| Date | Age | Event | Bishop | Title | Current Title | 
| unknown | 61.0 | Died | Jan Baikowski † | Auxiliary Bishop of Poznań, Poland | 
 | Born | Édouard Bargedé † |  | Bishop of Nevers, France | 
 | Died | Dominique Blanditi † | Bishop of Umbriatico (Umbriaticum), Italy | 
| 66.1 | Selected | Jean-Pierre Camus † | Bishop of Arras, France | Bishop Emeritus of Belley, France | 
 | Died | Lodovico (Francesco) Centofiorini † | Bishop of Nicotera, Italy | 
| 49.0 | Died | Giacinto Cevoli, O.P. † | Bishop of San Marco (Argentano), Italy | 
| 51.0 | Appointed | Prokip Chmielowski (Chmeljovskyj) † | Coadjutor Bishop of Przemyśl, Sambor, et Sanok (Ukrainian), Poland | Bishop | 
| 51.0 | Appointed | Prokip Chmielowski (Chmeljovskyj) † | Administrator of Lutsk and Ostroh (Ukrainian), Ukraine | Bishop of Przemyśl, Sambor, et Sanok (Ukrainian), Poland | 
| 67.0 | Died | Tommaso d’Aquino, C.R. † | Bishop of Mottola (Motula), Italy | 
 | Born | Jean d’Estrées † |  | Bishop of Laon, France | 
 | Born | Francisco Antonio de la Portilla, O.F.M. † |  | Bishop of Mallorca, Spain | 
 | Born | Manoel da Silva Frances † |  | Auxiliary Bishop of Western Lisboa, Portugal | 
 | Born | François Hébert † |  | Bishop of Agen, France | 
| 61.0 | Resigned | Szymon Jackiewicz-Stawrowski, O.S.B.M. † | Coadjutor Bishop of Kyiv-Halyč {Kiev} (Ukrainian), Ukraine | Coadjutor Bishop Emeritus | 
 | Appointed | Ladislas Jonnart † | Bishop of Arras, France | Archbishop of Cambrai, France | 
 | Born | Martin de La Cassagne † |  | Bishop of Lescar, France | 
| 48.0 | Died | Nykyfor Losovskyj † | Administrator of Lutsk and Ostroh (Ukrainian), Ukraine | Coadjutor Bishop of Polotsk (Połock)-Vitebsk (Ukrainian), Belarus | 
 | Appointed | Pedro Manero, O.F.M. Obs. † | Minister General of Order of Observant Friars Minor | Bishop of Tarazona, Spain | 
| 56.0 | Died | Cherubino Manzoni, O.F.M. † | Bishop of Termoli, Italy | 
 | Born | Antonio Felice Marsili † |  | Bishop of Perugia, Italy | 
 | Born | Ambrose MacDermott, O.P. † |  | Bishop of Elphin, Ireland | 
 | Born | Juan Antonio Muñoz Salcedo, O.S.H. † |  | Bishop of Mondoñedo, Spain | 
 | Born | Dominic Edward Murphy † |  | Archbishop of Dublin, Ireland | 
| 59.0 | Appointed | Giovanni Pusky † | Administrator of Győr (Raab), Hungary | Archbishop of Kalocsa, Hungary | 
 | Died | Gonzalo de Rueda † | Bishop of Gallipoli, Italy | 
| 71.0 | Resigned | Nicolas Sanguin † | Bishop of Senlis, France | Bishop Emeritus | 
| 25.1 | Appointed | Henri de Savoie-Nemours † | Archbishop of Reims, France | Former Archbishop-Elect | 
| 70.0 | Resigned | Francisco Sánchez Villanueva y Vega † | Bishop of Islas Canarias {Canary Islands}, Spain | Bishop Emeritus | 
| 21.0 | Ordained Priest | Johannes Schmitzberger, O.S.B. † | Priest of Order of Saint Benedict | Auxiliary Bishop of Wien, Austria | 
 | Born | Blas Serrate † |  | Bishop of Tarazona, Spain | 
| 83.0 | Resigned | Philipp Christoph von Sötern † | Archbishop of Trier, Germany | Bishop of Speyer, Germany | 
 | Born | Andrés Soto de la Fuente † |  | Bishop of Osma, Spain | 
 | Born | Stanisław Szembek † |  | Archbishop of Gniezno, Poland | 
| 56.1 | Died | Talento de’ Talenti † | Bishop of Montepulciano, Italy | 
