| Date | Age | Event | Bishop | Title | Current Title |
| Sep | | Selected | Antonio Feliciano de Santa Rita Carvalho, O.S.B. † | Archbishop of Goa, India | Archbishop-Elect |
| 3 Sep | | Born | Sylwester Sembratowicz (Sembratovyc) † | | Cardinal, Archbishop of Lviv (Ukrainian), Ukraine |
| 5 Sep | 54.9 | Died | Ferdynand Maria von Chotek † | Archbishop of Olomouc, Czechia |
| 6 Sep | 22.9 | Ordained Deacon | Petar Dujam Maupas † | Deacon | Archbishop of Zadar (Zara), Croatia |
| 7 Sep | 42.9 | Died | Jean-Baptiste Auvergne † | Titular Archbishop of Iconium |
| Born | Remigio Guido Barbieri, O.S.B. † | | Vicar Apostolic of Gibraltar |
| 8 Sep | 22.9 | Ordained Priest | Petar Dujam Maupas † | Priest | Archbishop of Zadar (Zara), Croatia |
| 41.3 | Installed | Mellon Jolly † | Bishop of Sées {Séez}, France | Archbishop Emeritus of Sens (-Auxerre), France |
| 9 Sep | 48.4 | Appointed | Gaetano Baluffi † | Apostolic Internuncio to Colombia | Cardinal, Bishop of Imola, Italy |
| Born | Eugenio Clari † | | Bishop of Viterbo e Tuscania, Italy |
| 11 Sep | 64.4 | Ordained Bishop | Franz Ferdinand (Johann Franz) Fritz, O.S.B. † | Bishop of Hildesheim, Germany |
| 14 Sep | 84.5 | Died | Luigi Bottiglia Savoulx † | Cardinal, Prefect of the Apostolic Signatura |
| 24.0 | Professed | Charles-René Renou, M.E.P. † | Member of La Société des Missions Etrangčres | Prefect of Lhassa, China |
| 30.7 | Professed | Charles-Maria Saisson, O. Cart. † | Member of Carthusian Order | Minister General |
| 15 Sep | | Born | Arthur Grange Riddell † | | Bishop of Northampton, England, Great Britain |
| 18 Sep | 73.5 | Ordained Bishop | Pietro Gravina Luzzena † | Titular Bishop of Akka | Auxiliary Bishop of Catania, Italy |
| 49.1 | Ordained Bishop | Leopold Sedlnitzky Odrowąż von Choltitz † | Bishop of Wrocław (Breslau), Poland | Bishop Emeritus |
| 24 Sep | 22.8 | Ordained Priest | Manuel Teodoro del Valle Seoane † | Priest of Order of Friars Minor Capuchin | Archbishop Emeritus of Lima, Peru |
| 22.5 | Ordained Priest | Saverio Gerbino † | Priest | Bishop of Caltagirone, Italy |
| 22.9 | Ordained Priest | Gabriel Grioglio, O.F.M. Obs. † | Priest of Order of Observant Friars Minor | Vicar Apostolic Emeritus of Shansi {Scian-Si} (Chan-Si), China |
| 25.8 | Ordained Priest | Pier Francesco Meglia † | Priest | Cardinal, Apostolic Nuncio |
| 24.7 | Ordained Priest | Miguel Payá y Rico † | Priest of Valencia, Spain | Cardinal, Archbishop of Toledo, Spain |
| 25.9 | Ordained Priest | Jean-Marie Tissot, M.S.F.S. † | Priest of Missionaries of St. Francis de Sales d’Annecy | Bishop of Vizagapatnam, India |
| 26 Sep | 60.3 | Died | Joseph von Hohenzollern-Hechingen † | Bishop of Warmia (Ermland), Poland |
| Born | Edward Likowski † | | Archbishop of Gniezno e Poznań, Poland |
| 29 Sep | | Ordained Bishop | Lazare (Cyrille) Fasfous, B.S. † | Bishop of Bosra (Melkite Greek), Syria |
| 2 Oct | 22.5 | Ordained Priest | Antonio Sena † | Priest | Bishop of Ascoli Satriano e Cerignola, Italy |
| 22.5 | Ordained Priest | Domenico Turano † | Priest of Palermo, Italy | Bishop of Agrigento (Girgenti), Italy |
| 3 Oct | | Born | Francesco Baldassarri † | | Bishop of Imola, Italy |
