| Date | Age | Event | Bishop | Title | Current Title | 
|---|
| unknown |  | Born | Juraj Branjug † |  | Bishop of Zagreb (Agram), Croatia | 
| 75.1 | Resigned | Jodok Brendt Hopner † | Auxiliary Bishop of Passau, Germany | Auxiliary Bishop Emeritus | 
| 55.6 | Died | Francesco Crisolini † | Bishop of Sarsina, Italy | 
|  | Appointed | Simon d’Amida † | Bishop of Mardin (Chaldean), Turkey | 
|  | Ordained Bishop | Simon d’Amida † | Bishop of Mardin (Chaldean), Turkey | 
| 69.0 | Died | Carlo della Palma, C.R. † | Bishop of Pozzuoli, Italy | 
| 26.0 | Ordained Priest | Luke Fagan † | Priest of Meath, Ireland | Archbishop of Dublin, Ireland | 
| 27.0 | Ordained Priest | Thomas Flynn † | Priest of Ardagh (and Clonmacnois), Ireland | Bishop | 
| 39.0 | Appointed | Timothée Isaac Gebeir † | Bishop of Diarbekir (Amida) (Syrian), Turkey | 
| 39.0 | Ordained Bishop | Timothée Isaac Gebeir † | Bishop of Diarbekir (Amida) (Syrian), Turkey | 
|  | Born | José Antonio Gutiérrez y Ceballos † |  | Archbishop of Lima, Peru | 
| 16.0 | Professed | José Xirón de Alvarado, O.P. † | Priest of Order of Friars Preachers | Bishop of Nicaragua | 
|  | Born | Michał Remigiusz Łaszewski † |  | Auxiliary Bishop of Warmia (Ermland), Poland | 
|  | Born | Giovanni Paolo Maricone, C.R.S. † |  | Titular Bishop of Hippos | 
| 15.6 | Professed | Jaime de Mimbela, O.P. † | Member of Order of Friars Preachers | Bishop of Trujillo, Peru | 
| 37.0 | Converted | Thomas Joseph Nicholson † | Vicar Apostolic of Scotland, Great Britain | 
| 55.0 | Died | Ambrogio Maria Piccolomini, O.S.B. † | Archbishop of Otranto, Italy | 
| 64.0 | Died | Stefano Spínola, C.R.S. † | Bishop of Savona, Italy | 
|  | Born | Matija Juraj Įtukanović † |  | Archbishop of Bar (Antivari), Montenegro | 
| 26.4 | Ordained Priest | Charles-Nicolas Taffoureau de Fontaine † | Priest of Sens, France | Bishop of Alet, France | 
|  | Died | Kazimierz Zwierz † | Auxiliary Bishop of Lutsk (Łuck), Ukraine | 
| 4 Jan |  | Born | Antonio Maria Carafa, C.R. † |  | Bishop of Avellino e Frigento, Italy | 
| 9 Jan | 75.0 | Resigned | Alessandro Crescenzi, C.R.S. † | Bishop of Recanati e Loreto, Italy | Cardinal, Bishop Emeritus | 
| 10 Jan |  | Born | Miguel Bernardino de la Fuenta y Rojas † |  | Bishop of Ayacucho o Huamanga (Guamanga), Peru | 
| 12 Jan | 48.9 | Appointed | Girolamo Borgia † | Bishop of Tropea, Italy | 
| 44.0 | Appointed | Jean-Baptiste d’Estampes de Valançay † | Bishop of Marseille, France | 
| 61.0 | Appointed | Francesco Di Giangirolamo † | Bishop of Città Ducale, Italy | 
| 55.0 | Appointed | Gianfrancesco Ginetti † | Cardinal-Deacon of Sant’Angelo in Pescheria | Cardinal, Archbishop of Fermo, Italy | 
| 38.0 | Confirmed | Louis Habert de Montmort † | Bishop of Perpignan-Elne, France | 
| 51.0 | Appointed | Francesco de Mandietta (Mendieta), O.SS.T. † | Bishop of Castellammare di Stabia, Italy | 
