| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Appointed | Martim Afonso de Melo † | Bishop of Lamego, Portugal |
| Born | Juan Aguirre y Gorozpe † | Tecamachalco | Bishop of Durango, México |
| Born | Bernardo Atayde de Lima Perera † | Lisboa | Bishop of Avila, Spain |
| Died | Gérard Bellenger † | Bishop of Fréjus, France |
| Appointed | Albert de Belličvre † | Archbishop of Lyon, France | Archbishop Emeritus |
| Born | Pietro Maria Borghese † | Siena, Italy | Cardinal, Cardinal-Deacon of San Crisogono |
| Died | Giovanni Leonardo Bottiglieri † | Bishop of Lettere (-Gragnano), Italy |
| Died | Lelio Brancaccio † | Archbishop of Taranto, Italy |
| Died | Giulio Caracciolo † | Bishop of Cassano all’Jonio, Italy |
| Born | Giuseppe Caro † | Bisinianen | Bishop of Ruvo (Ruo)(di Puglia), Italy |
| Born | Filippo Casoni † | Sarzana | Bishop of Borgo San Donnino, Italy |
| 32.0 | Ordained Priest | Diego Correia Valente, S.J. † | Priest of Society of Jesus | Bishop of Funay (Funai), Japan |
| Born | Pedro de Reina Maldonado † | Lima, Peru | Bishop-Elect of Santiago de Cuba |
| Born | Pietro Paolo de’ Rustici, O.S.B. † | Napoli | Bishop of Isernia, Italy |
| 55.8 | Resigned | Pierre de Villars (II) † | Archbishop of Vienne, France | Archbishop Emeritus |
| Appointed | Jérôme de Villars † | Archbishop of Vienne, France |
| Born | Lorenzo Encinaz, O. Carm. † | Toletan | Bishop of Ugento, Italy |
| 52.8 | Resigned | Anne d’Escars de Givry (de Pérusse), O.S.B. † | Bishop of Lisieux, France | Cardinal, Bishop of Metz, France |
| Born | Francesco de Estrada † | Montiglia | Archbishop of Brindisi, Italy |
| Born | Francesco Falabella † | Lagoni Policastro | Archbishop of Santa Severina, Italy |
| 65.0 | Resigned | Alessandro de Franceschi, O.P. † | Bishop of Forli, Italy | Bishop Emeritus |
| Born | Guglielmo Gaddi † | Fori Livii | Bishop of Bisceglie, Italy |
| 32.0 | Ordained Priest | Baccio Gherardini † | Priest | Bishop of Fiesole, Italy |
| 54.0 | Resigned | Juan Pedro González de Mendoza, O.S.A. † | Bishop of Lipari, Italy | Bishop of Popayán, Colombia |
| Born | Franciszek Dołmat Isajkowski † | | Bishop of Smoleńsk, Poland |
| Appointed | Juan de La Roca † | Bishop of Popayán, Colombia |
| Born | Cristóbal Pérez Lazarraga y Maneli Viana, O. Cist. † | Madrid, Spain | Bishop of Cartagena, Colombia |
| Died | Giovanni Battista Lomellino † | Bishop of Isernia, Italy |
| Died | Nicolň Mascardi † | Bishop of Accia and Mariana, France |
| Born | Girolamo Melzi † | Mediolanen | Bishop of Pavia, Italy |
| Died | Giacomo Micheli † | Bishop of Mottola (Motula), Italy |
| Resigned | Tadeo O’Farrell (MacEoga), O.P. † | Auxiliary Bishop of Sigüenza, Spain | Bishop Emeritus of Clonfert, Ireland |
| Born | Amico Panici † | Maceratae | Bishop of Recanati e Loreto, Italy |
| Died | Stanislav Pavlovský † | Bishop of Olomouc (Olmütz), Czech Republic |
| Died | Francesco Maria Piccolomini † | Bishop of Montalcino, Italy |
| Resigned | Basile Pignatelli, C.R. † | Bishop of L’Aquila, Italy | Bishop Emeritus |
| Born | Francisco Roger, O.P. † | Barcelona | Bishop of Solsona, Spain |
| Ordained Priest | Philippus Rovenius † | Priest | Vicar Apostolic of Batavia (Holland Mission), Netherlands |
| 55.0 | Died | Francesco Scotti † | Bishop of Termoli, Italy |