| 40.3 | Succeeded | Clément Bonnand, M.E.P. † | Vicar Apostolic of Madurai and Coromandel Coast, India | Vicar Apostolic of Pondicherry, India |
| 72.7 | Died | Louis-Charles-Auguste Hébert, M.E.P. † | Vicar Apostolic of Madurai and Coromandel Coast, India |
| 9 Oct | 60.7 | Ordained Bishop | Tomás Diéguez y Florencia † | Bishop of Trujillo, Peru |
| 53.3 | Selected | Johann Peter von Richarz † | Bishop of Augsburg, Germany |
| 40.6 | Selected | Johannes von Geissel † | Bishop of Speyer, Germany | Cardinal, Archbishop of Köln {Cologne}, Germany |
| 10 Oct | | Born | Michele (Giuseppe) Carbone, O.F.M. Cap. † | | Prefect of Eritrea |
| 34.7 | Final Vows | Benoit Planchet, S.J. † | Priest of Society of Jesus | Apostolic Delegate to Mesopotamia, Kurdistan, and Lesser Armenia, Iraq |
| 11 Oct | 33.7 | Ordained Bishop | Athanase Toutoungi † | Bishop of Tripoli del Libano (Melkite Greek) |
| 15 Oct | 23.0 | Ordained Priest | Friedrich Egon von Fürstenberg † | Priest of Olomouc, Czechia | Cardinal, Archbishop |
| 16 Oct | 22.5 | Ordained Priest | Luigi Maria Aguilar, B. † | Priest of Clerics Regular of St. Paul | Archbishop of Brindisi, Italy |
| 19 Oct | 64.1 | Died | Justo de Santa María de Oro y Albarracín, O.P. † | Bishop of San Juan de Cuyo, Argentina |
| 23 Oct | | Ordained Priest | Athanase Khouzan † | Priest | Vicar Apostolic of Alexandria {Alessandria} (Coptic), Egypt |
| 43.1 | Ordained Priest | Jean-Aimé de Levezou de Vezins † | Priest of Bordeaux, France | Bishop of Agen, France |
| 21.0 | Entered | John Baptiste Mičge, S.J. † | Member of Society of Jesus | Vicar Apostolic Emeritus of Kansas, USA |
| 24 Oct | 22.1 | Ordained Deacon | István (tefan) Lipovniczky † | Deacon of Esztergom, Hungary | Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania |
| 23.1 | Ordained Deacon | János Simor † | Deacon of Székesfehérvár (Albareale), Hungary | Cardinal, Archbishop of Esztergom, Hungary |
| 25 Oct | | Born | Etienne-Marie Potron, O.F.M. Obs. † | | Titular Bishop of Ierichus |
| 27 Oct | 45.6 | Selected | Josip Schrott † | Bishop of Beograd (-Smederevo), Serbia |
| 28 Oct | 23.1 | Ordained Priest | János Simor † | Priest of Székesfehérvár (Albareale), Hungary | Cardinal, Archbishop of Esztergom, Hungary |
| 29 Oct | 22.0 | Ordained Deacon | Imre Szabó † | Deacon of Veszprém, Hungary | Bishop of Szombathely, Hungary |
| 1 Nov | | Born | Bonifacio (Karl) Osländer (Oslaender), O.S.B. † | | Abbot of San Paolo fuori le Mura, Italy |
| 2 Nov | 92.1 | Died | Giuseppe Capecelatro † | Archbishop Emeritus of Taranto, Italy |
| 3 Nov | | Born | Carlo Maria Borgognoni † | | Archbishop of Modena (e Nonantola), Italy |
| 8 Nov | 57.8 | Died | Francesco Iovinelli, C.M. † | Bishop of Bovino, Italy |
| 10 Nov | | Born | José Homobono Anaya y Gutiérrez † | | Bishop of Chilapa, Guerrero, México |
| 11 Nov | 76.6 | Died | Josef Ludwig Alois von Hommer † | Bishop of Trier, Germany |
| 12 Nov | 52.4 | Resigned | Giovanni Battista de Albertis † | Bishop of Ventimiglia, Italy | Bishop Emeritus |
| 19 Nov | 74.4 | Died | Antoine Rochaix † | Bishop of Tarentaise, France |
