| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 52.0 | Resigned | Humbert Ancelin † | Bishop of Tulle, France | Bishop Emeritus |
| Born | Joseph Bruno de Bausset-Roquefort † | Aubagne | Bishop of Béziers, France |
| Born | Nicolas de Bouillé de Saint-Géran † | Saint-Flour | Bishop of Autun, France |
| Born | Jean de Brunet de Pujols de Castelpers de Panat † | Ruthenen | Auxiliary Bishop of Albi, France |
| Born | Paulo de Carvalho de Mendoça † | Cardinal, |
| Born | Jean-Gaspard-Gilbert de Chabannas † | Riom | Bishop of Agen, France |
| Born | Guillaume d’Arche † | Bordeaux | Bishop of Bayonne, France |
| Born | Auguste-César d’Hervilly de Devise † | | Bishop of Boulogne (-Sur-Mer), France |
| 52.2 | Died | Antonio da Penha de Franca, O.A.D. † | Bishop of São Tomé e Príncipe |
| Born | Jean-Louis de Gouyon de Vaudurand † | Vannes | Bishop Emeritus of Saint-Pol-de-Léon, France |
| 38.2 | Ordained Bishop | Franz Anton von Harrach zu Rorau † | Bishop of Wien, Austria | Archbishop of Salzburg, Austria |
| Born | Joannes Bapt. Nicolovich † | Scopien | Archbishop of Skopje, Macedonia |
| 34.5 | Appointed | Pietro Ottoboni † | Archpriest of the Basilica di Santa Maria Maggiore {Saint Mary Major Basilica} | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 70.0 | Died | Sancho de Andrade de Figueroa † | Bishop of Quito, Ecuador |
| 53.9 | Resigned | Pedro de Palacios y Tenorio, O.P. † | Bishop of Guadix, Spain | Bishop Emeritus |
| 74.2 | Died | Antonio Primi, O.F.M. † | Bishop of Trebinje e Mrkan, Bosnia and Herzegovina |
| 26.9 | Appointed | Franz Anton Adolph von Wagensperg † | Bishop of Seckau, Austria | Bishop of Chiemsee, Germany |
| 26.9 | Ordained Bishop | Franz Anton Adolph von Wagensperg † | Bishop of Seckau, Austria | Bishop of Chiemsee, Germany |
| Jan | 71.3 | Died | Gaetano De Andrea, C.R. † | Bishop of Monopoli, Italy |
| Born | Manuel Jiménez Bretón † | Orduna | Bishop-Elect of Caracas, Santiago de Venezuela |
| 3 Jan | 71.2 | Died | Luis de Sousa † | Cardinal, Archbishop of Lisboa {Lisbon}, Portugal |
| 7 Jan | 38.3 | Succeeded | Franz Anton von Harrach zu Rorau † | Bishop of Wien, Austria | Archbishop of Salzburg, Austria |
| 68.0 | Died | Ernst von Trautson zu Falkenstein † | Bishop of Wien, Austria |
| 8 Jan | 50.7 | Ordained Bishop | Edme Bélot, M.E.P. † | Titular Bishop of Basilinopolis | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viet Nam |
| 9 Jan | 50.0 | Died | Pedro Díaz de Cienfuegos † | Bishop of Trujillo, Peru |
| 12 Jan | | Born | Józef Andrzej Załuski † | | Bishop of Kyiv and Chernihiv (Kijów and Czernihow), Ukraine |
| 15 Jan | 22.9 | Ordained Priest | Cristoforo Lorenzo Baratta † | Priest | Bishop of Fossano, Italy |
| 22.9 | Ordained Priest | Francesco Pertusati, O.S.B. † | Priest of Order of Saint Benedict | Bishop of Pavia, Italy |
| 18 Jan | | Born | José Alcaraz Belluga † | Motril | Bishop Emeritus of Tarazona, Spain |
| 22 Jan | 53.1 | Ordained Bishop | Diego Gorospe de Irala, O.P. † | Bishop of Nueva Segovia, Philippines |
| Born | Louis-Albert Joly de Choin † | Bourg-en-Bresse | Bishop of Toulon, France |
| 23 Jan | 36.3 | Appointed | Filippo Meda † | Bishop of Conversano, Italy |
| 48.1 | Appointed | Jacopo Maria Rossi † | Bishop of Massa Lubrense, Italy |
| 24 Jan | | Born | François de Crussol d’Uzès † | Montmaur | Archbishop of Toulouse, France |
