| Date | Age | Event | Bishop | Title | Current Title |
| 3 Sep | | Born | Giovanni Giorgio Huber † | | Vicar Apostolic of Sweden |
| 9 Sep | 17.6 | Entered | Maximilien Ryłło, S.J. † | Member of Society of Jesus | Pro-Vicar Apostolic of Central Africa {Africa Centrale}, Sudan |
| 10 Sep | 50.4 | Ordained Bishop | Pierre-Alexandre Coupperie, S.M.M. † | Bishop of Baghdad, Iraq |
| 53.4 | Ordained Bishop | Juan Nepomuceno Gómez Durán † | Bishop of Santander, Spain | Bishop of Málaga, Spain |
| 13 Sep | 72.3 | Died | [Jean Antoine Maudru] † | Bishop Emeritus of [Vosges (Constitutional), France] |
| 14 Sep | 67.2 | Resigned | Jean-Claude Leblanc de Beaulieu † | Administrator of Soissons, France | Archbishop Emeritus of Arles, France |
| 15 Sep | 86.9 | Died | Giovanni Battista Quarantotti † | Prefect of the Apostolic Signatura | Cardinal, Prefect of the Congregation for Propagation of the Faith |
| 17 Sep | 62.9 | Died | Giovanni Francesco Compagnoni Marefoschi † | Apostolic Nuncio to Portugal |
| 35.7 | Ordained Bishop | Patrick McGettigan † | Bishop of Raphoe, Ireland |
| 18 Sep | 76.1 | Died | Giovanni Devoti † | Bishop Emeritus of Anagni, Italy |
| 19 Sep | 54.0 | Selected | Antonio Allué y Sesse † | Patriarch of West Indies, Spain |
| 21 Sep | 34.0 | Ordained Bishop | John England † | Bishop of Charleston, South Carolina, USA |
| 22 Sep | | Born | Martial-Guillaume-Marie Testard du Cosquer † | | Archbishop of Port-au-Prince, Haïti |
| 23 Sep | 22.9 | Ordained Priest | Crispino Agostinucci † | Priest | Bishop of Montefeltro, Italy |
| 23.8 | Ordained Priest | Karl Arnold-Obrist † | Priest of Basel, Switzerland | Bishop |
| 25.9 | Ordained Priest | José Joaquim de Azevedo e Moura † | Priest | Archbishop of Braga, Portugal |
| 22.5 | Ordained Priest | Giuseppe Maria Pietro Raffaele Castellani, O.E.S.A. † | Priest of Order of Hermits of St. Augustine | Titular Bishop of Porphyreon |
| 22.6 | Ordained Priest | Giuseppe Maria Galligari † | Priest | Bishop Emeritus of Narni, Italy |
| 27.7 | Ordained Priest | Thomas Kelly † | Priest of Armagh, Ireland | Archbishop |
| 23.6 | Ordained Priest | Etienne Jean François Le Herpeur † | Priest | Bishop of Martinique (Fort-de-France e Saint Pierre), Antilles |
| 22.5 | Ordained Priest | Bernardino Panzacchi, O.F.M. Obs. † | Priest of Order of Observant Friars Minor | Bishop of Terracina, Priverno e Sezze, Italy |
| 22.4 | Ordained Priest | Alessandro Domenico Varesini † | Priest | Archbishop of Sassari, Italy |
| 24 Sep | 72.7 | Ordained Bishop | Henry Conwell † | Bishop of Philadelphia, Pennsylvania, USA |
| 66.5 | Ordained Bishop | Jean-Marie Cliquet de Fontenay † | Archbishop of Bourges, France |
| 50.6 | Ordained Bishop | Guillaume-Aubin de Villèle † | Bishop of Soissons, France | Archbishop of Bourges, France |
| 29 Sep | 58.3 | Selected | Stefan (István) Csech (Cech) † | Bishop of Košice, Slovakia |