| 21 Nov | | Born | José Luis Cárcamo y Rodríguez † | | Bishop of San Salvador, El Salvador |
| 67.0 | Appointed | Stanisław Henryk Lubicz Choromański † | Archbishop of Warszawa {Warsaw}, Poland |
| 38.6 | Confirmed | Modesto (Luigi Eugenio) Contratto, O.F.M. Cap. † | Bishop of Acqui, Italy |
| 34.9 | Appointed | Gabriel della Genga Sermattei † | Cardinal-Priest of San Girolamo dei Croati | Cardinal, Prefect of the Congregation of Bishops and Regulars |
| 63.3 | Confirmed | Ignaz Anton Demeter † | Archbishop of Freiburg im Breisgau, Germany |
| 53.4 | Appointed | Luigi Frezza † | Cardinal-Priest of Sant’Onofrio | Cardinal, Secretary Emeritus of the Congregation for Extraordinary Ecclesiastical Affairs |
| 71.0 | Appointed | Franz Arnold Melchers † | Auxiliary Bishop of Münster, Germany |
| 71.0 | Appointed | Franz Arnold Melchers † | Titular Bishop of Hebron | Auxiliary Bishop of Münster, Germany |
| 56.4 | Appointed | Giovanni Tommaso Neuschel † | Bishop of Borgo San Donnino, Italy | Bishop Emeritus of Parma, Italy |
| 61.5 | Appointed | Pietro Ostini † | Cardinal-Priest of San Clemente | Cardinal, Prefect of the Congregation of the Council |
| 38.2 | Appointed | Costantino Patrizi Naro † | Cardinal-Priest of San Silvestro in Capite | Cardinal, Secretary of the Congregation for Universal Inquisition |
| 53.4 | Confirmed | Johann Peter von Richarz † | Bishop of Augsburg, Germany |
| 63.9 | Appointed | Aloisio San Vitale † | Bishop of Piacenza, Italy |
| 66.9 | Selected | Maximilian Joseph Gottfried Sommerau Beeckh † | Cardinal, Archbishop of Olomouc, Czechia |
| 52.8 | Appointed | Pawel Straszyński † | Bishop of Sejny o Sejna o Augustów, Poland |
| 64.5 | Appointed | José Jorge de Torres y Estans † | Bishop of Nueva Pamplona, Colombia |
| 55.7 | Appointed | Walenty Maciej Tomaszewski † | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 70.5 | Appointed | Pietro Giovanni Zanardi † | Bishop of Guastalla, Italy |
| 23 Nov | 69.7 | Died | Giuseppe Maria (Carlo) Velzi, O.P. † | Cardinal, Bishop of Corneto (Tarquinia) e Montefiascone, Italy |
| 25 Nov | | Born | Tommaso Gomes de Almeida † | | Bishop of Guarda, Portugal |
| 26 Nov | 59.6 | Died | Antonio Perchiacca † | Bishop of Trivento, Italy |
| 27 Nov | 69.9 | Succeeded | Abraham Kandilian (Candil) † | Archbishop of Mardin (Armenian), Turkey |
| 59.8 | Ordained Bishop | José Vicente de Unda † | Bishop of Mérida, Venezuela |
| 83.2 | Died | Joachim Tasbasian † | Archbishop of Mardin (Armenian), Turkey |
| 29 Nov | | Born | Ceslaus Hendricus Jacobus Reijnen (Heynen), O.P. † | | Vicar Apostolic of Curaçao, Netherlands Antilles, Antilles |
| 30 Nov | 59.9 | Ordained Bishop | Diego de Aranda y Carpinteiro † | Bishop of Guadalajara, Jalisco, México |
| 1 Dec | | Born | Eduard Herrmann (Hermann) † | | Auxiliary Bishop of Warmia (Ermland), Poland |
| 16.4 | Professed | Antonio Vincenzo Testa, O.F.M. Obs. † | Member of Order of Observant Friars Minor | Bishop of Segni, Italy |
| 3 Dec | | Born | Abraham Brownrigg, S.S.S. † | | Bishop of Ossory, Ireland |
| 4 Dec | 59.9 | Installed | Diego de Aranda y Carpinteiro † | Bishop of Guadalajara, Jalisco, México |
