| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Born | Aeneas Chisholm † | Strathglass, Inverness | Vicar Apostolic of Highland District, Scotland, Great Britain |
| 63.1 | Installed | Francisco Javier de Luna Victoria y Castro † | Bishop of Trujillo, Peru |
| Appointed | Serafino Filangeri † | Archbishop of Acerenza e Matera, Italy | Archbishop of Napoli {Naples}, Italy |
| Appointed | Nicolò Antonio Giustiniani † | Bishop of Verona, Italy | Bishop of Padova {Padua}, Italy |
| 39.0 | Appointed | Jacques de Grasse † | Bishop of Angers, France |
| 27.0 | Ordained Priest | Louis-François-Marc Hilaire de Conzié † | Priest | Bishop of Arras, France |
| Died | Franciszek Kanigowski † | Titular Bishop of Torone |
| 38.0 | Appointed | Alexandre Lascaris de Vintimille † | Bishop of Toulon, France |
| Appointed | Lourenço de Lencastre † | Bishop of Elvas, Portugal |
| Appointed | Francesco Antonio Leonardi † | Bishop of Bisceglie, Italy |
| 61.0 | Died | Józef Pawlowski † | Auxiliary Bishop of Poznań, Poland |
| Died | Andrzej Pruski † | Titular Bishop of Tanis |
| 33.1 | Ordained Bishop | Karol Salbeck † | Auxiliary Bishop of Vác, Hungary | Bishop of Spiš, Slovakia |
| 47.2 | Appointed | Ignazio Savastano † | Bishop of Gallipoli, Italy |
| Died | Cyril VI Tanas † | Patriarch of Antiochia {Antioch} (Melkite), Syria |
| 75.1 | Died | Miguel de Távora, O.S.A. † | Archbishop of Évora, Portugal |
| 57.0 | Appointed | Józef Andrzej Załuski † | Bishop of Foreign Diocese |
| 5 Jan | 79.1 | Died | Thomas Philip Wallrad d'Hénin-Létard d'Alsace-Boussut de Chimay † | Cardinal, Archbishop of Mechelen, Belgium |
| 7 Jan | 62.7 | Ordained Bishop | Ludwig Hatteisen, O.S.B. † | Titular Bishop of Anemurium | Auxiliary Bishop of Hildesheim, Germany |
| 60.0 | Died | Antoine-René de La Roche de Fontenille † | Bishop of Meaux, France |
| 9 Jan | 50.0 | Appointed | Thomas Burke (de Burgo), O.P. † | Bishop of Ossory, Ireland |
| 10 Jan | | Born | Giulio Mami † | Cesena | Bishop of Città della Pieve, Italy |
| 14 Jan | 35.6 | Ordained Bishop | Louis-Charles du Plessis d'Argentré † | Bishop of Limoges, France |
| 15 Jan | 84.3 | Died | Giovanni Antonio Guadagni, O.C.D. † | Cardinal, Bishop of Porto e Santa Rufina, Italy |
| 21 Jan | | Born | Alois Jozef Krakowski von Kolowrat † | Praha | Archbishop of Praha {Prague}, Czech Republic |
| 62.8 | Died | Johann Rudolf Graf von Sporck † | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 22 Jan | 48.9 | Died | Joseph-François de Cadenet de Charleval † | Bishop of Agde, France |
| 23 Jan | | Born | André Molin † | Job | Bishop of Viviers, France |
| 24 Jan | | Born | Alfonso Aguado Jaraba † | Villalpando | Auxiliary Bishop of Toledo, Spain |
| Born | Federico Bencivenni, O.F.M. Cap. † | San Giovanni in Persicato | Bishop of Bertinoro, Italy |
| 31 Jan | 50.2 | Died | Giorgio Doria † | Cardinal, Titular Archbishop of Chalcedon |
| 2 Feb | 24.0 | Ordained Priest | Ignacy Błażej Franciszek Krasicki † | Priest of Warmia, Poland | Archbishop of Gniezno, Poland |
| 4 Feb | 42.5 | Ordained Bishop | Wilhelm von Alhaus, O.S.C. † | Titular Bishop of Arad | Auxiliary Bishop of Münster, Germany |
| 6 Feb | | Born | Alexis Saussol † | Dourgne | Bishop of Sées, France |
| 8 Feb | | Born | Aeneas Bernard MacEachern † | Kinlock-Moidart, Great Britain | Bishop of Charlottetown, Prince Edward Island, Canada |
| 9 Feb | | Born | Diego Antonio Navarro Martín de Villodras † | Moclín, Spain | Archbishop of La Plata o Charcas, Bolivia |
| 10 Feb | | Born | Antonio Ceruelo Sanz † | Corcos del Valle | Bishop of Menorca, Spain |
