| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Born | Juan de Argüelles, O.S.A. † | Lima, Peru | Bishop-Elect of Arequipa, Peru |
| 64.0 | Died | Octavio Asinari, B. † | Bishop of Ivrea, Italy |
| Resigned | Claude Auvry † | Bishop of Coutances, France | Bishop Emeritus |
| 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. † | Archbishop of Corfù, Greece |
| 51.2 | Incardinated | Jodok Brendt † | Priest of Passau, Germany | Auxiliary Bishop Emeritus |
| 81.0 | Died | Giovanni Antonio Galderisi † | Bishop of Bovino, Italy |
| 66.0 | Died | Bernardo Cardona † | Bishop of Gerona, Spain |
| Born | Louis-Annet de Clermont de Chaste de Roussillon † | Charpey | Bishop of Laon, France |
| 54.9 | Died | Ercole Coppola † | Bishop of Nicotera, Italy |
| Died | Gaspar de Creales Arce † | Archbishop of Reggio Calabria, Italy |
| Born | Pedro Díaz de Durana † | Arequipa | Bishop-Elect of Paraguay |
| Died | Michał Erazm Działyński † | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| Born | Charles d’Espinoza, O.F.M. Cap. † | Teneramundano | Bishop of Antwerpen {Antwerp, Anvers}, Belgium |
| 44.0 | Died | Giovanni Francesco Ferrari † | Bishop of Isola, Italy |
| Born | Joannes Bapt. Gentile, O.S.B. † | Ianuen | Bishop of Ajaccio, France |
| Born | Georgius Gyllany † | Liptovien | Bishop of Knin, Croatia |
| Born | Antonio Horcasitas Avellaneda † | Burgos | Bishop of Calahorra y La Calzada, Spain |
| Born | Francisco de la Cuesta, O.S.H. † | Colmenar de Toledo, Spain | Bishop of Michoacán, México |
| Born | Pedro Magaña, O.S.B. † | Alfaro | Bishop of Solsona, Spain |
| Born | Angel de Maldonado, O. Cist. † | Ocaña, Spain | Bishop of Antequera, Oaxaca, México |
| Born | Louis Milon † | Tours | Bishop of Condom, France |
| Died | Pedro de Ortega y Sotomayor † | Bishop of Cuzco, Peru |
| Appointed | Antonio Peña Hermosa † | Bishop of Málaga, Spain | Bishop of Jaén, Spain |
| Born | Richard Piers † | Ardferten | Bishop Emeritus of Waterford and Lismore, Ireland |
| Born | Gerolamo Ubertino Provana, C.R. † | Nizza Marittima | Bishop of Alba (Pompea), Italy |
| Died | Giovanni Alfonso Puccinelli, O.S.A. † | Archbishop of Manfredonia, Italy |
| Appointed | Simone Rau e Requesens † | Bishop of Patti, Italy |
| Appointed | Diego Riquelme y Quirós † | Bishop of Ciudad Rodrigo, Spain | Bishop Emeritus of Plasencia, Spain |
| 24.1 | Ordained Priest | Heinrich Hartard von Rollingen † | Priest of Speyer, Germany | Bishop |
| 58.0 | Died | Garcia Ruiz Cabeza † | Bishop of Cartagena, Colombia |
| Appointed | Stanisław Sarnowski † | Bishop of Przemyśl, Poland | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 51.0 | Resigned | Fabrizio Savelli † | Archbishop of Salerno, Italy | Cardinal, Archbishop Emeritus |
| Appointed | Manoel de Souza e Almada † | Prelate of São Sebastião do Rio de Janeiro, Brazil |
| Died | Enea di Cesare Spennazzi † | Bishop of Ferentino, Italy |
| 47.2 | Succeeded | Ludwik Stempkowski † | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| 28.0 | Ordained Priest | Claudius de Villagómez † | Priest | Titular Bishop of Traianopolis in Rhodope |
| 1 Jan | | Born | Baltazar Wilksycki † | Chleven | Auxiliary Bishop of Poznań, Poland |
| 9 Jan | 57.0 | Died | Ulrich Grappler von Trappenburg † | Auxiliary Bishop of Passau, Germany |
| 12 Jan | | Born | Francisco Ochoa Mendarozqueta y Arzamendi † | Mendarózqueta | Bishop of Palencia, Spain |
