| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Born | Maciej Józef Ancuta † | Bresten | Bishop of Vilnius, Lithuania |
| Appointed | Juan de la Calle y Heredia, O. de M. † | Bishop of Trujillo, Peru | Bishop of Arequipa, Peru |
| 13.1 | Professed | Francesco Maria Casini, O.F.M. Cap. † | Member of Order of Friars Minor Capuchin | Cardinal, Cardinal-Priest of Santa Prisca |
| Born | Louis-Charles Des Alris du Rousset † | Dauphiné | Bishop of Béziers, France |
| Born | Charles-Fontaine Des Montees † | Orléans | Bishop of Nevers, France |
| Died | Diego López de Vergara y Aguilar † | Bishop-Elect of Panamá |
| Born | José Esquivel Castillejos, O.P. † | Carmona | Auxiliary Bishop of Sevilla {Seville}, Spain |
| 51.0 | Died | Pier Francesco Filonardi † | Bishop of Anagni, Italy |
| Died | Pedro Gálvez † | Bishop of Zamora, Spain |
| 58.0 | Died | Francesco Gheri † | Bishop of Cervia, Italy |
| 59.0 | Died | Giovanni Battista Gori Panellini † | Bishop of Grosseto, Italy |
| Born | José Xirón de Alvarado, O.P. † | León, Nicaragua | Bishop of Nicaragua |
| Born | Jean Le Normant † | Orléans | Bishop of Evreux, France |
| Died | Arthur de Lionne † | Bishop of Gap, France |
| Appointed | Pierre Marion † | Bishop of Gap, France |
| 72.0 | Died | Mansueto Merati, B. † | Bishop of Acerra, Italy |
| 67.0 | Died | Bernardo de Ontiveros, O.S.B. † | Bishop of Calahorra y La Calzada, Spain |
| 61.0 | Died | Gabriel Ortiz de Orvé † | Bishop of Gaeta, Italy |
| 25.8 | Ordained Priest | Pedro Pacheco, O.P. † | Priest of Order of Friars Preachers | Bishop of Cochin, India |
| Born | Nuno Álvares Pereira de Melo † | Lisboa | Bishop of Lamego, Portugal |
| Died | Fernando de Quesada † | Bishop of Cádiz, Spain |
| Appointed | Antonio Rodríguez Castañon † | Bishop of Ciudad Rodrigo, Spain | Bishop of Zamora, Spain |
| 38.0 | Ordained Priest | Gabriel de Roquette † | Priest | Bishop of Autun, France |
| Died | Francesc Crespí de Valldaura i Brizuela † | Bishop of Vic, Spain |
| Appointed | Ernst August von Braunschweig-Lüneburg † | Bishop of Osnabrück, Germany |
| 59.8 | Died | Juan Velez † | Bishop-Elect of Cebu, Philippines |
| Died | Martín Velasco y Molina † | Bishop of La Paz, Bolivia |
| 3 Jan | 28.0 | Ordained Priest | Louis-Anne Aubert de Villeserin † | Priest | Bishop of Senez, France |
| 8 Jan | 94.4 | Beatified | St. François de Sales † | Bishop of Genève {Geneva}, Switzerland |
| 36.2 | Ordained Bishop | Johann Kaspar Schnorf † | Titular Bishop of Chrysopolis in Arabia | Auxiliary Bishop of Basel, Switzerland |
| 16 Jan | 41.0 | Appointed | Tommaso de Rosa † | Bishop of Sant’Angelo dei Lombardi e Bisaccia, Italy | Bishop of Policastro, Italy |
| 71.0 | Appointed | Angelo Picchetti † | Bishop of Nusco, Italy |
| 22 Jan | 41.1 | Ordained Bishop | Tommaso de Rosa † | Bishop of Sant’Angelo dei Lombardi e Bisaccia, Italy | Bishop of Policastro, Italy |
| 29 Jan | | Born | Antonius Dominikus von Wolkenstein-Trostburg † | Trento | Bishop of Trento, Italy |
| 2 Feb | | Born | Pedro Francisco Levanto Vivaldo † | Sevilla | Bishop of Badajoz, Spain |
| 11 Feb | 74.1 | Died | Melchor Maldonado y Saavedra, O.S.A. † | Bishop of Córdoba (Tucumán), Argentina |
| 13 Feb | 44.1 | Appointed | Fabrizio Maracchi † | Bishop of Termoli, Italy |
| 15 Feb | 48.4 | Resigned | Jean-François-Paul de Gondi de Retz † | Archbishop of Paris, France | Cardinal, Archbishop Emeritus |
| 16 Feb | 69.1 | Died | Francesco Tello de Leon, C.R. † | Bishop of L’Aquila, Italy |
| 17 Feb | | Born | Johann Adam Nieberlein † | Eichstätt | Auxiliary Bishop of Eichstätt, Germany |
| 22 Feb | | Born | Konrad Ferdinand Geist von Wildegg † | Ravensburg | Auxiliary Bishop of Konstanz {Constance}, Germany |
