| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 24.1 | Ordained Priest | Stefano Borgia † | Priest | Cardinal, Prefect of the Congregation for Propagation of the Faith |
| 52.7 | Appointed | Juan Tomás de Boxadors y Sureda de San Martín, O.P. † | Master General of Order of Friars Preachers | Cardinal, Cardinal-Priest of San Sisto |
| 17.5 | Professed | Theodor von Brabeck, O.S.B. † | Member of Order of Saint Benedict | Bishop-Elect of Corvey, Germany |
| Born | Manuel de los Santos Escobar † | | Bishop-Elect of Quito, Ecuador |
| Died | Ignace-Dominique Grisella de Rosignan † | Bishop of Saint-Jean-de-Maurienne, France |
| Ordained Priest | Franz Kalatay † | Priest | Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania |
| 27.0 | Ordained Priest | Jean-François de La Marche † | Priest | Bishop of Saint-Pol-de-Léon, France |
| Born | Ranald MacDonald † | Edinburgh | Vicar Apostolic of Western District, Scotland, Great Britain |
| Born | Joaquim José de Miranda Coutinho † | | Bishop of Castelo Branco, Portugal |
| 23.2 | Ordained Priest | Pedro Nolasco Mora Mora, O. de M. † | Priest of Order of Our Lady of Mercy | Bishop of Solsona, Spain |
| Died | Paolo Antonio Nerini, B. † | Vicar Apostolic of Ava e Pegù, Myanmar |
| Born | Domenico Pes, Sch. P. † | Tempio | Bishop of Bisarchio o Bisarcio (Ozieri), Italy |
| 16.0 | Professed | Luigi Maria Pirelli, C.R. † | Member of Congregation of Clerics Regular | Archbishop of Trani e Bisceglie, Italy |
| 1 Jan | 45.0 | Died | Louis-Marie Deveaux, M.E.P. † | Coadjutor Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viet Nam |
| 4 Jan | 52.3 | Ordained Bishop | Nicolás Gil Martínez y Malo † | Bishop of Santa Marta, Colombia |
| 6 Jan | | Died | Martinus van Litsenborgh † | Vicar Apostolic of ’s Hertogenbosch (Bois-le-Duc), Netherlands |
| 48.3 | Ordained Bishop | Pascual López Estaún (Estac) † | Bishop of Jaca, Spain | Bishop of Huesca, Spain |
| 7 Jan | 87.4 | Died | Carolus Antonius Donadoni, O.F.M. Conv. † | Bishop of Šibenik (Knin), Croatia |
| 11 Jan | 44.2 | Ordained Bishop | Jozef Karol Zbiško † | Titular Bishop of Tinum | Official of Spiš, Slovakia |
| 12 Jan | 53.3 | Appointed | Martín Barcia Carrascal † | Bishop of Córdoba, Spain |
| 85.8 | Appointed | Raniero d’Elci † | Cardinal, Cardinal-Bishop of Ostia (e 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 Sant’Anastasia | Cardinal, Bishop of Viterbo e Tuscania, Italy |
| 66.4 | Appointed | Carlo Maria Sacripante † | Cardinal, Cardinal-Bishop of Frascati |
| Appointed | Fylyp Felicijan Wołodkowicz (Volodkovyc) † | Coadjutor Archbishop of Kyiv-Halyč {Kiev} (Ruthenian), Ukraine | Archbishop |
| 18 Jan | 66.5 | Succeeded | Johann Friedrich Karl 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 von Schönborn † | Archbishop of Trier, Germany |
| 54.7 | Succeeded | Johann Philipp von Walderdorff † | 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 | 26.7 | Ordained Priest | Ignaz Franz Stanislaus 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 |
| 12 Feb | 73.1 | Died | Siméon VII Awad † | Patriarch of Antiochia {Antioch} (Maronite), Lebanon |
| Born | Baldassare Leone † | Palermo | Bishop of Agrigento (Girgenti), Italy |
| 15 Feb | 63.8 | Died | Paschalis Zaini † | Bishop of Guardialfiera (Guardia), Italy |
| 16 Feb | 36.0 | Appointed | Vitaliano Borromeo † | Cardinal, Titular Archbishop of Thebae |
| 48.1 | Appointed | Jean-Louis du Buisson de Beauteville † | Bishop of Alès (Alais), France |
| 62.2 | Appointed | Joannes Calebotta † | Bishop of Šibenik (Knin), Croatia |
| 49.1 | Appointed | Prospero Colonna di Sciarra † | Cardinal-Deacon of Santa Maria ad Martyres | Cardinal, Cardinal-Deacon of Sant’Agata de’ Goti |
| 52.9 | Appointed | Carlo Mineo † | Bishop of Patti, Italy |
| 22 Feb | 66.1 | Died | Mario Bolognetti † | Cardinal, Cardinal-Deacon of Santa Maria ad Martyres |
| 36.0 | Ordained Bishop | Vitaliano Borromeo † | Cardinal, Titular Archbishop of Thebae |
| 52.9 | Ordained Bishop | Carlo Mineo † | Bishop of Patti, Italy |
