| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 65.0 | Died | Antonius de Acevedo † | Titular Bishop of Fussala |
| 55.0 | Died | Juan de Argüelles, O.S.A. † | Bishop-Elect of Arequipa, Peru |
| 50.6 | Resigned | Pompilio Berlingieri † | Bishop of Bisignano, Italy | Bishop Emeritus |
| Born | Jean-Baptiste-Marie Bron † | Lyon | Auxiliary Bishop of Lyon, France |
| 58.8 | Resigned | Gabriel de Arregui y Gutiérrez, O.F.M. † | Bishop of Buenos Aires, Argentina | Bishop of Cuzco, Peru |
| Born | Pierre Chapelle de Jumilhac de Cubjac † | Périgord | Bishop of Lectoure, France |
| 26.6 | Ordained Priest | Karl Joseph von Kuenburg † | Priest of Salzburg, Austria | Bishop of Chiemsee, Germany |
| Born | Henri-Gaston de Lévis-Leran † | Leran | Bishop of Pamiers, France |
| Born | Joseph de Saint-André de Marnays de Vercel † | Paris | Bishop of (Saint-Lizier de) Couserans, France |
| 66.0 | Died | Andreas Matusseck † | Bishop of Knin, Croatia |
| Born | Joseph Rolin de Morel de Mons † | Aix | Bishop Emeritus of Viviers (Aps), France |
| 47.0 | Died | Stefan Wierzbowski † | Auxiliary Bishop of Warmia (Ermland), Poland |
| Died | Yurij Vynnyckyj (Winnicki) † | Archbishop of Kyiv-Halyč {Kiev} (Ruthenian), Ukraine |
| 1 Jan | 83.2 | Died | Gianfrancesco Negroni † | Cardinal, Bishop Emeritus of Faenza, Italy |
| 63.3 | Died | St. Giuseppe Maria Tomasi di Lampedusa, C.R. † | Cardinal, Cardinal-Priest of Santi Silvestro e Martino ai Monti |
| 2 Jan | | Born | Ignazio Andrea Sambiase, C.R. † | Licien | Archbishop of Conza, Italy |
| 5 Jan | 41.7 | Ordained Bishop | Simone Marco Palmerini † | Titular Bishop of Heraclea in Europa | Bishop of Assisi, Italy |
| 59.0 | Resigned | Martin de Ratabon † | Bishop of Ypres (Ieper), Belgium | Bishop Emeritus of Viviers (Aps), France |
| 6 Jan | 23.9 | Ordained Priest | Gian Alberto De’ Grandi † | Priest of Chioggia, Italy | Bishop |
| 7 Jan | | Born | Giuseppe Locatelli † | Milan | Titular Archbishop of Cartagine |
| 8 Jan | 22.1 | Ordained Priest | Giovanni Antonio Bacchetoni † | Priest | Bishop of Recanati e Loreto, Italy |
| 15 Jan | | Born | Johann Anton von Wolframsdorf † | Egmating | Auxiliary Bishop of Regensburg, Germany |
| 18 Jan | 44.0 | Selected | Raymund Ferdinand von Rabatta † | Bishop of Passau, Germany |
| 22 Jan | 35.5 | Ordained Deacon | Pier Luigi Carafa (Jr.) † | Deacon | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 23 Jan | 70.4 | Died | Domenico Maria della Ciaja, O.P. † | Bishop of Sovana (Soana), Italy |
| 47.1 | Appointed | Louis-François-Gabriel de Hennin-Liétard † | Bishop of Alès (Alais), France | Archbishop of Embrun, France |
| 28 Jan | | Born | Giovanni Antonio Francisco de Nobili † | Monte Sant'Angelo | Bishop of Larino, Italy |
| 30 Jan | 74.2 | Elevated to Cardinal | Manuel Arias y Porres, O.S.Io.Hieros. † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 38.5 | Appointed | Alessandro Arrigoni † | Bishop of Mantova, Italy |
| 55.8 | Installed | Giovanni Battista (Giambattista) Bussi † | Cardinal-Priest of Santa Maria in Ara Coeli | Cardinal, Bishop of Ancona e Numana, Italy |
| 57.3 | Installed | Agostino Cusani † | Cardinal-Priest of Santa Maria del Popolo | Cardinal, Bishop Emeritus of Pavia, Italy |
| 38.9 | Appointed | Carlo Maria Giuseppe Fornari † | Bishop of Aleria, France | Bishop Emeritus of Albenga, Italy |
| 39.6 | Appointed | João de Mendonça † | Bishop of Guarda, Portugal |
