| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 59.3 | Ordained Bishop | Jacinto Aguado y Chacón † | Bishop of Arequipa, Peru | Bishop of Osma, Spain |
| Appointed | Pierre-Joseph Artaud † | Bishop of Cavaillon, France |
| 63.7 | Ordained Bishop | José Francisco Biguezal † | Bishop of Ciudad Rodrigo, Spain |
| 24.1 | Ordained Priest | Stefano Borgia † | Priest | Cardinal, Prefect of the Congregation for Propagation of the Faith |
| 17.5 | Professed | Theodor Freiherr von Brabeck, O.S.B. † | Member of Order of Saint Benedict | Bishop-Elect of Corvey, Germany |
| 48.0 | Ordained Bishop | Jean-Louis du Buisson de Beauteville † | Bishop of Alès (Alais), France |
| 23.5 | Ordained Priest | Roberto Costaguti † | Priest | Bishop of Sansepolcro (Borgo San Sepolcro), Italy |
| 34.0 | Appointed | Claude-François-Ignace Franchet de Ran † | Auxiliary Bishop of Besançon, France |
| 27.0 | Ordained Priest | Jean-François de La Marche † | Priest | Bishop of Saint-Pol-de-Léon, France |
| 40.7 | Ordained Bishop | José Francis Laso de Castilla † | Bishop of Málaga, Spain |
| Born | Ranald MacDonald † | Edinburgh | Vicar Apostolic of Western District, Scotland, Great Britain |
| 23.2 | Ordained Priest | Pedro Nolasco Mora Mora, O. de M. † | Priest of Order of Our Lady of Mercy | Bishop of Solsona, Spain |
| Born | Nicolas-Alexis Ondenard † | | Bishop of Namur {Namen}, Belgium |
| 49.0 | Ordained Bishop | Manuel Antonio Palmero Rallo † | Bishop of Gerona, Spain |
| 40.1 | Ordained Bishop | Kajetan Ignacy Sołtyk † | Titular Bishop of Emmaüs | Bishop of Kraków, Poland |
| Died | Ignazio Stelluti † | Bishop of Macerata-Tolentino, Italy |
| Born | Alessandro Tommasini † | | Archbishop of Reggio Calabria, Italy |
| 1 Jan | 45.0 | Died | Louis-Marie Deveaux, M.E.P. † | Coadjutor Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 4 Jan | 52.3 | Ordained Bishop | Nicolás Gil Martínez y Malo † | Bishop of Santa Marta, Colombia |
| 6 Jan | 48.3 | Ordained Bishop | Pascual López Estaún † | Bishop of Jaca, Spain | Bishop of Huesca, Spain |
| 12 Jan | 53.3 | Appointed | Martín Barcia Carrascal † | Bishop of Córdoba, Spain |
| 85.8 | Appointed | Raniero d'Elci † | Cardinal, Cardinal-Bishop of Ostia (-Velletri) |
| 81.3 | Appointed | Giovanni Antonio Guadagni, O.C.D. † | Cardinal, Bishop of Porto e Santa Rufina, Italy |
| 76.2 | Appointed | Giacomo Oddi † | Cardinal-Priest of S. Anastasia | Cardinal, Bishop of Viterbo e Tuscania, Italy |
| 66.4 | Appointed | Carlo Maria Sacripante † | Cardinal, Cardinal-Bishop of Frascati |
| 18 Jan | 66.5 | Succeeded | Johann Friedrich Karl Reichgraf von Ostein † | Bishop of Worms, Germany | Archbishop of Mainz, Germany |
| 54.8 | Ordained Bishop | Francisco Javier Pérez Baroja y Muro † | Bishop of Teruel, Spain |
| 73.6 | Died | Franz Georg Reichsfgraf von Schönborn † | Archbishop of Trier, Germany |
| 54.7 | Succeeded | Johann Philipp Reichsgraf von Waldendorff † | Archbishop of Trier, Germany |
| 19 Jan | | Born | Francesco Scipio Dondi Orologio † | Padova | Bishop of Padova {Padua}, Italy |
| 20 Jan | 47.3 | Resigned | Leopold Ernst von Firmian † | Coadjutor Bishop of Trento, Italy | Cardinal, Bishop of Passau, Germany |
| 25 Jan | 66.4 | Ordained Bishop | Carlo Maria Sacripante † | Bishop of Frascati | Cardinal, Cardinal-Bishop |
| 1 Feb | | Appointed | Domenico Gaetano Novellucci † | Bishop of Colle di Val d’Elsa, Italy |
| 26.7 | Ordained Priest | Ignaz Franz Stanislaus Reichsgraf von Spaur † | Priest of Salzburg, Austria | Bishop of Brixen {Bressanone}, Italy |
