| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Born | Antonio Claudio Alvarez de Quiñones † | Alcalá de Henares, Spain | Archbishop of Santafé en Nueva Granada, Colombia |
| 47.0 | Died | Andrés de Angulo † | Bishop of Segovia, Spain |
| 39.0 | Died | Maximilien Bormann † | Auxiliary Bishop of Trier, Germany |
| 47.0 | Died | Pedro Cárdenas y Arbieto † | Bishop of Santa Cruz de la Sierra, Bolivia |
| 51.1 | Died | Stefano David † | Bishop of Krk (Veglia), Croatia |
| Died | Alphonsus de la Peña Montenegro † | Bishop of Quito, Ecuador |
| 24.3 | Ordained Priest | Gabriele de Marchis † | Priest | Bishop of Sora, Italy |
| 31.0 | Ordained Priest | François de Nettancourt d’Haussonville de Vaubecourt † | Priest | Bishop Emeritus of Montauban, France |
| 38.0 | Selected | Pedro da Silva, O.S.A. † | Bishop of Cochin, India |
| 23.3 | Ordained Priest | Louis-François Du Plessis de Mornay, O.F.M. Cap. † | Priest of Order of Friars Minor Capuchin | Bishop Emeritus of Québec, Canada |
| 24.5 | Ordained Priest | Louis-Gaston Fleuriau d’Armenonville † | Priest | Bishop of Orléans, France |
| 29.5 | Ordained Priest | Feliks Ignacy Kretkowski † | Priest of Chelmno (Culma, Kulm), Poland | Bishop |
| 24.7 | Professed | Johann Raymund Guidobald von Lamberg, O.F.M. Cap. † | Member of Order of Friars Minor Capuchin | Auxiliary Bishop of Passau, Germany |
| Born | Charles-François Le Févre de Laubriéres † | | Bishop of Soissons, France |
| Born | Charles-Louis-Auguste Le Tonnelier de Breteuil † | Paris | Bishop of Rennes, France |
| Died | Mikolaj Oborski † | Auxiliary Bishop of Kraków, Poland |
| 36.1 | Died | Giovanni Alfonso Petrucci † | Bishop of Belcastro, Italy |
| Born | Juan Angel Rodríguez, O.SS.T. † | Medina del Campo, Spain | Archbishop of Manila, Philippines |
| 24.2 | Ordained Priest | Louis François Rossius de Liboy † | Priest of Liège, Belgium | Auxiliary Bishop |
| Born | Gregorius Sorger † | Abauren | Bishop of Transilvania, Erdély, Siebenbürgen, Romania |
| 57.0 | Appointed | Claude de Saint-Georges † | Bishop of Tours, France | Archbishop of Lyon, France |
| Born | Louis-François de Vivet de Montclus † | Nimes | Bishop of Alès (Alais), France |
| 60.0 | Died | Joannes Constantinus Wozuczynski † | Auxiliary Bishop of Chełm, Poland |
| Born | Lawrence William York, O.S.B. † | London | Vicar Apostolic Emeritus of Western District, England, Great Britain |
| Born | Tomasz Załęski, O.P. † | Luceorien | Bishop-Elect of Bacău, Romania |
| 4 Jan | | Born | Anton Joseph von Lamberg † | S. Bartholomaei | Auxiliary Bishop Emeritus of Passau, Germany |
| 7 Jan | 44.0 | Appointed | Armand de Montmorin de Saint-Hérem † | Bishop of Die, France | Archbishop of Vienne, France |
| 69.4 | Died | Hyacinthe Serroni, O.P. † | Archbishop of Albi, France |
| 14 Jan | 72.0 | Died | Lorenzo Raggi † | Cardinal, Cardinal-Bishop of Palestrina |