| 1 Oct | 58.8 | Ordained Bishop | Fernando Cano Almirante, O.F.M. Obs. † | Bishop of Antioquía, Colombia | Bishop of Islas Canarias {Canary Islands}, Spain |
| 44.7 | Ordained Bishop | Tomás Sala, O.P. † | Titular Bishop of Nilopolis | Coadjutor Vicar Apostolic of Fukien, Chekiang, and Kiangsi, China |
| 58.0 | Ordained Bishop | Antonio Sánchez Matas, O.F.M. Obs. † | Bishop of La Paz, Bolivia | Bishop Emeritus |
| 2 Oct | 53.2 | Confirmed | Giuseppe Vincenzo Airenti, O.P. † | Bishop of Savona, Italy | Archbishop of Genova, Italy |
| 45.9 | Confirmed | Carmelo Cordiviola † | Bishop of Albenga, Italy |
| 66.8 | Confirmed | Felice Levreri (Levrieri) † | Bishop of Ventimiglia, Italy |
| 47.9 | Confirmed | Ján Krstitel Ladislav Pyrker (Pryker), O. Cist. † | Patriarch of Venezia {Venice}, Italy | Archbishop of Eger, Hungary |
| 64.9 | Confirmed | Pietro Luigi Scarabelli, C.M. † | Bishop of Luni, Sarzana e Brugnato, Italy | Bishop Emeritus |
| 40.6 | Appointed | Francesco di Paola Villadecani † | Titular Bishop of Orthosias in Caria | Cardinal, Archbishop of Messina, Italy |
| 8 Oct | 53.3 | Ordained Bishop | Giuseppe Vincenzo Airenti, O.P. † | Bishop of Savona, Italy | Archbishop of Genova, Italy |
| 45.9 | Ordained Bishop | Carmelo Cordiviola † | Bishop of Albenga, Italy |
| 16 Oct | | Born | António José de Freitas Honorato † | | Archbishop of Braga, Portugal |
| 21 Oct | | Born | Zsigmond Kovács † | | Bishop of Veszprém, Hungary |
| 22 Oct | 19.6 | Professed | Heinrich (Karl Josef) Schmid, O.S.B. † | Member of Order of Saint Benedict | Abbot of Maria Einsiedeln, Switzerland |
| 27 Oct | | Born | Raffaele Ammirante † | | Bishop of Nocera de’ Pagani, Italy |
| 28 Oct | 66.6 | Installed | Jean-Marie Cliquet de Fontenay † | Archbishop of Bourges, France |
| 40.6 | Ordained Bishop | Francesco di Paola Villadecani † | Titular Bishop of Orthosias in Caria | Cardinal, Archbishop of Messina, Italy |
| 29 Oct | 36.8 | Ordained Deacon | Antonio Mantecón y Ibáñez † | Deacon of Antequera, Oaxaca, México | Bishop |
| Born | István Pankovics † | | Bishop of Mukachevo (Munkács) (Ruthenian), Ukraine |
| 30 Oct | | Born | Peter Funder † | | Bishop of Gurk, Austria |
| Born | Anastasio Laterza, O. Carm. † | | Bishop of Boiano, Italy |
| 1 Nov | | Born | François-Eugène Lions, M.E.P. † | | Vicar Apostolic of Kuiceu (Kweichow), China |
| 2 Nov | | Born | Elia Bianchi † | | Auxiliary Bishop of Ostia (-Velletri), Italy |
| 3 Nov | | Born | Anton Josef Gruscha † | | Cardinal, Archbishop of Wien {Vienna}, Austria |
| 4 Nov | 17.0 | Professed | Bernardino Trionfetti, O.F.M. Obs. † | Member of Order of Observant Friars Minor | Bishop Emeritus of Terracina, Priverno e Sezze, Italy |
| 5 Nov | 64.1 | Ordained Bishop | János Benyovszky † | Titular Bishop of Lystra | Auxiliary Bishop of Esztergom, Hungary |
| 52.3 | Ordained Bishop | Peter de Ürményi † | Titular Bishop of Corycus | Auxiliary Bishop of Esztergom, Hungary |
| 8 Nov | | Born | Giuseppe Maria Cotellessa † | | Bishop of Lucera, Italy |
