| Date | Age | Event | Bishop | Title | Current Title |
|---|
| unknown | | Born | Girolamo Aprile Benso † | Caltagirone | Bishop of Piazza Armerina, Italy |
| Born | Roque José Carpena Díaz, O.P. † | Yecla, Spain | Vicar Apostolic of Foreign Vicariate |
| Born | José Ignacio Cortázar y Labayen † | Santiago de Guayaquil | Bishop of Cuenca, Ecuador |
| 60.0 | Appointed | Jan Dembowski † | Bishop of Foreign Diocese |
| 56.3 | Ordained Bishop | Luis García Mañero † | Bishop of Tortosa, Spain | Archbishop of Zaragoza, Spain |
| Died | Camillo Marazzani † | Bishop of Parma, Italy |
| Died | Bernardo José Pérez de Oblitas † | Bishop of Santa Cruz de la Sierra, Bolivia |
| 21.6 | Ordained Priest | Tomás de Roa y Alarcón † | Priest of Concepción, Chile | Bishop |
| Died | Waclaw Hieronim Sierakowski † | Bishop of Przemyśl, Poland |
| Died | Domenico Zicari † | Archbishop of Reggio Calabria, Italy |
| 7 Jan | 81.2 | Retired | José Botelho de Matos † | Archbishop of São Salvador da Bahia, Brazil | Archbishop Emeritus |
| 19 Jan | | Born | Ildefonso Cañedo Vigil † | Grullos de Candamo | Archbishop of Burgos, Spain |
| 22 Jan | 34.1 | Appointed | Antonius Reichsgraf von Herberstein, C.R. † | Bishop of Trieste, Italy |
| 23 Jan | | Born | Georg Michael Wittmann † | Pleystein | Auxiliary Bishop of Regensburg, Germany |
| 27 Jan | 37.7 | Ordained Priest | Francesco Carafa della Spina di Traetto † | Priest | Cardinal, Prefect of the Congregation of Bishops and Regulars |
| Born | Louis-Charles-François de La Tour-Landorte † | Saint-Ignan | Bishop of Pamiers, France |
| 28 Jan | 37.7 | Appointed | Francesco Carafa della Spina di Traetto † | Titular Archbishop of Patrae (Veters) | Cardinal, Prefect of the Congregation of Bishops and Regulars |
| 35.5 | Appointed | Bernardino Honorati † | Titular Archbishop of Side | Cardinal, Bishop of Senigallia, Italy |
| 46.6 | Appointed | Antonio Eugenio Visconti † | Titular Archbishop of Ephesus | Cardinal, Cardinal-Priest of S. Croce in Gerusalemme |
| 43.5 | Confirmed | Emmanuel Ernst Reichsgraf von Waldstein † | Bishop of Litomĕrice, Czech Republic |
| 9 Feb | 40.3 | Appointed | Lazzaro Opiziio Pallavicino † | Apostolic Nuncio to Spain | Cardinal, Secretary of the Secretariat of State |
| 16 Feb | 37.8 | Ordained Bishop | Francesco Carafa della Spina di Traetto † | Titular Archbishop of Patrae (Veters) | Cardinal, Prefect of the Congregation of Bishops and Regulars |
| 46.7 | Ordained Bishop | Antonio Eugenio Visconti † | Titular Archbishop of Ephesus | Cardinal, Cardinal-Priest of S. Croce in Gerusalemme |
| 17 Feb | | Born | Angelico Mestria, O.F.M. Cap. † | Ferrandina | Bishop of Ugento, Italy |
| 22 Feb | 46.7 | Appointed | Antonio Eugenio Visconti † | Apostolic Nuncio to Poland | Cardinal, Cardinal-Priest of S. Croce in Gerusalemme |
| 25 Feb | 35.6 | Ordained Bishop | Bernardino Honorati † | Titular Archbishop of Side | Cardinal, Bishop of Senigallia, Italy |
| 29 Feb | 64.4 | Died | Claude de Rouvroy de Saint-Simon † | Bishop of Metz, France |
| 1 Mar | 56.1 | Died | Franz Dominikus Reichsgraf von Almesloe † | Auxiliary Bishop of Wrocław, Poland |
| 23.0 | Ordained Priest | Vittorio Maria Baldassare Gaetano Costa d'Arignano † | Priest of Torino {Turin}, Italy | Cardinal, Archbishop |
