| Date | Age | Event | Bishop | Title | Current Title |
| 4 Oct | 49.4 | Ordained Bishop | Johann Evangelist Haller † | Titular Bishop of Adraa | Cardinal, Archbishop of Salzburg, Austria |
| 47.4 | Appointed | Giovanni Timoleone Raimondi, P.I.M.E. † | Vicar Apostolic of Hong Kong [Xianggang], China |
| 7 Oct | | Born | Pierre Feghali † | | Titular Bishop of Epiphania in Syria |
| 92.0 | Died | Karel Boromejský Hanl z Kirchtreu † | Bishop of Hradec Králové, Czechia |
| 9 Oct | | Born | Daniel James Gercke † | | Bishop Emeritus of Tucson, Arizona, USA |
| 10 Oct | 45.7 | Appointed | Edward Gilpin Bagshawe, C.O. † | Bishop of Nottingham, England, Great Britain | Bishop Emeritus |
| 56.8 | Appointed | Angelo Bianchi † | Titular Archbishop of Myra | Cardinal, Cardinal-Bishop of Palestrina, Italy |
| Born | Dionýz Njaradi † | | Bishop of Križevci (Kreutz) (Križevci), Croatia |
| 12 Oct | 55.4 | Died | Francis Patrick McFarland † | Bishop of Hartford, Connecticut, USA |
| 18 Oct | 17.7 | Professed | Eugen Notz, O. Cist. † | Member of Order of Cistercians | Abbot of Wettingen-Mehrerau, Austria |
| 52.7 | Ordained Bishop | Antoine Racine † | Bishop of Sherbrooke, Québec, Canada |
| 20 Oct | | Born | Anselmo Rizzi † | | Bishop of Adria, Italy |
| 21 Oct | | Born | Stanisław Kostka Łukomski † | | Bishop of Łomża, Poland |
| 22 Oct | | Born | Salvator Peter Walleser, O.F.M. Cap. † | | Vicar Apostolic of Tsinchow [Tianshui], China |
| 23 Oct | 50.3 | Appointed | Jaak Bax, C.I.C.M. † | Vicar Apostolic of Mongolia, China | Vicar Apostolic of Central Mongolia {Mongolia Centrale}, China |
| 50.3 | Appointed | Jaak Bax, C.I.C.M. † | Titular Bishop of Adrasus | Vicar Apostolic of Central Mongolia {Mongolia Centrale}, China |
| 24 Oct | 22.7 | Ordained Priest | Léonce Bridoux, M. Afr. † | Priest of Missionaries of Africa (White Fathers) | Vicar Apostolic of Tanganyika, Tanzania |
| 22.7 | Ordained Priest | Anatole-Joseph Toulotte, M. Afr. † | Priest of Missionaries of Africa (White Fathers) | Vicar Apostolic Emeritus of Sahara and Sudan |
| 27 Oct | | Born | Šimon Bárta † | | Bishop of České Budĕjovice {Budweis}, Czechia |
| 53.2 | Died | Giovacchino Limberti † | Archbishop of Firenze {Florence}, Italy |
| 28 Oct | 32.9 | Ordained Bishop | Joseph-Thomas Duhamel † | Bishop of Ottawa, Ontario, Canada | Archbishop of Ottawa, Ontario, Canada |
| 59.3 | Ordained Bishop | John McCarthy † | Bishop of Cloyne, Ireland |
| 23.7 | Ordained Priest | Luca Pappafava † | Priest of Hvar (Lesina), Croatia | Bishop of Hvar (-Brac e Vis), Croatia |
| Born | Claudio María Volio y Jiménez † | | Bishop Emeritus of Santa Rosa de Copán, Honduras |
| Nov | 49.9 | Incardinated | Giovanni Battista Tescari † | Priest of Parma, Italy | Bishop of Borgo San Donnino, Italy |
| 1 Nov | 56.9 | Ordained Bishop | Angelo Bianchi † | Titular Archbishop of Myra | Cardinal, Cardinal-Bishop of Palestrina, Italy |
| 2 Nov | | Born | Francesco Sidoli † | | Archbishop of Genova, Italy |
| 5 Nov | 61.1 | Died | David William Bacon † | Bishop of Portland, Maine, USA |
| 7 Nov | 58.8 | Died | José Luis Alves Feijo, O.SS.T. † | Bishop of Bragança e Miranda, Portugal |
| 8 Nov | 23.0 | Ordained Priest | Carlos de Jesús Mejía y Laguna, C.M. † | Priest of Congregation of the Mission | Bishop Emeritus of Tehuantepec, Oaxaca, México |