| 5 Dec | | Born | Louis Jolly, M.E.P. † | | Prefect Emeritus of Kuamsi (Kwangsi, Guangxi), China |
| Born | Vincenzo Vannutelli † | | Cardinal, Prefect of the Congregation of Ceremonies |
| 6 Dec | | Born | Jules Lepley, M.E.P. † | | Vicar Apostolic Emeritus of Southern Szechwan {Se-Ciuen Meridionale}, China |
| 7 Dec | 60.9 | Installed | Tomás Diéguez y Florencia † | Bishop of Trujillo, Peru |
| 10 Dec | | Born | Lorenzo Carlo Pampirio, O.P. † | | Archbishop of Vercelli, Italy |
| 11 Dec | 22.6 | Ordained Deacon | José Manuel Arroyo y Nińo † | Deacon of Caracas, Santiago de Venezuela | Bishop of Guayana, Venezuela |
| 23.6 | Ordained Priest | Giuseppe Valerga † | Priest | Patriarch of Jerusalem {Gerusalemme}, Palestine |
| 13 Dec | 24.3 | Ordained Priest | Jean-Baptiste-François (Odo) Pitra, O.S.B. † | Priest of Autun, France | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 14 Dec | 55.2 | Selected | Francesco Agnini † | Bishop of Luni, Sarzana e Brugnato, Italy |
| 17 Dec | 22.8 | Ordained Priest | Salvatore Giovanni Battista Bolognesi, C.O. † | Priest of Confederation of Oratorians of St. Philip Neri | Bishop of Belluno e Feltre, Italy |
| 22.6 | Ordained Priest | Pietro Carsana † | Priest | Bishop of Como, Italy |
| 23.6 | Ordained Priest | James Chadwick † | Priest of Northern District, England, Great Britain | Bishop of Hexham and Newcastle, England, Great Britain |
| 23.9 | Ordained Priest | Georges Darboy † | Priest | Archbishop of Paris, France |
| 22.5 | Ordained Priest | Celestino Matteo Fissore † | Priest | Archbishop of Vercelli, Italy |
| 24.0 | Ordained Priest | Aimé-Victor-François Guilbert † | Priest of Coutances, France | Cardinal, Archbishop of Bordeaux, France |
| 22.5 | Ordained Priest | Pietro Lasagni † | Priest | Cardinal, Official of the Roman Curia - Other |
| 22.5 | Ordained Priest | Giovanni Maria Majoli † | Priest | Bishop of Urbania e Sant’Angelo in Vado, Italy |
| 23.8 | Ordained Priest | François-Marie-Henri-Agathon Pellerin, M.E.P. † | Priest of La Société des Missions Etrangčres | Vicar Apostolic of Northern Cochin {Cocincina Settentrionale}, Viet Nam |
| 21 Dec | 24.3 | Ordained Priest | Joseph Projectus Machebeuf (Macheboeuf) † | Priest of Clermont, France | Bishop of Denver, Colorado, USA |
| 22 Dec | | Born | John Cani † | | Bishop of Rockhampton, Australia |
| 23 Dec | 31.9 | Ordained Bishop | Theodose Qayyoumgi (Kuomgi) † | Bishop of Saďda (Melkite Greek), Lebanon |
| 66.9 | Appointed | Vincent del Rosario, C.O. † | Vicar Apostolic of Ceylon, Sri Lanka |
| 66.9 | Appointed | Vincent del Rosario, C.O. † | Titular Bishop of Thaumacus | Vicar Apostolic of Ceylon, Sri Lanka |
| 27 Dec | | Born | Beniamino Cavicchioni † | | Cardinal, Prefect of the Congregation for Studies |
| 30 Dec | 57.4 | Selected | Nicolas-Augustin de la Croix d’Azolette † | Bishop of Gap, France | Archbishop Emeritus of Auch, France |
| 41.1 | Selected | François-Auguste-Ferdinand Donnet † | Cardinal, Archbishop of Bordeaux, France |
| 61.0 | Selected | Augustin-Jean Le Tourneur † | Bishop of Verdun, France |
| 76.8 | Died | Angelico Lorenzo Nicolas Méstria, O.F.M. Cap. † | Bishop of Ugento, Italy |