| 25 Jan | | Born | Franz Anton von Engel in Wagrain † | Milbach | Bishop of Csanád, Hungary |
| 29 Jan | 41.6 | Ordained Priest | Giovanni Francesco Leoni † | Priest | Bishop of San Severino (Marche), Italy |
| 36.3 | Ordained Bishop | Filippo Meda † | Bishop of Conversano, Italy |
| 43.1 | Ordained Deacon | Giambattista Patrizi † | Deacon | Cardinal, Titular Archbishop of Seleucia in Isauria |
| Feb | | Born | Pedro Pardo de Figueroa † | Tinta | Archbishop of Guatemala |
| Born | Giuseppe Antonio Passanti † | Salce | Bishop of Montemarano, Italy |
| 2 Feb | 47.1 | Ordained Bishop | Raimondo Lezzoli, O.P. † | Titular Bishop of Olena | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viet Nam |
| 43.1 | Ordained Priest | Giambattista Patrizi † | Priest | Cardinal, Titular Archbishop of Seleucia in Isauria |
| 4 Feb | 69.0 | Died | Louis Foucquet † | Bishop of Agde, France |
| 5 Feb | 43.3 | Ordained Priest | Sebastiano Venieri † | Priest | Bishop of Vicenza, Italy |
| 6 Feb | 51.6 | Confirmed | Paul de Chaulnes † | Bishop of Sarlat, France | Bishop of Grenoble, France |
| 34.9 | Confirmed | Jean-Louis Cotyon de La Bourdonnaye † | Bishop of Saint-Pol-de-Léon, France |
| 46.1 | Appointed | Filippo della Torre † | Bishop of Adria, Italy |
| 55.1 | Appointed | Silvestre García Escalona † | Bishop of Tortosa, Spain | Bishop of Salamanca, Spain |
| 43.1 | Appointed | Giambattista Patrizi † | Cardinal, Titular Archbishop of Seleucia in Isauria |
| Born | Giovanni Carmine Pellerano, O.S.Io.Hieros. † | Mazarien | Bishop Emeritus of Malta |
| 29.9 | Appointed | Luis Simões Brandão † | Bishop of Angola e Congo, Angola | Bishop Emeritus |
| 15 Feb | 66.1 | Died | Jean-Armand de Rotondy de Biscarras † | Bishop of Béziers, France |
| 16 Feb | | Born | Pedro Albornoz Tapia † | Valencia | Bishop of Orihuela, Spain |
| 19 Feb | 51.1 | Ordained Bishop | Blas Serrate † | Bishop of Tarazona, Spain |
| Mar | | Born | Salvator dos Reis, S.J. † | Settalcarias, Portugal | Archbishop of Cranganore (Angamala), India |
| 2 Mar | 76.2 | Died | Giuseppe de Lazzara † | Bishop of Alife, Italy |
| 46.2 | Died | Antoine Girard de La Bornat (La Bournat) † | Bishop of Poitiers, France |
| 76.2 | Died | Sébastien de Guémadeuc † | Bishop of Saint-Malo, France |
| 7 Mar | 64.2 | Died | Felipe Galindo Chávez y Pineda, O.P. † | Bishop of Guadalajara, Jalisco, México |
| 11 Mar | 27.5 | Ordained Priest | Giovanni Antonio Guadagni, O.C.D. † | Priest of Order of Discalced Carmelites | Cardinal, Bishop of Porto e Santa Rufina, Italy |
| 13 Mar | 81.2 | Died | Denis Sanguin de Livry † | Bishop of Senlis, France |
| 14 Mar | | Born | Jean-François de Chastellard de Montillet de Grenaud † | Champdore en Bugey | Archbishop of Auch, France |
| 15 Mar | 80.8 | Died | Bartolomeo Menatti † | Bishop of Lodi, Italy |
| 60.2 | Confirmed | Diego Morcillo Rubio de Suñón de Robledo, O.SS.T. † | Bishop of Nicaragua | Archbishop of Lima, Peru |
| 16 Mar | 62.0 | Died | Jerzy Albrecht Denhoff † | Bishop of Kraków, Poland |
| 17 Mar | | Born | Luigi Mattei † | Rome, Italy | Cardinal, Cardinal-Priest of Santa Maria in Ara Coeli |
| 19 Mar | 46.2 | Ordained Bishop | Filippo della Torre † | Bishop of Adria, Italy |
| 22 Mar | 78.6 | Died | Michelangelo Cotignola † | Bishop Emeritus of Ischia, Italy |
| 24 Mar | 29.5 | Professed | Antônio de Guadalupe, O.F.M. † | Member of Order of Friars Minor | Bishop of Viseu, Portugal |
