| Date | Age | Event | Bishop | Title | Current Title |
|---|
| unknown | 60.0 | Appointed | Gian Alberto De' Grandi † | Bishop of Chioggia, Italy |
| Appointed | Paolo Francesco Giustiniani † | Bishop of Treviso, Italy | Bishop Emeritus |
| Born | Adrijan Holovnja (Holownia), O.S.B.M. † | | Auxiliary Bishop Emeritus of Minsk, Belarus |
| Born | Giuseppe Manfrin Provedi † | Venezia | Bishop of Chioggia, Italy |
| 6 Jan | | Born | Baldassare Mormile, C.R. † | Napoli | Archbishop of Capua, Italy |
| 16 Jan | | Appointed | James Butler (1st) † | Coadjutor Archbishop of Cashel (-Emly), Ireland | Archbishop Emeritus |
| 17 Jan | 62.6 | Died | José Cepeda † | Bishop of Mallorca, Spain |
| 50.7 | Resigned | Andrés Licht Barrera † | Bishop of Guadix, Spain | Bishop Emeritus |
| 65.0 | Died | José Francisco Magdaleno † | Bishop of Coria, Spain |
| 18 Jan | 67.3 | Appointed | Miguel Valejo Berlanga, O.SS.T. † | Bishop of Guadix, Spain |
| 19 Jan | 69.0 | Appointed | Juan de Arechederra, O.P. † | Bishop of Nueva Segovia, Philippines | Bishop-Elect |
| 62.6 | Appointed | José Cepeda † | Bishop of Coria, Spain | Bishop of Mallorca, Spain |
| 55.0 | Appointed | João da Cruz Salgado de Castilho, O.C.D. † | Bishop of Miranda, Portugal |
| 22 Jan | | Born | Johann Nepomuk Ritter von Dankesreither † | Wien | Bishop of Sankt Pölten, Austria |
| 25 Jan | 67.3 | Ordained Bishop | Miguel Valejo Berlanga, O.SS.T. † | Bishop of Guadix, Spain |
| 1 Feb | | Born | Claude-Jean-Joseph Brulley de La Brunière † | Sézanne | Bishop of Mende, France |
| 10 Feb | | Born | Jozef Schedy † | Skalica | Bishop of the unknown of Titular See |
| 11 Feb | 82.0 | Died | Vincenzo Bichi † | Cardinal, Cardinal-Bishop of Frascati |
| 13 Feb | 55.9 | Appointed | José Ignacio Rodríguez Cornejo † | Bishop of Plasencia, Spain |
| 14 Feb | | Died | Jean-Georges de Souillac † | Bishop of Lodève, France |
| 20 Feb | 52.4 | Died | Francisco Cuartero Lumbreras † | Bishop of Segorbe, Spain |
| 21 Feb | 22.8 | Ordained Priest | Ludwig Joseph Freiherr von Welden auf Laubheim und Hohenaltingen † | Priest of Freising, Germany | Bishop |
| 23 Feb | 75.4 | Appointed | Giovanni Antonio Guadagni, O.C.D. † | Bishop of Frascati, Italy | Cardinal, Bishop of Porto e Santa Rufina, Italy |
| Appointed | Felipe Manriquez de Lara † | Bishop of Ayacucho o Huamanga, Peru |
| Mar | 35.2 | Appointed | Jean-Félix-Henri de Fumel † | Bishop of Lodève, France |
| 13 Mar | | Born | José Pegado de Azevedo † | Lisboa | Bishop of Angra, Portugal |
| 14 Mar | 25.2 | Ordained Priest | Ermenold Piesport, O.S.B. † | Priest of Order of Saint Benedict | Auxiliary Bishop of Fulda, Germany |
| 16 Mar | 44.0 | Appointed | Andrés Bustamante † | Bishop of Palencia, Spain |
| 52.8 | Appointed | Antônio da Madre de Deus Galvão, O.F.M. † | Bishop of São Paulo, Brazil |
| 25 Mar | 23.4 | Ordained Priest | Karl Aloys Graf von Königsegg und Rothenfels † | Priest of Köln {Cologne}, Germany | Auxiliary Bishop |
| 1 Apr | | Born | Etienne-André-François de Paule de Fallot de Béaupré de Beaumont † | Avignon, France | Bishop Emeritus of Vaison, France |
| Born | Jean-Paul Faudoas † | Miramont-Latour | Bishop Emeritus of Meaux, France |
