| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 59.0 | Died | Eugene Conwell † | Vicar Apostolic of Derry, Ireland |
| Born | Benito Crespo y Monroy, O.S. † | | Bishop of Tlaxcala (Puebla de los Angeles), México |
| Installed | Patrick Duffy, O.F.M. Ref. † | Bishop of Clogher, Ireland |
| 59.0 | Ordained Bishop | Martín de Espinosa y Monzón † | Bishop of Comayagua, Honduras |
| 61.7 | Died | Ferdinando Tiberius Gonzaga † | Bishop of Mantova, Italy |
| Died | Jean † | Bishop of Seert (Chaldean), Turkey |
| Born | Gaspard de La Valette de Thomas † | | Bishop Emeritus of Autun, France |
| 52.0 | Appointed | Daniel Mackey † | Bishop of Dromore, Ireland |
| Born | Carlo Massa † | | Prelate of Santa Lucia del Mela, Italy |
| 36.5 | Resigned | Francesco Nerli (Jr.) † | Apostolic Nuncio to France | Cardinal, Bishop Emeritus of Assisi, Italy |
| 26.0 | Ordained Priest | Patrick O’Donnelly † | Priest | Bishop Emeritus of Dromore, Ireland |
| 22.2 | Ordained Priest | Johann Peter von Quentell † | Priest of Köln {Cologne}, Germany | Auxiliary Bishop of Münster, Germany |
| Born | Pedro de Tapiz y Garcia † | | Bishop of Durango, México |
| 1 Jan | | Born | Louis-Nicolas Charléty, C.R.A. † | | Abbot of Saint-Maurice, Switzerland |
| 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 |
| Born | Giovanni Macario Valenti † | | Bishop of Conversano, Italy |
| 4 Jan | 23.9 | Appointed | Pietro Francesco (Vincenzo Maria) Orsini de Gravina, O.P. † | Prefect of the Congregation of the Council | Pope (Roma {Rome}, Italy) |
| 6 Jan | 43.3 | Died | Wenzeslaus von Thun † | Bishop of Passau, Germany |
| 8 Jan | 41.0 | Ordained Bishop | Antonio do Espirito Santo, O.C.D. † | Bishop of Angola e Congo |
| 14 Jan | 33.0 | Selected | Daniel-Louis de Baradat † | Bishop of Vabres, France |
| 15 Jan | | Died | Carlo Antonio Agudio † | Bishop of Castellaneta, Italy |
| 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 | Angelo Veniero (Venerius) † | Bishop of Tinos and Mykonos, Greece |
| 18 Jan | | Born | Christopher Butler † | | Archbishop of Cashel (-Emly), Ireland |
| 22 Jan | 47.0 | Ordained Bishop | Manuel de Mollinedo Angulo † | Bishop of Cuzco, Peru |
| 26 Jan | | Born | Camillo de Mari, C.R. † | | Bishop of Aleria, France |
| 29 Jan | 33.0 | Ordained Bishop | Paolo Caravita, O.S.B. † | Archbishop of Conza, Italy |
| 39.0 | Ordained Bishop | Angelo Veniero (Venerius) † | Bishop of Tinos and Mykonos, Greece |
| 30 Jan | 67.0 | Appointed | Baltasar de los Reyes, O.S.H. † | Bishop of Coria, Spain |
| 70.0 | Confirmed | Diego Antonio Francés de Urrutigoyti y Lerma † | Bishop of Teruel, Spain | Bishop of Tarazona, Spain |
| 43.2 | Appointed | Simon Gaudenti † | Bishop of Ossero (Osor), Croatia |
| 52.0 | Confirmed | Giacomo Ferdinando de Gorizzutti † | Bishop of Trieste, Italy |
| 57.0 | Appointed | Giacinto Libelli, O.P. † | Archbishop of Avignon, France |