| Born | Johannes Thuanus † | Grosotto | Bishop of Wiener Neustadt, Austria |
| Born | Girolamo Verospi † | Rome | Cardinal, Bishop of Osimo, Italy |
| Died | Claudio Vico † | Bishop of Strongoli, Italy |
| Resigned | Marcantonio Visia (Vitia) † | Bishop of Vercelli, Italy | Bishop Emeritus |
| Died | Józef Wereszczyński † | Bishop of Kyiv (Kijów), Ukraine |
| 24.0 | Ordained Priest | August Wiederin von Ottersbach † | Priest | Prefect of Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany |
| Died | Giovanni Francesco Zagordo † | Bishop of Belcastro, Italy |
| Born | Francisco de Zapata y Mendoza † | Madrid | Bishop of Coria, Spain |
| 8 Jan | 51.0 | Appointed | Francisco de Ávila † | Cardinal, Cardinal-Priest of Santa Croce in Gerusalemme |
| 58.0 | Appointed | Fernando Nińo de Guevara † | Cardinal-Priest of Santi Silvestro e Martino ai Monti | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 9 Jan | 58.7 | Died | Pierre d’Espinac † | Archbishop of Lyon, France |
| 10 Jan | | Ordained Bishop | Camillo Beccio, O.S.A. † | Bishop of Acqui, Italy |
| 13 Jan | | Born | François de Lorraine-Chaligny † | Fougčres | Former Bishop-Elect of Verdun, France |
| Appointed | Leonardo Mocenigo † | Bishop of Ceneda, Italy |
| 17 Jan | | Died | Antoine Hébrard de Saint-Sulpice † | Bishop of Cahors, France |
| 20 Jan | 19.1 | Professed | Luis de Cańizares, O.M. † | Member of Order of the Minims | Bishop of Comayagua, Honduras |
| 21 Jan | 49.9 | Died | Anton von Schaumberg † | Bishop-Elect of Minden, Germany |
| 22 Jan | 48.5 | Died | Silvio Savelli † | Cardinal, Cardinal-Priest of Santa Maria in Via |
| 24 Jan | 24.1 | Ordained Priest | Denis Stoffels (Christophori) † | Priest | Bishop of Brugge {Bruges}, Belgium |
| 1 Feb | 41.1 | Appointed | Joăo de Bragança † | Bishop of Viseu, Portugal |
| 58.1 | Appointed | Feliciano Figueroa † | Bishop of Segorbe, Spain |
| Appointed | Diego González Samaniego † | Bishop of Mondońedo, Spain |
| Appointed | Vittorino Mansi, O.S.B. † | Bishop of Castellammare di Stabia, Italy | Bishop of Ariano, Italy |
| 60.1 | Appointed | Lorenzo Asensio Otaduy Avendańo † | Bishop of Avila, Spain |
| 51.1 | Appointed | Jorge Queimada, O.S.A. † | Auxiliary Bishop of Braga, Portugal |
| 51.1 | Appointed | Jorge Queimada, O.S.A. † | Titular Bishop of Fez | Auxiliary Bishop of Braga, Portugal |
| 46.1 | Appointed | Onofre Reart † | Bishop of Elne, France | Bishop Emeritus of Gerona, Spain |
| Appointed | Francisco Velarde de la Cuenca † | Archbishop of Messina, Italy |
| 4 Feb | 43.7 | Selected | Johann Philipp von Gebsattel † | Bishop of Bamberg, Germany | Bishop-Elect |
| 7 Feb | | Ordained Bishop | Vittorino Mansi, O.S.B. † | Bishop of Castellammare di Stabia, Italy | Bishop of Ariano, Italy |
| 13 Feb | | Born | Fabio Chigi † | Siena | Pope (Roma {Rome}, Italy) |
| 14 Feb | | Ordained Bishop | Francisco Velarde de la Cuenca † | Archbishop of Messina, Italy |
| 15 Feb | | Died | Claude-André d’Ormy † | Bishop of Boulogne (-Sur-Mer), France |
| 17 Feb | 58.1 | Appointed | Pedro Castro Nero † | Bishop of Lugo, Spain | Archbishop of Valencia, Spain |
| Appointed | Tommaso Monti, C.R. † | Bishop of Crotone (Cotrone), Italy |
| Appointed | Toma Ursini, O.F.M. † | Archbishop of Bar (Antivari), Montenegro |