| 7 Apr | | Born | Timoteo Maria Ascensi, O.C.D. † | Contigliano | Bishop of Osimo e Cingoli, Italy |
| 24 Apr | 47.3 | Appointed | Lorenzo Despuig Cotoner † | Bishop of Mallorca, Spain | Archbishop of Tarragona, Spain |
| 25 Apr | | Born | Manuel Pacheco de Resende † | Coimbra | Bishop of Aveiro, Portugal |
| 27 Apr | 35.3 | Confirmed | Jean-Félix-Henri de Fumel † | Bishop of Lodève, France |
| 51.3 | Appointed | Benito Marín, O.S.B. † | Bishop of Jaén, Spain |
| 65.6 | Appointed | Francisco Javier Sánchez Cabezón † | Bishop of Astorga, Spain |
| May | | Ordained Bishop | James Butler (1st) † | Coadjutor Archbishop of Cashel (-Emly), Ireland | Archbishop Emeritus |
| 3 May | 47.3 | Ordained Bishop | Lorenzo Despuig Cotoner † | Bishop of Mallorca, Spain | Archbishop of Tarragona, Spain |
| 10 May | 44.1 | Ordained Bishop | Andrés Bustamante † | Bishop of Palencia, Spain |
| 14 May | | Born | António José Cordeiro † | Coimbra | Bishop of Aveiro, Portugal |
| 22 May | 81.4 | Died | Matthew Pritchard, O.F.M. † | Vicar Apostolic Emeritus of Western District, England, Great Britain |
| 63.4 | Succeeded | Lawrence William York, O.S.B. † | Vicar Apostolic of Western District, England, Great Britain | Vicar Apostolic Emeritus |
| 25 May | 28.9 | Appointed | Franz Xaver Reichsfreiherr von Adelmann von Adelmannsfelden † | Auxiliary Bishop of Augsburg, Germany |
| 28.9 | Appointed | Franz Xaver Reichsfreiherr von Adelmann von Adelmannsfelden † | Titular Bishop of Mactaris | Auxiliary Bishop of Augsburg, Germany |
| 62.5 | Appointed | Francisco Díaz Santos y Bullón † | Bishop of Sigüenza, Spain | Archbishop of Burgos, Spain |
| 45.3 | Appointed | Fabian Franziszek Pląskowski † | Auxiliary Bishop of Chelmno (Culma), Poland |
| 45.3 | Appointed | Fabian Franziszek Pląskowski † | Titular Bishop of Martyropolis | Auxiliary Bishop of Chelmno (Culma), Poland |
| 26 May | 48.8 | Appointed | Juan José García Alvaro † | Bishop of Coria, Spain |
| 2 Jun | | Born | Etienne-Jean-Baptiste des Galois de la Tour † | Aix-en-Provence | Archbishop of Bourges, France |
| 16 Jun | 24.5 | Ordained Priest | Antonius Reichsgraf von Herberstein, C.R. † | Priest of Congregation of Clerics Regular | Bishop of Trieste, Italy |
| 21 Jun | 65.8 | Ordained Bishop | Francisco Javier Sánchez Cabezón † | Bishop of Astorga, Spain |
| 23 Jun | | Born | Manuel Benito Tabernero † | Guadalajara | Bishop of Solsona, Spain |
| 24 Jun | 24.9 | Ordained Priest | Santiago José Echaverría Nieto de Osorio y Elguera † | Priest of Santiago de Cuba | Bishop of Tlaxcala, Tlaxcala, México |
| 5 Jul | 35.5 | Ordained Bishop | Jean-Félix-Henri de Fumel † | Bishop of Lodève, France |
| 12 Jul | 24.5 | Ordained Priest | Francisco da Assumpção e Brito, O.S.A. † | Priest of Order of St. Augustine | Archbishop Emeritus of Goa, India |
| 48.9 | Ordained Bishop | Juan José García Alvaro † | Bishop of Coria, Spain |
| 16 Jul | | Born | Ernst Maria Ferdinand Graf von Bissingen † | Konstanz | Auxiliary Bishop Emeritus of Konstanz {Constance}, Germany |
| 17 Jul | | Born | Joaquim Ferreira de Carvalho † | Coimbra | Bishop of São Luís do Maranhão, Brazil |