| 9 Nov | 61.8 | Died | Fabián Sebastián Arenzana y Magdaleno † | Bishop of Calahorra y La Calzada, Spain |
| 63.2 | Died | Félix-Pierre Fruchaud † | Archbishop of Tours, France |
| Born | Teodoro Gordaliza y Sánchez, O.P. † | | Vicar Apostolic of Bac Ninh, Viet Nam |
| 81.1 | Died | Michelangelo Orlandi † | Bishop of Pontremoli, Italy |
| 10 Nov | | Born | Giuseppe Vizzini † | | Bishop of Noto, Italy |
| 12 Nov | 45.8 | Ordained Bishop | Edward Gilpin Bagshawe, C.O. † | Bishop of Nottingham, England, Great Britain | Bishop Emeritus |
| 13 Nov | 84.2 | Selected | José Domingo Armestar Espinoza de los Monteros † | Bishop of Trujillo, Peru |
| 56.9 | Appointed | Angelo Bianchi † | Apostolic Nuncio to Bavaria | Cardinal, Cardinal-Bishop of Palestrina, Italy |
| 57.3 | Selected | Juan José de Polo Valenzuela † | Bishop of Ayacucho o Huamanga (Guamanga), Peru |
| 56.1 | Appointed | Leopoldo Angelo Santanchè, O.F.M. Ref. † | Vicar Apostolic of Constantinople, Turkey | Bishop of Fabriano e Matelica, Italy |
| 15 Nov | 22.5 | Ordained Priest | Domenico Bianconi † | Priest | Bishop of Ferentino, Italy |
| Born | Leopoldo Lara y Torres † | | Bishop Emeritus of Tacámbaro, Michoacán, México |
| 22.5 | Ordained Priest | Sebastião Leite de Vasconcellos † | Priest of Porto, Portugal | Bishop Emeritus of Beja, Portugal |
| 34.1 | Ordained Priest | Juan Buenaventura Ortiz † | Priest | Bishop of Popayán, Colombia |
| 17 Nov | 64.0 | Appointed | João Crisóstomo de Amorim Pessoa, O.F.M. Ref. † | Coadjutor Archbishop of Braga, Portugal | Archbishop Emeritus |
| 49.2 | Selected | Jean-Émile Fonteneau † | Bishop of Agen, France | Archbishop of Albi, France |
| 50.0 | Selected | Benoît-Marie Langénieux † | Cardinal, Archbishop of Reims, France |
| 37.1 | Appointed | Aires de Ornelas de Vasconcelos † | Archbishop of Goa, India |
| 47.5 | Appointed | Giovanni Timoleone Raimondi, P.I.M.E. † | Titular Bishop of Achantus | Vicar Apostolic of Hong Kong [Xianggang], China |
| 18 Nov | 22.4 | Ordained Priest | János Csernoch † | Priest of Esztergom, Hungary | Cardinal, Archbishop |
| 40.3 | Succeeded | Louis Mary (Michael) Fink, O.S.B. † | Vicar Apostolic of Kansas, USA | Bishop of Leavenworth, Kansas, USA |
| 59.1 | Resigned | John Baptiste Miège, S.J. † | Vicar Apostolic of Kansas, USA | Vicar Apostolic Emeritus |
| 22 Nov | 57.3 | Died | Ignazio Carlo Vittore Papardo del Parco, C.R. † | Bishop of Patti, Italy |
| 47.5 | Ordained Bishop | Giovanni Timoleone Raimondi, P.I.M.E. † | Titular Bishop of Achantus | Vicar Apostolic of Hong Kong [Xianggang], China |
| 65.9 | Died | Antonio Rossi Vaccari † | Titular Archbishop of Colossae |
| 25 Nov | 33.5 | Selected | Victor Mihaly de Apşa † | Bishop of Lugoj (Romanian), Romania | Archbishop of Făgăraş şi Alba Iulia (Romanian), Romania |
| 48.5 | Selected | Ivan Pasteliy (János Pásztélyi) Kovach (Kovács) † | Bishop of Mukachevo (Munkács) (Ruthenian), Ukraine |
| 30 Nov | 23.7 | Ordained Priest | Claude Bardel † | Priest | Bishop of Sées {Séez}, France |
| 68.5 | Selected | Charles-Théodore Colet † | Archbishop of Tours, France |
| 48.8 | Ordained Bishop | Charles-Constant Jolivet, O.M.I. † | Titular Bishop of Belline | Vicar Apostolic of Natal, South Africa |
