| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Born | Giuseppe Sauli Bargali (Bargagli), C.R.M. † | Januen | Bishop of Noli, Italy |
| Born | Stanislaw Franciszek Biegański, O.F.M. Conv. † | Posnanien | Bishop of Bacău, Romania |
| 47.0 | Died | Giacinto Cevoli, O.P. † | Bishop of San Marco (Argentano), Italy |
| Born | Sigismondo Chigi † | Rome, Italy | Cardinal, Cardinal-Deacon of San Giorgio in Velabro |
| 79.0 | Died | Antonio Corderiña Vega, O.S.A. † | Bishop of Ayacucho o Huamanga (Guamanga), Peru |
| 63.0 | Died | Marco Romano (Cristalli), C.R. † | Bishop of Ruvo (Ruo)(di Puglia), Italy |
| Born | Jerónimo Nosti de Valdés, O.S.Bas. † | Aramil, Spain | Bishop of Santiago de Cuba |
| Born | Marco de Rama, O.S.A. † | Alcala de Henares | Bishop of Crotone (Cotrone), Italy |
| Born | Pedro da Silva, O.S.A. † | | Bishop of Cochin, India |
| Born | Paulus Constantinus Dubrawski † | Przemyśl | Auxiliary Bishop of Przemyśl, Poland |
| Born | Manuel de Escalante Colombres y Mendoza † | Lerma | Bishop of Michoacán, México |
| 62.0 | Succeeded | Andrés García de Zurita † | Bishop of Ayacucho o Huamanga (Guamanga), Peru | Bishop of Trujillo, Peru |
| Born | Francesco Antonio Gaudiosi, O.P. † | S. Marco | Bishop of Bova, Italy |
| 63.0 | Died | Pace (Pax) Giordano (Jordanus) † | Bishop of Trogir (Traù), Croatia |
| Died | Alfonso Gonzaga † | Titular Archbishop of Rhodus |
| Born | Diego Gorospe de Irala, O.P. † | Puebla, México | Bishop of Nueva Segovia, Philippines |
| Ordained Bishop | Francisco Pio Guadalupe Tellez † | Archbishop of Santo Domingo, Dominican Republic |
| 21.4 | Ordained Priest | Martín de Híjar y Mendoza, O.S.A. † | Priest of Order of St. Augustine | Bishop of Concepción, Chile |
| Appointed | Hernando de Lobo Castrillo, O.F.M. † | Bishop of Puerto Rico (Porto Rico) |
| Born | Victor-Augustin de Mailly, C.R.S.A. † | Paris | Bishop of Lavaur, France |
| Born | Fulgenzio Arminio Monforti, O.S.A. † | Avellinen | Bishop Emeritus of Nusco, Italy |
| 25.0 | Ordained Priest | Ulrich de Mont † | Priest of Chur, Switzerland | Bishop |
| Born | Pedro Nogales Dávila † | Zalamea de la Serena, Spain | Bishop of Tlaxcala, México |
| Born | Patrick O’Donnelly † | Armagh | Bishop Emeritus of Dromore, Ireland |
| Appointed | Juan Pérez de Vega (López de Vega) † | Bishop of Tui, Spain | Bishop of León, Spain |
| Died | Stefano Sauli † | Archbishop of Chieti, Italy |
| 60.0 | Selected | André du Saussay † | Bishop of Toul, France |
| 19.0 | Professed | Johannes Schmitzberger, O.S.B. † | Member of Order of Saint Benedict | Auxiliary Bishop of Wien, Austria |
| 26.5 | Ordained Priest | Emerich (Johann Anton) Sinelli, O.F.M. Cap. † | Priest of Order of Friars Minor Capuchin | Bishop of Wien, Austria |
| Died | Francisco Villagutiérrez Chumacero, O.S.A. † | Auxiliary Bishop of Toledo, Spain |
| 24.4 | Ordained Priest | Stephan Weinberger † | Priest of Würzburg, Germany | Auxiliary Bishop |
| Resigned | Martín de Zelaya (Celaya) y Oláriz † | Bishop of Santiago de Cuba | Bishop Emeritus of Santiago de Cuba |
| Jan | | Born | Pompeo Sarnelli † | Polignanen | Bishop of Bisceglie, Italy |
| 1 Jan | | Born | Giacinto della Calce, C.R. † | Naples | Bishop of Ariano, Italy |
| 3 Jan | 24.8 | Ordained Priest | Carlo Cuzzolini † | Priest | Bishop of Pozzuoli, Italy |
| 20 Jan | 60.9 | Died | Claude de Rueil † | Bishop of Angers, France |
