| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Born | Azon Ariosti † | Bologne | Archbishop of Avignon, France |
| 23.2 | Selected | Ferdinand von Bayern † | Coadjutor Bishop of Liège, Belgium | Archbishop-Elect of Köln {Cologne}, Germany |
| Born | Paolo Benzoni, C.R.L. † | | Bishop of Sora, Italy |
| Born | Andrea Borgia † | Praenestin | Bishop of Segni, Italy |
| Born | Joannes Branecki † | Gnesnen | Titular Bishop of Aenus |
| Born | Ippolito Campioni, O.S.B. † | Senen | Bishop of Chiusi, Italy |
| Born | Boudewijn Cats (Catzius) † | Gorinchem | Vicar Apostolic of Batavia (Holland Mission), Netherlands |
| Born | Antonio Maria Camalda † | Belvedere | Bishop of Strongoli, Italy |
| Died | Sulpizio Costantino † | Bishop of Nocera de’ Pagani, Italy |
| Born | Carlo de Angelis † | Napoli | Bishop of Acerra, Italy |
| Born | Alphonse d’Elbène † | | Bishop of Orléans, France |
| Died | Juan d’Espinar † | Prelate of Santa Lucia del Mela, Italy |
| Died | Domingo de Ulloa, O.P. † | Bishop of Michoacán, México |
| Born | Fabio dos Reis Fernandes, O. Carm. † | Campo Grande, Portugal | Bishop of Santiago de Cabo Verde |
| Died | Michael Fitzwalter † | Auxiliary Bishop of Sevilla {Seville}, Spain |
| Appointed | Lucio Fornari † | Bishop of Oria, Italy |
| Born | Ulrich Grappler von Trappenburg † | Wien | Auxiliary Bishop of Passau, Germany |
| 25.9 | Appointed | Louis III de Guise de Lorraine † | Coadjutor Archbishop of Reims, France | Cardinal, Archbishop-Elect |
| Born | Rodrigo Gutiérrez de Rozas † | Madrid | Bishop of Islas Canarias {Canary Islands}, Spain |
| Ordained Bishop | Juan de La Roca † | Bishop of Popayán, Colombia |
| Died | Guillaume Le Blanc † | Bishop of Grasse, France |
| Died | Marcellus de Lorenzi † | Bishop of Strongoli, Italy |
| Died | Ludovico Martelli † | Bishop of Chiusi, Italy |
| Born | Bl. Terence Albert O’Brien, O.P. † | Cappamore | Bishop of Emly, Ireland |
| Born | Gabriel Ortiz de Orvé † | Mendieta Burgen | Bishop of Gaeta, Italy |
| Born | Frutos Bernardo Patón de Ayala † | Espina | Bishop of Sigüenza, Spain |
| Born | Giovanni Tommaso Perrone † | Rossano | Bishop of Nicastro, Italy |
| Born | Wojciech Pilchowicz † | Frauenberg | Auxiliary Bishop of Warmia (Ermland), Poland |
| Born | Raffaele Pizzorno, O.M. † | | Bishop of Sagone (Sagona), France |
| Born | Octavius Poderico † | Napoli | Bishop of Umbriatico (Umbriaticum), Italy |
| Appointed | Maciej Pstrokoński † | Bishop of Przemyśl, Poland | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| Died | João Ribeiro Gaio † | Bishop of Malacca, Singapore |
| Died | Annibal de Ruccellai † | Bishop of Carcassonne, France |
| Died | Achille Sergardi † | Bishop of Massa Marittima, Italy |
| Died | Tommaso Sirleto † | Bishop of Squillace, Italy |
| Died | Gianfrancesco Sormani † | Bishop of Montefeltro, Italy |
| 49.9 | Appointed | Štefan Szuhay † | Apostolic Administrator of Esztergom, Hungary | Archbishop of Kalocsa, Hungary |
| Born | Mario Theodoli † | Rome | Cardinal, Bishop Emeritus of Imola, Italy |
| Born | José Valle de la Cerda, O.S.B. † | Valladolid | Bishop of Badajoz, Spain |
| Born | Bartolomeo Vannini † | Roma | Bishop of Nepi e Sutri, Italy |
| Born | Pietro de Vico † | Sassari | Archbishop of Cagliari, Italy |
| Jan | | Ordained Bishop | François de La Valette Cornusson † | Bishop of Vabres, France |
