| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Appointed | Sarkis al Jamry † | Bishop |
| Ordained Bishop | Sarkis al Jamry † | Bishop |
| 39.0 | Appointed | Juan Asensio Barrios, O. de M. † | Master General of Order of Our Lady of Mercy | Bishop of Jaén, Spain |
| 64.0 | Died | Octavio Asinari, B. † | Bishop of Ivrea, Italy |
| 24.0 | Ordained Priest | François-Ignace de Baglion du Saillant, C.O. † | Priest of Confederation of Oratorians of St. Philip Neri | Bishop of Poitiers, France |
| 70.0 | Died | Pietro Paolo Bonsi † | Bishop of Conversano, Italy |
| 72.0 | Died | Benedetto Bragadin, O.F.M. Obs. † | Archbishop of Corfù, Greece |
| 51.1 | Incardinated | Jodok Brendt Hopner † | Priest of Passau, Germany | Auxiliary Bishop Emeritus |
| Born | Henri de Briqueville de La Luzerne † | | Bishop of Cahors, France |
| 81.0 | Died | Giovanni Antonio Galderisi † | Bishop of Bovino, Italy |
| 54.8 | Died | Ercole Coppola † | Bishop of Nicotera, Italy |
| Died | Gaspar de Creales Arce † | Archbishop of Reggio Calabria, Italy |
| Born | Pedro Díaz de Durana † | | Bishop-Elect of Paraguay (o Ssma Assunzione) |
| Born | Malachy Dulany † | | Bishop of Ossory, Ireland |
| Died | Michał Erazm Działyński † | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| 31.7 | Selected | Franz Egon von Fürstenberg † | Bishop of Metz, France | Bishop of Strasbourg, France |
| Born | Giovanni Battista Gentile, O.S.B. † | | Bishop of Ajaccio, France |
| 66.0 | Died | Adrian Grodecki † | Auxiliary Bishop of Gniezno, Poland |
| Born | Antonio Horcasitas y Avellaneda † | | Bishop of Calahorra y La Calzada, Spain |
| Born | Edmund Kelly † | | Bishop of Clonfert, Ireland |
| Born | Francisco de la Cuesta, O.S.H. † | | Bishop of Michoacán, México |
| Born | Pedro Magaña, O.S.B. † | | Bishop of Solsona, Spain |
| 55.4 | Resigned | Jules Raymond (Giulio Raimondo) Mazarin (Mazzarino) † | Bishop-Elect of Metz, France | Cardinal, Abbot of Cluny, France |
| Born | Louis Milon † | | Bishop of Condom, France |
| Died | Pedro de Ortega y Sotomayor † | Bishop of Cuzco, Peru |
| Born | Gerolamo Ubertino Provana, C.R. † | | Bishop of Alba (Pompea), Italy |
| Died | Giovanni Alfonso Puccinelli, C.R.L. † | Archbishop of Manfredonia, Italy |
| 77.0 | Died | Caesar Reghini † | Bishop of Sarsina, Italy |
| 24.0 | Ordained Priest | Heinrich Hartard von Rollingen † | Priest of Speyer, Germany | Bishop |
| 58.0 | Died | Garcia Ruiz Cabezas † | Bishop of Cartagena, Colombia |
| 27.0 | Ordained Priest | Ignace Grégoire Pierre VI Shahbaddin † | Priest | Patriarch of Antiochia {Antioch} (Syrian), Lebanon |
| Died | Enea di Cesare Spennazzi † | Bishop of Ferentino, Italy |
| 47.1 | Succeeded | Ludwik Stempkowski † | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| Born | Jeronim Ustryckyj † | | Bishop Emeritus of Przemyśl, Sambor, et Sanok (Ukrainian), Poland |
| 28.0 | Ordained Priest | Claudio de Villagómez † | Priest | Titular Bishop of Traianopolis in Rhodope |
| Jan | | Born | Jan Dłużewski † | | Auxiliary Bishop of Chełm, Poland |