| 13 Jan | | Born | Francesco Arborio di Gattinara, B. † | Gravellone | Archbishop of Torino {Turin}, Italy |
| 14 Jan | 45.7 | 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 | 67.2 | Appointed | Juan Alonso de Cuevas y Davaols † | Bishop of Antequera, Oaxaca, México | Archbishop of México, Federal District |
| 28 Jan | | Born | Vincenzo Ferrero, O.P. † | Napoli | Bishop of Lucera, Italy |
| 67.1 | Appointed | Diego López de la Vega † | Bishop of Coria, Spain |
| 48.1 | Appointed | Peter Walenburch † | Auxiliary Bishop of Mainz, Germany | Auxiliary Bishop of Köln {Cologne}, Germany |
| 48.1 | Appointed | Peter Walenburch † | Titular Bishop of Missene (Mysia) | Auxiliary Bishop of Köln {Cologne}, Germany |
| 29 Jan | 51.1 | Appointed | Giacomo Capay y Castagner † | Bishop of Bosa, Italy |
| Feb | | Born | João de Sousa Carvalho † | Elboren | Bishop of Miranda (do Douro), Portugal |
| 4 Feb | 77.1 | 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 |
| 14 Feb | | Ordained Bishop | Adam Kos † | Bishop of Chelmno (Culma, Kulm), Poland |
| 18 Feb | | Born | Johann Franz von Schenk von Stauffenberg † | Lautlingen | Bishop of Konstanz {Constance}, Germany |
| 25 Feb | 49.1 | Appointed | Henricus Borghi, O.S.M. † | Bishop of Alife, Italy |
| 53.1 | 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 |
| 58.5 | Appointed | Antonio Paiño Sevilla † | Archbishop of Burgos, Spain | Archbishop of Sevilla {Seville}, Spain |
| Mar | | Born | Joannes Christophorus Battelli † | Sassocorvaro | Titular Archbishop of Amasea |
| 2 Mar | | Appointed | Andrzej Trzebicki † | Bishop of Kraków, Poland |
| 3 Mar | 53.1 | Ordained Bishop | Diego del Castillo y Arteaga † | Bishop of Badajoz, Spain |
| 4 Mar | | Born | François de Mailly † | Paris | Cardinal, Archbishop of Reims, France |
| 10 Mar | 49.2 | Ordained Bishop | Henricus Borghi, O.S.M. † | Bishop of Alife, Italy |
| 18 Mar | 34.2 | Appointed | Jerzy Baiłłozor † | Bishop of Smoleńsk, Poland | Bishop of Vilnius, Lithuania |
| Appointed | Pier Maria Bichi, O.S.B. † | Bishop of Todi, Italy | Bishop of Sovana (Soana), Italy |
| 48.5 | Appointed | Ottavio Acquaviva d’Aragona (Jr.) † | Cardinal, Cardinal-Priest of Santa Cecilia |
| Appointed | Mikolaj Oborski † | Auxiliary Bishop of Kraków, Poland |
| Appointed | Mikolaj Oborski † | Titular Bishop of Laodicea in Syria | Auxiliary Bishop of Kraków, Poland |
| 27 Mar | 24.2 | Ordained Priest | Angelus Veniero (Venerius) † | Priest | Bishop of Tinos, Greece |
| 28 Mar | 67.2 | Died | Marcantonio Bragadin † | Cardinal, Bishop Emeritus of Vicenza, Italy |
| 31 Mar | | Born | Giuseppe Migliaccio † | Montemaggiore | Archbishop of Messina, Italy |
| Apr | | Born | Giorgio Parchich † | Sebenicen | Bishop of Nona (Nin), Croatia |
| 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 |
| 55.3 | Appointed | Tomasz Leżeński † | Bishop of Chełm, Poland | Bishop of Lutsk (Łuck), Ukraine |
| 41.3 | Appointed | Gianlucido Palombara † | Bishop of Pesaro, Italy |
| Appointed | Giovanni de Torres † | Archbishop of Salerno, Italy |
| 72.6 | Appointed | Pedro Urbina Montoya, O.F.M. † | Archbishop of Sevilla {Seville}, Spain |
| 41.3 | Appointed | Cristoforo Vidman † | Cardinal, Cardinal-Priest of San Marco |
| 6 Apr | 26.7 | Ordained Priest | Giovan Battista Antici † | Priest | Bishop of Amelia, Italy |
| 26.3 | Ordained Priest | Francesco Scannagatta † | Priest | Bishop of Avellino e Frigento, Italy |