| 3 Mar | 43.3 | Appointed | Johann Andreas Kaiser † | Auxiliary Bishop of Praha {Prague}, Czech Republic | Bishop of Hradec Králové, Czech Republic |
| 43.3 | Appointed | Johann Andreas Kaiser † | Titular Bishop of Themisonium | Bishop of Hradec Králové, Czech Republic |
| 47.1 | Appointed | Johann Anton Reichsfreiherr von Wolframsdorf † | Auxiliary Bishop of Regensburg, Germany |
| 47.1 | Appointed | Johann Anton Reichsfreiherr von Wolframsdorf † | Titular Bishop of Arethusa | Auxiliary Bishop of Regensburg, Germany |
| 5 Mar | | Born | Lodovico de Gallo, O.F.M. Cap. † | Lagonero | Archbishop of Santa Severina, Italy |
| 19 Mar | 43.7 | Installed | Emmanuel Ernst Reichsgraf von Waldstein † | Bishop of Litomĕrice, Czech Republic |
| 22 Mar | 24.2 | Ordained Priest | Pedro Benito Antonio Quevedo y Quintano † | Priest of Salamanca, Spain | Cardinal, Bishop of Orense, Spain |
| 24 Mar | 48.6 | Confirmed | Heinrich Bibra, O.S.B. † | Bishop of Fulda, Germany |
| 54.2 | Appointed | Miguel de Bulhões e Souza, O.P. † | Bishop of Leiria, Portugal |
| 44.4 | Appointed | João Cosme da Cunha (de Nossa Senhora da Porta), O.C.S.A. † | Cardinal, Archbishop of Évora, Portugal |
| 25.5 | Appointed | Louis-René-Edouard de Rohan-Guéménée † | Titular Bishop of Canopus | Cardinal, Bishop Emeritus of Strasbourg, France |
| 25.5 | Confirmed | Louis-René-Edouard de Rohan-Guéménée † | Coadjutor Bishop of Strasbourg, France | Cardinal, Bishop Emeritus |
| 48.6 | Appointed | João de São José de Queiroz da Silveira, O.S.B. † | Bishop of Belém do Pará, Brazil | Bishop Emeritus |
| 27 Mar | 50.3 | Died | Arnaud-François Lefèbvre, M.E.P. † | Vicar Apostolic of Cochin {Cocincina}, Viêt Nam |
| 31 Mar | 76.2 | Died | Henri-Ignace de Brancas † | Bishop of Lisieux, France |
| 4 Apr | | Born | Josef von Hommer † | Koblenz | Bishop of Trier, Germany |
| 5 Apr | 33.5 | Ordained Priest | Vincenzo Ranuzzi † | Priest | Cardinal, Bishop of Ancona e Numana, Italy |
| 13 Apr | 43.4 | Ordained Bishop | Johann Andreas Kaiser † | Titular Bishop of Themisonium | Bishop of Hradec Králové, Czech Republic |
| 21 Apr | 56.5 | Appointed | Juan Francisco Manrique Lara † | Bishop of Plasencia, Spain |
| 27 Apr | 59.3 | Died | Pedro Martínez de Oneca † | Bishop of Puerto Rico (Porto Rico) |
| 1 May | 86.3 | Died | José de Toro y Zambrano † | Bishop of Concepción, Chile |
| 10 May | 48.8 | Ordained Bishop | João de São José de Queiroz da Silveira, O.S.B. † | Bishop of Belém do Pará, Brazil | Bishop Emeritus |
| 18 May | 25.6 | Ordained Bishop | Louis-René-Edouard de Rohan-Guéménée † | Titular Bishop of Canopus | Cardinal, Bishop Emeritus of Strasbourg, France |
| 20 May | | Born | Mariano Báguena Varona † | Peralejos, Spain | Titular Archbishop of Ancyra |
| 31 May | 23.8 | Ordained Priest | Sandor Bodonyi † | Priest | Auxiliary Bishop of Vác, Hungary |
| Jun | 47.4 | Ordained Bishop | Johann Anton Reichsfreiherr von Wolframsdorf † | Titular Bishop of Arethusa | Auxiliary Bishop of Regensburg, Germany |
| 8 Jun | 52.4 | Died | Henri-Marie du Breuil de Pontbriand † | Bishop of Québec, Québec, Canada |
| 12 Jun | | Born | Antonio Begni † | Monte Cerignone | Bishop of Montefeltro, Italy |
| 17 Jun | 72.5 | Died | Louis-Guy de Guérapin de Vauréal † | Bishop Emeritus of Rennes, France |
| 20 Jun | | Born | Santiago Creus Martí † | Mataró | Archbishop of Tarragona, Spain |
