| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Born | Benito Crespo y Monroy, O.S. † | Cordovilla, Spain | Bishop of Tlaxcala, México |
| Installed | Patrick Duffy † | Bishop of Clogher, Ireland |
| 59.0 | Ordained Bishop | Martín de Espinosa y Monzón † | Bishop of Comayagua, Honduras |
| Born | Jacques de Forbin-Janson † | | Archbishop of Arles, France |
| 61.7 | Died | Ferdinando Tiberius Gonzaga † | Bishop of Mantova, Italy |
| Born | Gaspard de La Valette de Thomas † | La Valette-du-Var | Bishop Emeritus of Autun, France |
| Died | Andrew Lynch † | Bishop of Kilfenora, Ireland |
| 22.3 | Ordained Priest | Johann Peter von Quentell † | Priest of Köln {Cologne}, Germany | Auxiliary Bishop of Münster, Germany |
| Died | Manuel de Sousa e Almada † | Prelate of Săo Sebastiăo do Rio de Janeiro, Brazil |
| Born | Pedro de Tapiz y Garcia † | Andosilla, Spain | Bishop of Durango, México |
| Jan | | Born | Camillo de Mari, C.R. † | Saonen | Bishop of Aleria, France |
| Born | Tommaso Torelli † | Forolivien | Bishop of Forli, Italy |
| Born | Giovanni Macario Valenti † | Napoli | Bishop of Conversano, Italy |
| 1 Jan | 60.0 | Died | Carlo Gualterio † | Cardinal, Archbishop Emeritus of Fermo, Italy |
| 3 Jan | 67.0 | Died | Giovanni Battista Lanfranchi, C.R. † | Bishop of Avellino e Frigento, Italy |
| 8 Jan | 41.0 | Ordained Bishop | Antonio do Espirito Santo, O.C.D. † | Bishop of Angola e Congo, Angola |
| 43.4 | Died | Wenzeslaus von Thun † | Bishop of Passau, Germany |
| 14 Jan | 34.0 | Selected | Daniel-Louis de Baradat † | Bishop of Vabres, France |
| 40.2 | Appointed | Jean-Louis de Fromentičres † | Bishop of Aire, France |
| 15 Jan | | Died | Carlo Antonio Agudio † | Bishop of Castellaneta, Italy |
| Born | Johann Philipp Franz von Schönborn † | Würzburg | Bishop of Würzburg, Germany |
| 16 Jan | 48.4 | Selected | Michel Amelot de Gournay † | Archbishop of Tours, France |
| 33.0 | Appointed | Paolo Caravita, O.S.B. † | Archbishop of Conza, Italy |
| 34.0 | Elevated to Cardinal | Felice Rospigliosi † | Cardinal, Cardinal-Deacon of Sant’Agata de’ Goti |
| 39.0 | Appointed | Angelus Veniero (Venerius) † | Bishop of Tinos, Greece |
| 29 Jan | 33.1 | Ordained Bishop | Paolo Caravita, O.S.B. † | Archbishop of Conza, Italy |
| 39.1 | Ordained Bishop | Angelus Veniero (Venerius) † | Bishop of Tinos, Greece |
| 30 Jan | 67.1 | Appointed | Balthasar de los Reyes, O.S.H. † | Bishop of Coria, Spain |
| 68.1 | Confirmed | Diego Francés de Urrutigoyti y Lerma † | Bishop of Teruel, Spain | Bishop of Tarazona, Spain |
| 43.2 | Appointed | Simon Gaudenti † | Bishop of Ossero (Osor), Croatia |
| 52.1 | Confirmed | Giacomo Ferdinando de Gorizzutti † | Bishop of Trieste, Italy |
| 57.1 | Appointed | Hyacinthe Libelli, O.P. † | Archbishop of Avignon, France |
| 53.1 | Appointed | Camillo Massimo (Massimi) † | Cardinal-Priest of Sant’Eusebio | Cardinal, Cardinal-Priest of Sant’Anastasia |
| 35.1 | Appointed | Gerolamo Passarelli † | Bishop of Isernia, Italy | Archbishop of Salerno, Italy |
| 2 Feb | 31.8 | Ordained Priest | Franciscus Jany † | Priest | Bishop of Sirmio (Srijem; Sirmium), Croatia |
| Ordained Priest | Mikołaj Stefan Pac † | Priest | Bishop of Vilnius, Lithuania |
| 5 Feb | 56.9 | Ordained Bishop | Friedrich von Hessen-Darmstadt, O.S.Io.Hieros. † | Cardinal, Bishop of Wrocław (Breslau), Poland |
| 6 Feb | | Born | Wenzel Franz Karl Koschinsky von Koschín † | Brno | Bishop of Hradec Králové, Czech Republic |
| Born | Tommaso Marino, O.P. † | Enguera | Bishop of Siracusa, Italy |
| 12 Feb | 55.4 | Succeeded | Lothar Friedrich von Metternich-Burscheid † | Archbishop of Mainz, Germany |