| 1 Dec | | Born | John Joseph Cantwell † | | Archbishop of Los Angeles, California, USA |
| 4 Dec | 61.1 | Selected | César-Victor-Ange-Jean-Baptiste Jourdan † | Bishop of Tarbes, France |
| 8 Dec | 50.9 | Ordained Bishop | Dominic Manucy † | Titular Bishop of Dulma | Vicar Apostolic of Brownsville, Texas, USA |
| 50.0 | Ordained Bishop | Anthony Dominic Ambrose Pellicer † | Bishop of San Antonio, Texas, USA |
| 9 Dec | | Born | Joseph-Jean-Baptiste Hallé † | | Vicar Apostolic Emeritus of Northern Ontario (Ontario-Nord), Canada |
| 11 Dec | | Born | José Manuel Dámaso Rúiz y Rodríguez † | | Archbishop of San Cristobal de la Habana, Cuba |
| 12 Dec | 59.9 | Died | Justo Alfonso Aguilar, O.P. † | Coadjutor Vicar Apostolic Emeritus of Fo-Kien, China |
| 14 Dec | | Born | Ignace-Marie Le Ruzic † | | Bishop Emeritus of Les Cayes, Haïti |
| Born | François-Jean-Marie Serrand † | | Bishop of Saint-Brieuc (-Tréguier), France |
| 17 Dec | 23.3 | Professed | Jules Bruguière (Brughiero), C.M. † | Member of Congregation of the Mission | Vicar Apostolic of Southwestern Chi-Li {Ce-Li Meridio-Occidentale}, China |
| 19 Dec | 22.8 | Ordained Deacon | Eugène-Marie-Joseph Allys, M.E.P. † | Deacon of La Société des Missions Etrangères | Vicar Apostolic Emeritus of Huê, Viet Nam |
| 22.2 | Ordained Deacon | Alexandre Berlioz, M.E.P. † | Deacon of La Société des Missions Etrangères | Bishop Emeritus of Hakodaté, Japan |
| 27.7 | Ordained Deacon | Marie-Charles-Alfred de Cormont † | Deacon of Paris, France | Bishop Emeritus of Aire et Dax, France |
| 43.4 | Ordained Priest | Alfred Allen Paul Curtis † | Priest of Baltimore, Maryland, USA | Bishop Emeritus of Wilmington, Delaware, USA |
| 22.8 | Ordained Priest | Eduardo Duarte e Silva † | Priest of São Sebastião do Rio de Janeiro, Brazil | Bishop Emeritus of Uberaba, Brazil |
| 23.0 | Ordained Priest | Felix von Hartmann † | Priest of Münster, Germany | Cardinal, Archbishop of Köln {Cologne}, Germany |
| 23.4 | Ordained Priest | Paul-Emile-Marie-Joseph Henry † | Priest | Bishop of Grenoble, France |
| Born | François-Arsène-Jean-Marie-Eugène Lemasle, M.E.P. † | | Vicar Apostolic of Huê, Viet Nam |
| 23.6 | Ordained Priest | Raffaele Rossi † | Priest | Archbishop of Acerenza e Matera, Italy |
| 25.1 | Ordained Priest | Antonino Sardi † | Priest | Bishop Emeritus of Anagni, Italy |
| 22.6 | Ordained Priest | Domenico Taccone-Gallucci † | Priest | Bishop Emeritus of Nicotera e Tropea, Italy |
| 20 Dec | 45.2 | Installed | Michael O’Connor † | Bishop of Ballarat, Australia |
| 21 Dec | 84.3 | Confirmed | José Domingo Armestar Espinoza de los Monteros † | Bishop of Trujillo, Peru |
| 44.3 | Appointed | Giovanni Battista Bongiorni † | Bishop of Trapani, Italy | Bishop Emeritus of Caltagirone, Italy |
| 40.8 | Appointed | Eugenio Cecconi † | Archbishop of Firenze {Florence}, Italy |
| 68.6 | Confirmed | Charles-Théodore Colet † | Archbishop of Tours, France |
| 47.9 | Appointed | Antonio Maria Curcio † | Coadjutor Bishop of Oppido Mamertina, Italy | Bishop |
| 47.9 | Appointed | Antonio Maria Curcio † | Titular Bishop of Alalis | Bishop of Oppido Mamertina, Italy |
| 37.4 | Appointed | Bl. Pio Alberto del Corona, O.P. † | Coadjutor Bishop of San Miniato, Italy | Bishop Emeritus |