| 33.5 | Elevated to Cardinal | Benedetto Caietano Giuseppe Odescalchi-Erba † | Cardinal, Archbishop Emeritus of Milano {Milan}, Italy |
| 41.7 | Appointed | Simone Marco Palmerini † | Auxiliary Bishop of Sabina, Italy | Bishop of Assisi, Italy |
| 41.7 | Appointed | Simone Marco Palmerini † | Titular Bishop of Heraclea in Europa | Bishop of Assisi, Italy |
| 51.3 | Elevated to Cardinal | Melchior de Polignac † | Cardinal, Archbishop of Auch, France |
| 36.4 | Elevated to Cardinal | Damian Hugo Philipp von Schönborn Bushein † | In Pectore | Cardinal, Bishop |
| 32.6 | Appointed | Adriano Sermattei † | Bishop of Borgo San Donnino, Italy | Bishop of Viterbo e Tuscania, Italy |
| 51.2 | Appointed | Jan Skarbek † | Archbishop of Lviv, Ukraine |
| 66.8 | Elevated to Cardinal | Benito de Sala y de Caramany, O.S.B. † | Cardinal, Bishop of Barcelona, Spain |
| 41.1 | Appointed | Piotr Tarło † | Auxiliary Bishop of Poznań, Poland | Bishop |
| 41.1 | Appointed | Piotr Tarło † | Titular Bishop of Claudiopolis in Honoriade | Bishop of Poznań, Poland |
| 40.3 | Appointed | Hieronymus Alexander Vicentini † | Titular Archbishop of Thessalonica |
| 2 Feb | 75.1 | Died | Francisco de San José Pedro Mesía y Portocarrero, O.F.M. † | Bishop of Málaga, Spain |
| 4 Feb | 64.9 | Died | Giuseppe Maria Bondola, O.F.M. Conv. † | Bishop of Satriano e Campagna, Italy |
| 5 Feb | 38.5 | Ordained Bishop | Alessandro Arrigoni † | Bishop of Mantova, Italy |
| 38.9 | Ordained Bishop | Carlo Maria Giuseppe Fornari † | Bishop of Aleria, France | Bishop Emeritus of Albenga, Italy |
| 8 Feb | 29.8 | Selected | Georg Xaver Marotti † | Coadjutor Bishop of Pedena, Austria | Bishop |
| 13 Feb | 59.4 | Appointed | Pietro Paolo Calorio, C.R.S. † | Bishop of Krk (Veglia), Croatia |
| Appointed | Charles-François de Laval de Montmorency † | Bishop of Ypres (Ieper), Belgium |
| 82.4 | Died | Michele Antonio Vibò † | Archbishop of Torino {Turin}, Italy |
| 14 Feb | | Born | Gregorio Lazzari, O.S.B. † | Dubrovnik | Archbishop of Dubrovnik (Ragusa), Croatia |
| 16 Feb | | Born | Francisco de Solís Folch de Cardona † | Salamanca | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 18 Feb | 47.1 | Selected | Georgius Martonffi † | Bishop of Transilvania, Erdély, Siebenbürgen, Romania |
| 19 Feb | 35.6 | Ordained Priest | Pier Luigi Carafa (Jr.) † | Priest | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 32.6 | Ordained Bishop | Adriano Sermattei † | Bishop of Borgo San Donnino, Italy | Bishop of Viterbo e Tuscania, Italy |
| 21 Feb | 77.1 | Died | Charles-Antoine de la Garde de Chambonas † | Bishop of Viviers (Aps), France |
| 24 Feb | | Born | Antoine-Joseph des Laurents † | Avignon | Bishop of Saint-Malo, France |
| 26 Feb | 52.0 | Ordained Deacon | Curzio Origo † | Deacon | Cardinal, Cardinal-Priest of Sant’Eustachio |
| Mar | 23.1 | Ordained Priest | Jakob Ernst von Liechtenstein-Kastelkorn † | Priest of Salzburg, Austria | Archbishop |
| 9 Mar | | Born | Sebastiano Canepa † | Cornice | Bishop of Nicopoli, Bulgaria |
| 11 Mar | 24.2 | Ordained Priest | Leone Luca Vita † | Priest | Bishop of Oppido Mamertina, Italy |
| 13 Mar | 80.0 | Died | Pierre-Jean-François Percin de Montgaillard † | Bishop of Saint-Pons-de-Thomières, France |
| 16 Mar | | Born | José Patricio de la Cuesta Velarde † | Tudanza | Bishop of Sigüenza, Spain |
| 17 Mar | 36.5 | Died | Johann Leopold von Gudenus † | Auxiliary Bishop of Worms, Germany |
