| Date | Age | Event | Bishop | Title | Current Title |
| 2 Sep | 64.3 | Died | Gaetano Antonio Tigani † | Bishop of Anglona-Tursi, Italy |
| 4 Sep | | Born | Wilhelm Schneider † | | Bishop of Paderborn, Germany |
| 5 Sep | 52.4 | Installed | Bartolomeo Carlo Romilli † | Archbishop of Milano {Milan}, Italy |
| 7 Sep | 29.4 | Entered | Joseph Sidney Woollett, S.J. † | Member of Society of Jesus | Vicar Apostolic Emeritus of Giamaica o Jamaica, Antilles |
| 10 Sep | 60.6 | Appointed | François Cuculla † | Bishop of Santorini {Thira}, Greece | Archbishop of Naxos, Greece |
| 48.6 | Appointed | Edoardo Hurmuz, C.M.V. † | Titular Bishop of Siraces |
| 12 Sep | 41.8 | Selected | Mariano Benito Barrio y Fernández † | Bishop of Cartagena (en España) | Cardinal, Archbishop of Valencia, Spain |
| 65.4 | Selected | Juan José Bonel y Orbe † | Cardinal, Archbishop of Toledo, Spain |
| 42.9 | Selected | Domingo Canubio Alberto, O.P. † | Bishop of Segorbe, Spain |
| 42.6 | Selected | José Domingo Costa y Borrás † | Bishop of Lérida, Spain | Archbishop of Tarragona, Spain |
| 42.6 | Selected | José Escolano y Fenoi † | Bishop of Jaén, Spain |
| 48.8 | Selected | Joaquín Fernández Cortina † | Bishop of Sigüenza, Spain |
| 76.9 | Selected | Manuel María Gómez de las Rivas † | Archbishop of Zaragoza, Spain |
| 67.4 | Selected | Antonio Lao y Cuevas † | Bishop of Teruel, Spain | Bishop of Guadix, Spain |
| 49.8 | Selected | Florencio Llorente y Montón † | Bishop of Gerona, Spain |
| 50.8 | Selected | Rafael Manso † | Bishop of Mallorca, Spain | Bishop of Zamora, Spain |
| 69.1 | Selected | Anacleto Meoro y Sánchez † | Bishop of Almería, Spain |
| 70.0 | Selected | Ramón Montero † | Archbishop of Burgos, Spain |
| 79.5 | Selected | Antonio Posada Rubín de Celis † | Patriarch of West Indies, Spain |
| 66.7 | Selected | Francisco Javier Rodríguez y Obregón † | Bishop of Badajoz, Spain |
| 65.1 | Selected | Santiago Rodríguez Gil, O.P. † | Bishop of Lugo, Spain |
| 67.1 | Selected | Juan Gilberto Ruiz Capucín y Feijó † | Bishop of Cuenca, Spain |
| 65.4 | Selected | Manuel Joaquín Tarancón y Morón † | Bishop of Córdoba, Spain | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 13 Sep | 74.3 | Died | Ugolino Carlini † | Bishop of Cortona, Italy |
| 16 Sep | 68.6 | Selected | Judas José Romo y Gamboa † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 66.0 | Selected | Gregorio Sánchez y Jiménez (Rubio), O.S.H. † | Bishop of Osma, Spain | Bishop of Ávila, Spain |
| 17 Sep | | Born | Joseph Estefan † | | Titular Archbishop of Cyrrhus per i Maroniti |
| 18 Sep | 23.0 | Ordained Priest | Gaetano Caporali, C.Pp.S. † | Priest | Archbishop of Otranto, Italy |
| 23.3 | Ordained Priest | Pasquale Maria Jaderosa † | Priest | Coadjutor Bishop Emeritus of Sant’Agata de’ Goti, Italy |
| 72.3 | Died | József Kopácsy † | Archbishop of Esztergom, Hungary |
| 22.7 | Ordained Priest | Giulio Lenti † | Priest | Vicegerent of Roma {Rome}, Italy |
| 23.6 | Ordained Priest | Eugenio Luzzi † | Priest | Bishop of Todi, Italy |
