| Date | Age | Event | Bishop | Title | Current Title |
| 8 Jul | 64.4 | Died | Emmanuele Custo † | Bishop of Mazara del Vallo, Italy |
| 42.7 | Appointed | François-Marie-Edouard de Gualy † | Bishop of Saint-Flour, France | Archbishop of Albi, France |
| 10 Jul | 37.5 | Appointed | Michael Anthony Fleming, O.F.M. † | Coadjutor Vicar Apostolic of Newfoundland, Canada | Bishop of Newfoundland, Canada |
| 37.5 | Appointed | Michael Anthony Fleming, O.F.M. † | Titular Bishop of Carpasia | Bishop of Newfoundland, Canada |
| 13 Jul | 24.3 | Ordained Priest | Louis-Antoine-Augustin Pavy † | Priest | Bishop of Alger, Algeria |
| 14 Jul | 68.0 | Died | Ferdinando Mattei † | Bishop of Malta |
| 17 Jul | 54.2 | Appointed | Pietro Ostini † | Apostolic Nuncio to Brazil | Cardinal, Bishop Emeritus of Jesi, Italy |
| 21 Jul | 60.1 | Died | Pablo Hernandez, O.SS.T. † | Bishop of Ceuta, Spain |
| 26 Jul | 49.3 | Ordained Bishop | Josef Anton Salzmann † | Bishop of Basel, Switzerland |
| 27 Jul | | Born | Jean-Pierre Boyer † | Paray le Monial | Cardinal, Archbishop of Bourges, France |
| 56.3 | Appointed | Ugolino Carlini † | Bishop of Cortona, Italy |
| 72.2 | Elevated to Cardinal | Remigio Crescini, O.S.B. † | Cardinal, Bishop of Parma, Italy |
| 55.5 | Appointed | Giuseppe-Maria de Letto † | Bishop of Valva e Sulmona, Italy |
| 58.2 | Confirmed | Charles de Douhet d'Auzers † | Bishop of Nevers, France |
| 32.0 | Confirmed | Bénigne-Urbain-Jean-Marie du Trousset d'Héricourt † | Bishop of Autun, France |
| Confirmed | Juan Nepomuceno Gómez Durán † | Bishop of Málaga, Spain |
| 68.0 | Confirmed | Louis-Charles-Jean-Baptiste Michel † | Bishop of Fréjus, France |
| 60.7 | Elevated to Cardinal | Cesare Nembrini Pironi Gonzaga † | Cardinal, Bishop of Ancona e Numana, Italy |
| 61.4 | Confirmed | Godehard Joseph Osthaus † | Bishop of Hildesheim, Germany |
| 70.0 | Confirmed | Charles-Alexandre de Richery † | Archbishop of Aix (-Arles-Embrun), France |
| 55.8 | Appointed | José Maria Seguí, O.S.A. † | Auxiliary Bishop of Manila, Philippines | Archbishop |
| 55.8 | Appointed | José Maria Seguí, O.S.A. † | Titular Bishop of Hierocaesarea | Archbishop of Manila, Philippines |
| 28 Jul | | Died | Bernardo Rossi † | Bishop of San Severo, Italy |
| 31 Jul | | Born | Manuel Ignacio Riaño, O.P. † | Santander, Spain | Vicar Apostolic of Central Tonking {Tonkino Centrale}, Viêt Nam |
| Born | Francesco Vitagliano † | Napoli | Bishop of Nocera de’ Pagani, Italy |
| 4 Aug | | Born | José Ignacio Checa y Barbo † | Quito | Archbishop of Quito, Ecuador |
| 29.2 | Appointed | Leo Raymond De Neckère, C.M. † | Bishop of New Orleans, Louisiana, USA |
| 40.6 | Resigned | Joseph Rosati, C.M. † | Apostolic Administrator of New Orleans, Louisiana, USA | Bishop of Saint Louis, Missouri, USA |
| 25.1 | Ordained Priest | Gregor (Leonhard Andreas) von Scherr, O.S.B. † | Priest of Regensburg, Germany | Archbishop of München und Freising {Munich}, Germany |