| 12 Feb | 39.0 | Appointed | Giovanni Francesco Albani † | Cardinal-Priest of S. Clemente | Cardinal, Bishop of Ostia (-Velletri), Italy |
| 47.1 | Confirmed | Andrzej Ignacy Baier † | Bishop of Chelmno (Culma), Poland |
| 55.4 | Appointed | Johann Theodor von Bayern † | Cardinal-Priest of S. Maria in Ara Coeli | Cardinal, Bishop of Regensburg, Germany |
| 61.7 | Appointed | Francesco Scipione Maria Borghese † | Cardinal, Bishop of Porto e Santa Rufina, Italy |
| 47.4 | Appointed | Flavio Chigi (Jr.) † | Cardinal-Deacon of S. Maria in Portico | Cardinal, Prefect of the Congregation of Rites |
| 47.4 | Appointed | Flavio Chigi (Jr.) † | Cardinal, Prefect of the Congregation of Rites |
| 75.5 | Appointed | Carlo Alberto Guidobono Cavalchini † | Cardinal-Bishop of Albano | Cardinal, Datary of the Apostolic Datary |
| 73.8 | Appointed | Cosimo Imperiali † | Cardinal, Cardinal-Priest of S. Cecilia |
| 79.3 | Appointed | Giacomo Oddi † | Cardinal-Priest of S. Prassede | Cardinal, Bishop of Viterbo e Tuscania, Italy |
| 76.2 | Appointed | Domenico Silvio Passionei † | Cardinal-Priest of S. Lorenzo in Lucina | Cardinal, Librarian of the Vatican Library |
| 43.3 | Appointed | Kajetan Ignacy Sołtyk † | Bishop of Kraków, Poland |
| 33.9 | Appointed | Henry Benedict Mary Clement Stuart of York † | Cardinal-Priest of S. Maria in Trastevere | Cardinal, Bishop of Frascati, Italy |
| 15 Feb | 40.1 | Appointed | Martial-Louis de Beaupoil de Saint-Aulaire † | Bishop of Poitiers, France |
| 47.1 | Appointed | Jean-Louis de La Marthonie de Caussade † | Bishop of Meaux, France |
| 28 Feb | | Born | Pietro Caprano † | Rome | Cardinal, Prefect of the Congregation of the Index |
| 2 Mar | 59.8 | Died | Adam Ignacy Komorowski † | Archbishop of Gniezno, Poland |
| 8 Mar | 31.9 | Appointed | Charles-François-SIméon de Saint-Simon de Vermandois de Rouvroy de Sandricourt † | Bishop of Agde, France |
| 10 Mar | 23.1 | Ordained Priest | Benedetto Fenaja, C.M. † | Priest of Congregation of the Mission | Titular Archbishop of Philippi |
| 68.5 | Died | Nicolas-Charles de Saulx-Tavannes † | Cardinal, Archbishop of Rouen, France |
| 32.7 | Appointed | James Robert Talbot † | Coadjutor Vicar Apostolic of London District, England, Great Britain | Vicar Apostolic |
| 32.7 | Appointed | James Robert Talbot † | Titular Bishop of Birtha | Vicar Apostolic of London District, England, Great Britain |
| 12 Mar | | Born | Luis Gregorio López Castillo † | Almagro | Auxiliary Bishop of Toledo, Spain |
| 13 Mar | 43.3 | Confirmed | Kajetan Ignacy Sołtyk † | Bishop of Kraków, Poland |
| 18 Mar | 23.5 | Ordained Priest | John Geddes † | Priest | Coadjutor Vicar Apostolic Emeritus of Lowland District, Scotland, Great Britain |
| 21 Mar | | Born | Giuseppe Stanislao Gentili † | Santa Sophia | Bishop of Colle di Val d’Elsa, Italy |
| 29 Mar | | Born | Antoine de La Grange de Pons † | Riom | Bishop of Moulins, France |
| Born | Antonio de Pons † | Riome | Bishop of Moulins, France |
| Apr | 34.3 | Appointed | Léopold-Charles de Choiseul-Stainville † | Archbishop of Albi, France | Archbishop of Cambrai, France |
| 1 Apr | 47.2 | Ordained Bishop | Andrzej Ignacy Baier † | Bishop of Chelmno (Culma), Poland |
| Ordained Bishop | Andrzej Ignacy Bajer † | Bishop of Chelm, Poland |
| 50.1 | Ordained Bishop | Joseph-Nicolas de Montenach † | Bishop of Lausanne, Switzerland |
| 2 Apr | | Born | Claude-Joseph-Judith-François-Xavier de Sagey † | Ornans | Bishop Emeritus of Tulle, France |
| 4 Apr | 37.5 | Confirmed | Gabriel-François Moreau † | Bishop of Vence, France | Bishop of Autun, France |