| 1 Jan | 53.0 | Ordained Bishop | Mateo Burgos Moraleja, O.F.M. † | Bishop of Pamplona, Spain | Bishop of Sigüenza, Spain |
| 2 Jan | 46.0 | Selected | Johann Georg von Hallwyl † | Bishop of Konstanz {Constance}, Germany |
| Born | Stefano Siri † | Sagona | Bishop of Sagone (Sagona), France |
| 3 Jan | | Died | Alberto Drago, O.P. † | Bishop of Termoli, Italy |
| 10 Jan | 67.0 | Died | Alessandro de Franceschi, O.P. † | Bishop Emeritus of Forli, Italy |
| 20 Jan | | Died | Thomas Strong † | Auxiliary Bishop of Santiago de Compostela, Spain |
| 24 Jan | 46.9 | Appointed | Honoré du Laurens † | Archbishop of Embrun, France |
| Appointed | Geronimo de Gouvea, O.F.M. † | Bishop of Ceuta, Spain | Bishop Emeritus |
| Appointed | Geronimo de Gouvea, O.F.M. † | Bishop of Tanger, Morocco | Bishop Emeritus of Ceuta, Spain |
| Appointed | Ludovico de Grigis, O.F.M. † | Bishop of Caorle, Italy |
| 25 Jan | 44.1 | Ordained Bishop | Francisco Rodríguez, S.J. † | Archbishop of Cranganore (Angamala), India |
| 28 Jan | | Ordained Bishop | Jerónimo Bernardo de Quirós, O. Praem. † | Bishop of Castellammare di Stabia, Italy | Bishop of Pozzuoli, Italy |
| 29 Jan | | Died | Pedro Jaime † | Bishop of Albarracin, Spain |
| 7 Feb | | Appointed | Christoph Andreas von Spaur † | Bishop of Brixen {Bressanone}, Italy |
| 12 Feb | | Appointed | Pedro Manrique, O.S.A. † | Bishop of Tortosa, Spain | Archbishop of Zaragoza, Spain |
| Appointed | Jacobus Rusconi † | Bishop of Nebbio, France |
| Confirmed | García de Santa María Mendoza y Zúñiga, O.S.H. † | Archbishop of México, Federal District |
| 15 Feb | | Appointed | Jerónimo Bernardo de Quirós, O. Praem. † | Bishop of Castellammare di Stabia, Italy | Bishop of Pozzuoli, Italy |
| 19 Feb | 36.1 | Appointed | Jerzy Zamoyski † | Bishop of Chełm, Poland |
| 24 Feb | 47.0 | Ordained Bishop | Honoré du Laurens † | Archbishop of Embrun, France |
| 26 Feb | 30.2 | Appointed | Bonifazio Bevilacqua Aldobrandini † | Cardinal-Priest of San Girolamo dei Croati | Cardinal, Cardinal-Bishop of Frascati |
| Died | Horace René de Birague † | Bishop of Lavaur, France |
| 54.8 | Installed | Bernardo Sandoval Rojas † | Cardinal-Priest of Sant’Anastasia | Cardinal, Archbishop of Toledo, Spain |
| 4 Mar | | Died | Gentile Dolfino † | Bishop of Camerino, Italy |
| 10 Mar | | Died | Massimiliano Beniamino, O.F.M. Conv. † | Bishop of Chioggia, Italy |
| 11 Mar | | Died | Vincenzo Bonardo, O.P. † | Bishop of Gerace, Italy |
| 13 Mar | | Born | Sigismund Miutini von Spilenberg † | Cividale | Auxiliary Bishop of Olomouc (Olmütz), Czech Republic |
| 14 Mar | | Appointed | Jacques Blaes, O.F.M. † | Bishop of Saint-Omer, France |
| 17 Mar | 41.2 | Died | Lorenz Eiszepf † | Auxiliary Bishop of Eichstätt, Germany |
| 19 Mar | | Appointed | Wawrzyniec Goślicki † | Bishop of Poznań, Poland |
| 1 Apr | 41.7 | Ordained Bishop | Wawrzyniec Gembicki † | Bishop of Chelmno (Culma, Kulm), Poland | Archbishop of Gniezno, Poland |
| 54.3 | Ordained Bishop | Orazio Spínola † | Cardinal, Archbishop of Genova, Italy |
| 4 Apr | | Appointed | Gaspare Paluzzi degli Albertoni † | Bishop of Sant’Angelo dei Lombardi e Bisaccia, Italy |
| 5 Apr | 63.3 | Died | Wolfgang Kämmerer von Dalberg † | Archbishop of Mainz, Germany |
| 9 Apr | 50.3 | Appointed | Guillaume de Berghes † | Archbishop of Cambrai, France |
| 51.3 | Appointed | Johann Flugi d&rqsuo;Apremont † | Bishop of Chur, Switzerland | Bishop Emeritus |