| 24 Mar | 81.5 | Died | Toussaint de Forbin-Janson † | Cardinal, Bishop of Beauvais, France |
| 27 Mar | 35.7 | Appointed | Pier Luigi Carafa (Jr.) † | Titular Archbishop of Larissa in Thessalia | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 31 Mar | | Born | Antoni Kazimierz Ostrowski † | Ostrów | Archbishop of Gniezno, Poland |
| Apr | 29.3 | Selected | Jean-Louis Berton des Balbes de Crillon † | Bishop of Saint-Pons-de-Thomières, France | Archbishop of Narbonne, France |
| 69.3 | Died | Tomaso Giustiniani † | Bishop of Nebbio, France |
| 1 Apr | 30.5 | Appointed | François-Honoré de Beauvillier de Saint-Aignan † | Bishop of Beauvais, France | Bishop Emeritus |
| 22.8 | Ordained Deacon | Jan Aleksander Lipski † | Deacon | Cardinal, Bishop of Kraków, Poland |
| 23.1 | Ordained Priest | Agostino Maria Neuroni, O.F.M. Cap. † | Priest of Order of Friars Minor Capuchin | Bishop of Como, Italy |
| 27.1 | Ordained Priest | Franz Bernardin Verbeck, O.F.M. Conv. † | Priest of Order of Friars Minor Conventual | Auxiliary Bishop of Münster, Germany |
| 3 Apr | | Born | Isidro Rodríguez Lorenzo, O.S.Bas. † | Móstoles, Spain | Archbishop Emeritus of Santo Domingo, Dominican Republic |
| 5 Apr | 72.8 | Died | Otto Wilhelm von Bronckhorst zu Gronsfeld, S.J. † | Auxiliary Bishop of Osnabrück, Germany |
| 6 Apr | | Died | Agostinho da Anunciação † | Archbishop of Goa, India |
| 7 Apr | 60.8 | Died | Pier Paolo Mastrilli † | Bishop of Mottola (Motula), Italy |
| 8 Apr | 71.9 | Died | Leonardo Marsili † | Archbishop of Siena, Italy |
| 9 Apr | 26.7 | Ordained Priest | Orontius Alfarano-Capece † | Priest | Titular Bishop of Oropus |
| 39.3 | Ordained Bishop | Girolamo Grimaldi † | Titular Archbishop of Edessa in Osrhoëne | Cardinal, Cardinal-Priest of Santa Balbina |
| 15 Apr | 24.0 | Ordained Priest | Hijacint Marija Milković, O.P. † | Priest of Order of Friars Preachers | Archbishop of Dubrovnik (Ragusa), Croatia |
| 20 Apr | | Born | Edmond Bennetat, M.E.P. † | Troyes, France | Coadjutor Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viet Nam |
| 70.9 | Died | Ambrogio Croce, O.S.B. † | Bishop of Bobbio, Italy |
| 21 Apr | 80.5 | Died | Paolo Naldini, O.S.A. † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
| 22 Apr | 39.3 | Selected | Nicolas de Malezieu † | Bishop of Lavaur, France |
| 59.3 | Selected | Martin de Ratabon † | Bishop of Viviers (Aps), France | Bishop Emeritus |
| 24 Apr | | Born | Serafino Filangeri, O.S.B. † | Benevento | Archbishop of Napoli {Naples}, Italy |
| 28 Apr | 65.3 | Appointed | Michael Angelus Farfulfi, O.F.M. † | Bishop of Trogir (Traù), Croatia |
| 54.8 | Appointed | Marco Giacinto Gandolfo † | Bishop of Noli, Italy |
| 30 Apr | 39.9 | Ordained Bishop | João de Mendonça † | Bishop of Guarda, Portugal |
| 5 May | | Born | Isidro Carvajal Lancaster † | Toledo | Bishop of Cuenca, Spain |
| 10 May | 33.8 | Appointed | Fabrizio Salerno † | Bishop of Molfetta, Italy |
| 11 May | | Born | Domenico Monti † | Senigallia | Archbishop of Urbino, Italy |
| 16 May | | Born | Tommaso Giannelli † | Vitulano | Bishop of Termoli, Italy |
| 18 May | | Born | Francesco Antonio Scoppa † | S. Caterina | Bishop of Ostuni, Italy |
| 22 May | 65.3 | Appointed | Pedro Aguado, C.R.M. † | Bishop of Pamplona, Spain |
| 48.5 | Appointed | Jan Tobiasz Augustynowicz † | Coadjutor Archbishop of Lviv (Armenian), Ukraine | Archbishop |
| 48.5 | Appointed | Jan Tobiasz Augustynowicz † | Titular Bishop of Himeria | Archbishop of Lviv (Armenian), Ukraine |
