| Date | Age | Event | Bishop | Title | Current Title |
| 2 Jul | 69.9 | Installed | Esteban Lorenzo de Tristán y Esmenota † | Bishop of Guadalajara, Jalisco, México |
| 7 Jul | | Born | Emanuele Marongiu Maccioni † | Iglesias | Bishop Emeritus of Galtelli-Nuoro (Galtelly Nori), Italy |
| 13 Jul | 23.0 | Ordained Priest | Kaspar Max Droste zu Vischering † | Priest of Münster, Germany | Bishop |
| 14 Jul | 22.8 | Ordained Priest | Giovanni Augustoni, O.S.A. † | Priest of Order of St. Augustine | Titular Bishop of Porphyreon |
| 23 Jul | 21.3 | Professed | Ignazio Ranaldi, C.O. † | Member of Confederation of Oratorians of St. Philip Neri | Archbishop of Urbino, Italy |
| 29 Jul | 41.6 | Appointed | Patrick MacMullan † | Coadjutor Bishop of Down and Connor, Ireland | Bishop |
| 41.6 | Appointed | Patrick MacMullan † | Titular Bishop of Ramata (Rama) | Bishop of Down and Connor, Ireland |
| 3 Aug | 61.6 | Died | Antonin Kornel Przedwojewski, O.F.M. Cap. † | Auxiliary Bishop of Gniezno, Poland |
| 4 Aug | 24.3 | Ordained Priest | Manuel Santo Galdino, O.F.M. † | Priest of Order of Friars Minor | Archbishop of Goa, India |
| 47.7 | Ordained Bishop | Juan Antonio de la Virgen María (Viana), O.C.D. † | Bishop of Caracas, Santiago de Venezuela | Bishop of Almería, Spain |
| 7 Aug | 77.8 | Died | Pietro Maria Vannucci † | Bishop of Massa Marittima, Italy |
| 12 Aug | | Born | François-Adélaïde-Adolphe Lannéluc † | Toulouse | Bishop of Aire, France |
| 13 Aug | 60.7 | Died | Giovanni Arcamone, C.R. † | Bishop of Lucera, Italy |
| 14 Aug | 63.1 | Died | Franciscus von Berchtold † | Bishop of Banská Bystrica, Slovakia |
| 23 Aug | 46.5 | Appointed | Giovanni Filippo Gallarati Scotti † | Apostolic Nuncio to Other | Cardinal, Prefect Emeritus of the Prefecture of the Papal Household |
| 58.3 | Died | Antonio Puñuela Alonso † | Bishop of Zamora, Spain |
| 43.0 | Appointed | Luigi Ruffo Scilla † | Apostolic Nuncio to Austria | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 24 Aug | 22.0 | Ordained Deacon | Ignacy Giedrojć † | Deacon | Coadjutor Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
| 25 Aug | | Born | Jean-Aimé de Levezou de Vezins † | Millau | Bishop of Agen, France |
| 28 Aug | 53.3 | Died | Josafat Bastasic (Bastasyc), O.S.B.M. † | Bishop of Križevci (Kreutz) (Križevci), Croatia |
| 2 Sep | 76.7 | Died | Henri-Louis-René Des Nos † | Bishop of Verdun, France |
| 10 Sep | 83.7 | Selected | Michael Fadel † | Patriarch of Antiochia {Antioch} (Maronite), Lebanon |
| 12 Sep | 62.0 | Died | Francesco Benincasa, S.J. † | Bishop of Carpi, Italy |
| Born | Gaetano Maria Cattani † | Modena | Bishop of Carpi, Italy |
| 14 Sep | | Born | Jean-Baptiste Auvergne † | Nimes, France | Titular Archbishop of Iconium |
| 18 Sep | | Born | Józef Michal Juszyński † | Bieliny | Bishop of Sandomierz, Poland |
| 20 Sep | 61.6 | Died | Joseph de Montfalcon du Cénole † | Archbishop of Tarentaise (Moûtiers-en-Tarentaise), France |
| 21 Sep | 47.2 | Ordained Bishop | Jean Labartette, M.E.P. † | Titular Bishop of Vera | Vicar Apostolic of Cochin {Cocincina}, Viet Nam |
| 41.7 | Ordained Bishop | Patrick MacMullan † | Titular Bishop of Ramata (Rama) | Bishop of Down and Connor, Ireland |
| 24.1 | Ordained Priest | Joaquim José Pacheco Sousa † | Priest | Bishop of Guarda, Portugal |
| 22 Sep | | Born | Michelangelo Orlandi † | Rocca Sigillina | Bishop of Pontremoli, Italy |
| 23 Sep | 48.4 | Confirmed | Wilhelm Florentin von Salm-Salm † | Archbishop of Praha {Prague}, Czech Republic |
| 18.3 | Appointed | Jan Nepomucen Kossakowski † | Coadjutor Bishop of Inflanty (Livonia)-Pilten, Poland | Bishop of Vilnius, Lithuania |
| 18.3 | Appointed | Jan Nepomucen Kossakowski † | Titular Bishop of Loryma | Bishop of Vilnius, Lithuania |