| 12 Apr | | Died | Girolamo Bentivoglio † | Bishop of Corneto (Tarquinia) e Montefiascone, Italy |
| 30 Apr | 46.3 | Appointed | Juan Bautista Acevedo Muñoz † | Bishop of Valladolid, Spain | Bishop Emeritus |
| Appointed | Sebastiano Ghislieri † | Bishop of Strongoli, Italy |
| 60.3 | Appointed | Fernando Niño de Guevara † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| Appointed | Bonaventura Secusio, O.F.M. † | Bishop of Patti, Italy | Bishop of Catania, Italy |
| 43.3 | Appointed | Paolo Tolosa, C.R. † | Bishop of Bovino, Italy | Archbishop of Chieti, Italy |
| 6 May | | Died | Properzio Resta, O.F.M. Conv. † | Bishop of Cariati e Cerenzia, Italy |
| 11 May | | Appointed | Fabio Aresti † | Bishop of Lucera, Italy |
| 50.4 | Appointed | Francisco Terrones del Caño † | Bishop of Tui, Spain | Bishop of León, Spain |
| 13 May | | Ordained Bishop | Sebastiano Ghislieri † | Bishop of Strongoli, Italy |
| 43.4 | Ordained Bishop | Paolo Tolosa, C.R. † | Bishop of Bovino, Italy | Archbishop of Chieti, Italy |
| 55.4 | Appointed | Jerónimo Xavierre, O.P. † | Master General of Order of Friars Preachers | Cardinal, Priest |
| Appointed | Antonio Zara † | Bishop of Pedena, Austria |
| 14 May | 35.4 | Appointed | Innocenzo Del Bufalo-Cancellieri † | Bishop of Camerino, Italy | Cardinal, Bishop Emeritus |
| 47.4 | Appointed | Paolo Emilio Zacchia † | Cardinal, Bishop of Corneto (Tarquinia) e Montefiascone, Italy |
| 15 May | 37.0 | Selected | Johann Adam von Bicken † | Archbishop of Mainz, Germany | Archbishop-Elect |
| 62.7 | Died | Claude d’Angennes de Rambouillet † | Bishop of Le Mans, France |
| 18 May | | Died | Pietro Ridolfi, O.F.M. Conv. † | Bishop of Senigallia, Italy |
| 20 May | | Ordained Bishop | Fabio Aresti † | Bishop of Lucera, Italy |
| 35.4 | Ordained Bishop | Innocenzo Del Bufalo-Cancellieri † | Bishop of Camerino, Italy | Cardinal, Bishop Emeritus |
| 27 May | 47.4 | Ordained Bishop | Paolo Emilio Zacchia † | Cardinal, Bishop of Corneto (Tarquinia) e Montefiascone, Italy |
| 28 May | | Appointed | Jean Raymond † | Bishop of Saint-Papoul, France |
| Appointed | Giovanni Battista Toschi † | Bishop of Narni, Italy | Bishop of Rieti, Italy |
| 31 May | 53.6 | Died | Gebhard Truchseß von Waldburg † | Former Archbishop-Elect of Köln {Cologne}, Germany |
| 3 Jun | | Died | Peter von Rascher † | Bishop of Chur, Switzerland |
| 4 Jun | | Appointed | Lorenzo Prezzato † | Bishop of Chioggia, Italy |
| 12 Jun | | Ordained Bishop | Lorenzo Prezzato † | Bishop of Chioggia, Italy |
| 17 Jun | 46.5 | Ordained Bishop | Juan Bautista Acevedo Muñoz † | Bishop of Valladolid, Spain | Bishop Emeritus |
| 18 Jun | 46.5 | Confirmed | Johann Georg von Hallwyl † | Bishop of Konstanz {Constance}, Germany |
| Born | Dietrich Adolf von der Reck † | Kurl | Bishop of Paderborn, Germany |
| 7 Jul | | Born | Otto (Johann Theodor) von Senheim, O.P. † | Koblenz | Auxiliary Bishop of Trier, Germany |
| 8 Jul | 47.5 | Appointed | Peter Lombard † | Archbishop of Armagh, Ireland |
| 22 Jul | 51.6 | Ordained Bishop | Johann Flugi d&rqsuo;Apremont † | Bishop of Chur, Switzerland | Bishop Emeritus |
| 25 Jul | 50.6 | Ordained Bishop | Francisco Terrones del Caño † | Bishop of Tui, Spain | Bishop of León, Spain |
| 13 Aug | | Appointed | Paolo Isaresi della Mirandola, O.P. † | Bishop of Squillace, Italy |
| 51.4 | Appointed | Andrés Pacheco † | Bishop of Cuenca, Spain | Bishop Emeritus |