| 52.5 | Appointed | Camillo Massimi † | Cardinal-Priest of Sant’Eusebio | Cardinal, Cardinal-Priest of Sant’Anastasia |
| 35.1 | Appointed | Girolamo Passarelli † | Bishop of Isernia, Italy | Archbishop of Salerno, Italy |
| Born | Tommaso Torelli † | | Bishop of Forli, Italy |
| 2 Feb | 59.0 | Died | Jeronim de Andreis † | Bishop of Korčula (Curzola, Cursola), Croatia |
| 31.7 | Ordained Priest | Francesco Jany † | Priest | Bishop of Sirmio (Srijem; Sirmium), Croatia |
| 50.0 | Ordained Priest | Mikołaj Stefan Pac † | Priest | Bishop of Vilnius, Lithuania |
| 5 Feb | 22.0 | Ordained Deacon | Johannes Wolfgang von Bodman † | Deacon of Konstanz {Constance}, Germany | Auxiliary Bishop |
| 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 † | | Bishop of Hradec Králové, Czechia |
| Born | Tomás Marín (Marino), O.P. † | | Bishop of Siracusa, Italy |
| 12 Feb | 55.3 | 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 (de’ Vittori) † | 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 |
| Born | Johann Philipp Franz von Schönborn † | | Bishop of Würzburg, Germany |
| 16 Feb | | Died | Francesco Gozzadini † | Bishop of Cefalonia e Zante, Greece |
| 18 Feb | 55.7 | Died | Federico Borromeo (Jr.) † | Cardinal, Secretary of State |
| 24 Feb | 57.1 | Ordained Bishop | Giacinto Libelli, O.P. † | Archbishop of Avignon, France |
| 25 Feb | 22.0 | Ordained Deacon | Antonio Botado de Foios Pereira, O.S.A. † | Deacon | Auxiliary Bishop of Braga, Portugal |
| 22.9 | Ordained Priest | Giovanni Battista Costa † | Priest | Bishop of Sagone (Sagona), France |
| 22.1 | Ordained Deacon | Angelus d’Ongnies et d’Estrées, O.F.M. Cap. † | Deacon of Order of Friars Minor Capuchin | Bishop of Roermond, Netherlands |
| 27 Feb | 40.3 | Appointed | Giuseppe di Giacomo † | Bishop of Bovino, Italy |
| 65.1 | Confirmed | Juan de Escalante Turcios y Mendoza † | Archbishop of Santo Domingo, Dominican Republic | Bishop of Yucatán (Mérida), México |
| 33.5 | 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, Cardinal-Bishop of Porto e Santa Rufina |
| 51.1 | Confirmed | Aleksander Michał Kotowicz † | Bishop of Smoleńsk, Poland | Bishop of Vilnius, Lithuania |
| 51.1 | Appointed | Ferdinandus Pállfy ab Erdöd † | Bishop of Csanád, Hungary | Bishop of Eger, Hungary |
| 34.1 | Installed | Felice Rospigliosi † | Cardinal-Deacon of Santa Maria in Portico (Campitelli) | Cardinal, Cardinal-Deacon of Sant’Agata de’ Goti |
| 5 Mar | 41.1 | Ordained Bishop | Juan Álvarez Osorio † | Bishop of León, Spain | Bishop of Plasencia, Spain |
| 41.1 | Ordained Bishop | André Furtado de Mendonça † | Bishop of Miranda (do Douro), Portugal |
| 9 Mar | | Born | Bartolomeo Pucci Franceschi † | | Bishop of Pescia, Italy |
| 11 Mar | 51.1 | Ordained Priest | Carlo Falconi † | Priest | Bishop of Castellaneta, Italy |
| 45.1 | Selected | Sebastian von Pötting-Persing † | Bishop of Passau, Germany |
| 12 Mar | 40.3 | Ordained Bishop | Giuseppe di Giacomo † | Bishop of Bovino, Italy |
