| Date | Age | Event | Bishop | Title | Current Title |
| 2 Jul | | Born | Giacomo Luigi Fontana, M.E.P. † | | Vicar Apostolic of Houkouang, China |
| 4 Jul | | Died | Patrick Brady, O.F.M. Rec. † | Bishop of Dromore, Ireland |
| 12 Jul | | Born | Juan Gilberto Ruiz Capucín y Feijó † | | Bishop of Cuenca, Spain |
| 14 Jul | | Born | Sebastiano Soldati † | | Bishop of Treviso, Italy |
| 16 Jul | 62.8 | Ordained Bishop | Julián Gascueńa Herráiz, O.F.M. Disc. † | Bishop of Jaca, Spain | Bishop of Ávila, Spain |
| 18 Jul | 51.7 | Succeeded | Jean Davoust, M.E.P. † | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viet Nam |
| 19 Jul | 49.5 | Appointed | Ignace Michel III Djarwé (Jarweh) † | Bishop of Alep [Beroea, Halab] (Syrian), Syria | Patriarch of Antiochia {Antioch} (Syrian), Lebanon |
| Born | Bernardo Antonino Squarcina, O.P. † | | Bishop of Adria, Italy |
| 25 Jul | 25.4 | Ordained Priest | Nicola Serarcangeli † | Priest | Bishop of Fano, Italy |
| 27 Jul | 58.5 | Died | Bertrand Reydellet, M.E.P. † | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viet Nam |
| 28 Jul | 74.9 | Died | Ludovico Terin Bonesio, O.F.M. Cap. † | Bishop of Bobbio, Italy |
| 29 Jul | 45.2 | Selected | Johann Leopold von Hay † | Bishop of Hradec Králové, Czechia |
| 5 Aug | 65.1 | Selected | Antoni Wacław Betański † | Coadjutor Bishop of Przemyśl, Poland | Bishop |
| 73.5 | Died | Mathias Poncet de la Rivičre † | Bishop Emeritus of Troyes, France |
| 7 Aug | 23.6 | Selected | Max Franz (Maximilian Franciscus) von Habsburg-Lothringen (Österreich) † | Coadjutor Archbishop of Köln {Cologne}, Germany | Archbishop |
| 8 Aug | 57.0 | Resigned | Miguel António Barreto de Meneses † | Bishop of Miranda (do Douro), Portugal | Bishop Emeritus |
| 10 Aug | 67.7 | Died | Stefano Morŕbito † | Bishop Emeritus of Bova, Italy |
| 12 Aug | 38.3 | Ordained Bishop | William Gregory Sharrock, O.S.B. † | Titular Bishop of Telmissus | Vicar Apostolic of Western District, England, Great Britain |
| 13 Aug | | Born | Ignác Szepesy de Négyes † | | Bishop of Pécs, Hungary |
| 14 Aug | | Born | Johann Aloys Hoffmann † | | Auxiliary Bishop of Salzburg, Austria |
| 16 Aug | 23.6 | Selected | Max Franz (Maximilian Franciscus) von Habsburg-Lothringen (Österreich) † | Coadjutor Bishop of Münster, Germany | Archbishop of Köln {Cologne}, Germany |
| 17 Aug | | Born | Jakob Joseph Wandt † | | Bishop of Hildesheim, Germany |
| 22 Aug | 47.4 | Died | Nathaniel Johann Heinrich Bürger, O.F.M. Ref. † | Coadjutor Bishop of Nanking [Nanjing], China | Vicar Apostolic |
| 3 Sep | 46.4 | Ordained Bishop | Matthew Gibson † | Titular Bishop of Comana Armeniae | Vicar Apostolic of Northern District, England, Great Britain |
| 5 Sep | | Born | Pio Bighi † | | Titular Archbishop of Philippi |
| 10 Sep | 49.6 | Ordained Bishop | Adam Kościa † | Titular Bishop of Dioclea | Auxiliary Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