| 68.4 | Appointed | Pietro Cavalcante, C.R. † | Bishop of Pozzuoli, Italy |
| 54.7 | Appointed | Bartolomé Cernuda Rico y Piñeros † | Bishop of Plasencia, Spain |
| 48.8 | Appointed | Pedro de Fajardo (Guajardo), O.SS.T. † | Bishop of Buenos Aires, Argentina |
| 67.4 | Appointed | Jan Franciszek Kurdwanowski, S.J. † | Auxiliary Bishop of Warmia (Ermland), Poland |
| 67.4 | Appointed | Jan Franciszek Kurdwanowski, S.J. † | Titular Bishop of Marocco o Marruecos, Titular Sees | Auxiliary Bishop of Warmia (Ermland), Poland |
| 46.4 | Confirmed | Jean-Ernest de Löwenstein-Wertheim † | Bishop of Tournai {Doornik}, Belgium |
| 30.1 | Appointed | Georg Xaver Marotti † | Titular Bishop of Dardanus | Bishop of Pedena, Austria |
| 30.1 | Confirmed | Georg Xaver Marotti † | Coadjutor Bishop of Pedena, Austria | Bishop |
| 43.4 | Appointed | Stefan Bogusław Rupniewski † | Auxiliary Bishop of Lviv, Ukraine | Bishop of Lutsk (Łuck), Ukraine |
| 43.4 | Appointed | Stefan Bogusław Rupniewski † | Titular Bishop of Lycopolis | Bishop of Lutsk (Łuck), Ukraine |
| 45.5 | Confirmed | Luis de Salcedo y Azcona † | Bishop of Coria, Spain | Archbishop of Sevilla {Seville}, Spain |
| 36.4 | Appointed | Jan Feliks Szaniawski † | Auxiliary Bishop of Chełm, Poland | Bishop |
| 33.0 | Confirmed | Krzysztof Andrzej Jan Szembek † | Bishop of Chełm, Poland | Bishop of Warmia (Ermland), Poland |
| 62.4 | Appointed | Felipe Ignacio Trujillo y Guerrero † | Bishop of Michoacán, México |
| 42.5 | Appointed | Vicko Zmajević † | Archbishop of Zadar (Zara), Croatia |
| 23 May | | Born | Andrea Torre † | Amalfi | Bishop of Minori, Italy |
| 24 May | | Born | Josef Maria von Thun und Hohenstein † | Trento | Bishop of Passau, Germany |
| 26 May | 46.0 | Appointed | Giorgio Spínola † | Apostolic Nuncio to Austria | Cardinal, Cardinal-Bishop of Palestrina |
| 28 May | 68.4 | Ordained Bishop | Pietro Cavalcante, C.R. † | Bishop of Pozzuoli, Italy |
| 30 May | | Born | Francisco Garrido de la Vega † | San Martín de Berducido | Bishop of Córdoba, Spain |
| 5 Jun | | Ordained Bishop | Charles-François de Laval de Montmorency † | Bishop of Ypres (Ieper), Belgium |
| 6 Jun | 30.1 | Ordained Bishop | Georg Xaver Marotti † | Titular Bishop of Dardanus | Bishop of Pedena, Austria |
| 10 Jun | 23.4 | Ordained Priest | Marcello Papiniano-Cusani † | Priest | Archbishop Emeritus of Palermo, Italy |
| 23.0 | Ordained Priest | Giovanni Battista Tarugi † | Priest | Bishop of Chiusi, Italy |
| 17 Jun | | Born | Antonio Eugenio Visconti † | Milan, Italy | Cardinal, Cardinal-Priest of Santa Croce in Gerusalemme |
| 20 Jun | | Born | Cesare Antonio Caracciolo, C.R. † | Tarentin | Archbishop of Conza, Italy |
| 22 Jun | 49.8 | Selected | Louis-François Du Plessis de Mornay, O.F.M. Cap. † | Coadjutor Bishop of Québec, Canada | Bishop Emeritus |
| 23 Jun | 52.8 | Died | Matthäus Joseph Ignaz Vitzki † | Prefect of Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany |
| 24 Jun | 22.9 | Ordained Priest | Mondilio Orsini, C.O. † | Priest of Confederation of Oratorians of St. Philip Neri | Archbishop Emeritus of Capua, Italy |
| 29 Jun | | Born | Pietro Maria Franzesi † | Monte San Savino | Bishop of Montepulciano, Italy |
| 30 Jun | | Appointed | Eustace Brown † | Bishop of Killaloe, Ireland |
| 28.1 | Ordained Priest | Agostino Giannini † | Priest | Bishop of Lettere (-Gragnano), Italy |