| Date | Age | Event | Bishop | Title | Current Title |
| 4 Sep | 39.9 | Ordained Bishop | Friedrich Egon von Fürstenberg † | Cardinal, Archbishop of Olomouc, Czechia |
| 7 Sep | 55.6 | Appointed | Jerome-Simon Sindjari (Kacha, Tiktik) † | Archbishop of Sehna (Chaldean), Iran | Archbishop Emeritus |
| 55.6 | Ordained Bishop | Jerome-Simon Sindjari (Kacha, Tiktik) † | Archbishop of Sehna (Chaldean), Iran | Archbishop Emeritus |
| 55.0 | Ordained Bishop | Jacobus Gerardus Schepers, C.Ss.R. † | Titular Bishop of Milopotamos | Vicar Apostolic of Dutch Guyana-Suriname, Antilles |
| 9 Sep | | Born | Hilarion (Johannes Baptist) Valentin, O.F.M. Cap. † | | Prefect Emeritus of Bettiah, India |
| 10 Sep | 57.8 | Selected | Juan José Arbolí y Acaso † | Bishop of Cádiz y Ceuta, Spain |
| 38.5 | Selected | Ottokar Maria von Attems † | Bishop of Seckau, Austria |
| 12 Sep | 60.2 | Appointed | Pedro Espinosa y Dávalos † | Bishop of Guadalajara, Jalisco, México | Archbishop of Guadalajara, Jalisco, México |
| 58.6 | Appointed | Gabriele Ferretti † | Cardinal-Bishop of Sabina | Cardinal, Major Penitentiary of the Apostolic Penitentiary |
| 37.5 | Confirmed | Théodore-Augustin Forcade, M.E.P. † | Bishop of Guadeloupe et Basse-Terre, Antilles | Archbishop of Aix (-Arles-Embrun), France |
| 53.8 | Confirmed | Heinrich Ernst Karl Förster † | Bishop of Wrocław (Breslau), Poland |
| 49.6 | Appointed | Emidio Foschini † | Bishop of Città della Pieve, Italy |
| 42.6 | Confirmed | Vincenzo Materozzi † | Bishop of Ruvo e Bitonto, Italy |
| 40.5 | Confirmed | Pedro Ruiz Zumaeta † | Bishop of Chachapoyas, Peru |
| 60.7 | Appointed | Giuseppe Maria Severa † | Bishop of Terni, Italy |
| 13 Sep | | Born | Pietro Monti † | | Bishop Emeritus of Tivoli, Italy |
| 16 Sep | | Born | Thomas-Paul-Henri Lemonnier † | | Bishop of Bayeux (-Lisieux), France |
| 18 Sep | 49.6 | Ordained Bishop | Emidio Foschini † | Bishop of Città della Pieve, Italy |
| 42.6 | Ordained Bishop | Vincenzo Materozzi † | Bishop of Ruvo e Bitonto, Italy |
| 21 Sep | 36.0 | Ordained Bishop | Richard Butler Roskell † | Bishop of Nottingham, England, Great Britain | Bishop Emeritus |
| 25.8 | Ordained Deacon | Andrija Marija Sterk † | Deacon | Bishop of Trieste e Capodistria (Trst i Koper), Italy |
| 22 Sep | 81.7 | Died | José Manuel Plaza de la Tejera, O.F.M. Obs. † | Bishop of Cuenca, Ecuador |
| 24 Sep | 23.5 | Ordained Priest | Vincenzo Addessi † | Priest of Gaeta, Italy | Bishop of Diano-Teggiano, Italy |
| 23.0 | Ordained Priest | François-Marie-Anatole de Rovérié de Cabrières † | Priest of Nîmes, France | Cardinal, Bishop of Montpellier (-Lodève-Béziers-Agde-Saint-Pons-de-Thomières), France |
| 24.7 | Ordained Priest | Egidio (Giovanni) Mauri, O.P. † | Priest of Order of Friars Preachers | Cardinal, Archbishop of Ferrara, Italy |
| 25.6 | Ordained Priest | Dominique Racine † | Priest | Bishop of Chicoutimi, Québec, Canada |
| 25.8 | Ordained Priest | Andrija Marija Sterk † | Priest | Bishop of Trieste e Capodistria (Trst i Koper), Italy |
| 24.1 | Ordained Priest | Francesco Vitagliano † | Priest | Bishop Emeritus of Nocera de’ Pagani, Italy |
| 25 Sep | 39.2 | Ordained Bishop | Alexander Goss † | Titular Bishop of Geras | Bishop of Liverpool, England, Great Britain |
| 27 Sep | 34.8 | Appointed | Ljudevit Ćurčija, O.F.M. Obs. † | Bishop of Lezhë {Lesh, Alessio}, Albania | Vicar Apostolic Emeritus of Egypt (Egitto), Egypt |
