| Date | Age | Event | Bishop | Title | Current Title | 
|---|
| 4 Sep | 36.3 | Appointed | Charles Montault des Isles † | Bishop of [Vienne (Constitutional), France] | Bishop of Angers, France | 
| 9 Sep | 55.6 | Died | Alexander MacDonald † | Vicar Apostolic of Highland District, Scotland, Great Britain | 
|  | Born | Jean-François Ollivier, M.E.P. † |  | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viet Nam | 
| 11 Sep | 76.6 | Died | José Antonio Humeres y Miranda † | Bishop of Panamá | 
| 12 Sep | 60.2 | Appointed | Franz Philipp von Inzaghi † | Bishop of Gorizia e Gradisca, Italy | 
| 14 Sep | 87.0 | Died | Bartolomeo Olivazzi † | Bishop of Pavia, Italy | 
| 19 Sep |  | Born | Jan Kanty Dąbrowski † |  | Auxiliary Bishop of Gniezno e Poznań, Poland | 
| 24 Sep | 22.9 | Ordained Priest | Gaetano Benaglia † | Priest | Bishop of Lodi, Italy | 
| 23.0 | Ordained Priest | Pietro di Benedetto † | Priest | Archbishop of Reggio Calabria, Italy | 
| 22.8 | Ordained Priest | Adeodato Gomez Cardosa † | Priest | Bishop of Isernia, Italy | 
| 24.2 | Ordained Priest | Antonio Cinque † | Priest | Bishop of Anglona-Tursi, Italy | 
| 22.8 | Ordained Priest | Geraldo Macioti † | Priest | Auxiliary Bishop of Ostia (-Velletri), Italy | 
| 23.5 | Ordained Priest | Antônio Rodrigues de Aguiar † | Priest | Prelate of Goiás, Brazil | 
| 25 Sep | 24.0 | Ordained Priest | René-François Soyer † | Priest | Bishop of Luçon, France | 
| 26 Sep | 23.0 | Ordained Priest | Joseph Vitus Burg † | Priest of Konstanz {Constance}, Germany | Bishop of Mainz, Germany | 
| 59.9 | Confirmed | Carlo Luigi Buronzo del Signore † | Bishop of Novara, Italy | Archbishop Emeritus of Torino {Turin}, Italy | 
| 52.4 | Appointed | Filippo Campanelli † | Cardinal, Cardinal-Deacon of San Cesareo in Palatio | 
| 46.4 | Appointed | Antonio Despuig y Dameto † | Bishop of Orihuela, Spain | Cardinal, Archbishop Emeritus of Sevilla {Seville}, Spain | 
| 70.7 | Appointed | Francesco Maria Gentile † | Bishop of Luni e Sarzana, Italy | Bishop Emeritus | 
| 38.2 | Appointed | Gabriello Maria Gravina, O.S.B. † | Titular Bishop of Flavias | Prelate of Santa Lucia del Mela, Italy | 
| 65.9 | Appointed | Michal Mateusz Kosmowski, C.R.L. † | Auxiliary Bishop of Gniezno, Poland | 
| 65.9 | Appointed | Michal Mateusz Kosmowski, C.R.L. † | Titular Bishop of Martyropolis | Auxiliary Bishop of Gniezno, Poland | 
| 64.4 | Appointed | Juan Llano y Ponte † | Bishop of Oviedo, Spain | 
| 64.7 | Appointed | Gjon Logorezzi (Logoreci) † | Bishop of Sapë, Albania | 
| 63.9 | Resigned | Etienne-Charles de Loménie de Brienne † | Cardinal-Priest | Cardinal, Archbishop of Sens, France | 
| 43.2 | Appointed | Paolo Maggiolo † | Bishop of Albenga, Italy | 
| 37.7 | Appointed | Marco Negri † | Bishop of Pult (Pulati), Albania | Bishop of Sapë, Albania | 
| 41.2 | Confirmed | Omobono Offredi † | Bishop of Cremona, Italy | 
| 47.0 | Elevated to Cardinal | Fabrizio Dionigi Ruffo † | In Pectore | Cardinal, Chamberlain Emeritus of the College of Cardinals | 
| 61.3 | Confirmed | Sigismund Anton von Hohenwart, S.J. † | Bishop of Trieste, Italy | Archbishop of Wien {Vienna}, Austria | 
| 27 Sep | 41.7 | Appointed | Francesco Borzi † | Apostolic Administrator of Budua (Budva), Montenegro | Archbishop of Bar (Antivari), Montenegro | 
| 29 Sep |  | Born | Antônio Joaquim de Mello † |  | Bishop of São Paulo, Brazil | 
| 46.4 | Ordained Bishop | Antonio Despuig y Dameto † | Bishop of Orihuela, Spain | Cardinal, Archbishop Emeritus of Sevilla {Seville}, Spain | 
