| Date | Age | Event | Bishop | Title | Current Title |
| 5 Jul | 50.5 | Died | Joaquín Santiyán Valdivieso † | Archbishop of Tarragona, Spain |
| 7 Jul | | Born | Juan Cayetano José María Gómez de Portugal y Solis † | San Pedro Piedra Gorda | Bishop of Michoacán, México |
| 10 Jul | 44.7 | Appointed | Johann Joseph Schüller von Ehrenthal † | Titular Bishop of Danaba | Prefect of Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany |
| 16 Jul | | Born | Jacopo De’ Foretti † | Padova | Bishop of Chioggia, Italy |
| 17 Jul | 55.6 | Appointed | Giuseppe Maria Corte † | Bishop of Mondovi, Italy |
| 18 Jul | 53.6 | Appointed | Manuel Abad Lasierra † | Bishop of Ibiza, Spain | Bishop Emeritus of Astorga, Spain |
| 43.3 | Appointed | José Nicolau de Azevedo Coutinho Gentil † | Titular Bishop of Zoara | Prelate Emeritus of Goiás, Brazil |
| 53.5 | Appointed | Ottavio Boni † | Titular Archbishop of Nazianzus |
| 53.4 | Appointed | Gregorio Cerati, O.S.B. † | Bishop of Piacenza, Italy |
| 64.8 | Appointed | José Escalzo Miguel, O.S.B. † | Bishop of Cádiz, Spain |
| 39.4 | Confirmed | François de Fontanges † | Bishop of Nancy, France | Bishop of Autun, France |
| 38.5 | Appointed | Kajetan Ignacy Kicki † | Auxiliary Bishop of Lviv, Ukraine | Archbishop |
| 38.5 | Appointed | Kajetan Ignacy Kicki † | Titular Bishop of Soli | Archbishop of Lviv, Ukraine |
| 70.9 | Appointed | Carlo Vittorio Amedeo delle Lanze † | Cardinal-Priest of San Lorenzo in Lucina | Cardinal, Prefect of the Congregation of the Council |
| 45.4 | Appointed | Giuseppe Gioacchino Lovera † | Bishop of Saluzzo, Italy |
| 39.5 | Confirmed | Louis-Apolinaire de La Tour du Pin-Montauban † | Archbishop of Auch, France | Bishop of Troyes, France |
| 38.0 | Appointed | Josephus Marques da Silva, O.C.D. † | Bishop of Cochin, India |
| 48.5 | Appointed | José do Menino Jesus (Deus), O.C.D. † | Bishop of Viseu, Portugal |
| 50.7 | Appointed | Antônio de Pádua e Belas, O.F.M. † | Bishop of São Luís do Maranhão, Brazil | Bishop Emeritus |
| 53.0 | Appointed | Carlo Maurizio Peiretti † | Bishop of Tortona, Italy |
| 56.6 | Confirmed | Franz Joseph Sigismund von Roggenbach † | Bishop of Basel, Switzerland |
| 56.4 | Confirmed | Giacinto Rolfi, O.S.A. † | Bishop of Iglesias, Italy |
| 66.8 | Appointed | Giovanni Baptista Santonini † | Titular Bishop of Samaria | Titular Bishop of Famagusta |
| 77.7 | Appointed | Isidoro Sanchez de Luna, O.S.B. † | Titular Archbishop of Tarsus | Archbishop Emeritus of Salerno, Italy |
| 52.5 | Appointed | Giovanni Andrea Serrao † | Bishop of Potenza, Italy |
| 56.4 | Confirmed | Emmanuel Felix Soares (de Santa Catarina), O.C.D. † | Archbishop of Goa, India |
| 36.5 | Appointed | Maria José a Santo Tomas, O.P. † | Prelate of Mozambico, Mozambique |
| 36.5 | Appointed | Maria José a Santo Tomas, O.P. † | Titular Bishop of Pentacomia | Prelate of Mozambico, Mozambique |
| 43.7 | Appointed | Jean-Baptiste-Auguste de Villoutreix de Faye † | Bishop of Oloron (Oloron-Sainte-Marie), France |
| 60.8 | Appointed | Stephan Alexander Würdtwein † | Auxiliary Bishop of Worms, Germany |
| 60.8 | Appointed | Stephan Alexander Würdtwein † | Titular Bishop of Heliopolis in Augustamnica | Auxiliary Bishop of Worms, Germany |