| 13 Sep | | Born | Nicola Mattei Baldini † | | Bishop of Corneto (Tarquinia) e Montefiascone, Italy |
| 17 Sep | 53.5 | Ordained Bishop | José Campos Julián, O.C.D. † | Bishop of Córdoba (Tucumán), Argentina | Archbishop of La Plata o Charcas, Bolivia |
| 18 Sep | 37.8 | Confirmed | Anton Andrássy † | Bishop of Rožňava, Slovakia |
| 44.5 | Appointed | Filippo Antonio Buffa, O.F.M. Conv. † | Auxiliary Bishop of Ostia (-Velletri), Italy |
| 44.5 | Appointed | Filippo Antonio Buffa, O.F.M. Conv. † | Titular Bishop of Zenopolis in Lycia | Auxiliary Bishop of Ostia (-Velletri), Italy |
| 64.1 | Appointed | Juan García Montenegro † | Bishop of Urgell, Spain |
| 60.1 | Appointed | Juan Domingo González de la Reguera † | Archbishop of Lima, Peru |
| 64.1 | Confirmed | Lourenço de Lencastre † | Bishop of Leiria, Portugal |
| 46.2 | Appointed | Antonio Cayetano Maciel Calheiros † | Auxiliary Bishop of Lisboa {Lisbon}, Portugal |
| 46.2 | Appointed | Antonio Cayetano Maciel Calheiros † | Titular Archbishop of Lacedaemonia | Auxiliary Bishop of Lisboa {Lisbon}, Portugal |
| 45.1 | Confirmed | José do Menino Jesus (Deus), O.C.D. † | Bishop of Săo Luís do Maranhăo, Brazil | Bishop of Viseu, Portugal |
| 64.0 | Appointed | José Luis Mollinedo † | Bishop of Palencia, Spain |
| 62.5 | Confirmed | Anton de Révay † | Bishop of Nitra, Slovakia |
| 68.0 | Appointed | Anselmo Rodríguez Merino, O.S.B. † | Bishop of Almería, Spain |
| 34.7 | Appointed | Sébastien-Charles-Philibert de Roger de Cahuzac de Caux † | Titular Bishop of Assuras | Bishop Emeritus of Aire, France |
| 34.7 | Confirmed | Sébastien-Charles-Philibert de Roger de Cahuzac de Caux † | Coadjutor Bishop of Aire, France | Bishop Emeritus |
| 56.1 | Appointed | Agustín Rubín Cevallos † | Bishop of Jaén, Spain |
| 46.1 | Appointed | Franciszek Ksawery Rydzyński † | Auxiliary Bishop of Poznań, Poland | Bishop of Chelmno (Culma, Kulm), Poland |
| 46.1 | Appointed | Franciszek Ksawery Rydzyński † | Titular Bishop of Nilopolis | Bishop of Chelmno (Culma, Kulm), Poland |
| 51.6 | Confirmed | Giovanni Antioco Serra Urru (Sisra) † | Bishop of Galtelli-Nuoro (Galtelly Nori), Italy |
| 59.6 | Confirmed | Joăo Teixeira de Carvalho † | Bishop of Elvas, Portugal |
| 61.9 | Appointed | Carlo Zangari † | Bishop of Assisi, Italy |
| 51.6 | Confirmed | Franz Melchior Joseph Zen-Ruffinen † | Bishop of Sion {Sitten}, Switzerland |
| 21 Sep | 44.5 | Ordained Bishop | Filippo Antonio Buffa, O.F.M. Conv. † | Titular Bishop of Zenopolis in Lycia | Auxiliary Bishop of Ostia (-Velletri), Italy |
| 61.9 | Ordained Bishop | Carlo Zangari † | Bishop of Assisi, Italy |
| 23 Sep | 24.2 | Ordained Priest | Bernhard Boll, O. Cist. † | Priest of Order of Cistercians | Archbishop of Freiburg im Breisgau, Germany |