| 25.3 | Ordained Priest | Nikola Spanic † | Priest | Bishop of Korčula (Curzola, Cursola), Croatia |
| 7 Apr | 54.0 | Ordained Bishop | Cesare Cancellotti, C.O. † | Bishop of Bisceglie, Italy | Bishop of Montalto (delle Marche), Italy |
| 41.3 | Ordained Bishop | Gianlucido Palombara † | Bishop of Pesaro, Italy |
| 11 Apr | 34.9 | Appointed | Bl. François de Laval de Montmorency † | Vicar Apostolic of New France (Nouvelle-France), Canada | Bishop Emeritus of Québec, Canada |
| 34.9 | Appointed | Bl. François 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. † | Saldón, Spain | Bishop of Ugento, Italy |
| 15 Apr | 50.3 | Died | Andrzej Leszczyński † | Archbishop of Gniezno, Poland |
| 16 Apr | 62.0 | Appointed | Martín López de Ontiveros † | Archbishop of Valencia, Spain |
| Born | Francesco Trevisani † | Venezia | Bishop of Verona, Italy |
| 20 Apr | | Born | Donato Anzani † | Ariano | Bishop of Marsico Nuovo, Italy |
| 23 Apr | | Born | Luigi Ruzzini † | Venice | Bishop of Bergamo, Italy |
| 28 Apr | 23.0 | Ordained Priest | Ludovico Masdoni † | Priest | Bishop of Modena, Italy |
| 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 † | Venice | Cardinal, Bishop of Padova {Padua}, Italy |
| 58.6 | Elevated to Cardinal | Girolamo Farnese † | Cardinal, Cardinal-Priest of Sant’Agnese fuori le mura |
| 45.4 | Elevated to Cardinal | Giacomo Franzoni † | In Pectore | Cardinal, Bishop Emeritus of Camerino, Italy |
| 50.4 | Elevated to Cardinal | Francesco Maria Sforza Pallavicino † | Cardinal, Cardinal-Deacon of San Salvatore in Lauro |
| 58.3 | 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 † | Pesaro, Italy | Cardinal, Cardinal-Deacon of Santi Vito, Modesto e Crescenzia |
| 1 May | 66.3 | 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 |
| 58.3 | 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 |
| Appointed | Diego de Tejada y la Guardia † | Bishop of Pamplona, Spain | Archbishop of Burgos, Spain |
| 9 May | | Born | Franz Arnold von Wolf-Metternich zur Gracht † | Köln | Bishop of Paderborn, Germany |
| 12 May | | Ordained Bishop | Hercule Berzet † | Bishop of Saint-Jean-de-Maurienne, France |
| 26 May | | Born | Giovanni Ghirardi † | Cervinara | Bishop of Montemarano, Italy |
| 27 May | 59.6 | Appointed | François de Villemontée † | Bishop of Saint-Malo, France |
| 28 May | 75.4 | Appointed | Nicolò Guidi di Bagno † | Archbishop (Personal Title) of Senigallia, Italy | Cardinal, Bishop Emeritus |
| Jun | | Born | Franciszek Józef Kraszkowski † | Mierzycen | Auxiliary Bishop of Gniezno, Poland |
| 2 Jun | | Born | Pier Marcellino Corradini † | Sezze, Italy | Cardinal, Bishop of Frascati, Italy |
| 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 † | Tigné | 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. † | Termini | Bishop of Lipari, Italy |
| 11 Jun | 39.4 | Selected | Dominique de Ligni † | Coadjutor Bishop of Meaux, France | Bishop |
| 15 Jun | 28.5 | Ordained Priest | Estevão Brioso de Figueiredo † | Priest | Bishop of Funchal, Portugal |
| 24.5 | 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 |
| 19 Jun | | Born | Lamberto Manuel López † | Zaragoza | Bishop of Teruel, Spain |
| 21 Jun | | Died | Henri de Salettes † | Bishop of Lescar, France |
| 24 Jun | 74.9 | Died | Diego Martínez Zarzosa † | Bishop of Málaga, Spain |
| 26 Jun | | Born | Marco Giacinto Gandolfo † | Genova | Bishop of Noli, Italy |
| 30 Jun | | Selected | Charles-Louis de Lorraine † | Bishop of Condom, France |