| 67.5 | Died | Johann Philipp von Schönborn † | Archbishop of Mainz, Germany |
| 14 Feb | 68.1 | Died | Carlo Roberti † | Cardinal, Cardinal-Priest of Santa Maria in Ara Coeli |
| 15 Feb | | Appointed | Manuel Pessoa de Figueiredo † | Prelate of Săo Sebastiăo do Rio de Janeiro, Brazil |
| 16 Feb | | Died | Francesco Gozzadini † | Bishop of Cefalonia e Zante, Greece |
| 18 Feb | 55.7 | Died | Federico Borromeo (Jr.) † | Cardinal, Secretary of the Secretariat of State |
| 21 Feb | 59.1 | Died | Hieronymi Andreis † | Bishop of Korčula (Curzola, Cursola), Croatia |
| 24 Feb | 57.1 | Ordained Bishop | Hyacinthe Libelli, O.P. † | Archbishop of Avignon, France |
| 25 Feb | 23.0 | Ordained Priest | Giovanni Battista Costa † | Priest | Bishop of Sagone (Sagona), France |
| 27 Feb | 40.3 | Appointed | Giuseppe di Giacomo † | Bishop of Bovino, Italy |
| 63.2 | Appointed | Juan de Escalante Turcios y Mendoza † | Archbishop of Santo Domingo, Dominican Republic | Bishop of Yucatán (Mérida), México |
| 33.7 | Appointed | Andrea Francolisio (d’Aquino) † | Bishop of Tricarico, Italy | Bishop Emeritus |
| 60.2 | Appointed | Giacomo Franzoni † | Cardinal-Priest of Santa Maria in Ara Coeli | Cardinal, Bishop Emeritus of Camerino, Italy |
| 51.2 | Confirmed | Aleksander Kotowicz † | Bishop of Smoleńsk, Poland | Bishop of Vilnius, Lithuania |
| 51.2 | Appointed | Ferdinandus Pállfy ab Erdöd † | Bishop of Csanád, Hungary | Bishop of Eger, Hungary |
| 34.2 | Installed | Felice Rospigliosi † | Cardinal-Deacon of Santa Maria in Portico (Campitelli) | Cardinal, Cardinal-Deacon of Sant’Agata de’ Goti |
| Mar | | Born | Joăo Cardoso Castelo † | Loures | Auxiliary Bishop of Lisboa {Lisbon}, Portugal |
| Born | Franciscus Josephus Vernich † | Runac | Bishop of Sirmio (Srijem; Sirmium), Croatia |
| 9 Mar | | Born | Bartolomeo Pucci Franceschi † | Montepulciano | Bishop of Pescia, Italy |
| 11 Mar | 51.2 | Ordained Priest | Carlo Falconi † | Priest | Bishop of Castellaneta, Italy |
| 45.2 | Selected | Sebastian von Pötting-Persing † | Bishop of Passau, Germany |
| 12 Mar | 40.4 | Ordained Bishop | Giuseppe di Giacomo † | Bishop of Bovino, Italy |
| 33.7 | Ordained Bishop | Andrea Francolisio (d’Aquino) † | Bishop of Tricarico, Italy | Bishop Emeritus |
| 43.4 | Ordained Bishop | Simon Gaudenti † | Bishop of Ossero (Osor), Croatia |
| 35.2 | Ordained Bishop | Gerolamo Passarelli † | Bishop of Isernia, Italy | Archbishop of Salerno, Italy |
| 13 Mar | 62.2 | Died | Carlo de’ Vecchi † | Bishop Emeritus of Chiusi, Italy |
| 51.2 | Appointed | Carlo Falconi † | Bishop of Castellaneta, Italy |
| 60.2 | Appointed | Carlo Pellegrini † | Bishop of Avellino e Frigento, Italy |
| 63.5 | Selected | Johann Hartmann von Rosenbach † | Bishop of Würzburg, Germany |
| 32.5 | Appointed | Domenico Sorrentino † | Bishop of Ruvo (Ruo)(di Puglia), Italy | Bishop of Vulturara e Montecorvino, Italy |
| 62.3 | Appointed | Pietro Vidoni (Sr.) † | Cardinal-Priest of San Pancrazio | Cardinal, Bishop Emeritus of Lodi, Italy |
| 18 Mar | 23.7 | Ordained Priest | Tobias Ján Becker † | Priest of Praha {Prague}, Czech Republic | Bishop of Hradec Králové, Czech Republic |
| 29.2 | Ordained Priest | Charles de Pradel † | Priest | Bishop of Montpellier, France |
| 19 Mar | 23.1 | Ordained Priest | Biagio Gambaro † | Priest | Bishop of Telese o Cerreto Sannita, Italy |
| 22 Mar | 47.6 | Appointed | Federico Baldeschi (Ubaldi) Colonna † | Official of the Roman Curia - Other | Cardinal, Prefect of the Congregation of the Council |
| 53.2 | Installed | Jean de Forcoal † | Bishop of Sées, France |
| 1 Apr | 35.2 | Ordained Priest | Benedetto Giacinto Sangermano † | Priest | Bishop of Nusco, Italy |
