| Date | Age | Event | Bishop | Title | Current Title |
| 1 Jul | | Born | Augustin-François Baslé, M.E.P. † | La Guerche-de-Bretagne, France | Bishop of Mysore, India |
| 2 Jul | 25.0 | Ordained Priest | James Rogers † | Priest | Bishop Emeritus of Chatham, New Brunswick, Canada |
| 6 Jul | 34.6 | Ordained Bishop | Thomas Grant † | Bishop of Southwark, England, Great Britain |
| 8 Jul | 54.0 | Died | Bénigne-Urbain-Jean-Marie du Trousset d’Héricourt † | Bishop of Autun, France |
| 9 Jul | 50.8 | Selected | Jean-Pierre Mabile † | Bishop of Saint-Claude, France | Bishop of Versailles, France |
| 13 Jul | 44.6 | Ordained Bishop | Marie-Jean-François Allard, O.M.I. † | Titular Bishop of Sebaste in Palaestina | Vicar Apostolic Emeritus of Natal, South Africa |
| 20 Jul | | Born | Paul-Emile-Marie-Joseph Henry † | Blida, Algeria | Bishop of Grenoble, France |
| 82.9 | Died | Hugues-Robert-Jean-Charles de la Tour d’Auvergne-Lauraquais † | Cardinal, Bishop of Arras, France |
| 21 Jul | 66.4 | Died | Ferenc di Paolo de Nádasdy-Fogaras † | Archbishop of Kalocsa, Hungary |
| 22 Jul | 57.5 | Ordained Bishop | Alexandru Şterca Şuluţiu de Kerpenyes † | Archbishop of Făgăraş (Romanian), Romania | Archbishop of Făgăraş şi Alba Iulia (Romanian), Romania |
| 58.1 | Installed | Ladislav Zábojský † | Bishop of Spiš, Slovakia |
| 25 Jul | 46.9 | Ordained Bishop | George Errington † | Bishop of Plymouth, England, Great Britain | Coadjutor Archbishop Emeritus of Westminster, England, Great Britain |
| 51.8 | Ordained Bishop | William Turner † | Bishop of Salford, England, Great Britain |
| 27 Jul | 39.5 | Ordained Bishop | James Brown † | Bishop of Shrewsbury, England, Great Britain |
| 59.8 | Ordained Bishop | Thomas Burgess † | Bishop of Clifton, England, Great Britain |
| 30 Jul | | Born | Hugh Singleton † | Birkenhead | Bishop of Shrewsbury, England, Great Britain |
| 31 Jul | 48.5 | Died | Giuseppe Borghi, O.F.M. Cap. † | Bishop of Cortona, Italy |
| 53.4 | Selected | Józef Alojzy Pukalski † | Bishop of Tarnów, Poland |
| 1 Aug | 80.1 | Died | Antonio Maria Cadolini, B. † | Cardinal, Bishop of Ancona e Numana, Italy |
| 3 Aug | | Born | Esteban Sánchez de las Heras, O.P. † | Tudela, Spain | Vicar Apostolic of Amoy, China |
| 6 Aug | 30.1 | Ordained Bishop | Benjamin Evsevides † | Archbishop | Archbishop Emeritus |
| 7 Aug | | Died | Fernando Cuero y Caicedo, O.F.M. † | Bishop of Popayán, Colombia |
| 46.9 | Installed | George Errington † | Bishop of Plymouth, England, Great Britain | Coadjutor Archbishop Emeritus of Westminster, England, Great Britain |
| Born | Maximino Velasco, O.P. † | Casorvida, Spain | Vicar Apostolic of Northern Tonking {Tonkino Settentrionale}, Viêt Nam |
| 8 Aug | 57.4 | Appointed | Luigi Clementi † | Titular Archbishop of Damascus | Bishop of Rimini, Italy |
| 10 Aug | 26.6 | Ordained Priest | Jan Ignacy Korytkowski † | Priest of Gniezno-Poznań, Poland | Auxiliary Bishop-Elect |
| 11 Aug | 68.4 | Died | Gábor Balassa † | Bishop of Szombathely, Hungary |
| 12 Aug | | Born | Jules Bruguière (Brughiero), C.M. † | Nant, France | Vicar Apostolic of Southwestern Chi-Li {Ce-Li Meridio-Occidentale}, China |
| 14 Aug | 51.5 | Selected | Louis-Eugène Regnault † | Coadjutor Bishop of Chartres, France | Bishop |
| 19 Aug | 54.7 | Appointed | Francis Patrick Kenrick † | Archbishop of Baltimore, Maryland, USA |
| 20 Aug | 61.7 | Died | William Dollard (Dullard) † | Bishop of Saint John in America, New Brunswick, Canada |