| 18 Jan | 40.0 | Selected | Charles Le Goux de la Berchère † | Archbishop of Albi, France | Archbishop of Narbonne, France |
| 19 Jan | 60.6 | Selected | Daniel de Cosnac † | Archbishop of Aix, France |
| Born | Gaspar Miranda Argáiz † | Calahorra | Bishop of Pamplona, Spain |
| 27 Jan | | Born | Francesco Antonio Razzolini, O.F.M. Conv. † | Asilo | Bishop Emeritus of Santorini {Thira}, Greece |
| 29 Jan | | Born | Bernardo Bernardi, O.F.M. Conv. † | Bologna | Bishop of Acquapendente, Italy |
| 31 Jan | 59.3 | Died | Francisco Varo, O.P. † | Priest of Order of Friars Preachers |
| Feb | | Born | Alessandro Magno, O. Cist. † | Cusentin | Bishop of San Marco (Argentano), Italy |
| 82.1 | Died | Stefano Martini † | Bishop of Noli, Italy |
| 3 Feb | | Born | Johann Gottfried Groß von Trockau † | Weldenstein Neuhaus | Auxiliary Bishop of Eichstätt, Germany |
| Born | Antonio Zavarroni † | Mont'Alto | Bishop of Tricarico, Italy |
| 4 Feb | | Born | Jean-François de Macheco de Prémeaux † | Dijon | Bishop of (Saint-Lizier de) Couserans, France |
| 5 Feb | 32.1 | Appointed | Arthus de Lionne, M.E.P. † | Coadjutor Vicar Apostolic of Se-Ciuen (Setchoan), China | Vicar Apostolic |
| 32.1 | Appointed | Arthus de Lionne, M.E.P. † | Titular Bishop of Rosalia | Vicar Apostolic of Se-Ciuen (Setchoan), China |
| 35.1 | Appointed | Charles Maigrot, M.E.P. † | Vicar Apostolic of Fo-Kien, China | Vicar Apostolic Emeritus |
| 35.1 | Appointed | Charles Maigrot, M.E.P. † | Titular Bishop of Comana Armeniae | Vicar Apostolic Emeritus of Fo-Kien, China |
| Born | Callisto Maria (Vincenzo Antonio) Palombella † | Ischia | Bishop of Terracina, Priverno e Sezze, Italy |
| Appointed | François Perez † | Vicar Apostolic of Cochin {Cocincina}, Viet Nam |
| Appointed | François Perez † | Titular Bishop of Bugia | Vicar Apostolic of Cochin {Cocincina}, Viet Nam |
| 59.3 | Appointed | Francisco Varo, O.P. † | Titular Bishop of Lydda | Priest of Order of Friars Preachers |
| 7 Feb | 62.5 | Died | Michel Amelot de Gournay † | Archbishop of Tours, France |
| 9 Feb | 22.9 | Ordained Priest | François Amédée Milliet d’Arvillars † | Priest | Archbishop of Tarentaise (Moûtiers-en-Tarentaise), France |
| 23 Feb | 34.7 | Ordained Priest | Giovanbattista Carafa † | Priest | Bishop of Nocera de’ Pagani, Italy |
| 27 Feb | | Born | Matteu D’Angelis † | Nuntiae | Bishop of Aleria, France |
| 2 Mar | | Born | François-Hyacinthe de La Fruglaye de Kervers † | Saint-Martin-des-Prés, France | Bishop of Tréguier, France |
| 23.0 | Ordained Priest | Luca Trapani † | Priest | Bishop of Tricarico, Italy |
| 3 Mar | 72.9 | Appointed | Antonio Bichi † | Cardinal-Bishop of Palestrina | Cardinal, Bishop of Osimo, Italy |
| 71.3 | Appointed | Raimondo Capizucchi, O.P. † | Cardinal, Cardinal-Priest of Santa Maria degli Angeli |
| 54.2 | Appointed | Fernando de Carvajal y Ribera (Rivera), O. de M. † | Archbishop of Santo Domingo, Dominican Republic |
