| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Died | Michelangelo Catalani, O.F.M. Conv. † | Bishop of Isernia, Italy |
| Born | Nicolaus de Camillis † | Chien | Bishop-Elect of Syros (e Milos), Greece |
| 23.1 | Ordained Priest | Petrus Codde, C.O. † | Priest of Confederation of Oratorians of St. Philip Neri | Vicar Apostolic Emeritus of Batavia (Holland Mission), Netherlands |
| Died | Girolamo Cori (de Coris) † | Bishop of Sovana (Soana), Italy |
| 40.0 | Died | Petrus Deodatus, O.F.M. † | Archbishop of Sardica (Sredek, Sofia), Bulgaria |
| 54.0 | Died | Mauritii Doria † | Bishop of Tinos, Greece |
| Born | Sebastián Foronda, O.S.A. † | Badajoz, Spain | Apostolic Administrator of Cebu, Philippines |
| 52.0 | Ordained Priest | Nicolas Ladvocat-Billiard † | Priest | Bishop of Boulogne (-Sur-Mer), France |
| 36.0 | Ordained Priest | Carlo Francesco Muti † | Priest | Bishop of Città della Pieve, Italy |
| 55.0 | Resigned | Louis de Rechiègne Voisin de Guron † | Bishop of Tulle, France | Bishop of (Saint-Bernard de) Comminges, France |
| 24.0 | Ordained Priest | Michael Rossiter † | Priest | Bishop of Ferns, Ireland |
| Appointed | Constantino Sampaio † | Bishop of São Salvador da Bahia, Brazil | Bishop-Elect |
| Died | Constantino Sampaio † | Bishop-Elect of São Salvador da Bahia, Brazil |
| 68.0 | Died | Giacinto Solaro di Moretta † | Bishop Emeritus of Mondovi, Italy |
| Died | Simeone de Summis, O.F.M. † | Bishop of Sapë, Albania |
| Born | Piotr Tarło † | Cracovien | Bishop of Poznań, Poland |
| Died | Bonaventura Teoli, O.F.M. Conv. † | Titular Archbishop of Myra |
| Died | Alfonso Vázquez de Toledo, O.F.M. † | Bishop of Cádiz, Spain |
| Resigned | Anastasio Vives de Rocamora, O. Carm. † | Bishop of Segorbe, Spain | Bishop Emeritus |
| 47.0 | Appointed | Alexander Dunbar Winchester (Winster) † | Prefect of Scotland, Great Britain | Prefect Emeritus |
| Jan | | Born | Eugénio Boto da Silva † | Caldas | Auxiliary Bishop of Braga, Portugal |
| Born | Antonius Nin † | Calaritan | Archbishop of Oristano, Italy |
| 3 Jan | 49.0 | Ordained Bishop | Cristobal de Almeida, O.S.A. † | Titular Bishop of Martyropolis | Auxiliary Bishop of Lisboa {Lisbon}, Portugal |
| 6 Jan | 56.3 | Died | Giberto Borromeo † | Cardinal, Cardinal-Priest of Santi Giovanni e Paolo |
| 7 Jan | 37.9 | Selected | Johann Hugo von Orsbeck † | Coadjutor Archbishop of Trier, Germany | Archbishop |
| 12 Jan | | Born | García Pardiñas Villar de Francos, O. de M. † | La Coruña | Bishop of Tarazona, Spain |
| 15 Jan | 41.0 | Appointed | Pedro de Alagó y de Cardona † | Archbishop of Oristano, Italy | Bishop of Mallorca, Spain |
| 69.0 | Appointed | Sebastiano d’Alessandro, O. Carm. † | Bishop of Ruvo (Ruo)(di Puglia), Italy |
| 61.0 | Appointed | Francisco López Urraca, O.S.A. † | Bishop of Bosa, Italy | Bishop of Barbastro, Spain |
| 55.5 | Appointed | Lussorio Roger (Rogger) † | Bishop of Alghero, Italy |
| 19 Jan | | Died | Gian Vincenzo de’ Giuli † | Bishop of Massa Lubrense, Italy |
| 54.0 | Died | Giovanni Battista Rabbia, C.R. † | Bishop of Lodi, Italy |
| 83.0 | Died | Alessandro Sperelli, C.O. † | Bishop of Gubbio, Italy |