| Appointed | Gabriel Wodzyński † | Coadjutor Bishop of Smoleńsk, Poland | Bishop |
| Appointed | Gabriel Wodzyński † | Titular Bishop of Theveste | Bishop of Smoleńsk, Poland |
| 9 Apr | | Born | Carlos da Cunha e Menezes † | Lisbon | Cardinal, Patriarch of Lisboa, Portugal |
| 32.0 | Confirmed | Charles-François-SIméon de Saint-Simon de Vermandois de Rouvroy de Sandricourt † | Bishop of Agde, France |
| 13 Apr | | Born | Antoni Angelowicz † | Lviv | Archbishop of Lviv (Ukrainian), Ukraine |
| 14 Apr | 23.0 | Ordained Priest | Nikolaj Bani † | Priest | Archbishop (Personal Title) of Dubrovnik (Ragusa), Croatia |
| 16 Apr | 57.2 | Died | Louis-Albert Joly de Choin † | Bishop of Toulon, France |
| 22 Apr | 50.3 | Ordained Bishop | Thomas Burke (de Burgo), O.P. † | Bishop of Ossory, Ireland |
| 23 Apr | | Born | Dominique-Georges-Frédéric Dufour de Pradt † | Allanche, France | Archbishop Emeritus of Mechelen, Belgium |
| 25 Apr | 46.6 | Appointed | Dominique de La Rochefoucauld † | Cardinal, Archbishop of Rouen, France |
| 51.2 | Appointed | Louis-Albert de Lezay-Marnesia † | Bishop of Evreux, France | Bishop Emeritus |
| 29 Apr | 52.3 | Ordained Bishop | Claude-Antoine-François-Jacquemet Gaultier d'Ancyse † | Bishop of Luçon, France |
| 37.6 | Ordained Bishop | Gabriel-François Moreau † | Bishop of Vence, France | Bishop of Autun, France |
| 2 May | 53.9 | Ordained Bishop | José Antonio Basurco y Herrera † | Bishop of Buenos Aires, Argentina |
| 6 May | 32.1 | Ordained Bishop | Charles-François-SIméon de Saint-Simon de Vermandois de Rouvroy de Sandricourt † | Bishop of Agde, France |
| 7 May | 56.3 | Ordained Bishop | Władysław Aleksander Łubieński † | Archbishop of Gniezno, Poland |
| 13 May | 40.4 | Ordained Bishop | Martial-Louis de Beaupoil de Saint-Aulaire † | Bishop of Poitiers, France |
| 54.4 | Ordained Bishop | Jean-Antoine de Toucheboeuf de Beaumont des Junies † | Bishop of Rennes, France | Bishop Emeritus |
| 21 May | | Born | Bernardo del Espíritu Santo Martínez y Ocejo, O.C.D. † | Comillas, Santander, Spain | Bishop of Sonora, Sonora, México |
| 23 May | | Born | Jean-Armand Chaudru de Trélissac † | Trélissac | Bishop Emeritus of Montauban, France |
| 28 May | 32.7 | Appointed | Joannes-Henricus von Frankenberg † | Archbishop of Mechelen, Belgium | Cardinal, Archbishop Emeritus |
| 36.0 | Appointed | Francisco de Saldanha da Gama † | Cardinal, Patriarch of Lisboa, Portugal |
| 36.0 | Appointed | Francisco de Saldanha da Gama † | Cardinal-Priest | Cardinal, Patriarch of Lisboa, Portugal |
| Appointed | Isidoro Sanchez de Luna, O.S.B. † | Archbishop of Salerno, Italy |
| Jun | 34.5 | Confirmed | Léopold-Charles de Choiseul-Stainville † | Archbishop of Albi, France | Archbishop of Cambrai, France |
| 2 Jun | 46.7 | Confirmed | Dominique de La Rochefoucauld † | Cardinal, Archbishop of Rouen, France |
| 18.4 | Professed | Giulio Cesare Pallavicini † | Member of Society of Jesus | Bishop of Luni e Sarzana, Italy |
| 5 Jun | | Born | Lorenzo D'Antoni † | Palermo, Italy | Titular Bishop of Germanicopolis |
| 7 Jun | 47.4 | Confirmed | Jean-Louis de La Marthonie de Caussade † | Bishop of Meaux, France |
| 11 Jun | | Born | Jean-Baptiste de Bouillé † | Saint-Just-sous-Brioude | Bishop of Poitiers, France |
| 17 Jun | 18.4 | Professed | Filippo Ganucci † | Member of Society of Jesus | Bishop of Livorno, Italy |
| 20 Jun | 56.6 | Died | Moritz Adolf Karl Herzog von Sachsen-Zeitz (Saský) † | Bishop of Litomĕrice, Czech Republic |
| 21 Jun | 62.1 | Died | Francesco Scipione Maria Borghese † | Cardinal, Bishop of Porto e Santa Rufina, Italy |