| 51.2 | Appointed | José Cosio Barreda † | Bishop of Salamanca, Spain |
| 36.5 | Appointed | Ferdinando d’Adda † | Titular Archbishop of Amasea | Cardinal, Cardinal-Bishop of Albano |
| 36.5 | Appointed | Ferdinando d’Adda † | Apostolic Nuncio to Great Britain | Cardinal, Cardinal-Bishop of Albano |
| 61.2 | Confirmed | Christoph de Rojas y Spinola, O.F.M. † | Bishop of Wiener Neustadt, Austria |
| 53.9 | Appointed | Enrico Vialardi, B. † | Bishop of Mantova, Italy |
| 6 Mar | | Died | Filippo Jacobio (Giacomo) † | Bishop Emeritus of Policastro, Italy |
| 7 Mar | | Died | Stefan Wierzbowski † | Bishop of Poznań, Poland |
| 9 Mar | 53.9 | Ordained Bishop | Enrico Vialardi, B. † | Bishop of Mantova, Italy |
| 13 Mar | 64.2 | Died | Andreas de La Moneda, O.S.B. † | Bishop of Almería, Spain |
| 15 Mar | 68.2 | Died | Jacques de Fieux † | Bishop of Toul, France |
| 24.9 | Ordained Priest | Matthaeus Giannicio † | Priest | Bishop of Scardona (Skradin), Italy |
| 27.5 | Ordained Priest | Johann Sigmund von Kuenburg † | Priest of Salzburg, Austria | Bishop of Chiemsee, Germany |
| 23.2 | Ordained Priest | Pietro Antonio Pini † | Priest | Bishop of Polignano (Polinianum), Italy |
| Born | Costantino Serra, C.R.S. † | Genova | Bishop of Albenga, Italy |
| 37.6 | Ordained Priest | Georg Sigismund von Sinnersberg † | Priest of Trento, Italy | Auxiliary Bishop |
| 17 Mar | 82.2 | Died | Nestor Rita † | Titular Archbishop of Sebaste in Cilicia |
| 19 Mar | 26.2 | Ordained Priest | Sigmund Carl von Castel-Barco † | Priest of Salzburg, Austria | Bishop of Chiemsee, Germany |
| 29 Mar | 29.8 | Selected | Henri-Pons de Thiard de Bissy † | Bishop of Toul, France | Cardinal, Bishop of Meaux, France |
| 31 Mar | 48.2 | Ordained Priest | Leonardo Cassiani † | Priest | Bishop of Teramo, Italy |
| 2 Apr | 61.0 | Selected | Johann Markus Rosetti † | Bishop of Pedena, Austria |
| 6 Apr | | Died | Giovanni Antonio Melzi † | Archbishop of Capua, Italy |
| 42.9 | Ordained Bishop | Marquard Sebastian von Schenk von Stauffenberg † | Bishop of Bamberg, Germany |
| 42.9 | Ordained Priest | Marquard Sebastian von Schenk von Stauffenberg † | Priest of Bamberg, Germany | Bishop |
| 10 Apr | 60.3 | Died | István Sennyey † | Bishop of Veszprém, Hungary |
| 12 Apr | | Born | Charles-François Couton (Cantoni) † | Ronco | Bishop of Nice, France |
| 13 Apr | 35.2 | Ordained Priest | Johann Philipp von Greifenclau zu Vollraths † | Priest of Mainz, Germany | Bishop of Würzburg, Germany |
| 28 Apr | 46.9 | Appointed | Tommaso Caracciolo, O.S.B. † | Bishop of Gerace, Italy |
| 55.3 | Appointed | Juan de los Ríos y Berriz † | Bishop of Santa Cruz de la Sierra, Bolivia |
| 37.0 | Appointed | Sebastiano Antonio Tanara † | Titular Archbishop of Damascus | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 29 Apr | 52.3 | Appointed | Antonio Ibáñez de la Riva Herrera † | Archbishop of Zaragoza, Spain |