| 22 Feb | 65.1 | Died | Garcia de Loaysa Giron † | Archbishop of Toledo, Spain |
| 3 Mar | 58.2 | Elevated to Cardinal | Silvio Antoniano † | Cardinal, Cardinal-Priest of San Salvatore in Lauro |
| 56.4 | Elevated to Cardinal | St. Roberto Francesco Romolo Bellarmino, S.J. † | Cardinal, Archbishop Emeritus of Capua, Italy |
| 28.2 | Elevated to Cardinal | Bonifazio Bevilacqua Aldobrandini † | Cardinal, Cardinal-Bishop of Frascati |
| 47.7 | Elevated to Cardinal | Bonviso Bonvisi † | Cardinal, Archbishop of Bari (-Canosa), Italy |
| 30.8 | Elevated to Cardinal | Alessandro d’Este † | Cardinal, Bishop of Reggio Emilia, Italy |
| 19.0 | Elevated to Cardinal | Giovanni Battista Deti † | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 28.5 | Elevated to Cardinal | Franz Seraph von Dietrichstein † | Cardinal, Archbishop of Olomouc (Olmütz), Czech Republic |
| 61.6 | Elevated to Cardinal | Arnaud d’Ossat † | Cardinal, Bishop of Bayeux, France |
| 24.4 | Elevated to Cardinal | François d’Escoubleau de Sourdis † | Cardinal, Archbishop of Bordeaux, France |
| 52.9 | Elevated to Cardinal | Bernardo Sandoval Rojas † | Cardinal, Archbishop of Toledo, Spain |
| 63.7 | Elevated to Cardinal | Domenico Toschi † | Cardinal, Bishop Emeritus of Tivoli, Italy |
| 47.2 | Elevated to Cardinal | Alfonso Visconti, C.O. † | Cardinal, Bishop of Spoleto, Italy |
| 45.2 | Elevated to Cardinal | Paolo Emilio Zacchia † | Cardinal, Bishop of Corneto (Tarquinia) e Montefiascone, Italy |
| 7 Mar | 47.2 | Installed | Alfonso Visconti, C.O. † | Cardinal-Priest of San Giovanni a Porta Latina | Cardinal, Bishop of Spoleto, Italy |
| 10 Mar | 46.5 | Appointed | Camillo Borghese † | Cardinal-Priest of Santi Giovanni e Paolo | Pope (Roma {Rome}, Italy) |
| Ordained Bishop | Paul Hurault de l’Hospital † | Archbishop of Aix, France |
| Appointed | Raymundus de Rouchon † | Bishop of Saint-Flour, France |
| Appointed | Bonaventura Secusio, O.F.M. † | Titular Patriarch of Constantinople | Bishop of Catania, Italy |
| 14 Mar | 59.2 | Ordained Bishop | Jean du Bec (-Crespin) † | Bishop of Saint-Malo, France |
| 17 Mar | 58.2 | Installed | Silvio Antoniano † | Cardinal, Cardinal-Priest of San Salvatore in Lauro |
| 56.5 | Installed | St. Roberto Francesco Romolo Bellarmino, S.J. † | Cardinal-Priest of Santa Maria in Via | Cardinal, Archbishop Emeritus of Capua, Italy |
| 28.2 | Installed | Bonifazio Bevilacqua Aldobrandini † | Cardinal-Priest of Sant’Anastasia | Cardinal, Cardinal-Bishop of Frascati |
| 47.7 | Installed | Bonviso Bonvisi † | Cardinal-Deacon of Santi Vito, Modesto e Crescenzia | Cardinal, Archbishop of Bari (-Canosa), Italy |
| 39.2 | Appointed | Bertrand d’Eschaux (de Chaux) † | Bishop of Bayonne, France | Archbishop of Tours, France |
| 19.1 | Installed | Giovanni Battista Deti † | Cardinal-Deacon of Sant’Adriano al Foro | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 28.6 | Appointed | Franz Seraph von Dietrichstein † | Cardinal-Priest of San Silvestro in Capite | Cardinal, Archbishop of Olomouc (Olmütz), Czech Republic |
| 61.7 | Installed | Arnaud d’Ossat † | Cardinal-Priest of Sant’Eusebio | Cardinal, Bishop of Bayeux, France |