| 47.1 | Selected | Antonio Palau y Térmens † | Bishop of Vic, Spain | Bishop of Barcelona, Spain |
| 63.7 | Appointed | Giovanni Giorgio Topich, O.F.M. Obs. † | Bishop of Shkodrë (Scutari), Albania | Bishop Emeritus |
| 28 Sep | 45.3 | Appointed | Carlo Sacconi † | Apostolic Nuncio to France | Cardinal, Prefect of the Congregation of Ceremonies |
| Oct | 47.7 | Resigned | Napoléon François Libois, M.E.P. † | Prefect of Kouangtong (Kwangtung, Guangdong), China | Prefect Emeritus |
| 2 Oct | 48.7 | Ordained Bishop | Lorenzo Biancheri, C.M. † | Titular Bishop of Lagania | Vicar Apostolic of Abyssinia, Ethiopia |
| 25.0 | Professed | Adrien-François Rouger, C.M. † | Priest of Congregation of the Mission | Vicar Apostolic of Southern Kiangsi {Kiam-Si Meridionale}, China |
| 5 Oct | 59.4 | Died | Josef Dittrich † | Prefect of Lausitz (Lusatia), Germany |
| 9 Oct | 52.7 | Died | Joseph Gregory Hagi (Hadjian) † | Bishop of Erzerum (Garin) (Armenian) |
| 25.2 | Ordained Priest | Jean-François Jamot † | Priest | Bishop of Peterborough, Ontario, Canada |
| 22.6 | Ordained Priest | Aloysius Pistocchi † | Priest | Bishop of Comacchio, Italy |
| 14 Oct | | Born | William John Kenny † | | Bishop of Saint Augustine, Florida, USA |
| 16 Oct | | Born | Karl Heinrich Johannes Willibrord Benzler, O.S.B. † | | Bishop Emeritus of Metz, France |
| 18 Oct | 53.9 | Ordained Bishop | Heinrich Ernst Karl Förster † | Bishop of Wrocław (Breslau), Poland |
| 20 Oct | 25.8 | Professed | Bonaventura Maria Soldatich, O.F.M. Conv. † | Priest of Order of Friars Minor Conventual | Titular Archbishop of Serdica |
| 22 Oct | | Born | José Ramón Ibarra y González † | | Archbishop of Puebla de los Ángeles, México |
| 23 Oct | 52.4 | Installed | Vincenzo Ciccolo Rinaldi † | Bishop of Trapani, Italy |
| 30 Oct | 39.1 | Ordained Bishop | James Roosevelt Bayley † | Bishop of Newark, New Jersey, USA | Archbishop of Baltimore, Maryland, USA |
| 37.2 | Ordained Bishop | Louis Joseph Mary Theodore de Goesbriand † | Bishop of Burlington, Vermont, USA |
| 35.8 | Ordained Bishop | John Loughlin † | Bishop of Brooklyn, New York, USA |
| 1 Nov | 56.3 | Ordained Bishop | Ireneus Frederic Baraga † | Titular Bishop of Amyzon | Bishop of Sault Sainte Marie and Marquette, Michigan, USA |
| 39.1 | Installed | James Roosevelt Bayley † | Bishop of Newark, New Jersey, USA | Archbishop of Baltimore, Maryland, USA |
| 50.3 | Ordained Bishop | George Aloysius Carrell, S.J. † | Bishop of Covington, Kentucky, USA |
| Born | Jeremiah James Harty † | | Bishop of Omaha, Nebraska, USA |
| 2 Nov | 66.2 | Died | Costanzo-Michele Fea † | Bishop of Alba (Pompea), Italy |
| 5 Nov | 38.7 | Confirmed | Ottokar Maria von Attems † | Bishop of Seckau, Austria |
| Born | Julije Drohobeczky † | | Bishop Emeritus of Križevci (Kreutz) (Križevci), Croatia |
| 6 Nov | 38.7 | Ordained Bishop | Ottokar Maria von Attems † | Bishop of Seckau, Austria |
| Born | Angelo Struffolini, D.C. † | | Bishop Emeritus of Ascoli Satriano e Cerignola, Italy |
| 13 Nov | 39.9 | Ordained Bishop | Francisco de Paula Verea y González † | Bishop of Linares o Nueva León, Nuevo León, México | Bishop of Tlaxcala (Puebla de los Angeles), México |
| 15 Nov | 45.5 | Appointed | Joannes Philibertus Deppen † | Auxiliary Bishop of ’s-Hertogenbosch (Bois-le-Duc), Netherlands |