| 22 Aug | 56.0 | Selected | Pierre-Louis Parisis † | Bishop of Arras, France | Bishop of Arras (-Boulogne-Saint-Omer), France |
| 78.2 | Died | Simón Rojas Guardiola y Hortoneda, O.S.B. † | Bishop of Urgell, Spain |
| 26 Aug | 57.4 | Appointed | Luigi Clementi † | Apostolic Delegate to Central America | Bishop of Rimini, Italy |
| 57.4 | Appointed | Luigi Clementi † | Apostolic Delegate to México | Bishop of Rimini, Italy |
| 27 Aug | 80.3 | Died | Matteo Franco † | Bishop of Catanzaro, Italy |
| 32.9 | Appointed | Joseph-Hyacinthe Sohier, M.E.P. † | Coadjutor Vicar Apostolic of Northern Cochin {Cocincina Settentrionale}, Viêt Nam | Vicar Apostolic |
| 32.9 | Appointed | Joseph-Hyacinthe Sohier, M.E.P. † | Titular Bishop of Gadara | Vicar Apostolic of Northern Cochin {Cocincina Settentrionale}, Viêt Nam |
| 32.9 | Ordained Bishop | Joseph-Hyacinthe Sohier, M.E.P. † | Titular Bishop of Gadara | Vicar Apostolic of Northern Cochin {Cocincina Settentrionale}, Viêt Nam |
| 31 Aug | 74.8 | Died | Joaquim de Nossa Senhora de Nazareth Oliveira e Abreu, O.F.M. † | Bishop of Coimbra, Portugal |
| 74.3 | Died | José Agustín de la Sierra Mercado † | Bishop of La Serena, Chile |
| 1 Sep | | Born | José Maria Salvador y Barrera † | Marchena | Archbishop of Valencia, Spain |
| 2 Sep | 81.2 | Died | Anton Alois Buchmayer † | Bishop of Sankt Pölten, Austria |
| 5 Sep | 53.0 | Appointed | Antonio Benedetto Antonucci † | Archbishop (Personal Title) of Ancona e Numana, Italy | Cardinal, Bishop |
| 48.3 | Appointed | Vincenzo Bisceglia † | Bishop of Termoli, Italy |
| 66.1 | Appointed | Juan Nepomuceno Cascallana Ordóñez † | Bishop of Málaga, Spain |
| 41.4 | Confirmed | Alessandro Csajàghy † | Bishop of Csanád, Hungary |
| 44.4 | Appointed | Manoel Joaquim da Silveira † | Bishop of São Luís do Maranhão, Brazil | Archbishop of São Salvador da Bahia, Brazil |
| 63.1 | Confirmed | Emerico Farkas † | Bishop of Székesfehérvár (Albareale), Hungary |
| 76.5 | Appointed | Francisco Xavier de Garaycoa Llaguno † | Archbishop of Quito, Ecuador |
| 47.9 | Confirmed | Miguel García Cuesta † | Cardinal, Archbishop of Santiago de Compostela, Spain |
| 72.0 | Appointed | Antolín García Lozano † | Bishop of Salamanca, Spain |
| 53.2 | Confirmed | Johann Valerian Jirsík † | Bishop of Ceské Budĕjovice {Budweis}, Czech Republic |
| 54.7 | Appointed | Domenico Lucciardi † | Archbishop (Personal Title) of Senigallia, Italy | Cardinal, Bishop |
| 51.0 | Confirmed | Jean-Pierre Mabile † | Bishop of Saint-Claude, France | Bishop of Versailles, France |
| 50.0 | Appointed | Mattei Augusto Mengacci † | Bishop of Civita Castellana, Orte e Gallese, Italy |
| 56.1 | Confirmed | Pierre-Louis Parisis † | Bishop of Arras, France | Bishop of Arras (-Boulogne-Saint-Omer), France |
| 71.4 | Appointed | Salvador José Reyes García de Lara † | Archbishop of Granada, Spain |
| 59.7 | Appointed | Miguel Salvá Munar † | Bishop of Mallorca, Spain |
| 45.3 | Appointed | Amadio Zangari † | Bishop of Macerata-Tolentino, Italy |
| 68.4 | Appointed | Pedro José Zarandia Endara † | Bishop of Huesca, Spain |
| 7 Sep | 45.5 | Ordained Bishop | François-Xavier Danicourt, C.M. † | Titular Bishop of Antiphellus | Vicar Apostolic of Chekiang {Ce-Kiam}, China |
| 24.1 | Ordained Priest | Ignazio Lobos † | Priest | Auxiliary Bishop of Przemyśl, Poland |
| 8 Sep | | Born | John Aloysius Maguire † | Glasgow | Archbishop of Glasgow, Scotland, Great Britain |