| 37.4 | Appointed | Bl. Pio Alberto del Corona, O.P. † | Titular Bishop of Draso | Bishop Emeritus of San Miniato, Italy |
| 52.8 | Appointed | Luigi Barbato Pasca di Magliano † | Coadjutor Bishop of Alife, Italy | Bishop |
| 52.8 | Appointed | Luigi Barbato Pasca di Magliano † | Titular Bishop of Sinopoli | Bishop of Alife, Italy |
| 49.3 | Confirmed | Jean-Émile Fonteneau † | Bishop of Agen, France | Archbishop of Albi, France |
| 61.2 | Confirmed | César-Victor-Ange-Jean-Baptiste Jourdan † | Bishop of Tarbes, France |
| 50.1 | Confirmed | Benoît-Marie Langénieux † | Cardinal, Archbishop of Reims, France |
| 49.8 | Appointed | Luigi Martucci † | Coadjutor Bishop of Penne e Atri, Italy | Bishop |
| 49.8 | Appointed | Luigi Martucci † | Titular Bishop of Sion | Bishop of Penne e Atri, Italy |
| 49.2 | Appointed | Raffaele Mezzetti † | Bishop of Livorno, Italy | Bishop Emeritus |
| 33.5 | Confirmed | Victor Mihaly de Apşa † | Bishop of Lugoj (Romanian), Romania | Archbishop of Făgăraş şi Alba Iulia (Romanian), Romania |
| 55.6 | Appointed | Serafino Milani, O.F.M. Obs. † | Archbishop (Personal Title) of Pontremoli, Italy | Bishop Emeritus |
| 49.8 | Confirmed | Hector-Albert Chaulet d’Outremont † | Bishop of Le Mans, France |
| 49.6 | Appointed | Angelo Rossi † | Bishop of Poggio Mirteto, Italy | Bishop of Tarquinia e Civitavecchia, Italy |
| 56.2 | Appointed | Ignace George Chelhot (Scelhot) † | Patriarch of Antiochia {Antioch} (Syrian), Lebanon |
| 56.2 | Appointed | Ignace George Chelhot (Scelhot) † | Bishop of Beirut {Bairut} (Syrian), Lebanon | Patriarch of Antiochia {Antioch} (Syrian), Lebanon |
| 54.4 | Appointed | Antonio Vincenzo Testa, O.F.M. Obs. † | Coadjutor Bishop of Segni, Italy | Bishop |
| 54.4 | Appointed | Antonio Vincenzo Testa, O.F.M. Obs. † | Titular Bishop of Botrys | Bishop of Segni, Italy |
| 22 Dec | 47.7 | Appointed | Luigi M. Cannavò (Canavo), O.F.M. Cap. † | Bishop of Crete {Candia}, Greece | Bishop Emeritus |
| 47.9 | Appointed | Antonio Maria Grasselli, O.F.M. Conv. † | Titular Archbishop of Colossae | Bishop Emeritus of Viterbo e Tuscania, Italy |
| 54.4 | Appointed | Ludovico Marangoni, O.F.M. Conv. † | Titular Bishop of Gortyna | Bishop of Chioggia, Italy |
| 24 Dec | 23.9 | Ordained Priest | Zenón Bustos y Ferreyra, O.F.M. † | Priest of Order of Friars Minor | Bishop of Córdoba (Tucumán), Argentina |
| 27 Dec | 47.9 | Ordained Bishop | Antonio Maria Curcio † | Titular Bishop of Alalis | Bishop of Oppido Mamertina, Italy |
| 52.8 | Ordained Bishop | Luigi Barbato Pasca di Magliano † | Titular Bishop of Sinopoli | Bishop of Alife, Italy |
| 49.8 | Ordained Bishop | Luigi Martucci † | Titular Bishop of Sion | Bishop of Penne e Atri, Italy |
| 50.0 | Installed | Anthony Dominic Ambrose Pellicer † | Bishop of San Antonio, Texas, USA |
| 60.1 | Ordained Bishop | Manuel Bernardo da Souza Ennes † | Bishop of Macau, China | Bishop of Portalegre, Portugal |
| 28 Dec | | Born | Inocéncio Lopez Santamaria, O. de M. † | | Prelate of Bom Jesus do Piauí, Piaui, Brazil |
| 73.8 | Died | Heinrich (Karl Josef) Schmid, O.S.B. † | Abbot of Maria Einsiedeln, Switzerland |
| 29 Dec | | Born | Ludovicus Lombard, O.F.M. Cap. † | | Prefect Emeritus of Djibouti (Gibuti) |
| 54.9 | Died | José Joaquín Isaza Ruiz † | Bishop of Medellín, Colombia |