| 9 Apr | 63.3 | Died | Cristovăo da Silveira, O.S.A. † | Archbishop of Goa, India |
| 15 Apr | 65.3 | Died | Alonso Francisco Dou † | Bishop of Gerona, Spain |
| 56.3 | Died | Mikołaj Jan Prażmowski † | Archbishop of Gniezno, Poland |
| 16 Apr | 30.3 | Ordained Bishop | Jacques de Goyon de Matignon † | Bishop of Condom, France | Bishop Emeritus |
| 60.3 | Ordained Bishop | Carlo Pellegrini † | Bishop of Avellino e Frigento, Italy |
| 32.6 | Ordained Bishop | Domenico Sorrentino † | Bishop of Ruvo (Ruo)(di Puglia), Italy | Bishop of Vulturara e Montecorvino, Italy |
| 23 Apr | 65.3 | Died | Pedro de Lencastre, O.F.M. Cap. † | Archbishop Emeritus of Braga, Portugal |
| 24 Apr | 84.3 | Died | Miguel Escartín Arbeza, O. Cist. † | Bishop of Tarazona, Spain |
| 3 May | 51.3 | Ordained Bishop | Ferdinandus Pállfy ab Erdöd † | Bishop of Csanád, Hungary | Bishop of Eger, Hungary |
| 5 May | 67.3 | Died | Balthasar de los Reyes, O.S.H. † | Bishop of Coria, Spain |
| 8 May | 16.6 | Professed | Vittorio Mazzocca, O.P. † | Member of Order of Friars Preachers | Bishop of Novigrad (Cittanova), Croatia |
| 16 May | | Born | Charles du Plessis d’Argentré † | Argentré | Bishop of Tulle, France |
| 19 May | 56.4 | Died | Giovanni Antonio Capobianco † | Bishop of Siracusa, Italy |
| Born | Christoph Franz von Hutten † | Mainburg | Bishop of Würzburg, Germany |
| 25 May | | Born | Johann Anton Wallreuther † | Kiedrich | Auxiliary Bishop of Worms, Germany |
| 28 May | 52.4 | Ordained Bishop | Giacomo Ferdinando de Gorizzutti † | Bishop of Trieste, Italy |
| 29 May | 54.4 | Appointed | Alfonso Álvarez Barba Ossorio, O. Carm. † | Archbishop of Brindisi, Italy |
| 50.4 | Appointed | Diego de Castrillo † | Bishop of Cádiz, Spain | Archbishop of Zaragoza, Spain |
| 62.4 | Appointed | Stefano de Gaspare † | Bishop of Sapë, Albania |
| 62.2 | Appointed | Francisco de Rois y Mendoza, O. Cist. † | Archbishop of Granada, Spain |
| Appointed | Francisco de Rojas-Borja y Artés † | Archbishop (Personal Title) of Cartagena (en Espańa) | Bishop |
| 44.4 | Appointed | Didacus Ros de Medrano † | Bishop of Orense, Spain |
| 11 Jun | 62.4 | Ordained Bishop | Stefano de Gaspare † | Bishop of Sapë, Albania |
| 12 Jun | 47.8 | Elevated to Cardinal | Federico Baldeschi (Ubaldi) Colonna † | In Pectore | Cardinal, Prefect of the Congregation of the Council |
| 34.4 | Confirmed | Daniel-Louis de Baradat † | Bishop of Vabres, France |
| 56.4 | Elevated to Cardinal | Pietro Bassdonna † | Cardinal, Cardinal-Deacon of Santa Maria in Domnica |
| Appointed | Pier Maria Bichi, O.S.B. † | Bishop of Sovana (Soana), Italy |
| 53.3 | Elevated to Cardinal | Girolamo Casanate † | Cardinal, Cardinal-Priest of San Silvestro in Capite |
| 57.4 | Elevated to Cardinal | Girolamo Gastaldi † | Cardinal, Archbishop of Benevento, Italy |
| Born | Joăo de Mendonça † | | Bishop of Guarda, Portugal |
| 37.0 | Elevated to Cardinal | Francesco Nerli (Jr.) † | Cardinal, Bishop Emeritus of Assisi, Italy |
| 15 Jun | | Died | José Ninot y Bardera † | Bishop of Lérida, Spain |
| 23 Jun | | Born | Michele Orsi † | Isernien | Archbishop of Otranto, Italy |
| 26 Jun | 36.5 | Appointed | Carlo Francesco Airoldi † | Titular Archbishop of Edessa in Osrhoëne |
| 54.5 | Appointed | Juan Asensio Barrios, O. de M. † | Bishop of Avila, Spain | Bishop of Jaén, Spain |
| 60.5 | Appointed | Francisco Lara † | Bishop of Badajoz, Spain | Archbishop of Zaragoza, Spain |
| 32.2 | Confirmed | Adrian von Riedmatten (IV) † | Bishop of Sion {Sitten}, Switzerland |
| 27 Jun | 69.3 | Died | Cesare Cancellotti, C.O. † | Bishop of Montalto (delle Marche), Italy |
| 29 Jun | | Born | Alexius Antonius von Nassau † | Limburgi | Titular Archbishop of Trapezus |