| 22.9 | Ordained Priest | Domenico Mignanti † | Priest | Bishop of Civita Castellana, Orte e Gallese, Italy |
| 22.7 | Ordained Priest | Placido Petacci † | Priest | Bishop Emeritus of Tivoli, Italy |
| Born | Ramón Plaza y Blanco † | | Bishop of Orihuela, Spain |
| 22.8 | Ordained Priest | Giovanni Maria Strocchi † | Priest | Bishop of Cesena, Italy |
| 25.5 | Ordained Priest | Isidoro Valls y Pascual † | Priest | Bishop of Gerona, Spain |
| 24.2 | Ordained Priest | Theophiel (Théophile) Verbist, C.I.C.M. † | Priest of Mechelen, Belgium | Pro-Vicar Apostolic of Mongolia, China |
| 19 Sep | | Born | Tomás Jenaro de Cámara y Castro, O.E.S.A. † | | Bishop of Salamanca, Spain |
| 48.6 | Ordained Bishop | Edoardo Hurmuz, C.M.V. † | Titular Bishop of Siraces |
| 47.3 | Ordained Bishop | Angelo Parsi, C.P. † | Bishop of Nicopoli, Bulgaria |
| 21 Sep | 36.2 | Ordained Bishop | John Derry † | Bishop of Clonfert, Ireland |
| 22 Sep | | Born | Enrique Almaraz y Santos † | | Cardinal, Archbishop of Toledo, Spain |
| 47.7 | Died | Jean-Pierre Dalmond, C.S.Sp. † | Prefect of Madagascar, Madagascar |
| 24 Sep | 51.2 | Appointed | Rafael Barišić, O.F.M. Obs. † | Vicar Apostolic of Herzegovina | Vicar Apostolic Emeritus |
| 32.3 | Appointed | Charles Henry Davis, O.S.B. † | Bishop of Maitland, Australia |
| 41.7 | Appointed | Camillo Di Pietro † | Apostolic Nuncio to Portugal | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 26 Sep | 24.0 | Ordained Priest | Vincenzo Anivitti † | Priest | Auxiliary Bishop of Sabina (-Farfa), Italy |
| 29 Sep | 59.6 | Died | Anton Gottfried Claessen † | Auxiliary Bishop of Köln {Cologne}, Germany |
| Born | Daniel Fuenzalida Santelices † | | Vicar Apostolic Emeritus of Tarapacá, Chile |
| 30 Sep | 77.0 | Died | Giuseppe Alberghini † | Cardinal, Cardinal-Priest of Santa Prisca |
| Born | Wincenty Kluczynski † | | Archbishop Emeritus of Mohilev, Belarus |
| 1 Oct | 42.9 | Died | Michael Power † | Bishop of Toronto, Ontario, Canada |
| 3 Oct | 34.6 | Ordained Bishop | Alexander Smith † | Titular Bishop of Paros | Coadjutor Vicar Apostolic of Western District, Scotland, Great Britain |
| 4 Oct | 67.0 | Appointed | Pio Bighi † | Titular Bishop of Lystra | Titular Archbishop of Philippi |
| 33.1 | Appointed | Camillo de’ Marchesi Bisleti † | Bishop of Ripatransone, Italy | Bishop of Tarquinia e Civitavecchia, Italy |
| 65.5 | Confirmed | Juan José Bonel y Orbe † | Cardinal, Archbishop of Toledo, Spain |
| 55.6 | Appointed | Jacques-Marie-Antoine-Célestin du Pont † | Cardinal-Priest of Santa Maria del Popolo | Cardinal, Archbishop of Bourges, France |
| 48.8 | Confirmed | Joaquín Fernández Cortina † | Bishop of Sigüenza, Spain |
| 37.0 | Appointed | Innocenzo Ferrieri † | Titular Archbishop of Side | Cardinal, Prefect of the Congregation of Bishops and Regulars |
| 61.9 | Appointed | Paulus Augustus Foscolo † | Titular Patriarch of Alexandria {Alessandria} |
| 56.1 | Appointed | Pierre Giraud † | Cardinal-Priest of Santa Maria della Pace | Cardinal, Archbishop of Cambrai, France |
| 36.6 | Appointed | Francesco Mazzuoli † | Bishop of San Severino (Marche), Italy | Bishop Emeritus |