| 24 Jan | 64.1 | Ordained Bishop | Johann Eberhard Nidhard (Neidhardt), S.J. † | Titular Archbishop of Edessa in Osrhoëne | Cardinal, Cardinal-Priest of Santa Croce in Gerusalemme |
| 30 Jan | 57.1 | Ordained Bishop | Cosme Roger, O. Cist. † | Bishop of Lombez, France |
| 3 Feb | 60.1 | Died | Philipp Valentin Albrecht Voit von Rieneck † | Bishop of Bamberg, Germany |
| 8 Feb | 32.9 | Confirmed | Henri de Barillon † | Bishop of Luçon, France |
| 40.2 | Appointed | Jacques-Théodore de Brias † | Bishop of Saint-Omer, France | Archbishop of Cambrai, France |
| 60.9 | Appointed | Giacomo Buoni † | Bishop of Montefeltro, Italy | Bishop of Nepi e Sutri, Italy |
| 58.1 | Appointed | Neri Corsini † | Archbishop (Personal Title) of Arezzo, Italy | Cardinal, Bishop Emeritus |
| 42.1 | Appointed | Melchor de Liñán y Cisneros † | Archbishop of La Plata o Charcas, Bolivia | Archbishop of Lima, Peru |
| 47.1 | Appointed | Lodovico Malaspina, O. Carm. † | Bishop of Sansepolcro (Borgo San Sepolcro), Italy |
| 58.1 | Appointed | Juan Molino Navarrete, O.F.M. † | Bishop of Palencia, Spain |
| 24.8 | Confirmed | Charles de Rosmadec † | Archbishop of Tours, France |
| 53.1 | Appointed | Carlo Sgombrino † | Bishop of Catanzaro, Italy |
| 51.1 | Appointed | Emmanuel a S. Ludovico, O.F.M. † | Auxiliary Bishop of Goa, India |
| 51.1 | Appointed | Emmanuel a S. Ludovico, O.F.M. † | Titular Bishop of Milevum | Auxiliary Bishop of Goa, India |
| 9 Feb | | Born | Sostegno Maria Cavalli, O.S.M. † | Oviglio | Bishop of Gubbio, Italy |
| 15 Feb | | Born | Fabio Colloredo, C.O. † | Colloredo | Archbishop of Lucca, Italy |
| 19 Feb | 56.0 | Ordained Priest | Friedrich von Hessen-Darmstadt, O.S.Io.Hieros. † | Priest of Wrocław (Breslau), Poland | Cardinal, Bishop |
| 21 Feb | 34.5 | Ordained Bishop | Louis de Thomassin † | Titular Bishop of Rhodiapolis | Bishop of Sisteron, France |
| 22 Feb | 60.1 | Appointed | Alfonso Aguayo (Aguado), O.S.B. † | Auxiliary Bishop of Avila, Spain |
| 60.1 | Appointed | Alfonso Aguayo (Aguado), O.S.B. † | Titular Bishop of Caesarea in Bithynia | Auxiliary Bishop of Avila, Spain |
| 40.2 | Elevated to Cardinal | Bernhard Gustav von Baden-Durlach, O.S.B. † | Cardinal, Cardinal-Priest of Santa Susanna |
| 40.9 | Elevated to Cardinal | Pierre de Bonzi † | Cardinal, Archbishop of Narbonne, France |
| 38.9 | Appointed | Carlo Galgano † | Bishop of Belcastro, Italy | Bishop Emeritus |
| 57.1 | Appointed | Ildephonsus García de Losada, O.S.B. † | Auxiliary Bishop of Piacenza, Italy |
| 57.1 | Appointed | Ildephonsus García de Losada, O.S.B. † | Titular Bishop of Constantia in Arabia | Auxiliary Bishop of Piacenza, Italy |
| Selected | Pedro de Godoy, O.P. † | Bishop of Sigüenza, Spain |
| 29.1 | Confirmed | Jacques de Goyon de Matignon † | Bishop of Condom, France | Bishop Emeritus |
| 36.1 | Appointed | Carlo Francesco Muti † | Bishop of Città della Pieve, Italy |
| 23.1 | Elevated to Cardinal | Pietro Francesco (Vincenzo Maria) Orsini de Gravina, O.P. † | Pope (Roma {Rome}, Italy) |
| 36.1 | Appointed | Jean-Armand de Rotondy de Biscarras † | Bishop of Béziers, France |
| Appointed | José Sanchis i Ferrandis, O. de M. † | Bishop of Ampurias e Civita, Italy | Archbishop of Tarragona, Spain |