| 1 Jan | | Born | Baltazar Wilksycki † | | Auxiliary Bishop of Poznań, Poland |
| 6 Jan | 57.6 | Died | Ulrich Grappler von Trappenburg † | Auxiliary Bishop of Passau, Germany |
| 12 Jan | | Born | Francisco Ochoa Mendarozqueta y Arzamendi † | | Bishop of Palencia, Spain |
| 13 Jan | | Born | Francesco Giuseppe Arborio di Gattinara, B. † | | Archbishop of Torino {Turin}, Italy |
| 14 Jan | | Appointed | Mihalj Pommer (Jahnna), O.F.M. Ref. † | Bishop of Duvno, Bosnia and Herzegovina |
| 45.6 | Appointed | Giulio Spinola † | Titular Archbishop of Laodicea in Phrygia | Cardinal, Bishop Emeritus of Lucca, Italy |
| 46.0 | Confirmed | Philipp Valentin Albrecht Voit von Rieneck † | Bishop of Bamberg, Germany |
| 19 Jan | 67.1 | Appointed | Juan Alonso de Cuevas y Davalos † | Bishop of Antequera, Oaxaca, México | Archbishop of México, Federal District |
| 20 Jan | | Converted | Athanasius II † | Archbishop Emeritus |
| 40.0 | Ordained Bishop | Paolo Maria Spínola, C.R.S. † | Bishop of Sagone (Sagona), France |
| 28 Jan | | Appointed | Francesco Densa † | Bishop of San Severo, Italy |
| Born | Vincenzo Ferrero, O.P. † | | Bishop of Lucera, Italy |
| 67.0 | Appointed | Diego López de la Vega † | Bishop of Coria, Spain |
| 48.0 | Appointed | Peter Walenburch † | Auxiliary Bishop of Mainz, Germany | Auxiliary Bishop of Köln {Cologne}, Germany |
| 48.0 | Appointed | Peter Walenburch † | Titular Bishop of Missene (Mysia) | Auxiliary Bishop of Köln {Cologne}, Germany |
| 29 Jan | 51.0 | Appointed | Giacomo Capay y Castagner † | Bishop of Bosa, Italy |
| 3 Feb | | Born | João de Souza e Carvalho † | | Bishop of Miranda (do Douro), Portugal |
| 4 Feb | 77.0 | Died | Francisco Sánchez Villanueva y Vega † | Bishop Emeritus of Islas Canarias {Canary Islands}, Spain |
| 8 Feb | | Died | Jean de Miossens de Sansons † | Bishop of Oloron (Oloron-Sainte-Marie), France |
| 10 Feb | 45.7 | Ordained Bishop | Giulio Spinola † | Titular Archbishop of Laodicea in Phrygia | Cardinal, Bishop Emeritus of Lucca, Italy |
| 17 Feb | | Ordained Bishop | Francesco Densa † | Bishop of San Severo, Italy |
| 18 Feb | | Born | Johann Franz von Schenk von Stauffenberg † | | Bishop of Konstanz {Constance}, Germany |
| 25 Feb | 49.1 | Appointed | Enrico Borghi, O.S.M. † | Bishop of Alife, Italy |
| 53.0 | Confirmed | Diego del Castillo y Arteaga † | Bishop of Badajoz, Spain |
| Confirmed | Vasco Jacinto de Contreras y Valverde † | Bishop of Popayán, Colombia | Bishop of Ayacucho o Huamanga (Guamanga), Peru |
| Confirmed | Francisco de la Cruz, O.P. † | Bishop of Santa Marta, Colombia |
| 58.4 | Appointed | Antonio Paiño Sevilla † | Archbishop of Burgos, Spain | Archbishop of Sevilla {Seville}, Spain |
| 50.2 | Appointed | Andrzej Trzebicki † | Bishop of Kraków, Poland |
| 28 Feb | 44.1 | Selected | Pierre Pingré † | Bishop of Toulon, France |
| Mar | | Born | Giovanni Crisostomo Battelli † | | Titular Archbishop of Amasea |
| 59.6 | Resigned | Scipione Pannocchieschi d’Elci † | Apostolic Nuncio to Emperor | Cardinal, Archbishop Emeritus of Pisa, Italy |