| 70.0 | Confirmed | Ramón Montero † | Archbishop of Burgos, Spain |
| 48.9 | Confirmed | Johann Georg Müller † | Bishop of Münster, Germany |
| 52.1 | Appointed | Giacomo Piccolomini † | Cardinal-Priest of San Marco | Cardinal, Priest of the Roman Curia - Other |
| 65.5 | Confirmed | Manuel Joaquín Tarancón y Morón † | Bishop of Córdoba, Spain | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 42.9 | Appointed | Rafael Valentín Valdivieso y Zañartu † | Archbishop of Santiago de Chile |
| 34.4 | Appointed | Giuseppe Valerga † | Patriarch of Jerusalem {Gerusalemme}, Palestine |
| 46.4 | Appointed | Luigi Vannicelli Casoni † | Cardinal-Priest of Santa Prassede | Cardinal, Archbishop of Ferrara, Italy |
| 5 Oct | | Born | Igino Bandi † | | Bishop of Tortona, Italy |
| 6 Oct | 82.3 | Died | Joseph-Julien de Saint-Rome-Gualy † | Bishop of Carcassonne, France |
| 7 Oct | 78.5 | Died | Francisco Pablo Vásquez Bizcaíno (y Sánchez) † | Bishop of Tlaxcala (Puebla de los Angeles), México |
| 8 Oct | | Born | Giacinto Gaggia † | | Bishop of Brescia, Italy |
| 10 Oct | | Born | Giuseppe Barillari † | | Coadjutor Bishop of Cariati, Italy |
| 67.0 | Ordained Bishop | Pio Bighi † | Titular Bishop of Lystra | Titular Archbishop of Philippi |
| 33.1 | Ordained Bishop | Camillo de’ Marchesi Bisleti † | Bishop of Ripatransone, Italy | Bishop of Tarquinia e Civitavecchia, Italy |
| 37.0 | Ordained Bishop | Innocenzo Ferrieri † | Titular Archbishop of Side | Cardinal, Prefect of the Congregation of Bishops and Regulars |
| 46.6 | Ordained Bishop | Louis Amadeus Rappe † | Bishop of Cleveland, Ohio, USA | Bishop Emeritus |
| 34.5 | Ordained Bishop | Giuseppe Valerga † | Patriarch of Jerusalem {Gerusalemme}, Palestine |
| 13 Oct | | Born | Benjamin Joseph Keiley † | | Bishop Emeritus of Savannah, Georgia, USA |
| 15 Oct | | Born | Konstantyn Chekhovych (Czechowicz) † | | Bishop of Przemyśl, Sambor, et Sanok (Ukrainian), Poland |
| 16 Oct | 86.7 | Died | Maria Nicolaus Silvester Guillon † | Titular Bishop of Marocco o Marruecos, Titular Sees |
| 23.3 | Ordained Deacon | Manuel Antonio Palacios † | Deacon | Bishop of Paraguay (o Ssma Assunzione) |
| 17 Oct | 62.4 | Selected | Miguel José Irigoyen † | Bishop of Zamora, Spain | Bishop of Calahorra y La Calzada, Spain |
| 18.1 | Professed | Placido Maria Schiaffino, O.S.B. † | Member of Order of Saint Benedict | Cardinal, Prefect of the Congregation of the Index |
| 22.6 | Ordained Priest | Guillaume-Marie-Romain Sourrieu † | Priest of Toulouse (-Narbonne), France | Cardinal, Archbishop of Rouen, France |
| 50.6 | Ordained Bishop | John Timon, C.M. † | Bishop of Buffalo, New York, USA |
| 64.5 | Selected | Pedro José Zarandia y Endara † | Bishop of Orense, Spain | Bishop of Huesca, Spain |
| 18 Oct | 34.9 | Appointed | Georges Augustin Bar-Chino (Barshino, Barscinu) † | Coadjutor Bishop of Salmas {Shahpour} (Chaldean), Iran | Bishop |
| 20 Oct | | Born | Ferdinand Rüegg † | | Bishop of Sankt Gallen, Switzerland |
| 23 Oct | | Born | Joseph-Emile Abbet, C.R.A. † | | Abbot of Saint-Maurice, Switzerland |