| 22 Jul | 55.5 | Appointed | Juan Ladrón de Guevara, O. Carm. † | Bishop of Barbastro, Spain |
| 60.5 | Appointed | Manuel López Aguirre † | Bishop of Barcelona, Spain |
| 52.5 | Appointed | Felipe Martín Ovejero † | Bishop of Oviedo, Spain |
| 49.5 | Appointed | Enrichetto Virginio (Raffale Francesco) Natta, O.P. † | Cardinal, Bishop of Alba (Pompea), Italy |
| 25 Jul | 49.5 | Ordained Bishop | Enrichetto Virginio (Raffale Francesco) Natta, O.P. † | Cardinal, Bishop of Alba (Pompea), Italy |
| 27 Jul | 57.8 | Appointed | Francis Petre † | Coadjutor Vicar Apostolic of Northern District, England, Great Britain | Vicar Apostolic |
| 57.8 | Appointed | Francis Petre † | Titular Bishop of Amorium | Vicar Apostolic of Northern District, England, Great Britain |
| 28 Jul | | Born | Pedro Inocencio Bejarano † | Granada, Spain | Bishop of Sigüenza, Spain |
| 2 Aug | 66.6 | Died | Louis-Jacques Chapt de Rastignac † | Archbishop of Tours, France |
| 53.6 | Ordained Bishop | Cayetano Marcellano y Agramont † | Bishop of Buenos Aires, Argentina | Archbishop of La Plata o Charcas, Bolivia |
| 4 Aug | | Born | Jacques-Alexis Jacquemin † | Nancy | Bishop Emeritus of Saint-Dié, France |
| 9 Aug | 29.1 | Ordained Bishop | Franz Xaver Reichsfreiherr von Adelmann von Adelmannsfelden † | Titular Bishop of Mactaris | Auxiliary Bishop of Augsburg, Germany |
| 45.5 | Ordained Bishop | Fabian Franziszek Pląskowski † | Titular Bishop of Martyropolis | Auxiliary Bishop of Chelmno (Culma), Poland |
| 10 Aug | | Born | Lorenzo Algüero Ribera, O.S.M. † | Valladolid | Bishop of Segorbe, Spain |
| Born | Félix Amat Palau y Pont † | Sabadell, Spain | Titular Archbishop of Palmyra |
| 16 Aug | 49.2 | Ordained Bishop | Manuel Machado y Luna † | Bishop of Caracas, Santiago de Venezuela |
| 25 Aug | | Born | Luigi Ruffo Scilla † | S. Onofrio | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 28 Aug | | Born | Francesco Fontana, B. † | Castelmaggiore | Cardinal, Prefect of the Congregation for Propagation of the Faith |
| 29 Aug | 66.2 | Died | Kasimir Anton Reichsfreiherr von Sickingen † | Bishop of Konstanz {Constance}, Germany |
| 31 Aug | | Born | Ignacy Bardziński † | Glaznów | Auxiliary Bishop of Gniezno, Poland |
| 3 Sep | | Born | Cayetano Pallás, O.P. † | Benabarre | Bishop of Nueva Segovia, Philippines |
| 5 Sep | 74.7 | Died | Juan Domingo Manzano Carvajal † | Bishop of Jaén, Spain |
| 6 Sep | 53.3 | Ordained Bishop | Antônio da Madre de Deus Galvão, O.F.M. † | Bishop of São Paulo, Brazil |
| 52.6 | Ordained Bishop | Felipe Martín Ovejero † | Bishop of Oviedo, Spain |
| 7 Sep | | Born | Giovanni Giacomo Antonio Gaetano Fraschina, O.F.M. Cap. † | Bosco Luganese, Italy | Titular Archbishop of Corinthus |
| 13 Sep | | Born | Giuseppe Andrea Albani † | Rome | Cardinal, Librarian of the Vatican Library |
| 60.7 | Ordained Bishop | Manuel López Aguirre † | Bishop of Barcelona, Spain |
| 55.8 | Ordained Bishop | Pedro Agustín Morell de Santa Cruz y Lora † | Bishop of León en Nicaragua | Bishop of Santiago de Cuba |
| 15 Sep | 63.6 | Died | Johann Gottfried Freiherr Groß von Trockau † | Auxiliary Bishop of Eichstätt, Germany |