| 22.8 | Ordained Priest | Carlo Francesco Carnevale † | Priest of Tortona, Italy | Bishop |
| 24.0 | Ordained Priest | José Maria de Melo, C.O. † | Priest of Confederation of Oratorians of St. Philip Neri | Bishop Emeritus of Faro {Algarve}, Portugal |
| 24 Sep | | Born | Francisco da Măe dos Homens Anes de Carvalho, O.A.D. † | | Archbishop of Évora, Portugal |
| 27 Sep | 61.8 | Appointed | Pasquale Acquaviva d’Aragona † | Cardinal, Cardinal-Deacon of Sant’Eustachio |
| 23.8 | Confirmed | Max Franz (Maximilian Franciscus) von Habsburg-Lothringen (Österreich) † | Coadjutor Archbishop of Köln {Cologne}, Germany | Archbishop |
| 23.8 | Confirmed | Max Franz (Maximilian Franciscus) von Habsburg-Lothringen (Österreich) † | Coadjutor Bishop of Münster, Germany | Archbishop of Köln {Cologne}, Germany |
| 62.9 | Appointed | Bernardo Pinto Ribeiro Seixas † | Bishop of Bragança e Miranda, Portugal |
| 52.7 | Appointed | Gregorio Antonio Maria Salviati † | Cardinal-Deacon of Santa Maria in Cosmedin | Cardinal, Cardinal-Deacon of Santa Maria in Via Lata |
| 28 Sep | | Born | Manuel Posada y Garduńo † | | Archbishop of México, Federal District |
| 4 Oct | 64.9 | Died | Tommaso Pacelli † | Bishop of Bovino, Italy |
| 8 Oct | 34.8 | Ordained Bishop | Sébastien-Charles-Philibert de Roger de Cahuzac de Caux † | Titular Bishop of Assuras | Bishop Emeritus of Aire, France |
| 9 Oct | 41.9 | Appointed | Johann Joseph Schüller von Ehrenthal † | Prefect of Lausitz (Lusatia), Germany |
| 15 Oct | 40.1 | Installed | Charles-Eugčne de Valperga de Maglione † | Bishop of Nice, France | Bishop Emeritus |
| 20 Oct | 58.3 | Died | Giovanni Luca Garagnin † | Archbishop of Split (Spalato), Croatia |
| 25 Oct | 59.2 | Succeeded | Ferdynand Onufry Kicki † | Archbishop of Lviv, Ukraine |
| 80.1 | Died | Wacław Hieronim Sierakowski † | Archbishop of Lviv, Ukraine |
| 26 Oct | | Born | Joăo Damasceno Da Silva Póvoas † | | Bishop of Angola e Congo |
| 27 Oct | 70.6 | Died | Olivier-Simon Le Bon, M.E.P. † | Vicar Apostolic of Siam, Thailand |
| 29 Oct | 34.4 | Selected | Louis-François-Alexandre de Jarente de Senas d’Orgeval † | Coadjutor Bishop of Orléans, France | Bishop Emeritus |
| 30 Oct | 65.6 | Selected | Jason Jan Junosza Smogorzewski, O.S.B.M. † | Archbishop of Kyiv-Halyč {Kiev} (Ukrainian), Ukraine |
| 53.7 | Installed | José Campos Julián, O.C.D. † | Bishop of Córdoba (Tucumán), Argentina | Archbishop of La Plata o Charcas, Bolivia |
| 31 Oct | | Born | Imrich Palugyay de Eaden et Bodafalva † | | Bishop of Nitra, Slovakia |
| Nov | 63.1 | Appointed | Francesco Saverio de Zelada † | Pro-Prefect of the Congregation of Bishops and Regulars | Cardinal, Archivist of the Vatican Secret Archive |
| 4 Nov | 62.8 | Died | Bernardo de Săo Caetano, O.S.A. † | Bishop of Săo Tomé of Meliapore, India |
| 5 Nov | 67.0 | Died | Francesco Maria Cotroneo † | Titular Bishop of Zoara |