| Born | Antonio Maurovic † | Zagabria | Bishop of Senj (-Modruš), Croatia |
| 11 Sep | | Appointed | James Eustace Dupeyron, S.J. † | Coadjutor Vicar Apostolic of Giamaica o Jamaica, Jamaica, Antilles | Vicar Apostolic |
| 14 Sep | | Born | Adolph Manier † | Foug | Bishop of Belley, France |
| 18 Sep | | Born | Francesco Moretti † | Selciaia | Bishop Emeritus of Terni e Narni, Italy |
| 20 Sep | 22.2 | Ordained Priest | Filippo Allegro † | Priest | Bishop of Albenga, Italy |
| 22.5 | Ordained Priest | Giuseppe Apollonio † | Priest | Bishop of Treviso, Italy |
| 23.8 | Ordained Priest | Joseph-Christian-Ernest Bourret, C.O. † | Priest of Confederation of Oratorians of St. Philip Neri | Cardinal, Bishop of Rodez (-Vabres), France |
| 23.0 | Ordained Priest | James Vincent Cleary † | Priest | Archbishop of Kingston, Ontario, Canada |
| 24.5 | Ordained Priest | Pierre-Antoine-Paul Goux † | Priest | Bishop of Versailles, France |
| 21 Sep | 40.1 | Appointed | Colin Francis MacKinnon † | Bishop of Arichat, Nova Scotia, Canada | Bishop Emeritus |
| 28 Sep | 37.5 | Ordained Bishop | Giuseppe Matar † | Archbishop of Alep [Beroea, Halab] (Maronite), Syria |
| 29 Sep | 79.0 | Died | Paul-Thérèse-David d’Astros † | Cardinal, Archbishop of Toulouse (-Narbonne), France |
| 62.9 | Succeeded | Jean-Marie Mioland † | Archbishop of Toulouse (-Narbonne), France |
| 2 Oct | | Born | Célestin-Henri Joussard, O.M.I. † | Saint-Michel-de-Saint-Geoirs, France | Coadjutor Vicar Apostolic Emeritus of Grouard, Alberta, Canada |
| 3 Oct | 40.6 | Appointed | Joseph (José María Benito) Serra y Juliá, O.S.B. † | Apostolic Administrator of Perth, Australia | Coadjutor Bishop Emeritus |
| 4 Oct | 72.8 | Died | William Fraser (Frazer) † | Bishop of Arichat, Nova Scotia, Canada |
| 6 Oct | | Born | Josef Altenweisel † | Niederdorf | Bishop of Brixen {Bressanone}, Italy |
| 9 Oct | 54.8 | Installed | Francis Patrick Kenrick † | Archbishop of Baltimore, Maryland, USA |
| 15 Oct | 57.8 | Selected | Jean-Jacques-Marie-Antoine Guerrin † | Bishop of Langres, France |
| 50.3 | Selected | Jean-Paul-François-Marie-Félix Lyonnet † | Bishop of Saint-Flour, France | Archbishop of Albi, France |
| 49.6 | Selected | Frédéric-Gabriel-Marie-François de Marguerye † | Bishop of Autun, France | Bishop Emeritus of Autun (-Châlon-sur-Saône-Mâcon), France |
| 19 Oct | 53.3 | Ordained Bishop | Johann Valerian Jirsík † | Bishop of Ceské Budĕjovice {Budweis}, Czech Republic |
| 55.5 | Ordained Bishop | Jean Sarrabeyrouse (Sarebayrouze) † | Titular Bishop of Etalonia (Hetalonia) | Auxiliary Bishop of Ajaccio, France |
| 22 Oct | | Born | François-Auguste Labeuche † | Hyémondans | Bishop of Belley, France |
| 24 Oct | | Born | Lucien-Emile Mossard, M.E.P. † | Dampierre-sur-le-Doubs, France | Vicar Apostolic of Western Cochin {Cocincina Occidentale}, Viêt Nam |
| 26 Oct | 41.6 | Ordained Bishop | Alessandro Csajàghy † | Bishop of Csanád, Hungary |
| 30 Oct | 42.1 | Succeeded | Giuseppe Maria Alberti † | Bishop of Syros (e Milos), Greece |
| Died | Luigi Blancis da Ciriè, O.F.M. † | Bishop of Syros (e Milos), Greece |
| 50.8 | Selected | Manuel Bento Rodrigues da Silva † | Archbishop (Personal Title) of Coimbra, Portugal | Cardinal, Patriarch of Lisboa {Lisbon}, Portugal |
| 1 Nov | 63.2 | Ordained Bishop | Emerico Farkas † | Bishop of Székesfehérvár (Albareale), Hungary |
| 2 Nov | 22.7 | Ordained Priest | Josef Jan Hais † | Priest of Ceské Budĕjovice {Budweis}, Czech Republic | Bishop of Hradec Králové, Czech Republic |