 | Born | Meletio Tipaldi † |  | Archbishop of Philadelphia, Turkey | 
 | Born | Felipe Ignacio Trujillo y Guerrero † |  | Bishop of Michoacán, México | 
| 56.0 | Died | Ambrosio Viola, O.P. † | Bishop of Lacedonia, Italy | 
| 5 Jan | 55.8 | Selected | Gabriel de Boislève † | Bishop of Avranches, France | 
 | Resigned | Roger d’Aumont † | Bishop of Avranches, France | Bishop Emeritus | 
| 71.0 | Died | Alphonse d’Elbène † | Bishop Emeritus of Albi, France | 
| 7 Jan | 51.0 | Died | Sallustio Pecólo (Pecoli) † | Bishop Emeritus of Venosa, Italy | 
| 8 Jan | 39.4 | Ordained Bishop | Nicolaus Choart de Buzenval † | Bishop of Beauvais, France | 
| 41.0 | Ordained Bishop | Francesco Maria Falcucci † | Bishop of Calvi Risorta, Italy | 
| 61.0 | Ordained Bishop | Benedetto Geraci † | Bishop of Lipari, Italy | 
 | Ordained Bishop | Carlo Impellizzeri † | Bishop of Mazara del Vallo, Italy | 
 | Ordained Bishop | Andrea Lanfranchi, C.R. † | Bishop of Ugento, Italy | 
| 19 Jan |  | Born | Johannes Wolfgang von Bodman † |  | Auxiliary Bishop of Konstanz {Constance}, Germany | 
| 29 Jan | 34.0 | Ordained Bishop | Kazimierz Florian Czartoryski † | Bishop of Poznań, Poland | Archbishop of Gniezno, Poland | 
| 39.6 | Ordained Bishop | Bl. Benedetto Odescalchi † | Bishop of Novara, Italy | Pope (Roma {Rome}, Italy) | 
| 5 Feb | 25.1 | Ordained Priest | Joannes Gregorius Ardizzoni, C.R. † | Priest of Congregation of Clerics Regular | Bishop of Ajaccio, France | 
 | Born | Franz Ferdinand von Kuenburg † |  | Archbishop of Praha {Prague}, Czechia | 
| 9 Feb | 61.1 | Died | René Leclerc, O.M. † | Bishop of Glandèves, France | 
| 11 Feb |  | Born | Giorgio Barni † |  | Bishop of Piacenza, Italy | 
| 12 Feb |  | Born | Antonio Botado de Foios Pereira, O.S.A. † |  | Auxiliary Bishop of Braga, Portugal | 
 | Died | Pablo Durán † | Bishop of Urgell, Spain | 
| 13 Feb | 45.1 | Appointed | Anne de Lévis-Ventadour † | Archbishop of Bourges, France | 
| 56.1 | Appointed | Jean de Lingendes † | Bishop of Mâcon, France | 
| 15 Feb |  | Born | Emanuele Cicatelli † |  | Bishop of Avellino e Frigento, Italy | 
 | Born | Francesco Antonio Giattini † |  | Bishop Emeritus of Jesi, Italy | 
| 17 Feb |  | Born | Andrea Ariano † |  | Bishop of Andria, Italy | 
| 19 Feb | 62.1 | Ordained Bishop | Nicolás de la Torre Muñoz † | Bishop of Santiago de Cuba | Bishop of Santiago de Cuba | 
| 27 Feb | 41.8 | Appointed | Christophoro d’Authier de Sisgau, O.S.B. † | Titular Bishop of Bethleem | 
| 41.1 | Appointed | Matteo Benlich, O.F.M. † | Bishop of Beograd {Belgrade}, Serbia | 
| 46.1 | Appointed | Andrija Bogdani † | Archbishop of Achrida (Ochrida), Bulgaria | Archbishop Emeritus of Skopje, North Macedonia | 
| 52.1 | Appointed | Filippo Casoni † | Bishop of Borgo San Donnino, Italy | 
| 56.1 | Appointed | Luc Cochiglia † | Bishop of Patti, Italy | 
| 36.8 | Appointed | Franjo Soimirovic (Svimirovich), O.F.M. Obs. † | Bishop of Prizren, Serbia | Archbishop of Achrida (Ochrida), Bulgaria | 
 | Appointed | François de Visdelou † | Coadjutor Bishop of Quimper, France | Bishop of Saint-Pol-de-Léon, France | 
 | Appointed | François de Visdelou † | Titular Bishop of Madaurus | Bishop of Saint-Pol-de-Léon, France | 