| 22.0 | Ordained Priest | Angelo Maria Quirini (Querini), O.S.B. † | Priest of Order of Saint Benedict | Cardinal, Bishop of Brescia, Italy |
| 25 Mar | 60.2 | Resigned | Giambattista Rubini † | Bishop of Vicenza, Italy | Cardinal, Bishop Emeritus |
| 26 Mar | 51.7 | Ordained Bishop | Paul de Chaulnes † | Bishop of Sarlat, France | Bishop of Grenoble, France |
| Apr | 78.7 | Died | Antonio del Río Colmenares † | Archbishop of Acerenza e Matera, Italy |
| 60.9 | Died | Franciscus Jany † | Bishop of Sirmio (Srijem; Sirmium), Croatia |
| 1 Apr | 24.2 | Ordained Priest | Marco Antonio De Marco † | Priest | Archbishop of Manfredonia, Italy |
| 24.9 | Ordained Priest | Dominicus Laymo † | Priest | Bishop of Vulturara e Montecorvino, Italy |
| 3 Apr | 63.4 | Appointed | Manuel Arias y Porres, O.S.Io.Hieros. † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 52.7 | Confirmed | Tobias Ján Becker † | Bishop of Hradec Králové, Czech Republic |
| 52.6 | Died | Johann Franz von Khuen zu Liechtenberg † | Bishop of Brixen {Bressanone}, Italy |
| 43.0 | Appointed | Francisco Antonio de Borja-Centelles y Ponce de Léon † | Cardinal, Archbishop of Burgos, Spain |
| 43.0 | Died | Francisco Antonio de Borja-Centelles y Ponce de Léon † | Cardinal, Archbishop of Burgos, Spain |
| 5 Apr | 45.3 | Selected | Jean-François Chamillart † | Bishop of Senlis, France |
| 6 Apr | 65.2 | Died | Francesco Giusti † | Bishop of Camerino, Italy |
| 12 Apr | 70.3 | Died | Matteo Cosentino † | Bishop of Anglona-Tursi, Italy |
| 14 Apr | | Born | Domenico Rovegno † | S. Ioannis Palagorii | Archbishop of Brindisi, Italy |
| 15 Apr | 36.2 | Ordained Priest | Valentinus Matthias Arcemberski † | Priest | Bishop of Kyiv and Chernihiv (Kijów and Czernihow), Ukraine |
| 50.8 | Selected | André-Daniel de Beaupoil de Saint-Aulaire † | Bishop of Tulle, France | Bishop Emeritus |
| 44.9 | Selected | Vincent-François des Maretz † | Bishop of Saint-Malo, France |
| 47.3 | Selected | Jean-Claude de La Poype de Vertrieu † | Bishop of Poitiers, France |
| 44.9 | Selected | Philibert-Charles de Pas de Feuquieres † | Bishop of Agde, France |
| 36.6 | Selected | François-Elie de Voyer de Paulmy d’Argenson † | Bishop of Dol, France | Archbishop of Bordeaux, France |
| 24.9 | Ordained Priest | Johann Adam von Wratislaw von Mitrowitz † | Priest of Praha {Prague}, Czech Republic | Bishop of Litoměřice, Czech Republic |
| 23.3 | Ordained Priest | Franciszek Ignacy Wysocki † | Priest of Warszawa, Poland | Auxiliary Bishop-Elect of Chelmno (Culma, Kulm), Poland |
| 20 Apr | 69.3 | Died | Marcantonio Zollio † | Bishop of Crema, Italy |
| 21 Apr | 40.3 | Appointed | Louis-Charles Des Alris du Rousset † | Bishop of Béziers, France |
| 23 Apr | 24.5 | Ordained Priest | Pietro Abbondio Battiloro † | Priest | Bishop of Alife, Italy |
| 35.2 | Ordained Bishop | Jean-Louis Cotyon de La Bourdonnaye † | Bishop of Saint-Pol-de-Léon, France |
| 30 Apr | 55.3 | Ordained Bishop | Silvestre García Escalona † | Bishop of Tortosa, Spain | Bishop of Salamanca, Spain |
| Born | Antonio Sánchez Sardinero † | Talavera de la Reina | Bishop of Huesca, Spain |
| 2 May | 72.3 | Died | Guillaume de La Brunetière du Plessis-Gesté † | Bishop of Saintes, France |
| 57.3 | Died | Charles de Villeneuve de Vence † | Bishop of Glandèves, France |
| 7 May | 53.4 | Resigned | Petrus Codde, C.O. † | Vicar Apostolic of Batavia (Holland Mission), Netherlands | Vicar Apostolic Emeritus |