| 3 Mar | 53.1 | Ordained Bishop | Diego del Castillo y Arteaga † | Bishop of Badajoz, Spain |
| 4 Mar | | Born | François de Mailly † | | Cardinal, Archbishop of Reims, France |
| 10 Mar | 49.1 | Ordained Bishop | Enrico Borghi, O.S.M. † | Bishop of Alife, Italy |
| 15 Mar | 60.8 | Selected | Karel van den Bosch † | Bishop of Gent {Ghent, Gand}, Belgium |
| 18 Mar | 38.2 | Appointed | Jerzy Białłozor † | Bishop of Smoleńsk, Poland | Bishop of Vilnius, Lithuania |
| 39.2 | Appointed | Pier Maria Bichi, O.S.B. † | Bishop of Todi, Italy | Bishop of Sovana (Soana), Italy |
| 48.4 | Appointed | Ottavio Acquaviva d’Aragona (Jr.) † | Cardinal, Cardinal-Priest of Santa Cecilia |
| Confirmed | Alfonso de Llaño Buelna † | Bishop of Zamora, Spain | Bishop-Elect |
| 47.2 | Appointed | Mikołaj Oborski † | Auxiliary Bishop of Kraków, Poland |
| 47.2 | Appointed | Mikołaj Oborski † | Titular Bishop of Laodicea in Syria | Auxiliary Bishop of Kraków, Poland |
| 27 Mar | 24.2 | Ordained Priest | Angelo Veniero (Venerius) † | Priest | Bishop of Tinos and Mykonos, Greece |
| 28 Mar | 67.2 | Died | Marcantonio Bragadin † | Cardinal, Bishop Emeritus of Vicenza, Italy |
| 31 Mar | 39.2 | Ordained Bishop | Pier Maria Bichi, O.S.B. † | Bishop of Todi, Italy | Bishop of Sovana (Soana), Italy |
| Born | Giuseppe Migliaccio † | | Archbishop of Messina, Italy |
| 1 Apr | 44.6 | Appointed | Baccio Aldobrandini † | Cardinal, Cardinal-Priest of Santi Nereo ed Achilleo |
| Appointed | Francesco Caetani † | Bishop of Sarsina, Italy |
| 54.0 | Appointed | Cesare Cancellotti, C.O. † | Bishop of Bisceglie, Italy | Bishop of Montalto (delle Marche), Italy |
| 47.2 | Confirmed | Gilbert de Clérembault † | Bishop of Poitiers, France |
| 55.2 | Appointed | Tomasz Leżeński, O. Cist. † | Bishop of Chełm, Poland | Bishop of Lutsk (Łuck), Ukraine |
| 41.2 | Appointed | Gianlucido Palombara † | Bishop of Pesaro, Italy |
| 51.2 | Resigned | Fabrizio Savelli † | Archbishop of Salerno, Italy | Cardinal, Archbishop Emeritus |
| 53.2 | Appointed | Giovanni de Torres † | Archbishop of Salerno, Italy |
| 72.6 | Appointed | Pedro Urbina Montoya, O.F.M. Obs. † | Archbishop of Sevilla {Seville}, Spain |
| 41.2 | Appointed | Cristoforo Vidman † | Cardinal, Cardinal-Priest of San Marco |
| 4 Apr | 65.2 | Died | Jacques Desclaux † | Bishop of Acqs (Dax), France |
| 6 Apr | 26.7 | Ordained Priest | Giovanni Battista Antici † | Priest | Bishop of Amelia, Italy |
| 26.2 | Ordained Priest | Francesco Scannagatta † | Priest | Bishop of Avellino e Frigento, Italy |
| 25.2 | Ordained Priest | Nikola Spanić † | Priest of Korčula (Curzola, Cursola), Croatia | Bishop |
| 7 Apr | 54.0 | Ordained Bishop | Cesare Cancellotti, C.O. † | Bishop of Bisceglie, Italy | Bishop of Montalto (delle Marche), Italy |
| 41.2 | Ordained Bishop | Gianlucido Palombara † | Bishop of Pesaro, Italy |
| 11 Apr | 34.9 | Appointed | St. François-Xavier de Laval de Montmorency † | Vicar Apostolic of New France (Nouvelle-France), Canada | Bishop Emeritus of Québec, Canada |