| 28 Feb | 46.5 | Selected | François de Rouxel de Médavy † | Bishop of Sées {Séez}, France | Archbishop of Rouen, France | 
| Mar | 63.1 | Died | Fabrizio Carafa † | Bishop of Bitonto, Italy | 
| 5 Mar |  | Selected | Juan Bautista Verchi de Campania (Visco), O.F.M. † | Bishop of Pozzuoli, Italy | 
| 6 Mar | 38.3 | Selected | François Faure † | Bishop of Glandèves, France | Bishop of Amiens, France | 
| 7 Mar | 36.1 | Professed | Gregory (Grégoire) Luo Wenzao (Lou, López), O.P. † | Member of Order of Friars Preachers | Bishop of Nanking [Nanjing], China | 
| 8 Mar |  | Died | René de Rieux de Sourdéac † | Bishop of Saint-Pol-de-Léon, France | 
| 12 Mar | 52.1 | Ordained Bishop | Filippo Casoni † | Bishop of Borgo San Donnino, Italy | 
| 51.1 | Ordained Bishop | Prokip Chmielowski (Chmeljovskyj) † | Coadjutor Bishop of Przemyśl, Sambor, et Sanok (Ukrainian), Poland | Bishop | 
| 17 Mar | 65.2 | Died | Giovanni Battista Vercellino † | Bishop of Aosta, Italy | 
| 20 Mar | 40.3 | Appointed | Ludwik Stempkowski † | Coadjutor Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine | Bishop | 
| 40.3 | Appointed | Ludwik Stempkowski † | Titular Bishop of Heliopolis in Augustamnica | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine | 
| 36.2 | Appointed | Stanisław Jacek Święcicki, C.R.S.A. † | Auxiliary Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania | Bishop of Chełm, Poland | 
| 36.2 | Appointed | Stanisław Jacek Święcicki, C.R.S.A. † | Titular Bishop of Spiga(z) (or Pegae) | Bishop of Chełm, Poland | 
| 26 Mar | 41.9 | Ordained Bishop | Christophoro d’Authier de Sisgau, O.S.B. † | Titular Bishop of Bethleem | 
| 54.6 | Ordained Bishop | Sebastian Denich † | Titular Bishop of Halmiros | Auxiliary Bishop Emeritus of Regensburg, Germany | 
| 30 Mar |  | Born | Aleksander Mikołaj Horain † |  | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania | 
| 31.0 | Selected | Henri-Marie de Laval de Bois-Dauphin † | Bishop of Saint-Pol-de-Léon, France | Bishop of La Rochelle, France | 
| Apr | 46.2 | Ordained Bishop | Andrija Bogdani † | Archbishop of Achrida (Ochrida), Bulgaria | Archbishop Emeritus of Skopje, North Macedonia | 
| 36.2 | Ordained Bishop | Stanisław Jacek Święcicki, C.R.S.A. † | Titular Bishop of Spiga(z) (or Pegae) | Bishop of Chełm, Poland | 
| 1 Apr |  | Born | Sebastiano Pompilio Bonaventura † |  | Bishop of Corneto (Tarquinia) e Montefiascone, Italy | 
| 2 Apr | 54.0 | Selected | Juan Alonso y Ocón † | Archbishop of La Plata o Charcas, Bolivia | 
 | Born | Fabrizio Paolucci † |  | Cardinal, Secretary of State | 
| 5 Apr | 56.2 | Died | Timoteo Pérez Vargas, O.C.D. † | Bishop Emeritus of Ispahan, Iran | 
| 8 Apr | 62.1 | Died | Léonor d’Estampes de Valançay, O.S.B. † | Archbishop of Reims, France | 
| 22.9 | Ordained Priest | Giovanni Battista Desio † | Priest | Bishop of Venosa, Italy | 
| 25.2 | Ordained Priest | Antonio Molinari † | Priest | Bishop of Lettere (-Gragnano), Italy | 
| 15 Apr |  | Born | Maximilian Heinrich von Weichs zu Rösberg † |  | Auxiliary Bishop of Hildesheim, Germany | 
| 18 Apr | 52.2 | Installed | Filippo Casoni † | Bishop of Borgo San Donnino, Italy | 
| 29 Apr |  | Born | Giuseppe Renato Imperiali † |  | Cardinal, Cardinal-Priest of San Lorenzo in Lucina | 