| 26 Feb | 68.1 | Selected | Pierre de Marca † | Archbishop of Paris, France |
| 27 Feb | | Appointed | Giovanni Agostino Marliani † | Bishop of Reggio Emilia, Italy |
| 28 Feb | 70.5 | Selected | Johann Georg von Herberstein † | Bishop of Regensburg, Germany | Bishop-Elect |
| 5 Mar | 23.4 | Ordained Priest | Miguel Jerónimo de Molina y Aragonés, O.S.Io.Hieros. † | Priest of Sovereign Military Hospitaller Order of St John of Jerusalem | Bishop Emeritus of Lérida, Spain |
| 7 Mar | 56.2 | Died | Anne de Lévis-Ventadour † | Archbishop of Bourges, France |
| 11 Mar | 65.2 | Died | Jean-Jacques Fauche de Domprel † | Archbishop of Besançon, France |
| 13 Mar | 72.2 | Appointed | Andrés Bravo de Salamanca † | Bishop of Sigüenza, Spain |
| Appointed | Gian Lorenzo Castiglioni † | Bishop of Anagni, Italy | Bishop of Acquapendente, Italy |
| 55.7 | Appointed | Gabriel de Esparza Pérez † | Bishop of Salamanca, Spain | Bishop of Calahorra y La Calzada, Spain |
| Appointed | Marco Marchiani † | Bishop of Feltre, Italy |
| Appointed | Simone Oliverio † | Bishop of Fondi (Fundi), Italy |
| 19 Mar | 32.6 | Ordained Bishop | François de Nesmond † | Bishop of Bayeux, France |
| 21 Mar | 24.1 | Ordained Priest | José de Oliveira, O.S.A. † | Priest of Order of St. Augustine | Bishop Emeritus of Angola e Congo, Angola |
| 25 Mar | 33.2 | Ordained Priest | Petrus Barugi † | Priest | Bishop of Urbania-Sant’Angelo in Vado, Italy |
| 26.7 | Ordained Priest | Albert Ernst von Wartenberg † | Priest of Regensburg, Germany | Auxiliary Bishop |
| 26 Mar | 47.2 | Selected | Placido Carafa, C.R. † | Bishop of Acerra, Italy |
| Appointed | Juan de la Torre y Castro, O.F.M. † | Bishop of Nicaragua |
| Apr | | Born | Niccolò Tolomei † | S. Angeli in Colle Ilcinen | Bishop of Massa Marittima, Italy |
| Born | Doymus Zeni † | Pharen | Bishop of Arbe (Rab), Croatia |
| 8 Apr | 36.3 | Ordained Priest | Sébastien de Guémadeuc † | Priest | Bishop of Saint-Malo, France |
| 11 Apr | 23.2 | Ordained Priest | Giuseppe Crispino † | Priest | Bishop of Amelia, Italy |
| 13 Apr | 12.7 | Selected | Karl Joseph von Österreich † | Coadjutor Bishop of Passau, Germany | Bishop-Elect |
| 16 Apr | 30.9 | Ordained Bishop | Alfonso Enríquez de Santo Tomás, O.P. † | Bishop of Osma, Spain | Bishop of Málaga, Spain |
| Born | Oronzio Filomarini, C.R. † | Napoli | Bishop Emeritus of Gallipoli, Italy |
| 17 Apr | 32.3 | Appointed | Antoine-François Bertier † | Bishop of Rieux, France |
| Resigned | Jean Louis Bertier † | Bishop of Rieux, France | Bishop Emeritus |
| 57.3 | Appointed | Juan de Paredes, C.R.S.A. † | Bishop of Gaeta, Italy |
| Appointed | Jerónimo Rodríguez de Valderas, O. de M. † | Bishop of Badajoz, Spain | Bishop of Jaén, Spain |
| 23 Apr | 23.2 | Ordained Priest | Ferdinand Schröffel † | Priest of Olomouc (Olmütz), Czech Republic | Auxiliary Bishop |
| 25 Apr | 23.3 | Professed | Jan Kazimierz Opaliński, O. Cist. † | Priest of Order of Cistercians | Bishop of Chelmno (Culma, Kulm), Poland |
| 28 Apr | | Born | Johann Raymund Guidobald von Lamberg, O.F.M. Cap. † | Salzburg | Auxiliary Bishop of Passau, Germany |
| 29 Apr | | Born | Francisco Laso de la Vega Córdova, O.P. † | Granada | Bishop of Plasencia, Spain |
| May | 53.3 | Died | Girolamo della Rovere † | Bishop of Vercelli, Italy |
| Born | Matthaeus Giannicio † | Spalaten | Bishop of Scardona (Skradin), Italy |
| Died | Giovanni Battista Pontano (Montano) † | Bishop of Oppido Mamertina, Italy |
| 5 May | 38.3 | Ordained Bishop | Ulrich de Mont † | Bishop of Chur, Switzerland |
| 15 May | 60.5 | Ordained Bishop | Diego de Humanzoro, O.F.M. † | Bishop of Santiago de Chile |