| 12 Nov | 51.8 | Ordained Bishop | Franz Melchior Joseph Zen-Ruffinen † | Bishop of Sion {Sitten}, Switzerland |
| 16 Nov | | Born | Francesco Strani † | | Bishop of Massa Carrara, Italy |
| 17 Nov | 56.1 | Died | Marian (Josef Leodegar) Müller, O.S.B. † | Abbot of Maria Einsiedeln, Switzerland |
| 19 Nov | | Born | Fernando Cuero y Caicedo, O.F.M. Obs. † | | Bishop of Popayán, Colombia |
| 26 Nov | 64.1 | Ordained Bishop | José Luis Mollinedo † | Bishop of Palencia, Spain |
| 56.3 | Ordained Bishop | Agustín Rubín Cevallos † | Bishop of Jaén, Spain |
| 27 Nov | 34.4 | Died | Girolamo Luigi Crivelli † | Bishop of Nepi e Sutri, Italy |
| 28 Nov | | Died | Mikaël Petros III Kasparian † | Patriarch of Cilicia (Armenian), Lebanon |
| 30 Nov | 64.3 | Ordained Bishop | Juan García Montenegro † | Bishop of Urgell, Spain |
| 45.2 | Ordained Bishop | John Geddes † | Titular Bishop of Marocco o Marruecos, Titular Sees | Coadjutor Vicar Apostolic Emeritus of Lowland District, Scotland, Great Britain |
| 45.3 | Ordained Bishop | José do Menino Jesus (Deus), O.C.D. † | Bishop of Săo Luís do Maranhăo, Brazil | Bishop of Viseu, Portugal |
| 68.2 | Ordained Bishop | Anselmo Rodríguez Merino, O.S.B. † | Bishop of Almería, Spain |
| 1 Dec | | Elected | Parsegh Petros IV Avkadian † | Patriarch of Cilicia (Armenian), Lebanon |
| Born | Angelo Maria Ficcarelli (Ficarelli) † | | Bishop of Reggio Emilia, Italy |
| 3 Dec | | Born | Francisco Javier Luna-Pizarro y Pacheco de Chávez † | | Archbishop of Lima, Peru |
| Born | Francisco Javier Rodríguez y Obregón † | | Bishop of Badajoz, Spain |
| 4 Dec | 47.5 | Selected | Beat (Marzell) Küttel von Gersau, O.S.B. † | Abbot of Maria Einsiedeln, Switzerland |
| 54.9 | Died | Pietro Colonna-Pamphili † | Cardinal, Cardinal-Priest of Santa Maria in Trastevere |
| 11 Dec | 56.0 | Elevated to Cardinal | Vincenzo Maria Altieri † | |
| 68.0 | Appointed | Paolo Francesco Antamori † | Cardinal, Bishop of Orvieto, Italy |
| 68.0 | Elevated to Cardinal | Paolo Francesco Antamori † | Cardinal, Bishop of Orvieto, Italy |
| 54.8 | Appointed | Francisco Cuadrillero Mota † | Bishop of Mondońedo, Spain |
| 45.6 | Confirmed | Johann Leopold von Hay † | Bishop of Hradec Králové, Czechia |
| 45.6 | Installed | František de Paula Hrzán z Harasova † | Cardinal-Priest of San Girolamo dei Croati | Cardinal, Bishop of Szombathely, Hungary |
| 34.5 | Appointed | Louis-François-Alexandre de Jarente de Senas d’Orgeval † | Titular Bishop of Olba | Bishop Emeritus of Orléans, France |
| 34.5 | Confirmed | Louis-François-Alexandre de Jarente de Senas d’Orgeval † | Coadjutor Bishop of Orléans, France | Bishop Emeritus |
| 64.3 | Appointed | Lorenzo Lay y Anzano, O.P. † | Bishop of Segorbe, Spain |
| 50.8 | Elevated to Cardinal | Giovanni Ottavio Manciforte Sperelli † | Cardinal, Titular Archbishop of Teodosia |