| 53.4 | Resigned | Petrus Codde, C.O. † | Titular Archbishop of Sebastea | Vicar Apostolic Emeritus of Batavia (Holland Mission), Netherlands |
| 8 May | | Born | Wojciech Stanisław Leski, O. Cist. † | Sarnowo | Bishop of Chelmno (Culma, Kulm), Poland |
| 38.4 | Appointed | Ildefonso de Mena y Borja † | Bishop of Calahorra y La Calzada, Spain |
| 43.6 | Appointed | Sebastiano Venieri † | Bishop of Vicenza, Italy |
| 11 May | 60.4 | Died | Scipione Negrelli † | Bishop of San Severino (Marche), Italy |
| 12 May | 51.4 | Appointed | Francisco Antonio de la Portilla, O.F.M. † | Bishop of Mallorca, Spain |
| 56.4 | Appointed | Nicolás Urbán de la Mota y Haro † | Bishop of La Paz, Bolivia |
| 14 May | 52.8 | Ordained Bishop | Tobias Ján Becker † | Bishop of Hradec Králové, Czech Republic |
| 26.9 | Ordained Priest | Conone Luchini dal Verme † | Priest | Bishop of Ostuni, Italy |
| 16 May | | Born | Giuseppe Campanile † | Barletta | Bishop of Ascoli Satriano, Italy |
| 20 May | 53.9 | Died | Daniel de Francheville † | Bishop of Périgueux (Vesuna), France |
| 49.8 | Died | Rudolf Joseph von Thun † | Bishop of Seckau, Austria |
| 21 May | 58.4 | Appointed | José Sicardo, O.S.A. † | Archbishop of Sassari, Italy |
| 28 May | 63.6 | Ordained Bishop | Manuel Arias y Porres, O.S.Io.Hieros. † | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 29 May | | Born | Mihály Karl (Michele Carlo) von Althan † | Glatz | Bishop of Vác, Hungary |
| Jun | 53.2 | Died | Scipio Carocci (Carocius) † | Bishop of Acerno, Italy |
| 3 Jun | 56.4 | Selected | Pierre Clément † | Bishop of Périgueux (Vesuna), France |
| 60.4 | Selected | César de Sabran † | Bishop of Glandèves, France |
| 4 Jun | 23.3 | Ordained Priest | Domenico Maria de Liguori (Liguoro), C.R. † | Priest of Congregation of Clerics Regular | Bishop of Cava (de’ Tirreni), Italy |
| 7 Jun | 64.4 | Died | Benedetto Giacinto Sangermano † | Bishop of Nusco, Italy |
| 8 Jun | 31.3 | Selected | Kaspas Ignaz von Künigl zu Ehrenburg † | Bishop of Brixen {Bressanone}, Italy |
| 9 Jun | | Born | Franciscus Casimirus Dowgiałło Zawisza † | Szakinovien | Auxiliary Bishop of Foreign Diocese |
| 10 Jun | 44.0 | Ordained Priest | Pier Marcellino Corradini † | Priest | Cardinal, Bishop of Frascati, Italy |
| 24.0 | Ordained Deacon | Marcello Passari † | Deacon | Cardinal, Cardinal-Priest of Santa Maria in Ara Coeli |
| 24.0 | Ordained Priest | Marcello Passari † | Priest | Cardinal, Cardinal-Priest of Santa Maria in Ara Coeli |
| 12 Jun | 58.4 | Appointed | Francisco Cisneros y Mendoza † | Auxiliary Bishop of Lima, Peru |
| 58.4 | Appointed | Francisco Cisneros y Mendoza † | Titular Bishop of Mactaris | Auxiliary Bishop of Lima, Peru |
| 50.4 | Confirmed | Gabriel de Cosnac † | Bishop of Die, France | Bishop Emeritus |
| 20 Jun | 87.5 | Died | John Leyburn † | Vicar Apostolic of London District, England, Great Britain | Vicar Apostolic of England, Great Britain |
| 77.5 | Died | Francesco Pannocchieschi † | Archbishop of Pisa, Italy |
| 64.1 | Died | Ippolito Vicentini † | Bishop of Rieti, Italy |
| 21 Jun | 37.3 | Confirmed | Franz Joseph Supersaxo † | Bishop of Sion {Sitten}, Switzerland |
| 37.3 | Ordained Bishop | Franz Joseph Supersaxo † | Bishop of Sion {Sitten}, Switzerland |
| 25 Jun | | Born | Antonio Sersale † | Sorrento | Cardinal, Archbishop of Napoli {Naples}, Italy |