| 45.5 | Appointed | Joannes Philibertus Deppen † | Titular Bishop of Samos | Auxiliary Bishop of ’s-Hertogenbosch (Bois-le-Duc), Netherlands |
| Born | Hippolyte Teissier, M.E.P. † | | Bishop of Mysore, India |
| 16 Nov | 39.6 | Appointed | Philippe François Zéphirin Guillemin, M.E.P. † | Prefect of Kouangtong (Kwangtung, Guangdong), China |
| Born | Augustin Marre, O.C.S.O. † | | Auxiliary Bishop Emeritus of Reims, France |
| 20 Nov | 53.0 | Ordained Bishop | Michael von Deinlein † | Titular Bishop of Adramyttium | Archbishop of Bamberg, Germany |
| 28 Nov | 70.4 | Selected | Giuseppe Maria Maniscalco, O.F.M. Obs. † | Bishop of Caltagirone, Italy |
| 29 Nov | | Born | Andrea Fiore † | | Bishop of Cuneo, Italy |
| 30 Nov | | Born | William Andrew Macdonell † | | Bishop of Alexandria in Ontario, Canada |
| 50.8 | Ordained Bishop | Auguste Marie Martin † | Bishop of Natchitoches, Louisiana, USA |
| Born | Julián Miranda y Ristuer † | | Bishop of Segovia, Spain |
| 52.0 | Appointed | Ignace Antoine (Jules) Samhiri † | Patriarch of Antiochia {Antioch} (Syrian), Lebanon |
| 52.0 | Appointed | Ignace Antoine (Jules) Samhiri † | Bishop of Beirut {Bairut} (Syrian), Lebanon | Patriarch of Antiochia {Antioch} (Syrian), Lebanon |
| Dec | 23.3 | Ordained Priest | Giovanni Battista Bongiorni † | Priest | Bishop Emeritus of Caltagirone, Italy |
| 45.3 | Resigned | Henry Benedict Coskery † | Bishop-Elect of Portland, Maine, USA | Priest of Baltimore, Maryland, USA |
| 3 Dec | 58.5 | Died | Giovanni Niccolò Tanari (Tanara) † | Titular Patriarch of Antiochia {Antioch} |
| 4 Dec | 67.2 | Resigned | Guglielmo Aretini-Sillani † | Bishop of Terracina, Priverno e Sezze, Italy | Bishop Emeritus |
| 7 Dec | 21.8 | Entered | Isidore Clut, O.M.I. † | Member of Oblates of Mary Immaculate | Auxiliary Bishop Emeritus of Athabaska Mackenzie, Alberta, Canada |
| 8 Dec | | Born | Antonio Macrioniti † | | Bishop Emeritus of Syros (e Milos), Greece |
| 52.0 | Installed | Ignace Antoine (Jules) Samhiri † | Patriarch of Antiochia {Antioch} (Syrian), Lebanon |
| 9 Dec | 44.3 | Appointed | Anthony O’Regan † | Bishop of Chicago, Illinois, USA | Bishop Emeritus |
| 88.9 | Died | Jean-François de Saunhac-Belcastel † | Bishop of Perpignan-Elne, France |
| 10 Dec | 53.6 | Died | Manuel José Mosquera y Arboleda † | Archbishop of Santafé en Nueva Granada, Colombia |
| Born | Marian Józef Ryx † | | Bishop of Sandomierz, Poland |
| 11 Dec | 26.7 | Ordained Priest | Manoel dos Santos Pereira † | Priest | Bishop of Olinda, Brazil |
| 12 Dec | 17.8 | Professed | Luigi Canali, O.F.M. Obs. † | Member of Order of Observant Friars Minor | Titular Archbishop of Ptolemais in Thebaide |
| 13 Dec | | Born | Carlo Giuseppe Cecchini, O.P. † | | Archbishop of Taranto, Italy |
| 14 Dec | 51.8 | Selected | Vinko Zubranić † | Bishop of Kotor (Cattaro), Montenegro | Bishop of Dubrovnik (Ragusa), Croatia |
| 16 Dec | 44.3 | Appointed | Anthony O’Regan † | Apostolic Administrator of Quincy, Illinois, USA | Bishop Emeritus of Chicago, Illinois, USA |
| 17 Dec | 29.4 | Ordained Priest | Jaak Bax, C.I.C.M. † | Priest | Vicar Apostolic of Central Mongolia {Mongolia Centrale}, China |
| 22.5 | Ordained Priest | José Benigo Perilla y Martínez † | Priest | Bishop of Tunja, Colombia |
| 24.1 | Ordained Priest | Paul-Félix-Arséne Billard † | Priest of Rouen, France | Bishop of Carcassonne, France |