| 44.8 | Appointed | Benedetto Giustiniani † | Cardinal-Priest of Santa Prisca | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| Appointed | François Rouxel de Médavy † | Bishop of Lisieux, France |
| 63.8 | Installed | Domenico Toschi † | Cardinal-Priest of San Pietro in Montorio | Cardinal, Bishop Emeritus of Tivoli, Italy |
| 45.2 | Installed | Paolo Emilio Zacchia † | Cardinal-Priest of San Marcello | Cardinal, Bishop of Corneto (Tarquinia) e Montefiascone, Italy |
| 27 Mar | 24.1 | Ordained Priest | Giovanni Tommaso Eustachio, C.O. † | Priest of Confederation of Oratorians of St. Philip Neri | Bishop Emeritus of Larino, Italy |
| 29 Mar | | Appointed | Giuseppe de Rossi † | Bishop of L’Aquila, Italy | Archbishop of Acerenza e Matera, Italy |
| 30.4 | Appointed | Juan Esteban (Giovanni Stefano) Ferrero, O. Cist. † | Bishop of Vercelli, Italy |
| Apr | | Resigned | Ottavio Abbiosi † | Bishop of Pistoia, Italy | Bishop Emeritus |
| 19 Apr | 29.2 | Confirmed | Heinrich von Knöringen † | Bishop of Augsburg, Germany |
| Appointed | Fulvio Passerini † | Bishop of Pistoia, Italy |
| 53.0 | Appointed | Bernardo Sandoval Rojas † | Cardinal, Archbishop of Toledo, Spain |
| 24 Apr | | Died | Diego Aponte Quińones, O.S. † | Bishop of Málaga, Spain |
| May | 29.2 | Ordained Priest | Heinrich von Knöringen † | Priest of Augsburg, Germany | Bishop |
| 1 May | 30.5 | Ordained Bishop | Juan Esteban (Giovanni Stefano) Ferrero, O. Cist. † | Bishop of Vercelli, Italy |
| 74.3 | Died | Johann von Schönenberg † | Archbishop of Trier, Germany |
| 2 May | 58.3 | Ordained Bishop | Feliciano Figueroa † | Bishop of Segorbe, Spain |
| 5 May | | Selected | Paul Albert † | Bishop of Wrocław (Breslau), Poland | Bishop-Elect |
| Appointed | Krzysztof Kazimirski † | Bishop of Kyiv (Kijów), Ukraine |
| Appointed | Youssef Rizzi el-Bkoufani † | Patriarch of Antiochia {Antioch} (Maronite), Lebanon |
| Appointed | Antonius Vespoli, C.R. † | Coadjutor Bishop of Potenza, Italy |
| Appointed | Antonius Vespoli, C.R. † | Titular Bishop of Dragobitia (Drago) | Coadjutor Bishop of Potenza, Italy |
| 21 May | | Appointed | Tommaso Vannini † | Bishop of Avellino e Frigento, Italy |
| 26 May | 28.8 | Appointed | Franz Seraph von Dietrichstein † | Cardinal, Archbishop of Olomouc (Olmütz), Czech Republic |
| 29 May | 35.4 | Ordained Bishop | Pietro Giorgio Odescalchi † | Bishop of Alessandria (della Paglia), Italy | Bishop of Vigevano, Italy |
| 30 May | 46.4 | Ordained Bishop | Onofre Reart † | Bishop of Elne, France | Bishop Emeritus of Gerona, Spain |
| Jun | 53.0 | Ordained Bishop | Alfonso de la Mota y Escobar † | Bishop of Guadalajara, Jalisco, México | Bishop of Tlaxcala, México |
| 39.1 | Died | Guido Pepoli † | Cardinal, Cardinal-Priest of San Pietro in Montorio |
| 4 Jun | 40.4 | Appointed | François de Donadieu † | Bishop of Auxerre, France |
| Appointed | János Kutasy † | Archbishop of Esztergom, Hungary |
| 5 Jun | | Died | Sinolfo Benci † | Bishop of Montepulciano, Italy |
| 24.3 | Ordained Priest | Pierre Bérulle, C.O.I. † | Priest of Société de l’Oratoire de Jésus | Cardinal, Superior General |
| 13 Jun | 29.4 | Ordained Bishop | Heinrich von Knöringen † | Bishop of Augsburg, Germany |
| 47.8 | Ordained Priest | Lothar von Metternich † | Priest of Trier, Germany | Archbishop |