| 11 Nov | | Born | John Kilduff † | | Bishop of Ardagh (and Clonmacnois), Ireland |
| 12 Nov | 26.2 | Ordained Priest | Vasile Erdély † | Priest | Bishop of Oradea Mare {Gran Varadino} (Romanian), Romania |
| 57.6 | Ordained Bishop | Vicente da Soledade e Castro, O.S.B. † | Archbishop of São Salvador da Bahia, Brazil |
| 14 Nov | | Born | Jean-Dominique Barbero, P.I.M.E. † | | Vicar Apostolic of Hyderabad, India |
| 20 Nov | | Born | Daniel McCarthy † | | Bishop of Kerry (o Ardfert) e Aghadoe, Ireland |
| 21 Nov | 49.6 | Selected | Modesto Farina † | Bishop of Padova {Padua}, Italy |
| 25 Nov | | Born | José María de Jesús Díez de Sollano y Dávalos † | | Bishop of León, Guanajuato, México |
| 26 Nov | 56.0 | Ceased | Adolphus Louis Barth de Walbach † | Administrator of Philadelphia, Pennsylvania, USA | Former Bishop-Elect |
| 72.9 | Installed | Henry Conwell † | Bishop of Philadelphia, Pennsylvania, USA |
| 29 Nov | 90.8 | Died | François Bareau de Girac † | Bishop Emeritus of Rennes, France |
| 67.9 | Died | Edmund Burke † | Vicar Apostolic of Nova Scotia, Canada |
| 1 Dec | 78.1 | Died | José Jiménez † | Bishop of Cartagena (en España) |
| 5 Dec | | Appointed | Lekë Summa † | Bishop of Sapë, Albania |
| 13 Dec | 80.7 | Died | Giovanni Thomas Vincenzo Tiberio d’Anisi, O.A.D. † | Bishop of Gallipoli, Italy |
| 67.4 | Died | Antonio Gómez Polanco, O.F.M. Obs. † | Bishop of Santa Marta, Colombia |
| 14 Dec | | Born | Bienvenido Monzón y Martín † | | Archbishop of Sevilla {Seville}, Spain |
| 15 Dec | 71.7 | Died | Thomas Bray † | Archbishop of Cashel (-Emly), Ireland |
| 69.9 | Succeeded | Patrick Everard † | Archbishop of Cashel (-Emly), Ireland |
| 17 Dec | 72.9 | Died | [Jean-Baptiste Dumouchel] † | Bishop Emeritus of [Gard (Constitutional), France] |
| 67.0 | Ordained Bishop | Felice Levreri (Levrieri) † | Bishop of Ventimiglia, Italy |
| 65.1 | Ordained Bishop | Pietro Luigi Scarabelli, C.M. † | Bishop of Luni, Sarzana e Brugnato, Italy | Bishop Emeritus |
| Born | János Zalka † | | Bishop of Győr (Raab), Hungary |
| 23 Dec | 24.7 | Ordained Priest | Jean-Irénée Depéry † | Priest | Bishop of Gap, France |
| 22.8 | Ordained Priest | Gregorio Maria Fistilli † | Priest of Rossano, Italy | Bishop Emeritus of Capaccio, Italy |
| 27.0 | Ordained Priest | Manuel Martins Manso † | Priest | Bishop of Guarda, Portugal |
| 26 Dec | 22.0 | Ordained Deacon | [Yosyf (Józef) Semashko (Siemaszko)] † | Deacon of Lutsk and Ostroh (ROC), Ukraine | Archbishop |
| 28 Dec | 22.5 | Ordained Priest | Jan Valerián Jirsík † | Priest | Bishop of České Budĕjovice {Budweis}, Czechia |
| 30 Dec | | Born | Beniamino Feuli † | | Archbishop of Manfredonia (e Vieste), Italy |
| 31 Dec | 34.2 | Installed | John England † | Bishop of Charleston, South Carolina, USA |
| 58.4 | Ordained Bishop | Alexander MacDonell † | Titular Bishop of Rhesaina | Bishop of Kingston, Ontario, Canada |