| 22 Jun | | Born | Joseph Ludwig Colmar † | Strasbourg, France | Bishop of Mainz, Germany |
| 79.2 | Died | Joaquín Fernández Portocarrero † | Cardinal, Cardinal-Bishop of Sabina |
| 30 Jun | | Born | Karl Rudolf von Buol-Schauenstein † | Innsbruck | Bishop of Chur-Sankt Gallen, Switzerland |
| 5 Jul | | Born | Pedro Manuel Ramírez de la Piscina † | Peñacerrado | Bishop of Ciudad Rodrigo, Spain |
| 17 Jul | | Born | Juan Alejo de Arizmendi de La Torre † | San Juan | Bishop of Puerto Rico (Porto Rico) |
| 20 Jul | 64.6 | Died | Ignacio Padilla Estrada (Guardiola), O.S.A. † | Bishop of Yucatán (Mérida), Yucatán, México |
| 23.0 | Ordained Priest | Domingo a Rosario, O.P. † | Priest of Order of Friars Preachers | Bishop of São Tomé e Príncipe |
| 21 Jul | 40.4 | Appointed | Giovanni Francesco Albani † | Bishop of Sabina e Poggio Mirteto, Italy | Cardinal, Bishop of Ostia (-Velletri), Italy |
| 40.4 | Appointed | Giovanni Francesco Albani † | Cardinal-Bishop of Sabina e Poggio Mirteto | Cardinal, Bishop of Ostia (-Velletri), Italy |
| 47.2 | Appointed | Isidro Carvajal Lancaster † | Bishop of Cuenca, Spain |
| 51.0 | Appointed | Augstín González Pisador † | Bishop of Oviedo, Spain |
| 57.2 | Appointed | Juan Portugal de la Puebla † | Archbishop of the unknown of Titular See | Patriarch of Constantinople, Turkey |
| 30 Jul | | Born | Rafael Andreu Guerrero † | Tarifa, Spain | Auxiliary Bishop of La Plata o Charcas, Bolivia |
| 1 Aug | | Died | Maximos II Hakim † | Patriarch of Antiochia {Antioch} (Melkite), Syria |
| 2 Aug | 20.1 | Professed | Grzegorz Zachariasiewicz † | Member of Society of Jesus | Auxiliary Bishop of Gniezno, Poland |
| 3 Aug | 57.2 | Ordained Bishop | Juan Portugal de la Puebla † | Archbishop of the unknown of Titular See | Patriarch of Constantinople, Turkey |
| 15 Aug | 19.0 | Professed | Ignacy Jan Zygmunt von Raczynski † | Member of Society of Jesus | Archbishop Emeritus of Gniezno, Poland |
| 21 Aug | 35.7 | Appointed | Louis-Joseph de Montmorency-Laval † | Bishop of Metz, France | Cardinal, Bishop Emeritus |
| 22 Aug | | Born | Annibale Francesco Clemente Melchiore Girolamo Nicola della Genga † | Monticelli di Genga | Pope (Roma {Rome}, Italy) |
| 24 Aug | 47.3 | Ordained Bishop | Isidro Carvajal Lancaster † | Bishop of Cuenca, Spain |
| 23.4 | Ordained Priest | József Király † | Priest | Bishop of Pécs, Hungary |
| 28 Aug | 63.7 | Died | Cayetano Marcellano y Agramont † | Archbishop of La Plata o Charcas, Bolivia |
| 29 Aug | 68.7 | Died | Pedro Clemente de Aróstegui † | Bishop of Osma, Spain |
| 8 Sep | 32.9 | Appointed | Etienne-Charles de Loménie de Brienne † | Bishop of Condom, France | Cardinal, Archbishop of Sens, France |
| Born | Joseph-Michel-Jean-Baptiste-Paul-Augustin Micolon de Guérines † | Ambert | Bishop of Nantes, France |
| Born | Antonio Maria Trigona † | Catania | Archbishop Emeritus of Messina, Italy |
| 14 Sep | 49.1 | Ordained Bishop | Heinrich Bibra, O.S.B. † | Bishop of Fulda, Germany |
| 17 Sep | 40.1 | Appointed | Johann Theodor von Franken-Siersdorf † | Vicar Apostolic of Upper and Lower Saxony (Hanover), Germany |
| 40.1 | Appointed | Johann Theodor von Franken-Siersdorf † | Titular Bishop of Samosata | Vicar Apostolic of Upper and Lower Saxony (Hanover), Germany |
