born | Claudio Samuelli † | Montepulciano | Bishop of Montepulciano, Italy |
| 27 Aug | 63.6 | Installed | Salvador Bienpica y Sotomayor † | Bishop of Tlaxcala, México |
| 30 Aug | 62.6 | Died | Josef Winterl, S.J. † | Auxiliary Bishop of Győr (Raab), Hungary |
| 2 Sep | 89.6 | Died | Johann Nikolaus (Febronius) von Hontheim † | Auxiliary Bishop of Trier, Germany |
| 3 Sep | 65.5 | Died | Giuseppe Maria Luvini, O.F.M. Cap. † | Bishop of Pesaro, Italy |
| 7 Sep | | Born | Bertrand-Sévère Mascarou-Laurence † | Oroix | Bishop of Tarbes, France |
| 10 Sep | 46.8 | Appointed | John Douglass † | Vicar Apostolic of London District, England, Great Britain |
| 46.8 | 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 |
| 11 Sep | | Born | Manfredo Giovanni Battista Bellati † | Feltre | Bishop of Ceneda, Italy |
| 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 |
| 23.9 | Ordained Priest | Józef Chełkowski † | Priest of Gniezno e Poznań, Poland | Auxiliary Bishop |
| 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 |
| 23.2 | Ordained Priest | Ignatz Albert (Joseph Ignatz Alexius) von Riegg, O.S.A. † | Priest of Order of St. Augustine | Bishop of Augsburg, Germany |
| 25.3 | Ordained Priest | Joseph-Julien de Saint-Rome-Gualy † | Priest | Bishop of Carcassonne, France |
| 21 Sep | 49.9 | Selected | Joseph von Stubenberg † | Bishop of Eichstätt, Germany | Archbishop of Bamberg, Germany |
| 26 Sep | 32.5 | Ordained Bishop | Jozafat Bulhak, O.S.B.M. † | Coadjutor Bishop of Pińsk-Turow (Ukrainian), Belarus | Bishop of Kyiv-Halyč {Kiev} (Ruthenian), Ukraine |
| 23.0 | Ordained Priest | Francisco Chacim (Chachim), O.F.M. † | Priest of Order of Friars Minor | Bishop of Macau, China |
| 30 Sep | 56.2 | Died | Toussaint-François-Joseph Conen de Saint-Luc † | Bishop of Quimper, France |
| 1 Oct | 58.8 | Appointed | Feliciano Alonso, O.P. † | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viet Nam |
| 58.8 | Appointed | Feliciano Alonso, O.P. † | Titular Bishop of Fesseë | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viet Nam |
| 6 Oct | 50.6 | Died | Maciej Grzegorz Garnysz † | Bishop of Chełm, Poland |
| 10 Oct | 47.5 | Ordained Bishop | Bartolomé María de las Heras Navarro † | Bishop of Cuzco, Peru | Archbishop of Lima, Peru |
| 24 Oct | 22.8 | Ordained Priest | Giovanni Angelo Porta, O.F.M. Cap. † | Priest of Order of Friars Minor Capuchin | Titular Bishop of Thermopylae |
| 28 Oct | 44.7 | Ordained Bishop | Domingo Collantes, O.P. † | Bishop of Nueva Caceres, Philippines |
| 22.4 | Ordained Deacon | Antal Juranitz † | Deacon | Bishop of Győr (Raab), Hungary |
| 2 Nov | | Born | Joseph-Marie-Pélagie Havard, M.E.P. † | Thourie, France | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viet Nam |
| 9 Nov | 68.4 | Died | Juan Manuel Antonio Ramos Lora, O.F.M. † | Bishop of Mérida, Venezuela |
| 15 Nov | 56.9 | Died | Georgius Angelus Radovani † | Archbishop of Bar (Antivari), Montenegro |
| 65.8 | Installed | Blas Manuel Sobrino y Minayo † | Bishop of Santiago de Chile | Bishop of Trujillo, Peru |
| 25 Nov | 38.7 | Appointed | Ramón Falcón y Salcedo † | Auxiliary Bishop | Bishop of Cuenca, Spain |