|  | Born | Edward Walsh † |  | Bishop of Ossory, Ireland | 
| 1 Oct |  | Born | Thomas Lawrence Burgess † |  | Bishop of Clifton, England, Great Britain | 
| 78.0 | Died | Vicente da Gamal Leao † | Coadjutor Bishop Emeritus of São Sebastião do Rio de Janeiro, Brazil | 
| 2 Oct | 43.2 | Ordained Bishop | Paolo Maggiolo † | Bishop of Albenga, Italy | 
| 41.3 | Ordained Bishop | Omobono Offredi † | Bishop of Cremona, Italy | 
| 9 Oct |  | Born | Giacomo Bignotti † |  | Bishop of Adria, Italy | 
| 16 Oct | 60.7 | Died | Adam Kościa † | Auxiliary Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania | 
| 17 Oct | 56.9 | Selected | Giuseppe Bertieri, O.A.D. † | Bishop of Pavia, Italy | 
| 19 Oct |  | Born | Joseph William (Francis) Hendren, O.F.M. Rec. † |  | Bishop Emeritus of Nottingham, England, Great Britain | 
| 23 Oct | 36.4 | Ordained Bishop | Charles Montault des Isles † | Bishop of [Vienne (Constitutional), France] | Bishop of Angers, France | 
| 61.4 | Ordained Bishop | Sigismund Anton von Hohenwart, S.J. † | Bishop of Trieste, Italy | Archbishop of Wien {Vienna}, Austria | 
| 26 Oct | 53.4 | Resigned | Louis Charrier de La Roche † | Bishop of [Seine-Inférieure (Constitutional), France] | Bishop of Versailles, France | 
| 30 Oct |  | Born | Giovanni Battista Bagnasco † |  | Auxiliary Bishop of Palermo, Italy | 
| 3 Nov |  | Born | Ignazio de’ Bisogno † |  | Auxiliary Bishop of Napoli {Naples}, Italy | 
| 6 Nov | 24.7 | Ordained Priest | Alexandre-Raymond Devie † | Priest of Valence, France | Bishop of Belley, France | 
| 66.1 | Ordained Bishop | Michal Mateusz Kosmowski, C.R.L. † | Titular Bishop of Martyropolis | Auxiliary Bishop of Gniezno, Poland | 
| 8 Nov | 78.1 | Died | Pierre Brigot, M.E.P. † | Superior of Karnatic Mission / Pondicherry, India | 
| 57.6 | Succeeded | Nicolas Champenois, M.E.P. † | Superior of Karnatic Mission / Pondicherry, India | 
| 39.7 | Appointed | John Chisholm † | Vicar Apostolic of Highland District, Scotland, Great Britain | 
| 39.7 | Appointed | John Chisholm † | Titular Bishop of Oreus | Vicar Apostolic of Highland District, Scotland, Great Britain | 
|  | Born | Francesco Zaloni † |  | Bishop of Tinos and Mykonos, Greece | 
| 13 Nov | 38.3 | Ordained Bishop | Gabriello Maria Gravina, O.S.B. † | Titular Bishop of Flavias | Prelate of Santa Lucia del Mela, Italy | 
| 51.0 | Ordained Bishop | Joseph von Stubenberg † | Bishop of Eichstätt, Germany | Archbishop of Bamberg, Germany | 
| 24.0 | Ordained Priest | Francesco Saverio Triggiani, O.F.M. Conv. † | Priest of Order of Friars Minor Conventual | Bishop Emeritus of Oria, Italy | 
| 17 Nov | 21.3 | Ordained Deacon | Juan Rodríguez Reymúndez † | Deacon of Lima, Peru | Priest | 
| 23.8 | Ordained Deacon | Francisco de Sales Arrieta Ortiz, O.F.M. Obs. † | Deacon of Order of Observant Friars Minor | Archbishop of Lima, Peru | 
| 18 Nov | 23.8 | Ordained Priest | Francisco de Sales Arrieta Ortiz, O.F.M. Obs. † | Priest of Order of Observant Friars Minor | Archbishop of Lima, Peru | 
| 20 Nov | 75.8 | Died | François-Tristan de Cambon † | Bishop of Mirepoix, France | 
| 28 Nov |  | Born | José María Yáñez de Montenegro † |  | Bishop of Cochabamba, Bolivia | 
| 1 Dec | 86.7 | Died | Domenico Giovanni Prosperi † | Bishop of San Severino (Marche), Italy | 
| 4 Dec | 45.9 | Appointed | Gerard Teahan (Teaghan) † | Archbishop of Cashel (-Emly), Ireland | Bishop of Kerry (o Ardfert) e Aghadoe, Ireland | 