| 34.1 | Appointed | Jerónimo Zolivera † | Auxiliary Bishop of Tarragona, Spain | Bishop of Teruel, Spain |
| 34.1 | Appointed | Jerónimo Zolivera † | Titular Bishop of Traianopolis in Phrygia | Bishop of Teruel, Spain |
| 25 Feb | 61.0 | Ordained Bishop | Giacomo Buoni † | Bishop of Montefeltro, Italy | Bishop of Nepi e Sutri, Italy |
| 69.1 | Ordained Bishop | Sebastiano d’Alessandro, O. Carm. † | Bishop of Ruvo (Ruo)(di Puglia), Italy |
| 47.1 | Ordained Bishop | Lodovico Malaspina, O. Carm. † | Bishop of Sansepolcro (Borgo San Sepolcro), Italy |
| 9 Mar | | Born | Luis Simões Brandão † | Coimbra, Portugal | Bishop Emeritus of Angola e Congo, Angola |
| 12 Mar | 23.2 | Ordained Priest | Pompeo Sarnelli † | Priest | Bishop of Bisceglie, Italy |
| 14 Mar | | Resigned | Vincenzo Pineri, O.F.M. Conv. † | Bishop of Polignano (Polinianum), Italy | Bishop Emeritus |
| 15 Mar | | Born | Tommaso Cervioni, O.S.A. † | Ilcinen | Archbishop Emeritus of Lucca, Italy |
| Born | François-César Le Blanc † | Paris | Bishop of Avranches, France |
| 21 Mar | 42.2 | Appointed | Antonio de León y Becerra † | Bishop of Panamá | Bishop of Arequipa, Peru |
| Born | Andrés de Orbe y Larreátegui † | Ermua | Archbishop Emeritus of Valencia, Spain |
| 56.1 | Confirmed | Friedrich von Hessen-Darmstadt, O.S.Io.Hieros. † | Cardinal, Bishop of Wrocław (Breslau), Poland |
| 34.2 | Confirmed | Louis de La Vergne-Montenard de Tressan † | Bishop of Le Mans, France |
| 38.2 | Confirmed | Jules Mascaron, C.O.I. † | Bishop of Tulle, France | Bishop of Agen, France |
| Appointed | Ferenc Szegedy † | Bishop of Eger, Hungary |
| 22 Mar | 37.4 | Ordained Priest | Bento de Beja Noronha † | Priest | Bishop of Elvas, Portugal |
| 52.7 | Selected | Peter Philipp von Dernbach † | Bishop of Bamberg, Germany |
| 23 Mar | | Born | Niccolò Schiaffinati, O.S.A. † | Napoli | Bishop of Ischia, Italy |
| 31 Mar | 62.2 | Died | Honuphrius Ippoliti † | Titular Bishop of Porphyreon |
| Apr | | Died | Giovanni Antonio de’ Vecchi † | Bishop of Ischia, Italy |
| 2 Apr | 60.3 | Selected | Ferdinandus de Valcácer † | Bishop of Paraguay | Bishop-Elect |
| 4 Apr | 54.3 | Selected | Antonio de Isla y Mena † | Bishop of Osma, Spain |
| 6 Apr | 68.3 | Died | Juan de Toledo, O.S.H. † | Bishop of León, Spain |
| 15 Apr | 52.3 | Installed | Estevão dos Santos Carneiro de Moraes, C.R.S.A. † | Bishop of São Salvador da Bahia, Brazil |
| 16 Apr | 23.1 | Ordained Priest | Aleksandar Ignacije Mikulić Brokunovečki † | Priest | Bishop of Zagreb (Agram), Croatia |
| 17 Apr | 34.7 | Succeeded | Louis de Thomassin † | Bishop of Vence, France | Bishop of Sisteron, France |
| 21 Apr | 66.6 | Died | Antoine Godeau † | Bishop of Vence, France |
| May | | Born | Julius Nicolaus Torno † | Napoli | Titular Bishop of Arcadiopolis in Asia |
| 1 May | 38.3 | Ordained Bishop | Paul-Philippe de Chaumont † | Bishop of Acqs (Dax), France | Bishop Emeritus |
| 168.3 | Beatified | St. Antonio (Michele) Ghislieri, O.P. † | Pope (Roma {Rome}, Italy) |
| 2 May | 52.3 | Appointed | Francesco Giuseppe Crespos de Escobar † | Bishop of Agrigento (Girgenti), Italy |
| Confirmed | Hugues de Bar † | Bishop of Lectoure, France |
| 57.3 | Appointed | Josephus Eusanio, O.S.A. † | Titular Bishop of Porphyreon |