| 24 Oct | 51.0 | Ordained Bishop | John Stephen (Jean Étienne) Bazin † | Bishop of Vincennes, Indiana, USA |
| 31 Oct | 28.2 | Ordained Priest | Robert Aston Coffin, C.Ss.R. † | Priest of Confederation of Oratorians of St. Philip Neri | Bishop of Southwark, England, Great Britain |
| Born | Raimondo Jaffei † | | Bishop of Forli, Italy |
| 43.1 | Ordained Bishop | Louis-Désiré Maigret, SS.CC. † | Titular Bishop of Arathia | Vicar Apostolic of Hawaiian Islands, USA |
| 1 Nov | | Born | Karl Augustin † | | Auxiliary Bishop of Wrocław (Breslau), Poland |
| 2 Nov | 40.7 | Died | William Riddell † | Vicar Apostolic of Northern District, England, Great Britain |
| 6 Nov | 72.9 | Died | Luigi Francesco Paolo Maria Bovio, O.S.B. † | Bishop of Melfi e Rapolla, Italy |
| 80.1 | Died | Francisco Garcia Cantarines † | Auxiliary Bishop of Antequera, Oaxaca, México |
| 12 Nov | 13.5 | Entered | Ignacio León Velasco, S.J. † | Member of Society of Jesus | Archbishop of Santafé en Nueva Granada, Colombia |
| 13 Nov | 39.5 | Appointed | Carlo Sacconi † | Apostolic Internuncio to Bavaria | Cardinal, Prefect of the Congregation of Ceremonies |
| 14 Nov | 44.1 | Selected | Miguel García Cuesta † | Bishop of Jaca, Spain | Cardinal, Archbishop of Santiago de Compostela, Spain |
| 16 Nov | 45.9 | Entered | Ephrem (August) Van der Meulen, O.C.S.O. † | Priest of Order of Cistercians of the Strict Observance | Vicar General |
| 17 Nov | 88.3 | Died | Francesco Saverio Caruana † | Bishop of Malta |
| 68.2 | Appointed | Publio Maria Sant † | Titular Archbishop of Rhodus | Bishop Emeritus of Malta |
| 68.2 | Succeeded | Publio Maria Sant † | Bishop of Malta | Bishop Emeritus |
| 18 Nov | | Appointed | Elias Chahwann † | Bishop of Mardin (Syrian), Turkey |
| Converted | Elias Chahwann † | Bishop of Mardin (Syrian), Turkey |
| 20 Nov | 25.8 | Entered | Louis-Joseph D’Herbomez, O.M.I. † | Member of Oblates of Mary Immaculate | Vicar Apostolic of British Columbia, Canada |
| 22 Nov | 88.1 | Died | Placido Maria Tadini, O.C.D. † | Cardinal, Archbishop of Genova, Italy |
| 23 Nov | 35.0 | Died | Jean-Benoît Truffet, C.S.Sp. † | Vicar Apostolic of Two Guineas {Des Deux Guinées}, Gabon |
| 24 Nov | | Born | Ange-Louis Tibéri † | | Prefect Emeritus of Iles Saint-Pierre et Miquelon |
| 26 Nov | 47.4 | Selected | Henri-Marie-Gaston Boisnormand de Bonnechose † | Bishop of Carcassonne, France | Cardinal, Archbishop of Rouen, France |
| 44.8 | Selected | Paul-Armand-Ignace-Anaclet Cardon de Garsignies † | Bishop of Soissons (-Laon), France |
| 27 Nov | 75.9 | Died | Francis Joseph O’Finan, O.P. † | Bishop of Killala, Ireland |
| 30 Nov | 38.1 | Ordained Bishop | Modeste Demers † | Bishop of Vancouver Island, USA |
| 33.4 | Ordained Bishop | Paolo Dodmassei † | Bishop of Pult (Pulati), Albania | Bishop of Lezhë {Lesh, Alessio}, Albania |
| 2 Dec | 75.0 | Died | Ján Krstitel Ladislav Pyrker (Pryker), O. Cist. † | Archbishop of Eger, Hungary |
| 5 Dec | 60.9 | Ordained Bishop | François Cuculla † | Bishop of Santorini {Thira}, Greece | Archbishop of Naxos, Greece |