| 38.7 | 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 |
| 51.6 | Appointed | Filippo Campanelli † | Cardinal-Deacon of Sant’Angelo in Pescheria | Cardinal, Cardinal-Deacon of San Cesareo in Palatio |
| 57.7 | Appointed | Godefridus (Philippus Josephus) de La Porte, O.F.M. Cap. † | Coadjutor Archbishop of Naxos, Greece | Archbishop |
| 57.7 | Appointed | Godefridus (Philippus Josephus) de La Porte, O.F.M. Cap. † | Titular Archbishop of Amyzon | Archbishop of Naxos, Greece |
| 50.3 | Appointed | Joannes Petrus Galzigna † | Bishop of Trogir (Traù), 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 | Appointed | Adam Stanisław Naruszewicz, S.J. † | Bishop of Lutsk (Łuck), Ukraine |
| 63.0 | Appointed | Gregorio Antonio Maria Salviati † | Cardinal, Cardinal-Deacon of Santa Maria in Via Lata |
| 47.1 | Appointed | Wojciech Skarszewski † | Bishop of Chełm and Lublin, Poland | Archbishop of Warszawa {Warsaw}, Poland |
| 62.1 | Appointed | Fernando Spinelli † | Cardinal, Cardinal-Deacon of Santa Maria in Cosmedin |
| 65.1 | Appointed | Luigi Valenti Gonzaga † | Cardinal-Priest of Santi Nereo ed Achilleo | Cardinal, Librarian of the Vatican Library |
| Dec | 67.7 | Died | Gioacchino Paglione † | Bishop of Trivento, Italy |
| 2 Dec | | Born | Pier Grisologo Basetti † | Vairo | Bishop of Borgo San Donnino, Italy |
| 5 Dec | 52.8 | Ordained Bishop | William Gibson † | Titular Bishop of Achantus | Vicar Apostolic of Northern District, England, Great Britain |
| 6 Dec | 50.6 | Ordained Bishop | Josafat Bastasic (Bastasyc), O.S.B.M. † | Bishop of Križevci (Kreutz) (Križevci), Croatia |
| 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 |
| 23.4 | Ordained Priest | Francesco Gaetano Buglioni (Bullione di Monale) † | Priest | Bishop of Mondovi, Italy |
| 22.9 | Ordained Priest | Jean-Louis Anne Madelain Lefebvre de Cheverus † | Priest of Montauban, France | Cardinal, Archbishop of Bordeaux, France |
| 24.1 | Ordained Priest | Pietro India † | Priest | Titular Bishop of Myrina |
| 24.1 | Ordained Priest | Domenico Lombardi † | Priest | Titular Bishop of Lares |
| 23.0 | Ordained Priest | Ignazio Giuseppe Nicola Epifanio Montemagno, O.F.M. Conv. † | Priest of Order of Friars Minor Conventual | Bishop of Agrigento (Girgenti), Italy |
| 23.8 | Ordained Deacon | Tommaso Ronna † | Deacon | Bishop of Crema, Italy |
| 23.3 | Ordained Priest | Antônio de São José Bastos, O.S.B. † | Priest of Order of Saint Benedict | Bishop of Olinda, Brazil |
| 24.2 | Ordained Priest | Giovanni Sergio † | Priest | Bishop of Cefalù, Italy |
| 23.0 | Ordained Priest | Franciszek Ksawery Zglenicki † | Priest | Auxiliary Bishop of Kraków, Poland |
| 19 Dec | 22.2 | 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 | 76.3 | Retired | Claude-Mathias-Joseph de Barral † | Bishop of Troyes, France | Bishop Emeritus |
| 44.7 | Succeeded | Louis-Mathias-Joseph de Barral † | Bishop of Troyes, France | Archbishop Emeritus of Tours, France |
| 31 Dec | 24.7 | Ordained Priest | Pierre Trenchant, M.E.P. † | Priest of La Société des Missions Etrangères | Coadjutor Vicar Apostolic of Se-Ciuen (Setchoan), China |