| 23 Feb | | Born | Lorenzo Litta † | Milan, Italy | Cardinal, Official of the Roman Curia - Other |
| 24 Feb | | Born | Antón Mákay † | Roznava | Bishop of Veszprém, Hungary |
| 25 Feb | 50.6 | Ordained Bishop | Fridericus von Pfutschner † | Titular Bishop of Dragobitia (Drago) | Auxiliary Bishop of Győr (Raab), Hungary |
| 28 Feb | | Selected | Tobie El-Khazen † | Patriarch of Antiochia {Antioch} (Maronite), Lebanon |
| 6 Mar | 54.4 | Selected | 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 |
| 63.4 | Died | Marcello Filomarini † | Bishop of Mileto, Italy |
| 16 Mar | 62.7 | Died | Juan Antonio Pérez Arellano † | Auxiliary Bishop of Toledo, Spain |
| 20 Mar | 60.2 | Appointed | Bernardo de Arbizu y Ugarte † | Archbishop of La Plata o Charcas, Bolivia |
| 21 Mar | 66.9 | Died | Hijacint Marija Milković, O.P. † | Archbishop of Dubrovnik (Ragusa), Croatia |
| 23 Mar | 51.2 | Selected | Manuel Antonio de la Torre † | Bishop of Paraguay | Bishop of Buenos Aires, Argentina |
| 28 Mar | 47.9 | Ordained Priest | Max Friedrich von Königsegg und Rothenfels † | Priest | Archbishop of Köln {Cologne}, Germany |
| 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 |
| Apr | 56.6 | Died | Francesco Agnello Fragianni † | Bishop of Calvi Risorta, Italy |
| 1 Apr | 64.3 | Died | Gregorio de Molleda y Clerque † | Archbishop of La Plata o Charcas, Bolivia |
| 3 Apr | 22.9 | Ordained Priest | Philip Bandini † | Priest | Bishop of Larino, Italy |
| 24.1 | Ordained Priest | Wenzel Kobaltz † | Priest of Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany | Prefect |
| 25.2 | Ordained Priest | Niccolò Sciarelli † | Priest | Bishop of Colle di Val d’Elsa, Italy |
| 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 San Lorenzo in Damaso |
| 52.5 | Appointed | Pius Angelus Bellingeri † | Titular Bishop of Tamasus |
| 61.9 | Appointed | Franciscus Antonius de los Reyes † | Bishop of Oria, Italy |
| 34.3 | Appointed | Claude-François-Ignace Franchet de Rans † | Auxiliary Bishop of Besançon, France |
| 34.3 | Appointed | Claude-François-Ignace Franchet de Rans † | Titular Bishop of Rhosus | Auxiliary Bishop of Besançon, France |
| 54.1 | Appointed | Luigi Mattei † | Cardinal, Cardinal-Priest of Santa Maria in Ara Coeli |
| 67.1 | Appointed | Prudentius (Joannes Philippus) Patti, O.S.B. † | Titular Bishop of Diocaesarea in Isauria |
| 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 (Rovero) † | Cardinal, Archbishop of Torino {Turin}, Italy |
| 32.9 | Appointed | Francisco de Saldanha da Gama † | Cardinal-Deacon | Cardinal, Patriarch of Lisboa {Lisbon}, Portugal |
| 32.9 | Elevated to Cardinal | Francisco de Saldanha da Gama † | Cardinal, Patriarch of Lisboa {Lisbon}, 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 |
| Born | Pietro Maria d’Agostino † | Sciacca | Bishop of Agrigento (Girgenti), Italy |
| 49.3 | Appointed | Bernardo José Pérez de Oblitas † | Bishop of Santa Cruz de la Sierra, Bolivia |
| 9 Apr | | Born | Jean-André Doussain, M.E.P. † | Doué-la-Fontaine, France | Coadjutor Vicar Apostolic of Cochin {Cocincina}, Viet Nam |
| 10 Apr | | Born | Jean-Louis Florens, M.E.P. † | Lagnes, France | Coadjutor Vicar Apostolic of Se-Ciuen (Setchoan), China |
| 17 Apr | 23.1 | Ordained Priest | Emilio Gentile † | Priest | Bishop of Alife, Italy |
| Born | Guilelmus Zerbi † | Saronno | Auxiliary Bishop of Sabina (-Farfa), Italy |
| 18 Apr | 61.9 | Ordained Bishop | Franciscus Antonius de los Reyes † | Bishop of Oria, Italy |
| 35.4 | Ordained Bishop | Pietro Domenico Scoppa † | Bishop of Gerace, Italy |
| 19 Apr | 73.3 | Died | Samuel Ozga † | Bishop of Kyiv and Chernihiv (Kijów and Czernihow), Ukraine |
| 58.0 | Ordained Priest | Dominicus Pasqualigo † | Priest | Bishop of Scardona (Skradin), Italy |
| 40.4 | Succeeded | Kajetan Ignacy Sołtyk † | Bishop of Kyiv and Chernihiv (Kijów and Czernihow), Ukraine | 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 | 29.6 | Ordained Priest | Franciscus Condulmer † | Priest | Titular Bishop of Famagusta |