| 6 Dec | 28.5 | Ordained Priest | Laurence Gillooly, C.M. † | Priest of Congregation of the Mission | Bishop of Elphin, Ireland |
| 7 Dec | 45.9 | Appointed | William Bernard Allen Collier, O.S.B. † | Bishop of Port-Louis, Mauritius | Bishop Emeritus |
| 8 Dec | | Born | Hermann Jürgens (Juergens), S.J. † | | Archbishop of Bombay, India |
| 23.6 | Ordained Priest | Miguel León y Garrido † | Priest | Bishop of Cuenca, Ecuador |
| Born | Carlo Marozio † | | Bishop of Susa, Italy |
| 9 Dec | | Born | Leo (Johannes) von Mergel, O.S.B. † | | Bishop of Eichstätt, Germany |
| 13 Dec | 55.9 | Died | László Barkóczy † | Bishop of Székesfehérvár (Albareale), Hungary |
| 14 Dec | 41.9 | Appointed | Andrea Canova, O.F.M. Cap. † | Titular Bishop of Croae | Vicar Apostolic of Sofia e Plovdiv, Bulgaria |
| 40.2 | Appointed | John Thomas Mullock, O.F.M. Ref. † | Coadjutor Bishop of Newfoundland, Canada | Bishop of Saint John’s, Newfoundland, Canada |
| 40.2 | Appointed | John Thomas Mullock, O.F.M. Ref. † | Titular Bishop of Thaumacus | Bishop of Saint John’s, Newfoundland, Canada |
| 17 Dec | 42.0 | Confirmed | Mariano Benito Barrio y Fernández † | Bishop of Cartagena (en España) | Cardinal, Archbishop of Valencia, Spain |
| 43.1 | Confirmed | Domingo Canubio Alberto, O.P. † | Bishop of Segorbe, Spain |
| 59.5 | Confirmed | Buenaventura Codina Augerolas, C.M. † | Bishop of Islas Canarias {Canary Islands}, Spain |
| 42.9 | Confirmed | José Domingo Costa y Borrás † | Bishop of Lérida, Spain | Archbishop of Tarragona, Spain |
| 37.8 | Appointed | Raffaele d’Ambrosio, O.F.M. Ref. † | Archbishop of Durrës (Durazzo), Albania | Archbishop Emeritus |
| 42.8 | Confirmed | José Escolano y Fenoi † | Bishop of Jaén, Spain |
| 77.1 | Confirmed | Manuel María Gómez de las Rivas † | Archbishop of Zaragoza, Spain |
| 33.0 | Ordained Priest | Martín Griver y Cuní † | Priest of Gerona, Spain | Bishop of Perth, Australia |
| 62.6 | Confirmed | Miguel José Irigoyen † | Bishop of Zamora, Spain | Bishop of Calahorra y La Calzada, Spain |
| 67.7 | Confirmed | Antonio Lao y Cuevas † | Bishop of Teruel, Spain | Bishop of Guadix, Spain |
| 52.7 | Confirmed | Josef von Lipp † | Bishop of Rottenburg, Germany |
| 50.1 | Confirmed | Florencio Llorente y Montón † | Bishop of Gerona, Spain |
| 64.4 | Appointed | Manuel López Santisteban † | Bishop of Ávila, Spain | Bishop Emeritus |
| 51.1 | Confirmed | Rafael Manso † | Bishop of Mallorca, Spain | Bishop of Zamora, Spain |
| 69.4 | Confirmed | Anacleto Meoro y Sánchez † | Bishop of Almería, Spain |
| 79.8 | Confirmed | Antonio Posada Rubín de Celis † | Patriarch of West Indies, Spain |
| 67.0 | Confirmed | Francisco Javier Rodríguez y Obregón † | Bishop of Badajoz, Spain |
| 65.4 | Confirmed | Santiago Rodríguez Gil, O.P. † | Bishop of Lugo, Spain |
| 68.9 | Confirmed | Judas José Romo y Gamboa † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 67.4 | Confirmed | Juan Gilberto Ruiz Capucín y Feijó † | Bishop of Cuenca, Spain |
| 66.2 | Confirmed | Gregorio Sánchez y Jiménez (Rubio), O.S.H. † | Bishop of Osma, Spain | Bishop of Ávila, Spain |