| 24.0 | Ordained Priest | Francesco Paolo Cardona Albini † | Priest | Titular Bishop of Nemesi |
| 43.5 | Ordained Priest | Flavio Chigi † | Priest | Cardinal, Archpriest of the Arcibasilica di San Giovanni in Laterano {Saint John Lateran Basilica} |
| 24.4 | Ordained Priest | Yves-Marie Croc, M.E.P. † | Priest of La Société des Missions Etrangères | Vicar Apostolic of Southern Tonking {Tonkino Meridionale}, Viet Nam |
| 24.0 | Ordained Deacon | Stanislao Maria de Luca † | Deacon | Bishop of San Severo, Italy |
| 25.1 | Ordained Priest | François Grolleau † | Priest | Bishop of Évreux, France |
| 33.4 | Ordained Priest | Louis-Romain-Ernest Isoard † | Priest | Bishop of Annecy, France |
| 26.1 | Ordained Priest | César-Joseph Marpot (Marport) † | Priest | Bishop of Saint-Claude, France |
| 22.6 | Ordained Priest | Pietro Pace † | Priest | Bishop of Malta |
| 19 Dec | 52.6 | Appointed | Nicola Bedini † | Bishop of Terracina, Priverno e Sezze, Italy |
| 55.5 | Appointed | Cosimo Barnaba Corsi † | Cardinal, Archbishop of Pisa, Italy |
| 48.1 | Appointed | Antonio Saverio De Luca † | Apostolic Nuncio to Bavaria | Cardinal, Prefect of the Congregation for Studies |
| 47.9 | Elevated to Cardinal | Camillo Di Pietro † | In Pectore | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 65.7 | Appointed | Adriano Fieschi † | Cardinal, Cardinal-Priest of Santa Maria della Vittoria |
| 55.0 | Appointed | Mario Melini † | Bishop of Modigliana, Italy |
| 43.7 | Elevated to Cardinal | Vincenzo Gioacchino Raffaele Luigi Pecci † | Pope (Roma {Rome}, Italy) |
| 52.0 | Confirmed | Pietro Luigi Speranza † | Bishop of Bergamo, Italy |
| 20 Dec | 43.2 | Appointed | Michael J. O’Connor, S.J. † | Bishop of Pittsburgh, Pennsylvania, USA | Bishop Emeritus |
| 62.4 | Appointed | Pedro Antonio Torres † | Bishop of Popayán, Colombia |
| 49.9 | Appointed | Eduardo Vásquez, O.P. † | Vicar Apostolic of Panamá | Bishop |
| 49.9 | Appointed | Eduardo Vásquez, O.P. † | Titular Bishop of Lambaesis | Bishop of Panamá |
| 45.1 | Appointed | Joshua Maria (Moody) Young † | Bishop of Erie, Pennsylvania, USA |
| 22 Dec | 58.1 | Confirmed | Juan José Arbolí y Acaso † | Bishop of Cádiz y Ceuta, Spain |
| 58.4 | Appointed | Giovanni Brunelli † | Cardinal-Priest of Santa Cecilia | Cardinal, Bishop of Osimo e Cingoli, Italy |
| 48.1 | Appointed | Antonio Saverio De Luca † | Titular Archbishop of Tarsus | Cardinal, Prefect of the Congregation for Studies |
| 54.4 | Confirmed | Jerónimo Fernández y Andrés † | Bishop of Palencia, Spain |
| 51.7 | Confirmed | Manuel Garcia Gil, O.P. † | Bishop of Badajoz, Spain | Cardinal, Archbishop of Zaragoza, Spain |
| 47.4 | Confirmed | Antonio Palau y Térmens † | Bishop of Vic, Spain | Bishop of Barcelona, Spain |
| 43.8 | Appointed | Vincenzo Gioacchino Raffaele Luigi Pecci † | Cardinal-Priest of San Crisogono | Pope (Roma {Rome}, Italy) |
| 24 Dec | | Born | Olivier Elzéar Mathieu † | | Archbishop of Regina, Saskatchewan, Canada |
| 26 Dec | 40.0 | Installed | Francisco de Paula Verea y González † | Bishop of Linares o Nueva León, Nuevo León, México | Bishop of Tlaxcala (Puebla de los Angeles), México |
| 55.1 | Ordained Bishop | Mario Melini † | Bishop of Modigliana, Italy |
| 27 Dec | 26.5 | Professed | Antoine Horner, C.S.Sp. † | Member of Congregation of the Holy Spirit | Prefect Emeritus of Zanguebar, Kenya |