| 24 Jan | | Died | Marco Antonio Parisi † | Bishop of Oria, Italy |
| 28 Jan | 48.1 | Appointed | Mario Theodoli † | Cardinal-Priest of Santa Maria del Popolo | Cardinal, Bishop Emeritus of Imola, Italy |
| Born | Antonio Vaira † | Venetiarum | Bishop of Adria, Italy |
| 1 Feb | | Appointed | Francesco Maria Ghislieri † | Bishop of Terracina, Priverno e Sezze, Italy | Bishop of Imola, Italy |
| 43.1 | Confirmed | Hardouin de Péréfixe de Beaumont † | Bishop of Rodez, France | Archbishop of Paris, France |
| 2 Feb | | Born | Pietro Francesco (Vincenzo Maria) Orsini de Gravina, O.P. † | Gravina di Puglia | Pope (Roma {Rome}, Italy) |
| 3 Feb | | Born | Philippus Albini † | Beneventan | Bishop of Sant’Agata de’ Goti, Italy |
| 7 Feb | 66.1 | Died | Tommaso Malloni (Mallono), C.R.S. † | Bishop of Belluno, Italy |
| 12 Feb | 52.1 | Died | Agustín Spínola Basadone † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 16 Feb | 81.1 | Died | Gonçalvo (Gonzalo) da Silva † | Bishop of Ceuta, Spain |
| 17 Feb | | Died | Jacques Le Noël du Perron † | Bishop of Evreux, France |
| 18 Feb | 50.1 | Died | Cristóbal Pérez Lazarraga y Maneli Viana, O. Cist. † | Bishop of Cartagena, Colombia |
| 22 Feb | 52.1 | Died | Alfonso Castiglion Morelli † | Archbishop of Cosenza, Italy |
| 24 Feb | | Born | Aleksandar Ignacije Mikulić Brokunovečki † | Marocha | Bishop of Zagreb (Agram), Croatia |
| 28 Feb | 72.0 | Died | Angel Manrique, O. Cist. † | Bishop of Badajoz, Spain |
| Mar | | Born | Mikołaj Michał (Nicolaus Geraldus) Wyżycki † | Jazłowecen | Bishop of Chełm, Poland |
| 1 Mar | 52.2 | Appointed | Pierre de Bedacier, O.S.B. † | Titular Bishop of Augustopolis in Phrygia | Auxiliary Bishop of Metz, France |
| 52.2 | Confirmed | Pierre de Bedacier, O.S.B. † | Auxiliary Bishop of Metz, France |
| Born | Fabrizio Cianci † | Castelgrande | Bishop of Guardialfiera (Guardia), Italy |
| 32.2 | Confirmed | Philibert-Emmanuel d’Angennes de Rambouillet † | Bishop of Le Mans, France |
| 46.2 | Appointed | Giovanni Battista Gori Panellini † | Bishop of Grosseto, Italy |
| 56.2 | Appointed | Dominique Marini † | Archbishop of Avignon, France |
| 65.6 | Appointed | Diego Martínez Zarzosa † | Bishop of Cartagena (en España) | Bishop of Málaga, Spain |
| Appointed | Pietro Paolo Russo † | Bishop of Nusco, Italy |
| 39.4 | Confirmed | Franz Maximilian Vaccano † | Bishop of Pedena, Austria | Bishop of Trieste, Italy |
| 7 Mar | | Ordained Bishop | Pietro Paolo Russo † | Bishop of Nusco, Italy |
| 11 Mar | | Born | Gianalberto Badoer (Badoaro) † | Venezia | Cardinal, Bishop of Brescia, Italy |
| 19 Mar | 53.5 | Died | Cristoforo Pietro Antonio Giarda, B. † | Bishop of Castro [del Lazio], Italy |
| 20 Mar | 71.2 | Died | Juan Gutiérrez † | Bishop of Vigevano, Italy |
| 24.2 | Ordained Priest | Giovanni Battista Nepita † | Priest | Bishop of Massa Lubrense, Italy |
| 27.2 | Ordained Priest | Raimondo del Pozzo † | Priest | Bishop of Vieste, Italy |
| 22 Mar | 58.5 | Confirmed | Agostino Barbosa † | Bishop of Ugento, Italy |
| 32.2 | Appointed | Giovanni Antonio Capobianco † | Bishop of Siracusa, Italy |
| Appointed | Francesco Carducci † | Bishop of Valva, Italy |
| Appointed | Francesco Carducci † | Bishop of Sulmona, Italy | Bishop of Valva, Italy |
| 39.2 | Appointed | Leonardo Leria, O. Carm. † | Bishop of Minori, Italy | Bishop Emeritus |
