| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 52.0 | Died | Martino Alfieri † | Archbishop of Cosenza, Italy |
| Born | Jean-Baptiste de Beaumanoir de Lavardin † | Lavardin | Bishop of Rennes, France |
| Born | Armand-Louis Bonnin de Chalucet † | Bretagne | Bishop of Toulon, France |
| Ordained Bishop | Josse Bouckaert † | Bishop of Ypres (Ieper), Belgium |
| Born | João de Casal, O.S.A. † | Alentejo, Portugal | Bishop of Macau, China |
| Died | Angelo Castellari, O.M. † | Bishop of Caorle, Italy |
| 63.0 | Died | Cristóbal de Aresti Martínez de Aguilar, O.S.B. † | Bishop of Buenos Aires, Argentina |
| Born | Mateo Delgado † | Toletan | Bishop of Ayacucho o Huamanga (Guamanga), Peru |
| Born | Juan Durán, O. de M. † | Lima, Peru | Auxiliary Bishop of Cebu, Philippines |
| Died | Felice Franceschini, O.F.M. Conv. † | Bishop of Andria, Italy |
| Born | Fernando Guzmán, O.F.M. † | Algaba | Bishop of Segovia, Spain |
| Born | Petrus Lambertus Ledrou, O.S.A. † | Huy | Titular Bishop of Porphyreon |
| Resigned | Henri de Lorraine-Guise † | Archbishop of Reims, France | Archbishop Emeritus |
| Born | Agostino Flavio Macedonich, O.F.M. † | Breno | Bishop of Stagno (Ston), Croatia |
| Died | Gavino Magliano † | Archbishop of Oristano, Italy |
| Died | Girolamo Magnesi † | Bishop of Potenza, Italy |
| 55.0 | Died | Sebastião de Matos de Noronha † | Archbishop of Braga, Portugal |
| Born | Franciscus Nicolini † | Florence | Titular Archbishop of Rhodus |
| 69.0 | Died | Vincenzo Pagano, C.R. † | Bishop of Acerra, Italy |
| 74.0 | Died | Ambrogio Palumbo, O.P. † | Bishop of Vieste, Italy |
| Born | Ottavio Paravicino † | Mediolanen | Bishop of Mileto, Italy |
| Born | Giovanni Battista Ponzi † | Corigliano | Bishop of Umbriatico (Umbriaticum), Italy |
| Died | Sfortia Ponzoni † | Archbishop of Split (Spalato), Croatia |
| Died | Bruno Ruade † | Bishop of (Saint-Lizier de) Couserans, France |
| Born | François-Charles de Salettes † | Lascuren | Bishop of Oloron (Oloron-Sainte-Marie), France |
| Professed | Bernhard von Schrattenbach, O. Cist. † | Member of Order of Cistercians | Prefect of Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany |
| 43.5 | Resigned | Ranuccio (Ranuzio) Scotti Douglas † | Apostolic Nuncio to France | Bishop Emeritus of Borgo San Donnino, Italy |
| Born | Tomasz Skotnicki † | Krakow | Auxiliary Bishop of Chelmno (Culma, Kulm), Poland |
| 40.0 | Succeeded | Pietro de Vico † | Bishop of Oristano, Italy | Archbishop of Cagliari, Italy |
| Jan | | Born | Nicolò Caranza † | Varese Ligure | Bishop of Borgo San Donnino, Italy |
| 1 Jan | 65.8 | Died | Giovanni Tommaso Eustachio, C.O. † | Bishop Emeritus of Larino, Italy |
| Died | Francisco Navarro de Eugui † | Bishop of Huesca, Spain |
| 5 Jan | | Succeeded | Esteban de Esmir † | Bishop of Huesca, Spain |
| 7 Jan | 58.8 | Appointed | Pedro Tapia, O.P. † | Bishop of Segovia, Spain | Archbishop of Sevilla {Seville}, Spain |
| 14 Jan | | Died | Petrus Bellino † | Bishop of Saluzzo, Italy |
| 21 Jan | | Born | Franz Christoph Rinck von Balderstein † | Jonschwil | Auxiliary Bishop of Eichstätt, Germany |
| 24 Jan | 79.1 | Died | Felice Centini, O.F.M. Conv. † | Cardinal, Bishop of Macerata e Tolentino, Italy |
| 30 Jan | 47.1 | Died | Zacharias Stumpf † | Auxiliary Bishop of Würzburg, Germany |
| Feb | | Born | Giuseppe Guerriero de Torres, O.S.A. † | Antequera | Bishop of Gaeta, Italy |
| 11 Feb | | Born | Giuseppe Sallustio Fadulfi † | Interamnen | Bishop of Ascoli Piceno, Italy |
| 16 Feb | | Born | Taddeo Luigi dal Verme † | Piacenza | Cardinal, Bishop of Ferrara, Italy |
| 22 Feb | | Died | Matteo Sanudo † | Bishop of Concordia (Sagittaria), Italy |
| 23 Feb | 26.1 | Ordained Priest | Cosme Roger, O. Cist. † | Priest of Order of Cistercians | Bishop of Lombez, France |
| 25 Feb | 74.3 | Appointed | Francesco Cennini de’ Salamandri † | Cardinal-Bishop of Santa Sabina | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 41.1 | Appointed | Paul Fieschi † | Bishop of Toul, France |