| 50.3 | Appointed | Scipione de Martinis † | Bishop of Polignano (Polinianum), Italy | Bishop Emeritus of Trebinje e Mrkan, Bosnia and Herzegovina |
| 40.3 | Confirmed | György Pongrácz † | Bishop of Vác, Hungary |
| 67.3 | Appointed | Giacinto Torisi (Tarugi), O.P. † | Titular Archbishop of Myra | Bishop of Venosa, Italy |
| 4 May | 58.3 | Died | Luis Guillermo (Guillén) de Moncada de Aragón Luna de Peralta y de La Cerda † | Cardinal, Priest |
| 12 May | 38.4 | Died | Rodulphus Acquaviva † | Titular Bishop of Laodicea in Phrygia |
| 16 May | 50.4 | Appointed | Sebastián de Arévalo y Torres, O.F.M. † | Bishop of Mondoñedo, Spain | Bishop of Osma, Spain |
| Appointed | Cristóbal Bernardo de Quiros † | Bishop of Popayán, Colombia |
| 44.3 | Elevated to Cardinal | César d’Estrées † | Cardinal, Bishop Emeritus of Laon, France |
| 71.4 | Appointed | Fabio dos Reis Fernandes, O. Carm. † | Bishop of Santiago de Cabo Verde |
| 61.4 | Appointed | Juan de Esturizada, O.P. † | Bishop of Santa Cruz de la Sierra, Bolivia |
| 52.4 | Confirmed | Jean de Forcoal † | Bishop of Sées, France |
| Confirmed | Pedro de Godoy, O.P. † | Bishop of Sigüenza, Spain |
| 42.7 | Appointed | Philip Thomas Howard of Norfolk, O.P. † | Titular Bishop of Helenopolis in Bithynia | Cardinal, Cardinal-Priest of Santa Maria sopra Minerva |
| 44.3 | Appointed | Francesco Maria Neri † | Bishop of Massa Lubrense, Italy | Bishop of Venosa, Italy |
| 64.4 | Elevated to Cardinal | Johann Eberhard Nidhard (Neidhardt), S.J. † | Cardinal, Cardinal-Priest of Santa Croce in Gerusalemme |
| 23.3 | Installed | Pietro Francesco (Vincenzo Maria) Orsini de Gravina, O.P. † | Cardinal-Priest of San Sisto | Pope (Roma {Rome}, Italy) |
| 44.4 | Appointed | Giacomo Rospigliosi † | Cardinal, Cardinal-Priest of Santi Giovanni e Paolo |
| 60.4 | Confirmed | Ferdinandus de Valcácer † | Bishop of Paraguay | Bishop-Elect |
| 21 May | | Born | Felipe Molina y Figueroa † | Arévalo, Spain | Bishop of Nueva Caceres, Philippines |
| 22 May | 44.3 | Ordained Bishop | Francesco Maria Neri † | Bishop of Massa Lubrense, Italy | Bishop of Venosa, Italy |
| 24 May | 19.4 | Professed | Joseph-Ignace-Jean-Baptiste de Mesgrigny, O.F.M. Cap. † | Member of Order of Friars Minor Capuchin | Bishop of Grasse, France |
| 4 Jun | 50.4 | Selected | Aleksander Kotowicz † | Bishop of Smoleńsk, Poland | Bishop of Vilnius, Lithuania |
| 5 Jun | 33.3 | Ordained Bishop | Henri de Barillon † | Bishop of Luçon, France |
| 50.4 | Ordained Priest | Carlo Vincenzo Toti † | Priest | Bishop of Gubbio, Italy |
| 6 Jun | 52.4 | Died | Estevão dos Santos Carneiro de Moraes, C.R.S.A. † | Bishop of São Salvador da Bahia, Brazil |
| 8 Jun | | Born | Gerolamo Archinto † | Milano | Apostolic Nuncio to Poland |
| 18 Jun | 81.5 | Died | Diego Chueca † | Bishop of Teruel, Spain |
| 22 Jun | 45.0 | Selected | Juan de Ortega Cano Montañez y Patiño † | Bishop of Durango, México | Archbishop of México, Federal District |
| 27 Jun | 43.5 | Appointed | Álvaro de São Boaventura, O.F.M. † | Bishop of Coimbra, Portugal |
| 50.5 | Appointed | Carlo Vincenzo Toti † | Bishop of Gubbio, Italy |
| 29 Jun | 66.5 | Died | Francesco Maria Mancini † | Cardinal, Cardinal-Priest of San Matteo in Merulana |