| 5 Aug | | Born | Eugenio Cano † | Gergei | Bishop Emeritus of Bosa, Italy |
| 9 Aug | 54.5 | Ordained Bishop | José Talayero Royo, O.P. † | Bishop of Albarracin, Spain |
| 11 Aug | 70.5 | Appointed | Aeneas Bernard MacEachern † | Bishop of Charlottetown, Prince Edward Island, Canada |
| 13 Aug | 69.8 | Appointed | Placido Maria Tadini, O.C.D. † | Bishop of Biella, Italy | Cardinal, Archbishop of Genova, Italy |
| 15 Aug | 51.9 | Ordained Bishop | Mariano Talavera y Garcés † | Titular Bishop of Trecalae | Vicar Apostolic Emeritus of Santo Tomás de Guayana, Venezuela |
| 22 Aug | | Born | Raffaele Capone, C.SS.R. † | Salerno | Bishop of Muro Lucano, Italy |
| 60.6 | Died | Ioannes Baptistus Russin † | Bishop Emeritus of Syros e Milos, Greece |
| 23 Aug | 86.4 | Died | Johann Nepomuk Freiherr von Wolf † | Bishop of Regensburg, Germany |
| 28 Aug | | Born | Patrick Augustine Feehan † | Killenaule, Ireland | Archbishop of Chicago, Illinois, USA |
| 30 Aug | 63.8 | Appointed | Felipe González Abarca, O. de M. † | Bishop of Santander, Spain |
| 1 Sep | | Born | Ramón Fernández Piérola y Lopez de Luzuriaca † | Otiñano, Spain | Bishop of Vitoria, Spain |
| 5 Sep | | Born | Placido Maria Schiaffino, O.S.B. † | Genoa, Italy | Cardinal, Official of the Roman Curia - Other |
| 6 Sep | 58.3 | Ordained Bishop | Charles de Douhet d'Auzers † | Bishop of Nevers, France |
| 32.1 | Ordained Bishop | Bénigne-Urbain-Jean-Marie du Trousset d'Héricourt † | Bishop of Autun, France |
| 8 Sep | 74.1 | Died | Claude-Madeleine de La Myre-Mory † | Bishop Emeritus of Le Mans, France |
| 12 Sep | 70.1 | Installed | Charles-Alexandre de Richery † | Archbishop of Aix (-Arles-Embrun), France |
| 14 Sep | | Born | Evangelista Boni, O.F.M. Cap. † | Pistoia | Bishop of Corfù, Greece |
| 17 Sep | 82.3 | Died | Joaquín Javier Uriz Lasaga † | Bishop of Pamplona, Spain |
| 19 Sep | 24.2 | Ordained Priest | Louis-Marie-Olivier Epivent † | Priest | Bishop of Aire et Dax, France |
| 24.7 | Ordained Priest | Napoleon Joseph Perché † | Priest | Archbishop of New Orleans, Louisiana, USA |
| 26.4 | Ordained Priest | Joseph Ponsot, M.E.P. † | Priest of La Société des Missions Etrangères | Vicar Apostolic of Yünnan, China |
| 23.7 | Ordained Priest | William J. Quarter † | Priest of New York, New York, USA | Bishop of Chicago, Illinois, USA |
| 21 Sep | 69.7 | Died | Ildefonso Cañedo Vigil † | Archbishop of Burgos, Spain |
| 38.9 | Ordained Bishop | Joseph-Marie-Pélagie Havard, M.E.P. † | Titular Bishop of Castoria | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 68.2 | Ordained Bishop | Louis-Charles-Jean-Baptiste Michel † | Bishop of Fréjus, France |
| 79.6 | Died | Jozef Schedy † | Bishop of the unknown of Titular See |
| 26 Sep | | Born | Annibale Barabesi † | Tatti | Bishop of San Miniato, Italy |
| 28 Sep | 40.8 | Confirmed | Philippe-Marie-Thérèse-Guy Carron † | Bishop of Le Mans, France |
| 65.1 | Confirmed | Bernhard Galura † | Bishop of Brixen {Bressanone}, Italy |