| 54.6 | Appointed | Roque Martín Merino † | Bishop of Teruel, Spain |
| 54.9 | Appointed | Santiago Palmero Escada † | Bishop of Badajoz, Spain |
| 51.2 | Appointed | Antonio María de los Reyes Almada, O.F.M. Obs. † | Bishop of Sonora, México |
| 32.1 | Appointed | Felix von Stubenberg † | Auxiliary Bishop of Eichstätt, Germany |
| 32.1 | Appointed | Felix von Stubenberg † | Titular Bishop of Tanagra | Auxiliary Bishop of Eichstätt, Germany |
| 38.1 | Appointed | Gabriel Zerdahely † | Auxiliary Bishop of Vác, Hungary | Bishop of Banská Bystrica, Slovakia |
| 38.1 | Appointed | Gabriel Zerdahely † | Titular Bishop of Titopolis | Bishop of Banská Bystrica, Slovakia |
| 15 Dec | 17.2 | Professed | Serafino Matteo Ignazio Marie Carchero, O.F.M. Cap. † | Member of Order of Friars Minor Capuchin | Bishop of Bisarchio o Bisarcio (Ozieri), Italy |
| 16 Dec | 77.7 | Died | Juan Tomás de Boxadors y Sureda de San Martín, O.P. † | Cardinal, Cardinal-Priest of San Sisto |
| 66.2 | Died | Gennaro Antonio de Simone † | Cardinal, Bishop Emeritus of Pesaro, Italy |
| 20 Dec | 37.9 | Appointed | Matthew Lennan † | Bishop of Dromore, Ireland |
| 21 Dec | 24.1 | Ordained Priest | Patrício da Silva, O.E.S.A. † | Priest of Order of Hermits of St. Augustine | Cardinal, Patriarch of Lisboa {Lisbon}, Portugal |
| 22 Dec | 65.0 | Died | Giovanni Costanzio Caracciolo † | Cardinal, Cardinal-Deacon of Sant’Eustachio |
| 23 Dec | 54.2 | Appointed | Giuseppe Antonio Albertini, O.C.D. † | Vicar Apostolic of Malabar, India | Vicar Apostolic Emeritus |
| 54.2 | Appointed | Giuseppe Antonio Albertini, O.C.D. † | Titular Bishop of Castoria | Vicar Apostolic Emeritus of Malabar, India |
| 38.1 | Ordained Bishop | Anton Andrássy † | Bishop of Rožňava, Slovakia |
| 22.9 | Ordained Priest | Nicola Coppola, C.O. † | Priest of Confederation of Oratorians of St. Philip Neri | Bishop of Nola, Italy |
| 30.2 | Ordained Priest | Domenico Fendale † | Priest | Bishop of Crotone (Cotrone), Italy |
| 25.0 | Ordained Priest | Paolo Filipponi † | Priest | Titular Archbishop of Patrae (Veters) |
| 24.6 | Ordained Priest | Jean-Pierre de Gallien de Chabons † | Priest | Bishop Emeritus of Amiens, France |
| 21.9 | Ordained Deacon | Alois Jozef Krakowski von Kolowrat † | Deacon | Archbishop of Praha {Prague}, Czechia |
| 66.2 | Died | Mario Marefoschi Compagnoni † | Cardinal, Prefect of the Congregation of (Sacred) Rites |
| 22.8 | Ordained Priest | Franz Ignaz von Streber † | Priest of Other | Auxiliary Bishop of München und Freising {Munich}, Germany |
| 27.4 | Ordained Priest | Roch-Etienne de Vichy † | Priest | Bishop of Autun, France |
| 40.9 | Ordained Deacon | Antonio Felice Zondadari † | Deacon | Cardinal, Archbishop of Siena, Italy |
| 28 Dec | | Born | Innocenzo Castracane degli Antelminelli † | | Bishop of Cesena, Italy |