| 3 Nov | | Born | Carlos de Jesús Mejía y Laguana, C.M. † | Jalapa | Bishop Emeritus of Tehuantepec, Oaxaca, México |
| 46.7 | Resigned | Giuseppe Novella, O.F.M. † | Coadjutor Vicar Apostolic of Houkouang, China | Coadjutor Vicar Apostolic Emeritus |
| 7 Nov | 51.5 | Ordained Bishop | Anselmo Llorente y La Fuente † | Bishop of San José de Costa Rica |
| 11 Nov | 51.1 | Ordained Bishop | Jean-Pierre Mabile † | Bishop of Saint-Claude, France | Bishop of Versailles, France |
| 12 Nov | 17.6 | Professed | Girolamo Maria Gotti, O.C.D. † | Member of Order of Discalced Carmelites | Cardinal, Official of the Roman Curia - Other |
| 16 Nov | 72.2 | Ordained Bishop | Antolín García Lozano † | Bishop of Salamanca, Spain |
| 50.2 | Ordained Bishop | Mattei Augusto Mengacci † | Bishop of Civita Castellana, Orte e Gallese, Italy |
| 19 Nov | | Died | Patrick Kennedy † | Bishop of Killaloe, Ireland |
| 71.9 | Died | Giovanni Battista Parretti † | Archbishop of Pisa, Italy |
| 21 Nov | | Born | Desiré-Félicien-François-Joseph Mercier † | Braine-l'Allend | Cardinal, Archbishop of Mechelen, Belgium |
| 22 Nov | 83.8 | Died | Antonio Posada Rubín de Celis † | Patriarch of West Indies, Spain |
| 23 Nov | 24.7 | Ordained Priest | Louis-Joseph-Jean-Baptiste-Léon Gouzot † | Priest of Périgueux, France | Archbishop of Auch, France |
| Born | Neil McNeil † | Hillsborough | Archbishop of Toronto, Ontario, Canada |
| 28.3 | Ordained Bishop | Alexander-Antonine Taché, O.M.I. † | Titular Bishop of Arathia | Archbishop of Saint-Boniface, Manitoba, Canada |
| 28 Nov | 48.3 | Appointed | Tomás Iglesias Bárcones † | Patriarch of West Indies, Spain |
| 29 Nov | | Born | Georg Schmid von Grüneck † | Surrhein | Bishop of Chur, Switzerland |
| 2 Dec | 56.7 | Selected | Ignaz Feigerle † | Bishop of Sankt Pölten, Austria |
| 60.1 | Installed | Joseph William Hendren, O.F.M. † | Bishop of Nottingham, England, Great Britain | Bishop Emeritus |
| Born | Eduard Baron von der Ropp † | Lixna | Archbishop of Mohilev, Belarus |
| 11 Dec | 78.7 | Died | Francesco-Maria Coppola † | Bishop of Oppido Mamertina, Italy |
| 14 Dec | 27.5 | Ordained Priest | Johann Baptist Zwerger † | Priest of Trento, Italy | Bishop of Seckau, Austria |
| 15 Dec | | Born | Felix von Hartmann † | Münster | Cardinal, Archbishop of Köln {Cologne}, Germany |
| 20 Dec | 23.2 | Ordained Priest | Carlo Bonaiuti (Bonajuti) † | Priest | Bishop of Pesaro, Italy |
| 22.9 | Ordained Priest | Francesco Cenci, O.F.M. Cap. † | Priest of Order of Friars Minor Capuchin | Titular Bishop of Apollonia |
| 25.6 | Ordained Priest | Pierre-Paul de Cuttoli † | Priest of Ajaccio, France | Bishop |
| 23.6 | Ordained Priest | Angelo Di Pietro † | Priest | Cardinal, Datary of the Apostolic Datary |
| 24.8 | Ordained Priest | Jacques-Théodore Lamarche † | Priest | Bishop of Quimper [Cornouailles](-Léon), France |
| 23.8 | Ordained Priest | Giustino Puletti † | Priest | Bishop of Sansepolcro (Borgo San Sepolcro), Italy |
| 26.8 | Ordained Priest | John Baptist (Jean-Baptiste) Salpointe † | Priest of Clermont, France | Archbishop Emeritus of Santa Fe, New Mexico, USA |
| 23.9 | Ordained Priest | Pierre-Jean-Joseph Soubiranne † | Priest | Bishop Emeritus of Belley, France |
| 25.6 | Ordained Priest | John Vertue (Virtue) † | Priest | Bishop of Portsmouth, England, Great Britain |
| 26 Dec | 70.9 | Died | Tomás Díez Bedoya, O.F.M. Cap. † | Auxiliary Bishop of Santiago de Compostela, Spain |