| 5 Dec |  | Born | Niccola Marone † |  | Bishop Emeritus of Ruvo e Bitonto, Italy | 
| 12 Dec | 59.4 | Selected | Nikolaus Kondé de Póka-Telek † | Bishop of Beograd (-Smederevo), Serbia | Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania | 
| 13 Dec |  | Born | Manuel José da Costa † |  | Bishop of Leiria, Portugal | 
| 16 Dec | 45.5 | Selected | Francesco Amoroso † | Archbishop of Lanciano, Italy | 
| 59.7 | Selected | Filippo d’Aprile † | Bishop of Melfi e Rapolla, Italy | 
| 59.0 | Selected | Giovanni Arcamone, C.R. † | Bishop of Lucera, Italy | 
| 59.9 | Selected | Domenico Arcaroli † | Bishop of Vieste, Italy | Bishop Emeritus | 
| 61.4 | Selected | Giovanni Battista Brancaccio † | Bishop of Ostuni, Italy | 
| 71.9 | Selected | Gaetano Maria Capece, C.R. † | Archbishop (Personal Title) of Pozzuoli, Italy | Bishop | 
| 56.5 | Selected | Vincenzo Maria Castro † | Bishop of Umbriatico (Umbriaticum), Italy | Bishop of Castellaneta, Italy | 
| 52.4 | Selected | Bartolomeo Criscuolo † | Bishop of Lettere (-Gragnano), Italy | 
| 61.8 | Selected | Filippo d’Ambrogio † | Bishop of Caiazzo, Italy | 
| 51.7 | Selected | Giovanni Thomas Vincenzo Tiberio d’Anisi, O.A.D. † | Bishop of Gallipoli, Italy | 
| 57.5 | Selected | Luca Nicola de Luca † | Bishop of Trivento, Italy | Bishop Emeritus | 
| 72.3 | Selected | Gian Leonardo Maria Di Fusco, O.P. † | Bishop of Acerra, Italy | 
| 56.3 | Selected | Ferdinando Crispo Doria † | Bishop of Castellammare di Stabia, Italy | 
| 62.8 | Selected | Sebastiano de Rosa † | Bishop of Avellino e Frigento, Italy | 
| 63.0 | Selected | Gennaro Clemente Francone † | Archbishop (Personal Title) of Gaeta, Italy | Bishop of Troia, Italy | 
| 61.9 | Selected | Agostino Gervasio, O.E.S.A. † | Archbishop of Capua, Italy | 
| 63.3 | Selected | Agostino Gregorio Golini † | Bishop of Trevico, Italy | 
| 52.6 | Selected | Salvatore Maria Lombardi † | Bishop of Andria, Italy | 
| 49.0 | Selected | Andrea de Lucia † | Bishop of Calvi Risorta, Italy | Bishop of Calvi e Teano, Italy | 
| 54.1 | Selected | Vincenzo Lupoli † | Bishop of Telese o Cerreto Sannita, Italy | 
| 58.0 | Selected | Pietro Mancini † | Bishop of Minervino Murge, Italy | 
| 47.2 | Selected | Gaetano Paolo de Miceli, C.P.O. † | Bishop of Alessano, Italy | Archbishop of Rossano, Italy | 
| 61.9 | Selected | Ambrogio (Paulo Maria Michael) Mirelli, O.S.B. † | Archbishop of Chieti, Italy | 
| 50.6 | Selected | Vincenzo Maria Morelli, C.R. † | Archbishop of Otranto, Italy | 
| 47.3 | Selected | Raffaele Mormile, C.R. † | Archbishop of Cosenza, Italy | Archbishop of Palermo, Italy | 
| 73.5 | Selected | Carlo Nicodemi † | Bishop of Sant’Angelo dei Lombardi e Bisaccia, Italy | 
| 69.9 | Selected | Emanuele Maria Pignone del Carretto, O.E.S.A. † | Bishop of Sessa Aurunca, Italy | 
| 51.2 | Selected | Fortunado Pinto † | Bishop of Tricarico, Italy | Archbishop of Salerno (-Acerno), Italy | 
| 65.5 | Selected | Giovanni Saverio Pirelli † | Bishop of Ariano, Italy | 
| 69.9 | Selected | Lorenzo Potenza † | Bishop of Sarno, Italy | 
| 51.5 | Selected | Paolo Pozzuoli † | Bishop of Sant’Agata de’ Goti, Italy | 
| 51.0 | Selected | Francesco Saverio Saggese † | Bishop of Montepeloso, Italy | 
| 51.0 | Selected | Antonio Siciliani, C.R.L. † | Bishop of Aquino e Pontecorvo, Italy | 
| 45.5 | Selected | Salvatore Spinelli, O.S.B. † | Bishop of Lecce, Italy | Archbishop of Salerno, Italy | 