| 20 Jul | 45.4 | Ordained Bishop | Giuseppe Gioacchino Lovera † | Bishop of Saluzzo, Italy |
| 53.0 | Ordained Bishop | Carlo Maurizio Peiretti † | Bishop of Tortona, Italy |
| 52.5 | Ordained Bishop | Giovanni Andrea Serrao † | Bishop of Potenza, Italy |
| 21 Jul | 43.1 | Died | Giovanni Battista Rezzonico † | Cardinal, Cardinal-Deacon of San Nicola in Carcere |
| 23 Jul | 58.3 | Died | Gaspard-Augustin Laurent de Sainte-Agnès, O.F.M. Conv. † | Archbishop of Tarentaise (Moûtiers-en-Tarentaise), France |
| 25 Jul | 53.5 | Ordained Bishop | Ottavio Boni † | Titular Archbishop of Nazianzus |
| Aug | 80.2 | Died | Antonio Francesco de Plato † | Bishop of Tricarico, Italy |
| 9 Aug | 83.3 | Died | Hieronim Antoni Szeptycki † | Bishop of Płock, Poland |
| 10 Aug | 53.5 | Ordained Bishop | Gregorio Cerati, O.S.B. † | Bishop of Piacenza, Italy |
| 57.6 | Died | Francisco de São Simão, O.F.M. † | Bishop of Santiago de Cabo Verde |
| 12 Aug | | Born | Francesco Lewiński † | Lewinko | Auxiliary Bishop of Janów Podlaski (Podlaska o Janów), Poland |
| 17 Aug | 53.6 | Ordained Bishop | Manuel Abad Lasierra † | Bishop of Ibiza, Spain | Bishop Emeritus of Astorga, Spain |
| 64.9 | Ordained Bishop | José Escalzo Miguel, O.S.B. † | Bishop of Cádiz, Spain |
| 39.4 | Ordained Bishop | François de Fontanges † | Bishop of Nancy, France | Bishop of Autun, France |
| 49.7 | Ordained Bishop | Ildefonso Molina Santaella † | Bishop of Ciudad Rodrigo, Spain |
| 43.8 | Ordained Bishop | Jean-Baptiste-Auguste de Villoutreix de Faye † | Bishop of Oloron (Oloron-Sainte-Marie), France |
| 24 Aug | 59.7 | Ordained Bishop | Berndard-Emmanuel (François-Pierre) de Lenzbourg, O. Cist. † | Bishop of Lausanne, Switzerland |
| 30 Aug | 17.7 | Professed | St. Domingo Henares, O.P. † | Member of Order of Friars Preachers | Coadjutor Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viet Nam |
| 31 Aug | 60.9 | Ordained Bishop | Stephan Alexander Würdtwein † | Titular Bishop of Heliopolis in Augustamnica | Auxiliary Bishop of Worms, Germany |
| Sep | 35.3 | Ordained Priest | Alessandro Malvasia † | Priest | Cardinal, Cardinal-Priest of Santa Croce in Gerusalemme |
| 19 Sep | 70.7 | Died | Joseph Rolin de Morel de Mons † | Bishop Emeritus of Viviers (Aps), France |
| 20 Sep | 24.0 | Ordained Priest | Nicola Caldora † | Priest | Bishop Emeritus of Venosa, Italy |
| 57.6 | Died | Jean-Auguste Frétat de Sarra † | Bishop of Nantes, France |
| 22.9 | Ordained Priest | Ignazio Greco † | Priest | Bishop of Oppido Mamertina, Italy |
| 24.6 | Ordained Priest | Alexis Saussol † | Priest | Bishop of Sées, France |
| 23.0 | Ordained Priest | Antonio Maria Trigona † | Priest | Archbishop Emeritus of Messina, Italy |
| 22.9 | Ordained Priest | Ottavio Zollio † | Priest | Bishop of Rimini, Italy |
| 21 Sep | 79.9 | Died | Jacques-Marie de Caritat de Condorcet † | Bishop of Lisieux, France |
| 44.9 | Ordained Bishop | Johann Joseph Schüller von Ehrenthal † | Titular Bishop of Danaba | Prefect of Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany |
| 22 Sep | 69.7 | Resigned | Grigore Maior, O.S.B.M. † | Bishop of Făgăraş (Romanian), Romania | Bishop Emeritus |
| 28 Sep | 56.6 | Ordained Bishop | Giacinto Rolfi, O.S.A. † | Bishop of Iglesias, Italy |