| 63.9 | Confirmed | Felipe González Abarca, O. de M. † | Bishop of Santander, Spain |
| 65.9 | Appointed | Santos Gómez Marañón, O.S.A. † | Bishop of Cebu, Philippines |
| 42.9 | Confirmed | François-Marie-Edouard de Gualy † | Bishop of Saint-Flour, France | Archbishop of Albi, France |
| 67.2 | Confirmed | Jacques Raillon † | Bishop of Dijon, France | Archbishop of Aix (-Arles-Embrun), France |
| 65.4 | Confirmed | Pedro Rodriguez Miranda, O. de M. † | Bishop of Jaca, Spain |
| 29 Sep | 61.1 | Appointed | Joseph Vitus Burg † | Bishop of Mainz, Germany |
| 2 Oct | | Appointed | William O'Higgins † | Bishop of Ardagh (and Clonmacnois), Ireland |
| 4 Oct | | Born | Michael O’Connor † | Dublin, Ireland | Bishop of Ballarat, Australia |
| 61.6 | Ordained Bishop | Godehard Joseph Osthaus † | Bishop of Hildesheim, Germany |
| 6 Oct | | Born | Marcellino Berardi, O.C.D. † | Costa Rainero, Italy | Coadjutor Vicar Apostolic of Verapoly, India |
| 7 Oct | 62.8 | Appointed | Mariano Medrano y Cabrera † | Vicar Apostolic of Buenos Aires, Argentina | Bishop |
| 62.8 | Appointed | Mariano Medrano y Cabrera † | Titular Bishop of Aulon | Bishop of Buenos Aires, Argentina |
| 8 Oct | 50.5 | Died | Patrick Kelly † | Bishop of Waterford and Lismore, Ireland |
| Born | Luigi Poggi † | Cesena | Bishop of Rimini, Italy |
| 9 Oct | 77.6 | Died | Bernardo de la Inmaculada Concepción García Hernández (Fernandez Perdigon), O.F.M. † | Bishop of Nueva Caceres, Philippines |
| 11 Oct | 32.2 | Installed | Bénigne-Urbain-Jean-Marie du Trousset d'Héricourt † | Bishop of Autun, France |
| 15 Oct | | Born | Ferdinando Dulanski † | Strigonia | Bishop of Pécs, Hungary |
| 18 Oct | 70.0 | Ordained Bishop | Placido Maria Tadini, O.C.D. † | Bishop of Biella, Italy | Cardinal, Archbishop of Genova, Italy |
| 23 Oct | | Born | Paul-Félix-Arséne Billard † | Saint-Valèry-en-Caux | Bishop of Carcassonne, France |
| 77.9 | Succeeded | Johann Michael von Sailer † | Bishop of Regensburg, Germany |
| 25 Oct | 23.0 | Ordained Priest | Maximilian Joseph von Tarnóczy † | Priest of Salzburg, Austria | Cardinal, Archbishop |
| 27 Oct | | Born | Joseph-Simon Theurel, M.E.P. † | La Rochelle, France | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 28 Oct | 37.8 | Ordained Bishop | Michael Anthony Fleming, O.F.M. † | Titular Bishop of Carpasia | Bishop of Newfoundland, Canada |
| 29 Oct | 77.9 | Installed | Johann Michael von Sailer † | Bishop of Regensburg, Germany |
| 30 Oct | | Died | Camillo Alleva † | Archbishop of Salerno (-Acerno), Italy |
| 2 Nov | 87.8 | Died | Alexandre-François-Amédée-Adonis-Louis-Joseph de Lauzières de Thémines † | Bishop of Blois, France |
| 7 Nov | | Born | Melezio Fakkak † | Damasco | Archbishop of Beirut and Jbeil {Bairut e Gibail} (Melkite), Lebanon |
| 8 Nov | 40.9 | Ordained Bishop | Philippe-Marie-Thérèse-Guy Carron † | Bishop of Le Mans, France |
| 9 Nov | | Born | Antonio Saverio de Souza Monteiro † | Lisbon | Bishop of Beja, Portugal |