| 34.9 | Appointed | St. François-Xavier de Laval de Montmorency † | Titular Bishop of Petra in Palaestina | Bishop Emeritus of Québec, Canada |
| 13 Apr | | Born | Pedro Lázaro y Terrer, O.F.M. Obs. † | | Bishop of Ugento, Italy |
| 15 Apr | 50.2 | Died | Andrzej Leszczyński † | Archbishop of Gniezno, Poland |
| 16 Apr | | Born | Francesco Trevisani † | | Bishop of Verona, Italy |
| 20 Apr | | Born | Donato Ansani † | | Bishop of Marsico Nuovo, Italy |
| 22 Apr | | Ordained Bishop | Francesco Caetani † | Bishop of Sarsina, Italy |
| 23 Apr | | Born | Luigi Ruzini (Ruzzini) † | | Bishop of Bergamo, Italy |
| 28 Apr | 22.9 | Ordained Priest | Ludovico Masdoni † | Priest | Bishop of Modena, Italy |
| Born | Giorgio (Juraj) Parchich † | | Bishop of Nona (Nin), Croatia |
| Ordained Bishop | Mihalj Pommer (Jahnna), O.F.M. Ref. † | Bishop of Duvno, Bosnia and Herzegovina |
| 29 Apr | 60.3 | Elevated to Cardinal | Volumnio Bandinelli † | In Pectore | Cardinal, Cardinal-Priest of Santi Silvestro e Martino ai Monti |
| Born | Giovanni Francesco Barbarigo † | | Cardinal, Bishop of Padova {Padua}, Italy |
| 58.5 | Elevated to Cardinal | Girolamo Farnese † | Cardinal, Cardinal-Priest of Sant’Agnese fuori le mura |
| 45.3 | Elevated to Cardinal | Giacomo Franzoni † | In Pectore | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| Confirmed | Tomás Manso, O.F.M. † | Bishop of Nicaragua |
| 50.4 | Elevated to Cardinal | Francesco Maria Sforza Pallavicino † | Cardinal, Cardinal-Deacon of San Salvatore in Lauro |
| 59.8 | Elevated to Cardinal | Scipione Pannocchieschi d’Elci † | Cardinal, Archbishop Emeritus of Pisa, Italy |
| 45.3 | Elevated to Cardinal | Odoardo Vecchiarelli † | In Pectore | Cardinal, Bishop of Rieti, Italy |
| 30 Apr | | Born | Fabio Olivieri † | | Cardinal, Cardinal-Deacon of Santi Vito, Modesto e Crescenzia |
| 1 May | 66.5 | Died | Jacques de Neuchèze † | Bishop of Chalons-sur-Saône, France |
| 6 May | | Appointed | Hercule Berzet † | Bishop of Saint-Jean-de-Maurienne, France |
| Appointed | Francesco Cribario † | Bishop of Nicotera, Italy |
| 58.6 | Installed | Girolamo Farnese † | Cardinal, Cardinal-Priest of Sant’Agnese fuori le mura |
| 37.3 | Appointed | Martin Geiger † | Auxiliary Bishop of Passau, Germany |
| 37.3 | Appointed | Martin Geiger † | Titular Bishop of Lampsacus | Auxiliary Bishop of Passau, Germany |
| 59.8 | Installed | Scipione Pannocchieschi d’Elci † | Cardinal-Priest of Santa Sabina | Cardinal, Archbishop Emeritus of Pisa, Italy |
| Appointed | Benedetto Rocci, O. Carm. † | Bishop of Nusco, Italy |
| Appointed | Bonaventura Rousseau † | Auxiliary Bishop of Verdun, France |
| Appointed | Bonaventura Rousseau † | Titular Bishop of Caesarea in Bithynia | Auxiliary Bishop of Verdun, France |
| 49.1 | Appointed | Diego de Tejada y la Guardia † | Bishop of Pamplona, Spain | Archbishop of Burgos, Spain |
| 9 May | | Born | Franz Arnold von Wolff-Metternich zur Gracht † | | Bishop of Paderborn, Germany |
| 12 May | | Ordained Bishop | Hercule Berzet † | Bishop of Saint-Jean-de-Maurienne, France |