| 54.6 | Died | Enrique Enríquez † | Cardinal, Official of the Secretariat of State |
| 28 Apr | 70.5 | Died | Johann Ferdinand Joseph von Boedigkeim † | Auxiliary Bishop of Freising, Germany |
| 1 May | 23.3 | Ordained Priest | Paul Dovanlia † | Priest | Bishop of Nicopoli, Bulgaria |
| 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 |
| 5 May | 71.3 | Died | Ignazio Stelluti † | Bishop of Macerata e Tolentino, Italy |
| 12 May | | Born | Jean-Pierre de Gallien de Chabons † | Grenoble | Bishop Emeritus of Amiens, France |
| 90.2 | Died | Johann Franz Riccius † | Auxiliary Bishop of Strasbourg, France |
| 13 May | 61.0 | Died | Pacificus Bizza † | Archbishop of Split (Spalato), Croatia |
| 14 May | 75.4 | Died | Louis-Jacques-François de Vocance † | Bishop of Senez, France |
| 21 May | | Born | Antonio Leonardis da Lucinico † | Gorizia | Bishop of Trieste e Capodistria (Koper), Italy |
| 23 May | 34.4 | Ordained Bishop | Claude-François-Ignace Franchet de Rans † | Titular Bishop of Rhosus | Auxiliary Bishop of Besançon, France |
| 39.8 | Appointed | Emmanuel Ernst von Waldstein † | Auxiliary Bishop of Praha {Prague}, Czech Republic | Bishop of Litoměřice, Czech Republic |
| 39.8 | Appointed | Emmanuel Ernst von Waldstein † | Titular Bishop of Amyclae | Bishop of Litoměřice, Czech Republic |
| 24 May | 57.5 | Installed | Alberico Archinto † | Cardinal-Priest of San Matteo in Merulana | Cardinal, Cardinal-Priest of San Lorenzo in Damaso |
| 64.1 | Appointed | José Francisco Biguezal † | Bishop of Ciudad Rodrigo, Spain |
| 45.4 | Appointed | Giuseppe Maria Capece Zurlo, C.R. † | Bishop of Calvi Risorta, 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 |
| 53.2 | Appointed | Honuphrius del Tufo † | Bishop of Guardialfiera (Guardia), Italy |
| 33.9 | Appointed | Joannes Lucas Garagnin † | Bishop of Arbe (Rab), Croatia | Archbishop of Split (Spalato), Croatia |
| 66.8 | Appointed | Pedro Gómez de la Torre † | Bishop of Plasencia, Spain |
| 41.1 | Appointed | José Franquís Lasso de Castilla † | Bishop of Málaga, Spain |
| 55.4 | Appointed | Pedro Martínez de Oneca † | Bishop of Puerto Rico (Porto Rico) |
| 51.8 | Appointed | Giovanni Battista Sandi † | Bishop of Belluno, Italy |
| 68.3 | Appointed | Luca Melchiore Tempi † | Cardinal-Priest of Santa Susanna | Cardinal, Cardinal-Priest of Santa Croce in Gerusalemme |
| 27 May | 45.4 | Ordained Bishop | Giuseppe Maria Capece Zurlo, C.R. † | Bishop of Calvi Risorta, Italy | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 53.2 | Ordained Bishop | Honuphrius del Tufo † | Bishop of Guardialfiera (Guardia), Italy |
| 30 May | 33.9 | Ordained Bishop | Joannes Lucas Garagnin † | Bishop of Arbe (Rab), Croatia | Archbishop of Split (Spalato), Croatia |
| Died | Stephen MacEgan, O.P. † | Bishop of Meath, Ireland |
| 3 Jun | 53.1 | Died | José de Bragança † | Archbishop of Braga, Portugal |
| 6 Jun | 54.0 | Died | Mihály Karl (Michele Carlo) von Althan † | Bishop of Vác, Hungary |
| 7 Jun | | Born | Bernhard Boll, O. Cist. † | Stuttgart | Archbishop of Freiburg im Breisgau, Germany |
| 12 Jun | 25.6 | Ordained Priest | Pietro Boscarini † | Priest | Bishop of Città di Castello, Italy |
| 22.8 | Ordained Priest | Marcantonio Conti † | Priest | Bishop Emeritus of Pesaro, Italy |
| 24.4 | Ordained Priest | Franciscus Aloysius Junosza Gzowski † | Priest | Titular Bishop of Thespiae |
| 15 Jun | 46.3 | Appointed | Joannes Dominicus (Michael Antonius) Chiavassa (a S. Clara), O.C.D. † | Titular Bishop of Assuras |
| 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 (Rama) | Vicar Apostolic of Western District, England, Great Britain |
| 16 Jun | 41.2 | Ordained Bishop | José Franquís Lasso de Castilla † | Bishop of Málaga, Spain |
| 21 Jun | | Died | José Antonio Flores de Rivera † | Bishop of Nicaragua |
| 22 Jun | | Died | John Brett, O.P. † | Bishop of Elphin, Ireland |
| 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 |