| 30 Apr | 37.1 | Appointed | Sebastiano Antonio Tanara † | Apostolic Nuncio to Germany | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 1 May | 36.7 | Ordained Bishop | Ferdinando d’Adda † | Titular Archbishop of Amasea | Cardinal, Cardinal-Bishop of Albano |
| 3 May | 64.5 | Died | Maximilian Gandolf von Kuenburg † | Cardinal, Archbishop of Salzburg, Austria |
| 4 May | 46.9 | Ordained Bishop | Tommaso Caracciolo, O.S.B. † | Bishop of Gerace, Italy |
| 10 May | 33.5 | Appointed | Simon Judas Thaddäus Schmidt † | Auxiliary Bishop of Freising, Germany |
| 33.5 | Appointed | Simon Judas Thaddäus Schmidt † | Titular Bishop of Tricale | Auxiliary Bishop of Freising, Germany |
| 11 May | 74.5 | Died | François Faure † | Bishop of Amiens, France |
| 12 May | | Appointed | Nicolás Delgado, O.F.M. † | Bishop of Nicaragua |
| Appointed | Victorino do Porto, O.F.M. † | Bishop of Santiago de Cabo Verde |
| 58.4 | Appointed | György Fenessy † | Bishop of Eger, Hungary |
| 34.4 | Appointed | Matias de Figueiredo e Mello † | Bishop of Olinda, Brazil |
| 37.8 | Confirmed | Johann Franz von Khuen zu Liechtenberg † | Bishop of Brixen {Bressanone}, Italy |
| Appointed | Manoel da Ressurreição, O.F.M. † | Archbishop of São Salvador da Bahia, Brazil |
| 31.1 | Appointed | Francesco Giacinto Valperga di Masino † | Bishop of Saint-Jean-de-Maurienne, France |
| 18 May | 54.4 | Selected | François Bochart de Saron de Champigny † | Bishop of Clermont, France |
| 33.9 | Selected | Henri Feydeau de Brou † | Bishop of Amiens, France |
| 19 May | 23.0 | Ordained Priest | Dionigi Gioacchino Belmont † | Priest | Bishop of Alghero, Italy |
| 1 Jun | 24.6 | Ordained Priest | Augusto Antonio Zacco † | Priest | Bishop of Treviso, Italy |
| 8 Jun | | Born | Juan Mateo López Sáenz, C.R.M. † | Agreda | Bishop of Cartagena (en España) |
| 9 Jun | 38.2 | Appointed | Diego Ibáñez de la Madrid y Bustamente † | Bishop of Ceuta, Spain |
| 45.4 | Appointed | João Franco de Oliveira † | Bishop of Angola e Congo, Angola | Bishop of Miranda (do Douro), Portugal |
| 51.1 | Installed | Pier Matteo Petrucci, C.O. † | Cardinal-Priest of San Marcello | Cardinal, Bishop Emeritus of Jesi, Italy |
| Appointed | Sebastião de São Paulo, O.F.M. † | Bishop of São Tomé e Príncipe |
| 11 Jun | | Born | Antonio Maria Ruffo † | Bagnara, Italy | Cardinal, Cardinal-Priest of San Silvestro in Capite |
| 17 Jun | 72.5 | Died | Joseph de Montpezat de Carbon † | Archbishop of Toulouse, France |
| 19 Jun | | Born | José Cepeda † | La Puebla de Montalbán | Bishop of Mallorca, Spain |
| 21 Jun | | Born | Francesco Trevisan Suarez † | Venezia | Bishop of Caorle, Italy |
| 23 Jun | | Died | Giuseppe Boncore † | Bishop of Lavello, Italy |
| 24 Jun | 17.5 | Converted | Gottfried Langwerth von Simmern † | Auxiliary Bishop of Regensburg, Germany |
| 30 Jun | 44.0 | Selected | Johann Ernst von Thun † | Archbishop of Salzburg, Austria |