| 58.9 | Appointed | Wacław Wilhelm (Václaw Vilem) Wacławiczek (Václavicek) † | Archbishop of Lviv, Ukraine | Former Archbishop-Elect |
| 64.7 | Appointed | Pedro José Zarandia y Endara † | Bishop of Orense, Spain | Bishop of Huesca, Spain |
| 18 Dec | 22.5 | Ordained Priest | Vincenzo Gregorio Berchialla, O.M.V. † | Priest of Oblates of the Virgin Mary | Archbishop of Cagliari, Italy |
| 24.6 | Ordained Priest | Joseph-Alfred Foulon † | Priest of Paris, France | Cardinal, Archbishop of Lyon (-Vienne), France |
| 27.1 | Ordained Priest | François-Eugène Lions, M.E.P. † | Priest of La Société des Missions Etrangères | Vicar Apostolic of Kuiceu (Kweichow), China |
| 24.1 | Ordained Priest | Manuel Mercader y Arroyo † | Priest | Bishop of Menorca, Spain |
| 25.6 | Ordained Priest | Cassien-Léonard de Péretti † | Priest | Auxiliary Bishop of Ajaccio, France |
| 24.2 | Ordained Priest | Alessandro de Risio, C.Ss.R. † | Priest of Congregation of the Most Holy Redeemer | Archbishop Emeritus of Santa Severina, Italy |
| 25.1 | Ordained Priest | Camillo Ruggeri (Ruggieri) † | Priest | Bishop of Fano, Italy |
| 22.0 | Ordained Deacon | Giovanni Maria Sardi † | Deacon of Pinerolo, Italy | Bishop |
| 25.2 | Ordained Priest | Pierre-Paul Stumpf † | Priest of Strasbourg, France | Bishop |
| 19 Dec | 25.0 | Ordained Priest | Jacques-Edne-Henri-Philadelphe Bellot des Minières † | Priest of Bordeaux, France | Bishop of Poitiers, France |
| 20 Dec | 57.7 | Selected | Vicente Barreiro y Pérez, O.E.S.A. † | Bishop of Nueva Segovia, Philippines |
| 60.9 | Selected | Manuel Grijalvo y Mínguez, O.E.S.A. † | Bishop of Nueva Caceres, Philippines |
| 22 Dec | 49.1 | Installed | Johann Georg Müller † | Bishop of Münster, Germany |
| 23 Dec | | Born | Laurent Marie Étienne Monnier † | | Bishop of Troyes, France |
| 25 Dec | | Born | Manuel José Peña † | | Bishop of La Paz, Bolivia |
| 26 Dec | 57.9 | Selected | Joseph VI Audu † | Patriarch of Babylon {Babilonia} (Chaldean), Iraq |
| 22.8 | Ordained Priest | Vincenzo Manicardi † | Priest | Bishop of Reggio Emilia, Italy |
| 27 Dec | | Born | Donato Maria Dell’Olio † | | Cardinal, Archbishop of Benevento, Italy |
| 46.9 | Ordained Bishop | Aidan Devereux † | Titular Bishop of Paneade | Vicar Apostolic of Cape of Good Hope, Eastern District {Capo de Buona Speranza, Distretto Orientale}, South Africa |
| Died | Fortunato Maria Ercolani, C.P. † | Bishop of Civita Castellana, Orte e Gallese, Italy |
| 40.2 | Ordained Bishop | John Thomas Mullock, O.F.M. Ref. † | Titular Bishop of Thaumacus | Bishop of Saint John’s, Newfoundland, Canada |
| 28 Dec | | Born | Pascual Carrascosa y Gabaldón † | | Bishop of Orense, Spain |
| 29 Dec | | Born | Alexis-Xyste Bernard † | | Bishop of Saint-Hyacinthe, Québec, Canada |
| 75.3 | Died | Félix Torres y Amat † | Bishop of Astorga, Spain |
| 30 Dec | | Born | George Thomas Montgomery † | | Coadjutor Archbishop of San Francisco, California, USA |
| 31 Dec | 52.9 | Resigned | Gabriele Ferretti † | Secretary of State | Cardinal, Major Penitentiary of the Apostolic Penitentiary |