| 29 Sep | 56.8 | Ordained Bishop | Franz Joseph Sigismund von Roggenbach † | Bishop of Basel, Switzerland |
| 67.0 | Ordained Bishop | Giovanni Baptista Santonini † | Titular Bishop of Samaria | Titular Bishop of Famagusta |
| 30 Sep | 57.1 | Appointed | Pietro Craveri, O.F.M. † | Titular Bishop of Aenus | Bishop of Galtelli-Nuoro (Galtelly Nori), Italy |
| Oct | 56.8 | Died | Josephus Maria Incisa Beccaria † | Archbishop of Sassari, Italy |
| 3 Oct | | Born | Francisco Javier García Casarrubios y Melgar, O. Cist. † | Lillo | Bishop of Tui, Spain |
| 6 Oct | 62.3 | Died | Antoine-René Bardonnenche † | Bishop of Vence, France |
| 12 Oct | 57.2 | Ordained Bishop | Pietro Craveri, O.F.M. † | Titular Bishop of Aenus | Bishop of Galtelli-Nuoro (Galtelly Nori), Italy |
| 23.0 | Ordained Priest | Alexander (Sandor) Rudnay Divékújfalusi † | Priest | Cardinal, Archbishop of Esztergom, Hungary |
| 20 Oct | | Born | Jerónimo José da Costa Rebêlo † | Braga | Bishop of Porto, Portugal |
| 26 Oct | 75.8 | Died | Plaicart de Raigecourt † | Bishop of Aire, France |
| 37.9 | Succeeded | Sébastien-Charles-Philibert de Roger de Cahuzac de Caux † | Bishop of Aire, France | Bishop Emeritus |
| 3 Nov | | Born | Carlos Laborda Clau † | Barbuñales | Bishop of Palencia, Spain |
| 9 Nov | 45.7 | Installed | Giuseppe Gioacchino Lovera † | Bishop of Saluzzo, Italy |
| 18 Nov | 56.8 | Died | Pasquale Maria Mastrilli, C.R. † | Titular Archbishop of Nazareth |
| 20 Nov | 61.8 | Selected | Alexander Franz Joseph Engl von und zu Wagrain † | Bishop of Leoben, Austria |
| 34.8 | Selected | Franz Xaver von Salm-Reifferscheidt-Krautheim † | Cardinal, Bishop of Gurk, Austria |
| 22 Nov | | Born | Celestino Maria Cocle, C.SS.R. † | San Giovanni Rotondo, Italy | Titular Archbishop of Patrae (Veters) |
| 29 Nov | 79.6 | Died | Pierre François de Sales de Thorens † | Bishop of Aosta, Italy |
| 30 Nov | 79.1 | Died | Felipe Beltrán Serrano † | Bishop of Salamanca, Spain |
| 22.3 | Ordained Deacon | Karl Joseph von Riccabona † | Deacon of Regensburg, Germany | Bishop of Passau, Germany |
| 5 Dec | 79.9 | Died | Lourenço (Franciscus) de Santa Maria (de Mello), O.F.M. † | Bishop of Faro {Algarve}, Portugal |
| 55.1 | Succeeded | André Teixeira Palha † | Bishop of Faro {Algarve}, Portugal |
| 11 Dec | 52.3 | Appointed | Stanislaw Jan Siestrzencewicz Bohusz † | Archbishop of Mohilev, Belarus |
| 14 Dec | 43.7 | Ordained Bishop | José Nicolau de Azevedo Coutinho Gentil † | Titular Bishop of Zoara | Prelate Emeritus of Goiás, Brazil |
| 35.8 | Selected | Jean-Joseph-Victor de Castellane-Adhémar † | Bishop of Senez, France |
| 51.2 | Ordained Bishop | Antônio de Pádua e Belas, O.F.M. † | Bishop of São Luís do Maranhão, Brazil | Bishop Emeritus |
| 46.4 | Ordained Bishop | Domingo do Rosario, O.P. † | Bishop of São Tomé e Príncipe |
| 15 Dec | 44.2 | Confirmed | Ioan (Janos) Bob (Babb) † | Bishop of Făgăraş (Romanian), Romania |
| 66.7 | Appointed | Joaquim Xavier Botelho de Lima † | Archbishop of Évora, Portugal |
| 63.8 | Appointed | Vitaliano Borromeo † | Cardinal-Priest of Santa Prassede | Cardinal, Titular Archbishop of Thebae |
| 44.7 | Appointed | Francisco Casto Royo † | Titular Archbishop of Amida |