| 37.6 | Appointed | Lorenzo Litta † | Titular Archbishop of Thebae | Cardinal, Official of the Roman Curia - Other |
| 56.4 | Appointed | Juan Félix de Villegas † | Archbishop of Guatemala |
| 27 Sep | 77.5 | Died | Michel Conseil † | Bishop of Chambéry, France |
| 28 Sep | | Born | Denis-Auguste Affre † | Saint-Rome-de-Tarn | Archbishop of Paris, France |
| Oct | 40.1 | Died | Dominic Laurence Graessl, S.J. † | Priest of Society of Jesus |
| 6 Oct | 37.6 | Ordained Bishop | Lorenzo Litta † | Titular Archbishop of Thebae | Cardinal, Official of the Roman Curia - Other |
| 11 Oct | 78.7 | Died | Raniero Finocchietti † | Cardinal, Cardinal-Deacon of Sant’Agata de’ Goti |
| 12 Oct | 64.5 | Died | Jean-Charles-Vincent-Gaspar-Constantin-Antoine Giovio † | Archbishop of Avignon, France |
| 26 Oct | 86.9 | Died | Albert-Simon d’Aigneville de Millancourt † | Auxiliary Bishop of Cambrai, France |
| Born | Franz Xaver Kuttnar † | Schahmannstal | Bishop of Lavant, Slovenia |
| 31 Oct | 77.8 | Died | Dionys von Rost † | Bishop of Chur, Switzerland |
| Nov | 65.9 | Died | José Constancio Andino † | Bishop of Osma, Spain |
| 68.8 | Resigned | Martinus Chyczewski † | Auxiliary Bishop of Włocławek (Kujawy, Kalisze), Poland | Auxiliary Bishop Emeritus |
| 3 Nov | | Born | Michael Franciscus Buttigieg † | Nadar | Bishop of Gozo, Malta |
| 7 Nov | 66.2 | Resigned | Johann Baptist Joseph Gobel † | Auxiliary Bishop of Basel, Switzerland | Auxiliary Bishop Emeritus |
| 66.2 | Resigned | Johann Baptist Joseph Gobel † | Titular Bishop of Lydda | Auxiliary Bishop Emeritus of Basel, Switzerland |
| 10 Nov | 71.5 | Ordained Bishop | Agustín Vázquez Varela, O. Cist. † | Bishop of Solsona, Spain |
| 13 Nov | 65.4 | Ordained Bishop | Juan Francisco Armada Araujo † | Bishop of Huesca, Spain |
| 14 Nov | 73.0 | Died | Pietro Domenico Scoppa † | Bishop of Gerace, Italy |
| 16 Nov | | Born | Juan José Biec Belio † | Angües | Bishop of Jaca, Spain |
| 21 Nov | | Born | Manuel Martins Manso † | Bemposta | Bishop of Guarda, Portugal |
| 23 Nov | 62.4 | Resigned | Francisco Antonio Pablo Sieni Flannings, O.F.M. Cap. † | Auxiliary Bishop of San Cristobal de la Habana, Cuba | Auxiliary Bishop Emeritus of San Cristobal de la Habana, Cuba |
| 24 Nov | 38.2 | Ordained Bishop | Joaquín de Osés y Alzúa y Caparacio † | Bishop of Santiago de Cuba | Archbishop of Santiago de Cuba |
| 30 Nov | 23.0 | Ordained Priest | Francesco Saverio d’Urso † | Priest | Bishop of Ugento, Italy |
| 4 Dec | 69.3 | Died | Marcantonio Colonna (Jr.) † | Cardinal, Cardinal-Bishop of Palestrina |
| 54.7 | Died | Franc Jožef Mikolič (Mikolitsch) † | Auxiliary Bishop of Ljubljana, Slovenia |
| 8 Dec | 40.3 | Appointed | Dominic Laurence Graessl, S.J. † | Coadjutor Bishop of Baltimore, Maryland, USA | Priest of Society of Jesus |
| 40.3 | Appointed | Dominic Laurence Graessl, S.J. † | Titular Bishop of Samosata | Priest of Society of Jesus |
| 12 Dec | 56.6 | Died | Joseph Ernest Gandolph von Kuenburg † | Bishop of Lavant, Slovenia |
| 14 Dec | 53.0 | Resigned | Petrus Alexander Samson Toczylowski † | Auxiliary Bishop of Vilnius, Lithuania |
| 21 Dec | 24.1 | Ordained Priest | Francesco Colangelo, C.O. † | Priest of Confederation of Oratorians of St. Philip Neri | Bishop of Castellammare di Stabia, Italy |
| 24.0 | Ordained Priest | Carlo Domenico Ferrari † | Priest of Order of Friars Preachers | Bishop of Brescia, Italy |
| 22.9 | Ordained Priest | Roman Sebastian (Franz Xaver) Zängerle, O.S.B. † | Priest of Order of Saint Benedict | Bishop of Seckau, Austria |
| 25 Dec | | Born | Andreas Charvaz † | Hautecour | Archbishop Emeritus of Genova, Italy |
| 30 Dec | 67.5 | Died | Alexander Maria Calefati † | Bishop of Oria, Italy |
| 31 Dec | | Born | Jean-Jacques-Marie-Antoine Guerrin † | Vesoul | Bishop of Langres, France |