| 18 May | 16.0 | Professed | Antonio della Marra, C.R. † | Member of Congregation of Clerics Regular | Bishop of Carinola (Calina), Italy |
| 20 May | | Born | Pompilio Berlingieri † | Cotrone | Bishop Emeritus of Bisignano, Italy |
| 23 May | | Born | Flaminio Dondi, O.F.M. † | Parmae | Bishop of Montefeltro, Italy |
| 24 May | | Selected | Antonio Carafa, C.R. † | Bishop of Ugento, Italy |
| 28 May | 16.4 | Ordained Priest | Franciszek Mikołaj Prażmowski † | Priest | Bishop of Lutsk (Łuck), Ukraine |
| 31 May | 61.4 | Appointed | Boudewijn Cats (Catzius) † | Vicar Apostolic of Batavia (Holland Mission), Netherlands |
| 61.4 | Appointed | Boudewijn Cats (Catzius) † | Titular Bishop of Philippi | Vicar Apostolic of Batavia (Holland Mission), Netherlands |
| Jun | | Born | Antonius Gagliani, O.F.M. Conv. † | Napoli | Bishop of Umbriatico (Umbriaticum), Italy |
| 67.4 | Died | Francesco Antonio Sacchetti † | Bishop of Troia, Italy |
| 57.4 | Appointed | Mateo de Sagade (Lazo de) Bugueiro † | Bishop of Cádiz, Spain | Archbishop of Cartagena (en España) |
| 3 Jun | 31.8 | Ordained Priest | Johann Martin von Eyb † | Priest of Eichstätt, Germany | Bishop |
| 28.1 | Ordained Priest | Jean de Gaillard de Longjumeau † | Priest | Bishop of Apt, France |
| 5 Jun | | Appointed | Jan Karol Czolański † | Auxiliary Bishop of Lutsk (Łuck), Ukraine |
| Appointed | Jan Karol Czolański † | Titular Bishop of Orthosias in Caria | Auxiliary Bishop of Lutsk (Łuck), Ukraine |
| 68.4 | Confirmed | Pierre de Marca † | Archbishop of Paris, France |
| Appointed | Nicolás Rodríguez Hermosino † | Bishop of Astorga, Spain |
| 7 Jun | | Born | José Pereira de Lacerda † | Moura | Cardinal, Bishop of Faro {Algarve}, Portugal |
| 8 Jun | | Born | László Nádasdy, O.S.Pauli † | Posonii | Bishop of Csanád, Hungary |
| 12 Jun | 37.4 | Appointed | Alexander Dunbar Winchester (Winster) † | Prefect of Scotland, Great Britain | Prefect Emeritus |
| 15 Jun | | Born | Louis-Gaston Fleuriau d’Armenonville † | Paris | Bishop of Orléans, France |
| 20 Jun | | Born | Carlo Mascardi, B. † | Sarzanen | Bishop of Ventimiglia, Italy |
| 23 Jun | 37.5 | Appointed | Johannes Baptista van Neercassel † | Coadjutor Vicar Apostolic of Batavia (Holland Mission), Netherlands | Vicar Apostolic |
| 37.5 | Appointed | Johannes Baptista van Neercassel † | Titular Bishop of Castoria | Vicar Apostolic of Batavia (Holland Mission), Netherlands |
| 25 Jun | 32.5 | Ordained Bishop | Antoine-François Bertier † | Bishop of Rieux, France |
| 26 Jun | 58.3 | Appointed | Cesare Cancellotti, C.O. † | Bishop of Montalto (delle Marche), Italy |
| 52.5 | Appointed | Diego Castiglione Morelli † | Bishop of Mileto, Italy |
| 71.5 | Confirmed | Hugo Eberhard von Cratz von Schraffenstein † | Bishop of Worms, Germany |
| Appointed | Anselmo Dandini † | Bishop of Cervia, Italy |
| 38.2 | Resigned | Henri Fuchs † | Apostolic Administrator of Lausanne, Switzerland | Apostolic Administrator Emeritus |
| Appointed | Pietro Gambacorta, C.R. † | Bishop of Castellammare di Stabia, Italy |
| 41.2 | Appointed | Francesco Maidalchini † | Cardinal-Deacon of Santa Maria in Portico (Campitelli) | Cardinal, Cardinal-Priest of Santa Prassede |
| 35.9 | Appointed | Karl Franz Neander von Petersheide † | Auxiliary Bishop of Wrocław (Breslau), Poland |
| 35.9 | Appointed | Karl Franz Neander von Petersheide † | Titular Bishop of Nicopolis ad Iaterum | Auxiliary Bishop of Wrocław (Breslau), Poland |
| 40.6 | Appointed | Jean-Baptiste de Strambino, O.F.M. † | Bishop of Lausanne, Switzerland |
| 29 Jun | 68.4 | Died | Pierre de Marca † | Archbishop of Paris, France |
| Ordained Bishop | Antonio Rodríguez Castañon † | Bishop of Ciudad Rodrigo, Spain | Bishop of Zamora, Spain |