| 52.9 | Appointed | Innocenzo Conti † | Cardinal-Priest of Santa Maria in Ara Coeli | Cardinal, Titular Archbishop of Tyrus |
| 48.5 | Appointed | Aloysius Cusani † | Archbishop of Oristano, Italy |
| Appointed | Ignace Michel III Djarwé (Jarweh) † | Patriarch of Antiochia {Antioch} (Syrian), Lebanon |
| Appointed | Ignace Michel III Djarwé (Jarweh) † | Bishop of Beirut {Bairut} (Syrian), Lebanon | Patriarch of Antiochia {Antioch} (Syrian), Lebanon |
| 60.3 | Appointed | Esteban Lorenzo de Tristán y Esmenota † | Bishop of Durango, México | Bishop of Guadalajara, Jalisco, México |
| 49.0 | Appointed | Jules-Basile Ferron de La Ferronnays † | Bishop of Lisieux, France |
| 26.1 | Appointed | Lorenzo Gómez Haedo † | Bishop of Segorbe, Spain |
| 43.6 | Appointed | Charles-Eutrope de La Laurancie † | Bishop of Nantes, France |
| 59.3 | Appointed | Agustín Lezo Palomeque † | Archbishop of Zaragoza, Spain |
| 51.6 | Appointed | Alfonso Marcos Llanes † | Archbishop of Sevilla {Seville}, Spain |
| 62.5 | Appointed | Antonio Andrés López Arroyo, O.F.M. † | Bishop of Astorga, Spain |
| 63.1 | Appointed | Sebastián Malvar y Pinto, O.F.M. † | Archbishop of Santiago de Compostela, Spain |
| 76.8 | Appointed | Nicola Molinari, O.F.M. Cap. † | Bishop of Bovino, Italy |
| 44.0 | Appointed | Etienne-Joseph de Pavée de Villevieille † | Bishop of Bayonne, France |
| 41.0 | Appointed | Charles-François-Joseph Pisani de La Gaude † | Bishop of Vence, France | Bishop of Namur {Namen}, Belgium |
| 59.3 | Appointed | Francisco Antonio de San Miguel Iglesia Cajiga, O.S.H. † | Bishop of Michoacán, México |
| 53.2 | Appointed | Jerónimo María Torres † | Bishop of Lérida, Spain |
| 49.6 | Appointed | Francisco Veyán y Mola † | Bishop of Vic, Spain |
| 17 Dec | | Born | José Miguel Carrión y Valdivieso † | Loja | Auxiliary Bishop of Quito, Ecuador |
| 18 Dec | | Born | Luigi Maria Parisio (Canisio) † | Napoli | Archbishop of Gaeta, Italy |
| 20 Dec | 23.0 | Ordained Priest | Zaccaria Boccardo, O.F.M. Cap. † | Priest of Order of Friars Minor Capuchin | Bishop of Crotone (Cotrone), Italy |
| 24.0 | Ordained Priest | Andrea Bratti † | Priest | Bishop of Forli, Italy |
| 24.5 | Ordained Priest | Francesco Saverio Caruana † | Priest | Bishop of Malta |
| 23.5 | Ordained Priest | Joseph Ludwig Colmar † | Priest of Strasbourg, France | Bishop of Mainz, Germany |
| 24.1 | Ordained Priest | Leopoldo Corigliano † | Priest | Bishop Emeritus of Nardò, Italy |
| 24.2 | Ordained Priest | Gaétan Giunta † | Priest | Titular Archbishop of Amida |
| 22.4 | Ordained Priest | Karl Joseph von Riccabona † | Priest of Regensburg, Germany | Bishop of Passau, Germany |
| 22.6 | Ordained Priest | Maria-Thaddeus von Trauttmansdorf Wiensberg † | Priest of Olomouc, Czech Republic | Cardinal, Archbishop |
| 61.2 | Installed | Rafael José Verger y Suau, O.F.M. † | Bishop of Linares o Nueva León, Nuevo León, México |
| 23 Dec | 58.0 | Appointed | Laurence Nihill, S.J. † | Bishop of Kilfenora, Ireland |
| 58.0 | Appointed | Laurence Nihill, S.J. † | Apostolic Administrator of Kilmacduagh, Ireland | Bishop of Kilfenora, Ireland |
| 26 Dec | 65.8 | Died | Antonius de Révay † | Bishop of Nitra, Slovakia |
| 30 Dec | 66.4 | Died | Giovanni Pietro Riboli † | Bishop of Hvar (Lesina), Croatia |