| 15 Aug | 72.6 | Died | Diego Gómez de Lamadrid, O.SS.T. † | Bishop of Badajoz, Spain |
| Ordained Bishop | García de Santa María Mendoza y Zúñiga, O.S.H. † | Archbishop of México, Federal District |
| 23 Aug | 66.9 | Died | Francisco Reinoso Baeza † | Bishop of Córdoba, Spain |
| 27 Aug | 45.8 | Appointed | Maximiliano de Austria † | Bishop of Segovia, Spain | Archbishop of Santiago de Compostela, Spain |
| 37.3 | Confirmed | Johann Adam von Bicken † | Archbishop of Mainz, Germany | Archbishop-Elect |
| 41.7 | Appointed | Domingo (Pedro) de Oña, O. de M. † | Bishop of Coro, Venezuela | Bishop of Gaeta, Italy |
| 9 Sep | | Ordained Bishop | Paolo Isaresi della Mirandola, O.P. † | Bishop of Squillace, Italy |
| 10 Sep | 30.7 | Appointed | Bonifazio Bevilacqua Aldobrandini † | Bishop of Cervia, Italy | Cardinal, Cardinal-Bishop of Frascati |
| Selected | Baltazar de Covarrubias y Múñoz, O.S.A. † | Bishop of Paraguay | Bishop of Michoacán, México |
| Appointed | Jean du Ploich † | Bishop of Arras, France |
| 53.7 | Appointed | Johann Nopel (Jr.) † | Auxiliary Bishop of Köln {Cologne}, Germany |
| 53.7 | Appointed | Johann Nopel (Jr.) † | Titular Bishop of Cyrene | Auxiliary Bishop of Köln {Cologne}, Germany |
| Appointed | Siméon-Étienne de Popian † | Bishop of Cahors, France |
| Appointed | Petrus Salinates, O.F.M. † | Bishop of Sardica (Sredek, Sofia), Bulgaria |
| 49.7 | Appointed | Alfonso Visconti, C.O. † | Cardinal, Bishop of Spoleto, Italy |
| 23 Sep | | Ordained Bishop | Jan von Sitsch † | Bishop of Wrocław (Breslau), Poland |
| 7 Oct | | Died | Miguel Espinosa † | Auxiliary Bishop of Valencia, Spain |
| 47.8 | Ordained Bishop | Peter Lombard † | Archbishop of Armagh, Ireland |
| 18 Oct | | Born | Johann Melchior Söllner † | Neustadt/Saale | Auxiliary Bishop of Würzburg, Germany |
| Nov | | Born | Diego de Humanzoro, O.F.M. † | Azcoitia, Spain | Bishop of Santiago de Chile |
| 11 Nov | | Died | Juan de Castro, O.S.B. † | Archbishop of Taranto, Italy |
| 16 Nov | | Died | János Kutasy † | Archbishop of Esztergom, Hungary |
| 19 Nov | | Appointed | Pietro Cartolari † | Bishop of Montefeltro, Italy |
| Appointed | Martín Ignacio de Loyola † | Bishop of Paraguay |
| Appointed | Melchior de Marconnay † | Bishop of Saint-Brieuc, France |
| Appointed | Orazio Mattei † | Bishop of Gerace, Italy |
| 26 Nov | | Appointed | Robertus Bartholot, O. Carm. † | Auxiliary Bishop of Lyon, France |
| Appointed | Robertus Bartholot, O. Carm. † | Titular Bishop of Damascus | Auxiliary Bishop of Lyon, France |
| Appointed | Antaldus degli Antaldi † | Bishop of Senigallia, Italy |
| 3 Dec | 52.9 | Appointed | François Buisseret † | Bishop of Namur {Namen}, Belgium | Archbishop of Cambrai, France |
| Appointed | Benedetto Rossi, C.R. † | Bishop of Mottola (Motula), Italy |
| 8 Dec | | Ordained Bishop | Orazio Mattei † | Bishop of Gerace, Italy |
| 54.9 | Ordained Bishop | Louis de Vervins, O.P. † | Archbishop of Narbonne, France |
| 9 Dec | 41.9 | Ordained Bishop | Domingo (Pedro) de Oña, O. de M. † | Bishop of Coro, Venezuela | Bishop of Gaeta, Italy |
| 16 Dec | 47.8 | Installed | Honoré du Laurens † | Archbishop of Embrun, France |
| 22 Dec | 26.4 | Ordained Priest | Johann Gottfried von Aschhausen † | Priest of Bamberg, Germany | Bishop |
| 30 Dec | 51.0 | Installed | Guillaume de Berghes † | Archbishop of Cambrai, France |
| 31 Dec | | Died | Juan García † | Bishop of Almería, Spain |