| 45.5 | Appointed | Girolamo (Jérome) Grimaldi-Cavalleroni † | Titular Archbishop of Seleucia in Isauria | Cardinal, Archbishop of Aix, France |
| Resigned | Henri de Sponde † | Bishop of Pamiers, France | Bishop Emeritus |
| Succeeded | Jean de Sponde † | Bishop of Pamiers, France |
| 59.1 | Appointed | Juan Vélez de Valdivielso † | Bishop of Avila, Spain | Bishop of Cartagena (en España) |
| Mar | 74.2 | Died | Tegrimus Tegrimi † | Bishop of Assisi, Italy |
| 3 Mar | 45.5 | Ordained Bishop | Girolamo (Jérome) Grimaldi-Cavalleroni † | Titular Archbishop of Seleucia in Isauria | Cardinal, Archbishop of Aix, France |
| 18 Mar | 45.2 | Appointed | Paolo Pellegrini † | Bishop of Capri, Italy |
| 58.2 | Appointed | Antin Selava † | Archbishop of Kyiv-Halyč {Kiev} (Ruthenian), Ukraine |
| 24 Mar | 73.2 | Ordained Bishop | Domingo de Villaescusa y Ramírez de Arellano, O.S.H. † | Bishop of Chiapas (Ciudad Real de Chiapas), México | Bishop of Yucatán (Mérida), México |
| 27 Mar | 45.6 | Appointed | Girolamo (Jérome) Grimaldi-Cavalleroni † | Apostolic Nuncio to France | Cardinal, Archbishop of Aix, France |
| 57.2 | Died | Wilhelm von Welsberg † | Bishop of Brixen {Bressanone}, Italy |
| 30 Mar | 31.2 | Ordained Priest | Peter Walenburch † | Priest of Köln {Cologne}, Germany | Auxiliary Bishop |
| 31 Mar | | Born | Adrian von Riedmatten (IV) † | Münster | Bishop of Sion {Sitten}, Switzerland |
| Apr | 64.3 | Ordained Priest | Aegidius Ursinus de Vivere † | Priest | Titular Patriarch of Jerusalem {Gerusalemme}, Palestine |
| 2 Apr | 45.3 | Ordained Bishop | Paolo Pellegrini † | Bishop of Capri, Italy |
| 13 Apr | 51.3 | Died | Scipione Tancredi † | Bishop of Montalcino, Italy |
| 15 Apr | 36.3 | Appointed | Leonardus Bondumerius † | Archbishop of Split (Spalato), Croatia | Archbishop Emeritus |
| 37.0 | Appointed | Otto Friedrich von Buchheim (Puchheim) † | Bishop of Ljubljana, Slovenia |
| 64.3 | Appointed | Aegidius Ursinus de Vivere † | Titular Patriarch of Jerusalem {Gerusalemme}, Palestine |
| 19 Apr | 66.8 | Died | Juan Alonso de Solis y Mendoza, O. Carm. † | Bishop of Puerto Rico (Porto Rico) |
| 21 Apr | 37.0 | Ordained Bishop | Otto Friedrich von Buchheim (Puchheim) † | Bishop of Ljubljana, Slovenia |
| 28 Apr | 64.3 | Ordained Bishop | Aegidius Ursinus de Vivere † | Titular Patriarch of Jerusalem {Gerusalemme}, Palestine |
| 29 Apr | 71.3 | Died | Cristóbal de la Cámara y Murga † | Bishop of Salamanca, Spain |
| 30 Apr | | Died | Ettore Diotallevi † | Bishop of Fano, Italy |
| May | | Born | Franciscus Jany † | Novati | Bishop of Sirmio (Srijem; Sirmium), Croatia |
| Born | Leonardo Marsili † | Siena | Archbishop of Siena, Italy |
| Born | Giuseppe Antonio Sillani Leoncilli † | Spoleto | Bishop of Civita Castellana e Orte, Italy |
| 3 May | | Born | Vincenzo Lupi, O.F.M. † | Ragusin | Bishop of Stagno (Ston), Croatia |
| 13 May | 53.0 | Appointed | Joseph de Bergaigne, O.F.M. † | Bishop of ’s Hertogenbosch (Bois-le-Duc), Netherlands | Archbishop of Cambrai, France |
| 67.7 | Died | André Frémyot † | Archbishop Emeritus of Bourges, France |
| 52.4 | Died | Jan Lipski † | Archbishop of Gniezno, Poland |
| 21 May | 81.4 | Died | Bertrand d’Eschaux (de Chaux) † | Archbishop of Tours, France |
| 44.4 | Succeeded | Victor Le Bouthilier † | Archbishop of Tours, France |
| 22 May | 51.6 | Installed | Pedro de Villagómez Vivanco † | Archbishop of Lima, Peru |
| 23 May | | Born | Jaroslav František Ignác von Sternberg (Šternberka) † | Praha | Bishop of Litoměřice, Czech Republic |
| 1 Jun | 56.4 | Died | Carlo Emmanuele Pio di Savoia † | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| Died | Etienne de Vilazel (Virazel) † | Bishop of Saint-Brieuc, France |
| 2 Jun | | Ordained Bishop | Juan Bautista Verchi de Campania (Visco), O.F.M. † | Bishop of Tortosa, Spain | Bishop of Pozzuoli, Italy |
| 10 Jun | 36.4 | Selected | Denis de La Barde † | Bishop of Saint-Brieuc, France |
| 13 Jun | 76.4 | Selected | Johann Platzgummer † | Bishop of Brixen {Bressanone}, Italy |
| 29 Jun | | Born | Pedro de Lope y Dorantes (Lepe Orantes) † | Sanlucar de Barramdeda | Bishop of Calahorra y La Calzada, Spain |