| 11 Nov | 87.4 | Died | René des Monstiers de Mérinville † | Bishop Emeritus of Chambéry, France |
| 15 Nov | 76.6 | Died | Giovanni Marchetti † | Titular Archbishop of Ancyra |
| 67.3 | Ordained Bishop | Jacques Raillon † | Bishop of Dijon, France | Archbishop of Aix (-Arles-Embrun), France |
| 39.6 | Ordained Bishop | Cornelius Richard Antoon van Bommel † | Bishop of Liège, Belgium |
| 17 Nov | | Born | Francesco Paolo Cardona Albini † | Benevento, Italy | Titular Bishop of Nemesi |
| 18 Nov | | Born | Jean-Alphonse Blanchet † | Châteauroux | Bishop of Gap, France |
| 19 Nov | 70.8 | Died | Federico Bencivenni, O.F.M. Cap. † | Bishop of Bertinoro, Italy |
| 23 Nov | | Born | Giuseppe David † | Mossul | Archbishop of Damas (Syrian), Syria |
| 29 Nov | | Born | Aloys Elloy, S. M. † | Servigny-les-Raville, France | Vicar Apostolic of Central Oceania, Tonga |
| 30 Nov | 43.1 | Ordained Bishop | François-Marie-Edouard de Gualy † | Bishop of Saint-Flour, France | Archbishop of Albi, France |
| Ordained Bishop | William O'Higgins † | Bishop of Ardagh (and Clonmacnois), Ireland |
| Dec | 65.1 | Appointed | Szymon Michal Józef Arnold Giedroyc † | Coadjutor Bishop of Samogizia o Tels (Zmudz), Lithuania | Bishop |
| 4 Dec | | Born | Stanislao Maria de Luca † | Bari | Bishop of San Marco e Bisignano, Italy |
| 6 Dec | 65.3 | Installed | Bernhard Galura † | Bishop of Brixen {Bressanone}, Italy |
| 76.4 | Died | Jan Pavel Woronicz † | Archbishop of Warszawa {Warsaw}, Poland |
| 7 Dec | | Born | Joseph von Schork † | Kleinheubach | Archbishop of Bamberg, Germany |
| 9 Dec | 65.9 | Appointed | Joaquín López Sicilia † | Archbishop of Burgos, Spain | Archbishop of Valencia, Spain |
| 10 Dec | 77.3 | Died | Anne-Louis-Henri de La Fare † | Cardinal, Archbishop of Sens (-Auxerre), France |
| 13 Dec | 65.2 | Ordained Bishop | Juan Antonio Lillo, O.F.M. † | Titular Bishop of Amathus in Cypro | Bishop of Nueva Caceres, Philippines |
| 16 Dec | | Born | Augusto Antonio Vicentini † | Aquila | Archbishop of L’Aquila, Italy |
| 18 Dec | | Appointed | Pietro Borzi † | Bishop of Sapë, Albania |
| 19 Dec | 55.1 | Appointed | Severo Leonardo Andriani Escofet † | Bishop of Pamplona, Spain |
| 25.0 | Ordained Priest | Jerónimo José de Mata, C.M. † | Priest of Congregation of the Mission | Bishop Emeritus of Macau, China |
| 22.7 | Ordained Priest | Florian-Jules-Félix Desprez † | Priest of Cambrai, France | Cardinal, Archbishop of Toulouse (-Narbonne), France |
| 20 Dec | | Born | Thomas McGivern † | Annachlone | Bishop of Dromore, Ireland |
| 87.9 | Died | Florido Pierleoni † | Bishop of Acquapendente, Italy |
| 21 Dec | 61.2 | Died | Teofil von Wolicki † | Archbishop of Gniezno-Poznań, Poland |
| 22 Dec | | Born | Eugenio Biffi, P.I.M.E. † | Milan, Italy | Bishop of Cartagena, Colombia |
| 21.1 | Ordained Priest | Jakub (Iacobus) Bosagi, C.A.M. † | Priest of Congregazione Mechitarista di Venezia | Abott Primate |
| 27 Dec | | Born | Francesco Malczynski † | Holubia | Bishop of Alessio (Alise), Albania |