| 30 Apr | 45.3 | Ordained Bishop | Anne de Lévis-Ventadour † | Archbishop of Bourges, France | 
| May | 65.3 | Resigned | François de Harlay de Champvallon † | Archbishop of Rouen, France | Archbishop Emeritus | 
| 1 May | 56.7 | Ordained Bishop | Beat Albrecht von Ramstein † | Bishop of Basel, Switzerland | 
| 7 May |  | Born | Giuseppe Archinto † |  | Cardinal, Archbishop of Milano {Milan}, Italy | 
| 39.3 | Appointed | Maciej Marian Kurski, O.F.M. † | Bishop of Bacău, Romania | Auxiliary Bishop of Poznań, Poland | 
| 49.8 | Confirmed | Dietrich Adolf von der Reck † | Bishop of Paderborn, Germany | 
 | Ordained Bishop | François de Visdelou † | Titular Bishop of Madaurus | Bishop of Saint-Pol-de-Léon, France | 
| 8 May | 44.0 | Selected | Luis Crespi y Borja, C.O. † | Bishop of Orihuela, Spain | Bishop of Plasencia, Spain | 
| 10 May |  | Born | Edme Bélot, M.E.P. † |  | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viet Nam | 
| 21 May | 37.0 | Ordained Bishop | Franjo Soimirovic (Svimirovich), O.F.M. Obs. † | Bishop of Prizren, Serbia | Archbishop of Achrida (Ochrida), Bulgaria | 
| 22 May | 48.3 | Appointed | Fabrizio Campana, O.S.B. † | Archbishop of Conza, Italy | 
| 48.2 | Appointed | Ercole Coppola † | Bishop of Nicotera, Italy | 
| 60.3 | Appointed | André Creusen † | Bishop of Roermond, Netherlands | Archbishop of Mechelen, Belgium | 
| 44.6 | Confirmed | Christoph Bernhard von Galen † | Bishop of Münster, Germany | 
| 23 May | 25.7 | Selected | François de Harlay de Champvallon † | Archbishop of Rouen, France | Archbishop of Paris, France | 
| 27 May |  | Born | Louis-Antoine de Noailles † |  | Cardinal, Archbishop of Paris, France | 
| 28 May | 48.4 | Ordained Bishop | Fabrizio Campana, O.S.B. † | Archbishop of Conza, Italy | 
 | Ordained Bishop | Rodrigo de Cárdenas, O.P. † | Bishop of Nueva Segovia, Philippines | 
| 75.4 | Died | Jean de Plantavit de la Pause † | Bishop Emeritus of Lodève, France | 
| 29 May | 48.2 | Ordained Bishop | Ercole Coppola † | Bishop of Nicotera, Italy | 
| 30 May | 65.4 | Died | Luis Venegas Figueroa † | Bishop of Almería, Spain | 
| 9 Jun | 50.4 | Appointed | Louis d’Estaing † | Bishop of Clermont, France | 
| 38.5 | Confirmed | François Faure † | Bishop of Glandèves, France | Bishop of Amiens, France | 
| 16 Jun |  | Born | André-Daniel de Beaupoil de Saint-Aulaire † |  | Bishop Emeritus of Tulle, France | 
| 18 Jun | 61.0 | Died | Francisco Rodríguez de Valcárcel † | Bishop of Cartagena, Colombia | 
| 19 Jun | 31.2 | Confirmed | Henri-Marie de Laval de Bois-Dauphin † | Bishop of Saint-Pol-de-Léon, France | Bishop of La Rochelle, France | 
| 21 Jun |  | Born | Michele Petirro † |  | Bishop of Pozzuoli, Italy | 
| 23 Jun | 30.4 | Selected | Denis Sanguin de Livry † | Bishop of Senlis, France | 
| 25 Jun | 41.4 | Ordained Bishop | Matteo Benlich, O.F.M. † | Bishop of Beograd {Belgrade}, Serbia | 
 | Born | Ortensio Visconti † |  | Bishop of Lodi, Italy | 
| 28 Jun |  | Born | Giambattista Isnardi de Castello † |  | Bishop of Mondovi, Italy | 
| 30 Jun | 53.4 | Died | Michael Chumer (Chumberg), O.F.M. † | Auxiliary Bishop of Ljubljana (Laybach; Laibach), Slovenia |