| 19 Sep | 38.6 | Died | Johann Hildebrand Roten † | Bishop of Sion {Sitten}, Switzerland |
| 21 Sep | 40.6 | Ordained Bishop | Giovanni Francesco Albani † | Bishop of Sabina e Poggio Mirteto, Italy | Cardinal, Bishop of Ostia (-Velletri), Italy |
| 22 Sep | 53.8 | Appointed | Albert-Simon d’Aigneville de Millancourt † | Auxiliary Bishop of Cambrai, France |
| 53.8 | Appointed | Albert-Simon d’Aigneville de Millancourt † | Titular Bishop of Amyclae | Auxiliary Bishop of Cambrai, France |
| 45.5 | Appointed | Giovanni Carlo Boschi † | Cardinal, Titular Archbishop of Atenia |
| 57.2 | Appointed | Leopold Josef Hannibal Graf Petazzi de Castel Nuovo † | Bishop of Ljubljana, Slovenia |
| Oct | | Born | Samuel Vulcan † | Balãsfalva, Romania | Bishop of Foreign Diocese |
| 4 Oct | | Born | Alexander (Sandor) Rudnay Divékújfalusi † | Szentkereszt (Povazany), Slovakia | Cardinal, Archbishop of Esztergom, Hungary |
| 5 Oct | 45.5 | Ordained Bishop | Giovanni Carlo Boschi † | Cardinal, Titular Archbishop of Atenia |
| 7 Oct | | Born | Dionisio Bardaxí y Azara † | Puyarruego, Spain | Cardinal, Priest of the Roman Curia - Other |
| 20 Oct | | Born | Ramón Strauch Vidal, O.F.M. † | Tarragona | Bishop of Vic, Spain |
| 30 Oct | | Born | Jacques-Louis-David de Seguin des Hons † | Castres | Bishop of Troyes, France |
| 31 Oct | | Born | Antonio Domenico Gamberini † | Imola | Cardinal, Bishop Emeritus of Orvieto, Italy |
| 5 Nov | | Born | Niccola Mazzoni † | Viterbo | Bishop of Terni, Italy |
| 12 Nov | | Born | László Csáky de Keresztszegh † | Kluknó, Hungary | Bishop of Foreign Diocese |
| 21 Nov | 48.8 | Ordained Bishop | Francesco Pettorelli Lalatta † | Bishop of Parma, Italy |
| 23 Nov | 54.0 | Ordained Bishop | Albert-Simon d’Aigneville de Millancourt † | Titular Bishop of Amyclae | Auxiliary Bishop of Cambrai, France |
| 24 Nov | | Appointed | Philip Phillips † | Bishop of Killala, Ireland | Archbishop of Tuam, Ireland |
| 4 Dec | 60.1 | Died | Gaspar Molina Rocha, O.S.A. † | Bishop of Almería, Spain |
| 7 Dec | 25.1 | Ordained Priest | Filippo Trigona † | Priest | Bishop of Siracusa, Italy |
| 15 Dec | 58.8 | Appointed | Pedro Albornoz Tapia † | Bishop of Orihuela, Spain |
| 33.9 | Appointed | Jozef Batthyány † | Archbishop of Kalocsa, Hungary | Cardinal, Archbishop of Esztergom, Hungary |
| 64.6 | Died | Leopold Friedrich Reichsgraf von Egkh und Hungersbach † | Bishop of Olomouc, Czech Republic |
| 38.1 | Appointed | Giovanni Lercari † | Titular Archbishop of Hadrianopolis in Haemimonto | Archbishop of Genova, Italy |
| 33.2 | Confirmed | Etienne-Charles de Loménie de Brienne † | Bishop of Condom, France | Cardinal, Archbishop of Sens, France |
| 57.4 | Confirmed | Leopold Josef Hannibal Graf Petazzi de Castel Nuovo † | Bishop of Ljubljana, Slovenia |
| 18 Dec | 56.8 | Appointed | Franz Joseph Friedrich Ambuel † | Bishop of Sion {Sitten}, Switzerland |
| 20 Dec | 74.6 | Died | José Francisco de San Buenaventura Martínez de Tejada y Díez de Velasco, O.F.M. † | Bishop of Guadalajara, Jalisco, México |
| 21 Dec | 38.2 | Ordained Bishop | Giovanni Lercari † | Titular Archbishop of Hadrianopolis in Haemimonto | Archbishop of Genova, Italy |
| 31 Dec | 22.9 | Ordained Priest | Stefano Bonsignore † | Priest | Bishop of Faenza, Italy |
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