| 24 May | 62.1 | Selected | Martín López de Hontiveros † | Archbishop of Valencia, Spain |
| 26 May | 51.0 | Selected | Luis Crespi y Borja, C.O. † | Bishop of Plasencia, Spain |
| Born | Giovanni Ghirardi † | | Bishop of Montemarano, Italy |
| 60.3 | Ordained Bishop | Edmund O’Reilly † | Archbishop of Armagh, Ireland |
| Ordained Bishop | Benedetto Rocci, O. Carm. † | Bishop of Nusco, Italy |
| 28 May | 75.4 | Appointed | Nicolò Guidi di Bagno † | Archbishop (Personal Title) of Senigallia, Italy | Cardinal, Bishop Emeritus |
| Jun | | Died | Nicholas O’Bern † | Vicar Apostolic of Down and Connor, Ireland |
| 1 Jun | 58.4 | Resigned | Jacques Danès de Marly † | Bishop of Toulon, France | Bishop Emeritus |
| 2 Jun | | Born | Pier Marcellino Corradini † | | Cardinal, Cardinal-Bishop of Frascati |
| 42.4 | Ordained Bishop | Roger de Harlay de Cési † | Bishop of Lodève, France |
| 3 Jun | 60.4 | Appointed | Volumnio Bandinelli † | Titular Patriarch of Constantinople | Cardinal, Cardinal-Priest of Santi Silvestro e Martino ai Monti |
| 53.4 | Confirmed | Jean de Montpezat de Carbon † | Bishop of Saint-Papoul, France | Archbishop of Sens, France |
| Appointed | Vincenzo Roviglioni † | Bishop of Bovino, Italy |
| 7 Jun | | Born | Claude-Maur d’Aubigné † | | Archbishop of Rouen, France |
| 10 Jun | 60.4 | Ordained Bishop | Volumnio Bandinelli † | Titular Patriarch of Constantinople | Cardinal, Cardinal-Priest of Santi Silvestro e Martino ai Monti |
| Born | Gaetano de Castillo, C.R. † | | Bishop of Lipari, Italy |
| 11 Jun | 39.4 | Selected | Dominique de Ligni † | Coadjutor Bishop of Meaux, France | Bishop |
| 15 Jun | 28.4 | Ordained Priest | Estevão Brioso de Figueiredo † | Priest | Bishop of Funchal, Portugal |
| 24.2 | Ordained Priest | Jules Mascaron, C.O.I. † | Priest of Société de l’Oratoire de Jésus | Bishop of Agen, France |
| 22.9 | Ordained Priest | Innocenzo Migliavacca (Milliavacca), O. Cist. † | Priest of Order of Cistercians | Bishop of Asti, Italy |
| 16 Jun | 71.1 | Died | Benoît-Théophile de Chevron Villette † | Archbishop of Tarentaise (Moûtiers-en-Tarentaise), France |
| 17 Jun | | Died | Antonio de Estrada Manrique † | Bishop of Palencia, Spain |
| 44.4 | Confirmed | Pierre Pingré † | Bishop of Toulon, France |
| Appointed | Stanisław Sarnowski † | Bishop of Przemyśl, Poland | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 19 Jun | | Born | Lamberto Manuel López † | | Bishop of Teruel, Spain |
| 21 Jun | 70.4 | Died | Jean Henri de Salette † | Bishop of Lescar, France |
| 22 Jun | | Born | Franciszek Józef Kraszkowski † | | Auxiliary Bishop of Gniezno, Poland |
| 24 Jun | 74.8 | Died | Diego Martínez Zarzosa † | Bishop of Málaga, Spain |
| 26 Jun | | Born | Marco Giacinto Gandolfo † | | Bishop of Noli, Italy |
| 29 Jun | | Appointed | Diego Gatica, O. de M. † | Auxiliary Bishop of Sevilla {Seville}, Spain |
| Appointed | Diego Gatica, O. de M. † | Titular Bishop of Utica | Auxiliary Bishop of Sevilla {Seville}, Spain |
| 30 Jun | | Selected | Charles-Louis de Lorraine, O. Cist. † | Bishop of Condom, France |