| Apr | | Born | Scipio Carocci (Carocius) † | Caietan | Bishop of Acerno, Italy |
| Born | Isidoro Masones y Nin † | Calaritan | Bishop of Ales e Terralba, Italy |
| 53.0 | Died | Alessandro Sergardi † | Bishop of Montalcino, Italy |
| 3 Apr | 23.4 | Ordained Priest | Carlo Francesco Ceva † | Priest | Bishop of Tortona, Italy |
| 5 Apr | 58.6 | Ordained Bishop | Agostino Barbosa † | Bishop of Ugento, Italy |
| 32.3 | Ordained Bishop | Giovanni Antonio Capobianco † | Bishop of Siracusa, Italy |
| 7 Apr | | Born | Diego Ibáñez de la Madrid y Bustamente † | Comillas | Bishop of Ceuta, Spain |
| 11 Apr | 56.3 | Ordained Bishop | Dominique Marini † | Archbishop of Avignon, France |
| 12 Apr | | Appointed | Maria Giuseppe Avila, O.P. † | Bishop of Satriano e Campagna, Italy |
| 61.3 | Appointed | Gian Giacomo Cristoforo † | Bishop of Lacedonia, Italy |
| 62.3 | Appointed | Paolo Teutonico † | Archbishop of Manfredonia, Italy |
| 70.5 | Died | Albert von Törring † | Bishop of Regensburg, Germany |
| 56.1 | Succeeded | Franz Wilhelm von Wartenberg † | Cardinal, Bishop of Regensburg, Germany |
| 14 Apr | | Died | Abraomas Voina (Wojna) † | Bishop of Vilnius, Lithuania |
| 15 Apr | 77.3 | Died | Pedro da Silva Sampaio † | Bishop of São Salvador da Bahia, Brazil |
| 17 Apr | 52.3 | Selected | Gilles Boutault † | Bishop of Evreux, France |
| 18 Apr | 43.3 | Ordained Bishop | Hardouin de Péréfixe de Beaumont † | Bishop of Rodez, France | Archbishop of Paris, France |
| 62.3 | Ordained Bishop | Paolo Teutonico † | Archbishop of Manfredonia, Italy |
| 22 Apr | 61.3 | Died | Marcos de Torres y Rueda † | Bishop of Yucatán (Mérida), México |
| 23 Apr | | Died | Marco Giustiniani † | Bishop of Verona, Italy |
| 29 Apr | 58.3 | Selected | Diego López de la Vega † | Bishop of Badajoz, Spain | Bishop of Coria, Spain |
| 8 May | 61.4 | Died | Gian Giacomo Cristoforo † | Bishop of Lacedonia, Italy |
| 10 May | 35.7 | Appointed | Simeone Difnico † | Bishop of Feltre, Italy |
| 25 May | 34.4 | Ordained Priest | Giuseppe (Francisco Maria) Sanfelice † | Priest | Archbishop of Cosenza, Italy |
| Jun | | Born | Raffaele Maria Filamondo, O.P. † | Napoli | Bishop of Sessa Aurunca, Italy |
| Born | Marino Gini † | Scutaren | Bishop of Sapë, Albania |
| 6 Jun | 47.6 | Ordained Bishop | Johann Melchior Söllner † | Titular Bishop of Domitiopolis | Auxiliary Bishop of Würzburg, Germany |
| 8 Jun | | Born | Jan Kazimierz Denhoff † | Warsaw, Poland | Cardinal, Bishop Emeritus of Cesena, Italy |
| 20 Jun | 36.0 | Ordained Priest | Gabriele Tontoli † | Priest | Bishop of Ruvo (Ruo)(di Puglia), Italy |
| 21 Jun | 40.5 | Appointed | Georges d’Aubusson de la Feuillade † | Archbishop of Embrun, France | Bishop of Metz, France |
| 35.5 | Appointed | Giorgio Giorgicci † | Bishop of Nona (Nin), Croatia | Bishop of Krk (Veglia), Croatia |
| 45.5 | Appointed | Miguel de Poblete Casasola † | Archbishop of Manila, Philippines |
| 22 Jun | 66.5 | Died | Alessandro Castracani (Castracane) † | Bishop of Fano, Italy |
| 28 Jun | 28.5 | Appointed | Giulio Cesare Borea † | Bishop of Comacchio, Italy |
| 59.2 | Appointed | Francisco Rodríguez de Valcárcel † | Bishop of Cartagena, Colombia |
| 63.9 | Appointed | Pedro Urbina Montoya, O.F.M. † | Archbishop of Valencia, Spain | Archbishop of Sevilla {Seville}, Spain |