| 19 Sep | 66.2 | Died | Pedro de la Cuadra Achica † | Archbishop of Burgos, Spain |
| 23 Sep | 56.6 | Appointed | Valentín Moran Menéndez, O. de M. † | Bishop of Panamá | Bishop Emeritus of Islas Canarias {Canary Islands}, Spain |
| 27 Sep | 55.7 | Ordained Bishop | Juan Ladrón de Guevara, O. Carm. † | Bishop of Barbastro, Spain |
| 30 Sep | | Born | Camillo Cataneo de' Marchesi di Monte Scaglioso † | Napoli | Archbishop of Acerenza-Matera, Italy |
| 50.7 | Died | Manuel Muñoz Guil † | Bishop of Vic, Spain |
| 7 Oct | | Born | Ignazio Nasalli-Ratti † | Parma | Cardinal, Official of the Roman Curia - Other |
| 9 Oct | | Born | Manuel Vicente Martínez Jiménez † | Tartanedo | Archbishop of Zaragoza, Spain |
| 14 Oct | 17.9 | Professed | Martin Takáts † | Member of Society of Jesus | Auxiliary Bishop of Kalocsa, Hungary |
| 20 Oct | 60.4 | Died | José Cayetano Paravicino, O.F.M. † | Bishop of Trujillo, Peru |
| 23 Oct | | Born | Louis-Siffrein-Joseph de Salamon † | Carpentras | Bishop of Saint-Flour, France |
| 24 Oct | | Born | Pedro Gutierrez de Cos † | Piura, Peru | Bishop of Puerto Rico (Porto Rico) |
| 9 Nov | 44.7 | Appointed | Franz Konrad Kasimir Ignaz von Rodt † | Cardinal, Bishop of Konstanz {Constance}, Germany |
| 16 Nov | 43.9 | Appointed | Diego Rodríguez de Rivas y Velasco † | Bishop of Comayagua, Honduras | Bishop of Guadalajara, Jalisco, México |
| 48.4 | Appointed | Antonio Sersale † | Archbishop of Taranto, Italy | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 21 Nov | 84.5 | Resigned | Lodovico Forni † | Bishop of Reggio Emilia, Italy | Bishop Emeritus |
| 3 Dec | 86.0 | Died | Nuno da Cunha e Ataíde † | Cardinal, Titular Bishop of the unknown of Titular See |
| 7 Dec | 40.9 | Appointed | Giovanni Maria Castelvetri † | Bishop of Reggio Emilia, Italy |
| 46.4 | Appointed | Johann Joseph von Trautson zu Falkenstein (Trauston) † | Coadjutor Archbishop of Wien {Vienna}, Austria | Cardinal, Archbishop |
| 46.4 | Appointed | Johann Joseph von Trautson zu Falkenstein (Trauston) † | Titular Archbishop of Cartagine | Cardinal, Archbishop of Wien {Vienna}, Austria |
| 8 Dec | | Born | St. Taurin Gabriel Dufresse, M.E.P. † | Lezoux, France | Vicar Apostolic of Se-Ciuen, China |
| 13 Dec | 40.9 | Ordained Bishop | Giovanni Maria Castelvetri † | Bishop of Reggio Emilia, Italy |
| 19 Dec | 23.3 | Ordained Priest | Johann Baptist Joseph Gobel † | Priest of Basel, Switzerland | Auxiliary Bishop Emeritus |
| Born | Eugenio de la Santísima Trinidad Sesé, O.R.S.A. † | Crivillén, Spain | Bishop of Santa Marta, Colombia |
| 24.5 | Ordained Priest | James Robert Talbot † | Priest | Vicar Apostolic of London District, England, Great Britain |
| 20 Dec | | Born | Antoine-Félix de Leyris d'Esponchez † | Alais | Bishop of Perpignan-Elne, France |
| 25 Dec | 46.4 | Ordained Bishop | Johann Joseph von Trautson zu Falkenstein (Trauston) † | Titular Archbishop of Cartagine | Cardinal, Archbishop of Wien {Vienna}, Austria |
| 27 Dec | | Born | Nicolas-Marie Fournier de la Contamine † | Gex | Bishop of Montpellier, France |
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