| 3 Feb | 67.5 | Died | Lorenzo Taranco Mujaurrieta † | Bishop of Gerona, Spain |
| 6 Feb | | Born | Francesco Antonio Mondelli † | Rome | Bishop of Città di Castello, Italy |
| 11 Feb | | Born | Philippe-François Sausin † | Orange | Bishop of Blois, France |
| 16 Feb | 36.0 | Appointed | Vitaliano Borromeo † | Cardinal, Titular Archbishop of Thebae |
| 49.1 | Appointed | Prospero Colonna di Sciarra † | Cardinal-Deacon of S. Maria ad Martyres | Cardinal, Cardinal-Deacon of S. Agata de’ Goti |
| Appointed | Carlo Mineo † | Bishop of Patti, Italy |
| 22 Feb | 66.1 | Died | Mario Bolognetti † | Cardinal, Cardinal-Deacon of S. Maria ad Martyres |
| 36.0 | Ordained Bishop | Vitaliano Borromeo † | Cardinal, Titular Archbishop of Thebae |
| 23 Feb | | Born | Lorenzo Litta † | Milan | Cardinal, Official of the Roman Curia - Other |
| Mar | | Died | Marcello Filomarini † | Bishop of Mileto, Italy |
| 6 Mar | 54.4 | Appointed | Francesco Felice Alberti d’Enno † | Coadjutor Bishop of Trento, Italy | Bishop |
| 8 Mar | | Born | Jean-Eléonor Montanier de Belmont † | Seyssel | Bishop of Saint-Flour, France |
| 11 Mar | | Born | Giuseppe Maria Spina † | Sarzana | Cardinal, Archbishop Emeritus of Genova, Italy |
| 13 Mar | 23.0 | Ordained Priest | Fabrizio Cimino, C.Ss.R. † | Priest of Congregation of the Most Holy Redeemer | Bishop of Oria, Italy |
| 16 Mar | 62.7 | Died | Juan Antonio Pérez Arellano † | Auxiliary Bishop of Toledo, Spain |
| 23 Mar | 51.2 | Appointed | Manuel Antonio de la Torre † | Bishop of Paraguay | Bishop of Buenos Aires, Argentina |
| 29 Mar | 50.1 | Succeeded | John Joseph Hornyold † | Vicar Apostolic of Midland District, England, Great Britain |
| 78.2 | Died | John Talbot Stonor † | Vicar Apostolic of Midland District, England, Great Britain |
| 1 Apr | 64.3 | Died | Gregorio de Molleda y Clerque † | Archbishop of La Plata o Charcas, Bolivia |
| 3 Apr | 24.1 | Ordained Priest | Wenzel Kobaltz † | Priest of Meissen (Meißen) {Lusazia o Lausitz; Sassonia}, Germany | Prefect |
| 5 Apr | 53.3 | Elevated to Cardinal | Paul d’Albert de Luynes † | Cardinal, Archbishop of Sens, France |
| 57.4 | Elevated to Cardinal | Alberico Archinto † | Cardinal, Cardinal-Priest of S. Lorenzo in Damaso |
| 54.1 | Appointed | Luigi Mattei † | Cardinal, Cardinal-Priest of S. Maria in Ara Coeli |
| 59.3 | Elevated to Cardinal | Étienne-René Potier de Gesvres † | Cardinal, Bishop Emeritus of Beauvais, France |
| 71.4 | Elevated to Cardinal | Giovanni Battista Rotario da Pralormo † | Cardinal, Archbishop of Torino {Turin}, Italy |
| 32.9 | Appointed | Francisco de Saldanha da Gama † | Cardinal-Deacon | Cardinal, Patriarch of Lisboa, Portugal |
| 32.9 | Elevated to Cardinal | Francisco de Saldanha da Gama † | Cardinal, Patriarch of Lisboa, Portugal |
| 65.6 | Elevated to Cardinal | Nicolas-Charles de Saulx-Tavannes † | Cardinal, Archbishop of Rouen, France |
| 35.4 | Appointed | Pietro Domenico Scoppa † | Bishop of Gerace, Italy |
| 43.1 | Elevated to Cardinal | Francisco de Solís Folch de Cardona † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 51.7 | Elevated to Cardinal | Johann Joseph von Trautson zu Falkenstein (Trauston) † | Cardinal, Archbishop of Wien {Vienna}, Austria |
| 7 Apr | 43.1 | Appointed | José Patricio de la Cuesta Velarde † | Bishop of Ceuta, Spain | Bishop of Sigüenza, Spain |
| 9 Apr | | Born | Jean-André Doussain, M.E.P. † | Doué-la-Fontaine, France | Coadjutor Vicar Apostolic of Cochin {Cocincina}, Viêt Nam |