| 33.6 | Ordained Bishop | Andrea Francolisio (d’Aquino) † | Bishop of Tricarico, Italy | Bishop Emeritus |
| 43.3 | Ordained Bishop | Simon Gaudenti † | Bishop of Ossero (Osor), Croatia |
| 35.2 | Ordained Bishop | Girolamo Passarelli † | Bishop of Isernia, Italy | Archbishop of Salerno, Italy |
| 13 Mar | 62.1 | Died | Carlo de’ Vecchi † | Bishop Emeritus of Chiusi, Italy |
| 51.1 | Appointed | Carlo Falconi † | Bishop of Castellaneta, Italy |
| 60.1 | Appointed | Carlo Pellegrini † | Bishop of Avellino e Frigento, Italy |
| 63.4 | Selected | Johann Hartmann von Rosenbach † | Bishop of Würzburg, Germany |
| 32.4 | 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 |
| 16 Mar | | Born | Franjo Vernić † | | Bishop of Sirmio (Srijem; Sirmium), Croatia |
| 18 Mar | 23.6 | Ordained Priest | Tobias Ján Becker † | Priest of Praha {Prague}, Czechia | Bishop of Hradec Králové, Czechia |
| 23.1 | Ordained Deacon | Biagio Gambaro † | Deacon | Bishop of Telese o Cerreto Sannita, Italy |
| 29.2 | Ordained Priest | Charles de Pradel † | Priest | Bishop of Montpellier, France |
| 19 Mar | | Born | Joăo Cardoso Castelo † | | Auxiliary Bishop of Lisboa {Lisbon}, Portugal |
| 23.1 | Ordained Priest | Biagio Gambaro † | Priest | Bishop of Telese o Cerreto Sannita, Italy |
| 22 Mar | 47.5 | Resigned | Federico Baldeschi (Ubaldi) Colonna † | Secretary of the Congregation for Propagation of the Faith | Cardinal, Prefect of the Congregation of the Council |
| 52.2 | Installed | Jean de Forcoal † | Bishop of Sées {Séez}, France |
| 30 Mar | | Born | Nicolas François Camanis, C.R.A. † | | Abbot of Saint-Maurice, Switzerland |
| Apr | | Born | Francisco de Vasconcellos, S.J. † | | Bishop of Cochin, India |
| 1 Apr | 60.2 | Selected | Francisco Lara † | Bishop of Badajoz, Spain | Archbishop of Zaragoza, Spain |
| 35.2 | Ordained Priest | Benedetto Giacinto Sangermano † | Priest | Bishop of Nusco, Italy |
| 8 Apr | 36.2 | Resigned | Carlo Francesco Airoldi † | Apostolic Internuncio to Belgium | Apostolic Nuncio to Venice, Italy |
| 9 Apr | 59.0 | Died | Cristovăo da Silveira, O.S.A. † | Archbishop of Goa, India |
| 15 Apr | 65.2 | Died | Alonso Francisco Dou † | Bishop of Gerona, Spain |
| 56.2 | Died | Mikołaj Jan Prażmowski † | Archbishop of Gniezno, Poland |
| 16 Apr | 30.2 | Ordained Bishop | Jacques de Goyon de Matignon † | Bishop of Condom, France | Bishop Emeritus |
| 60.2 | Ordained Bishop | Carlo Pellegrini † | Bishop of Avellino e Frigento, Italy |
| 32.5 | Ordained Bishop | Domenico Sorrentino † | Bishop of Ruvo (Ruo)(di Puglia), Italy | Bishop of Vulturara e Montecorvino, Italy |
| 23 Apr | | Born | Jacques de Forbin-Janson † | | Archbishop of Arles, France |
| 26 Apr | 84.3 | Died | Miguel Escartín Arbeza, O. Cist. † | Bishop of Tarazona, Spain |
| 29 Apr | 40.1 | Appointed | Marcello Durazzo † | Apostolic Nuncio to Portugal | Cardinal, Bishop of Faenza, Italy |