| 43.6 | Selected | Gennaro Maria Guevara Suardo, O.S.B. † | Archbishop of Bari (-Canosa), Italy | Bishop of Aversa, Italy | 
| 52.5 | Selected | Gennaro Vincenzo Tortora † | Bishop of Fondi (Fundi), Italy | 
| 51.7 | Selected | Gioacchino Vassetta, O.M.D. † | Bishop of Castellaneta, Italy | 
| 42.8 | Selected | Nicola Vecchi † | Bishop of Conversano, Italy | Bishop of Teano, Italy | 
| 68.4 | Selected | Francesco Saverio de Vivo † | Archbishop (Personal Title) of Nusco, Italy | Bishop | 
| 17 Dec | 23.0 | Ordained Priest | Pietro Fazzi † | Priest | Bishop of San Miniato, Italy | 
| 28.3 | Ordained Priest | Bernardo Antônio de Figueiredo † | Priest | Bishop of Faro {Algarve}, Portugal | 
| 24.2 | Ordained Priest | Mariano Medrano y Cabrera † | Priest of Buenos Aires, Argentina | Bishop | 
| 24.1 | Ordained Priest | Luigi Scalabrini, O. Carm. † | Priest of Order of Our Lady of Mt. Carmel | Bishop of Mazara del Vallo, Italy | 
| 18 Dec | 23.1 | Ordained Deacon | Joseph Maria Johann Nepomuk von Fraunberg † | Deacon of Regensburg, Germany | Archbishop of Bamberg, Germany | 
| 19 Dec | 39.5 | Appointed | Rainieri Alliata † | Bishop of Volterra, Italy | Archbishop of Pisa, Italy | 
| 43.3 | Confirmed | Luiz de Brito Homem † | Bishop of Angola e Congo | Bishop of São Luís do Maranhão, Brazil | 
| 65.2 | Confirmed | Francisco de Ibarra y Herrera † | Bishop of Guayana, Venezuela | Archbishop of Caracas, Santiago de Venezuela | 
| 66.0 | Appointed | Andrés Ambrosio de Llanos y Valdés, O.F.M. † | Bishop of Linares o Nueva León, Nuevo León, México | 
| 53.7 | Appointed | Józef Kazimierz Kossakowski † | Coadjutor Bishop of Vilnius, Lithuania | Bishop of Inflanty (Livonia)-Pilten, Poland | 
| 52.6 | Confirmed | Miguel Antonio da Cruz, O.F.M. Disc. † | Bishop of São Paulo, Brazil | Archbishop of Braga, Portugal | 
| 47.2 | Appointed | Michael Mdzewski † | Auxiliary Bishop of Płock, Poland | 
| 47.2 | Appointed | Michael Mdzewski † | Titular Bishop of Dercos (Dercus) | Auxiliary Bishop of Płock, Poland | 
| 53.2 | Confirmed | Francisco Monteiro Pereira de Azevedo † | Bishop of Viseu, Portugal | 
| 46.3 | Appointed | Michal Pałucki † | Auxiliary Bishop of Kyiv and Chernihiv (Kijów and Czernihow), Ukraine | 
| 46.3 | Appointed | Michal Pałucki † | Titular Bishop of Adraa | Auxiliary Bishop of Kyiv and Chernihiv (Kijów and Czernihow), Ukraine | 
| 57.3 | Appointed | Francesco Falchi Picchinesi † | Bishop of Pistoia e Prato, Italy | 
| 59.8 | Appointed | Giuseppe Rossi † | Titular Archbishop of Nicosia | 
| 56.2 | Confirmed | Cándido Manuel de Torrijos Riguerra, O.P. † | Bishop of Mérida, Venezuela | 
| 67.5 | Appointed | Juan Antonio de los Tueros † | Archbishop of Burgos, Spain | 
| 21 Dec | 39.5 | Ordained Bishop | Rainieri Alliata † | Bishop of Volterra, Italy | Archbishop of Pisa, Italy | 
| 23.1 | Ordained Priest | Joseph Maria Johann Nepomuk von Fraunberg † | Priest of Regensburg, Germany | Archbishop of Bamberg, Germany | 
| 57.3 | Ordained Bishop | Francesco Falchi Picchinesi † | Bishop of Pistoia e Prato, Italy | 
| 24 Dec | 37.9 | Died | Crescenzio Cavalli, O.F.M. † | Vicar Apostolic of Hukwang, Shansi [Shanxi], and Shensi [Shaanxi], China | 
| 78.5 | Died | Andrea Torre, C.P.O. † | Bishop of Minori, Italy | 
| 26 Dec | 39.8 | Ordained Priest | Luigi Bottiglia Savoulx † | Priest | Cardinal, Prefect of the Apostolic Signatura | 
| 29 Dec |  | Born | Tomás Miguel Pineda y Saldaña † |  | Bishop of San Salvador, El Salvador |