| 10 Apr | | Born | Jean-Louis Florens, M.E.P. † | Lagnes, France | Coadjutor Vicar Apostolic of Se-Ciuen, China |
| 17 Apr | 23.1 | Ordained Priest | Emilio Gentile † | Priest | Bishop of Alife, Italy |
| 19 Apr | 40.4 | Succeeded | Kajetan Ignacy Sołtyk † | Bishop of Foreign Diocese | Bishop of Kraków, Poland |
| 20 Apr | | Born | Juan José Díaz de Espada y Fernánez de Landa † | Arroyabe, Spain | Bishop of San Cristobal de la Habana, Cuba |
| 25 Apr | 54.6 | Died | Enrique Enríquez † | Cardinal, Official of the Secretariat of State |
| 28 Apr | 70.5 | Died | Johann Ferdinand Joseph Freiherr von Boedigkeim † | Auxiliary Bishop of Freising, Germany |
| 4 May | | Born | Louis-Jules-François-Joseph d'Andigné de Mayneuf † | Le Lion-d'Angers | Bishop of Nantes, France |
| 76.8 | Died | Domingo (Damiano) Polou † | Archbishop of Reggio Calabria, Italy |
| 11 May | | Born | Jean-Pierre de Gallien de Chabons † | Grenoble | Bishop Emeritus of Amiens, France |
| 12 May | 90.2 | Died | Johann Franz Riccius † | Auxiliary Bishop of Strasbourg, France |
| 14 May | 75.4 | Died | Louis-Jacques-François de Vocance † | Bishop of Senez, France |
| 23 May | 34.4 | Ordained Bishop | Claude-François-Ignace Franchet de Ran † | Titular Bishop of the unknown of Titular See | Auxiliary Bishop of Besançon, France |
| 39.8 | Appointed | Emmanuel Ernst Reichsgraf von Waldstein † | Auxiliary Bishop of Praha {Prague}, Czech Republic | Bishop of Litomĕrice, Czech Republic |
| 39.8 | Appointed | Emmanuel Ernst Reichsgraf von Waldstein † | Titular Bishop of Amyclae | Bishop of Litomĕrice, Czech Republic |
| 24 May | 57.5 | Installed | Alberico Archinto † | Cardinal-Priest of S. Matteo in Merulana | Cardinal, Cardinal-Priest of S. Lorenzo in Damaso |
| 64.1 | Appointed | José Francisco Biguezal † | Bishop of Ciudad Rodrigo, Spain |
| 45.4 | Appointed | Giuseppe Maria Capece Zurlo, Theat. † | Bishop of Calvi, Italy | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 42.1 | Appointed | Diego Antonio Díez Madroñero † | Bishop of Caracas, Santiago de Venezuela |
| 51.4 | Confirmed | Manuel Antonio de la Torre † | Bishop of Paraguay | Bishop of Buenos Aires, Argentina |
| 66.8 | Appointed | Pedro Gómez de la Torre † | Bishop of Plasencia, Spain |
| 55.4 | Appointed | Pedro Martínez de Oneca † | Bishop of Puerto Rico (Porto Rico) |
| 68.3 | Appointed | Luca Melchiore Tempi † | Cardinal-Priest of S. Susanna | Cardinal, Titular Archbishop of Nicomedia |
| 27 May | 45.4 | Ordained Bishop | Giuseppe Maria Capece Zurlo, Theat. † | Bishop of Calvi, Italy | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 30 May | | Died | Stephen MacEgan, O.P. † | Bishop of Meath, Ireland |
| 3 Jun | 53.1 | Died | José de Bragança † | Archbishop of Braga, Portugal |
| 6 Jun | 54.4 | Died | Mihály Karl (Michele Carlo) von Althan † | Archbishop (Personal Title) of Vác, Hungary |
| 7 Jun | | Born | Bernhard Boll, O. Cist. † | Stuttgart | Archbishop of Freiburg im Breisgau, Germany |
| 15 Jun | 34.4 | Appointed | Charles Walmesley, O.S.B. † | Coadjutor Vicar Apostolic of Western District, England, Great Britain | Vicar Apostolic |
| 34.4 | Appointed | Charles Walmesley, O.S.B. † | Titular Bishop of Ramata | Vicar Apostolic of Western District, England, Great Britain |
| 21 Jun | | Died | José Antonio Flores de Rivera † | Bishop of León en Nicaragua |
| 28 Jun | 38.6 | Died | François-Armand-Auguste de Rohan-Soubise-Ventadour † | Cardinal, Bishop of Strasbourg, France |
| 29 Jun | | Born | Joseph Chrysostomus Pauer † | Wien | Bishop of Sankt Pölten, Austria |