| 3 May | 51.3 | Ordained Bishop | Ferdinandus Pállfy ab Erdöd † | Bishop of Csanád, Hungary | Bishop of Eger, Hungary |
| 5 May | 67.3 | Died | Baltasar de los Reyes, O.S.H. † | Bishop of Coria, Spain |
| 8 May | 16.5 | Professed | Vittorio Mazzocca, O.P. † | Member of Order of Friars Preachers | Bishop of Novigrad (Cittanova), Croatia |
| 16 May | | Born | Charles du Plessis d’Argentré † | | Bishop of Tulle, France |
| 19 May | 56.3 | Died | Giovanni Antonio Capobianco † | Bishop of Siracusa, Italy |
| 20 May | | Born | Christoph Franz von Hutten † | | Bishop of Würzburg, Germany |
| 28 May | 50.4 | Appointed | Diego de Castrillo † | Bishop of Cádiz, Spain | Archbishop of Zaragoza, Spain |
| 52.4 | Ordained Bishop | Giacomo Ferdinando de Gorizzutti † | Bishop of Trieste, Italy |
| 29 May | 53.9 | Appointed | Alfonso Álvarez Barba Ossorio, O. Carm. † | Archbishop of Brindisi, Italy | Archbishop of Salerno, Italy |
| 62.4 | Appointed | Stefano de Gaspare † | Bishop of Sapë, Albania |
| 62.2 | Appointed | Francisco de Rois y Mendoza, O. Cist. † | Archbishop of Granada, Spain |
| 69.4 | Appointed | Francisco de Rojas-Borja y Artés † | Archbishop (Personal Title) of Cartagena (en Espańa) | Bishop |
| 44.4 | Appointed | Diego Ros de Medrano † | Bishop of Orense, Spain |
| 30 May | | Born | Johann Anton Wallreuther † | | Auxiliary Bishop of Worms, Germany |
| Jun | 58.2 | Appointed | Antonio Pignatelli del Rastrello † | Secretary of the Congregation of Bishops and Regulars | Pope (Roma {Rome}, Italy) |
| 1 Jun | 19.1 | Entered | Francisco Spinola, S.J. † | Member of Society of Jesus | Priest |
| 11 Jun | 62.4 | Ordained Bishop | Stefano de Gaspare † | Bishop of Sapë, Albania |
| 12 Jun | 47.7 | Elevated to Cardinal | Federico Baldeschi (Ubaldi) Colonna † | In Pectore | Cardinal, Prefect of the Congregation of the Council |
| 33.4 | Confirmed | Daniel-Louis de Baradat † | Bishop of Vabres, France |
| 56.4 | Elevated to Cardinal | Pietro Bassdonna † | Cardinal, Cardinal-Deacon of Santa Maria in Domnica |
| 54.4 | 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 |
| 40.6 | Appointed | Jean-Louis de Fromentičres † | Bishop of Aire, France |
| 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 † | | Archbishop of Otranto, Italy |
| 26 Jun | 36.4 | Appointed | Carlo Francesco Airoldi † | Titular Archbishop of Edessa in Osrhoëne | Apostolic Nuncio to Venice, Italy |
| 54.4 | Appointed | Juan Asensio Barrios, O. de M. † | Bishop of Ávila, Spain | Bishop of Jaén, Spain |
| 60.4 | Confirmed | Francisco Lara † | Bishop of Badajoz, Spain | Archbishop of Zaragoza, Spain |
| 32.2 | Confirmed | Adrian von Riedmatten (V) † | Bishop of Sion {Sitten}, Switzerland |
| 27 Jun | 69.2 | Died | Cesare Cancellotti, C.O. † | Bishop of Montalto (delle Marche), Italy |
| 29 Jun | 24.6 | Ordained Deacon | Marcantonio Chenevix † | Deacon | Bishop of Minervino Murge, Italy |
| Born | Alexius Antonius von Nassau † | | Titular Archbishop of Trapezus |