| 66.8 | Appointed | Antonio Pignatelli del Rastrello † | Archbishop (Personal Title) of Faenza, Italy | Pope (Roma {Rome}, Italy) | 
| 50.0 | Appointed | Giorgio Sotgia (Soggia) Serra, O.S.M. † | Bishop of Bosa, Italy | 
| 16 Jan | 41.0 | Selected | François-Charles de Salettes † | Bishop of Oloron (Oloron-Sainte-Marie), France | 
| 18 Jan | 61.0 | Ordained Bishop | Francesco Di Giangirolamo † | Bishop of Città Ducale, Italy | 
| 50.0 | Ordained Bishop | Giorgio Sotgia (Soggia) Serra, O.S.M. † | Bishop of Bosa, Italy | 
| 23 Jan |  | Born | Domenico Antonio Peronaci † |  | Bishop of Umbriatico (Umbriaticum), Italy | 
| 26 Jan | 51.2 | Appointed | Matteo Fazio, O.P. † | Bishop of Patti, Italy | 
| 40.6 | Appointed | Leonardo Marsili † | Archbishop of Siena, Italy | 
| 54.0 | Appointed | Michele Pignatelli, C.R. † | Bishop of Lecce, Italy | 
| 1 Feb | 51.3 | Ordained Bishop | Matteo Fazio, O.P. † | Bishop of Patti, Italy | 
| 37.2 | Ordained Bishop | Claude Le Tonnelier de Breteuil † | Bishop of Boulogne (-Sur-Mer), France | 
| 54.0 | Ordained Bishop | Michele Pignatelli, C.R. † | Bishop of Lecce, Italy | 
| 2 Feb |  | Born | Antoni Sebastian Dembowski † |  | Bishop of Włocławek (Kujawy, Kalisze), Poland | 
|  | Born | Charles-François des Monstiers de Mérinville † |  | Bishop of Chartres, France | 
| 8 Feb | 40.7 | Ordained Bishop | Leonardo Marsili † | Archbishop of Siena, Italy | 
| 13 Feb | 61.1 | Selected | João da Madre de Deus Araújo, O.F.M. † | Archbishop of São Salvador da Bahia, Brazil | 
|  | Born | Francisco Pérez Lozano, O.S.Bas. † |  | Bishop of Puerto Rico (Porto Rico) | 
| 14 Feb | 54.1 | Died | António Telles da Silva, O.S.B. † | Bishop of Funchal, Portugal | 
| 15 Feb | 51.0 | Ordained Bishop | Wilhelm von Vintler von Runkelstein † | Titular Bishop of Megara | Auxiliary Bishop of Brixen {Bressanone}, Italy | 
| 16 Feb | 64.8 | Appointed | Juan Bautista Desbach i Martorell † | Bishop of Urgell, Spain | 
|  | Died | Mario Fani † | Titular Bishop of Cyrene | 
| 35.1 | Confirmed | Jacques Potier de Novion † | Bishop of Évreux, France | 
| 19 Feb | 65.9 | Died | Friedrich von Hessen-Darmstadt, O.S.Io.Hieros. † | Cardinal, Bishop of Wrocław (Breslau), Poland | 
| 21 Feb | 24.1 | Ordained Priest | Francesco Giuseppe Arborio di Gattinara, B. † | Priest of Clerics Regular of St. Paul | Archbishop of Torino {Turin}, Italy | 
| 22 Feb |  | Born | Walenty Alexander Czapski, O. Cist. † |  | Bishop of Włocławek (Kujawy, Kalisze), Poland | 
| 44.1 | Ordained Bishop | Jean-Baptiste d’Estampes de Valançay † | Bishop of Marseille, France | 
| 52.1 | Died | Antonio González de Acuña, O.P. † | Bishop of Caracas, Santiago de Venezuela | 
| 23 Feb |  | Died | Patrick Dempsey † | Vicar Apostolic of Kildare, Ireland | 
| 25 Feb | 58.1 | Died | Claudio Marazzani † | Bishop of Senigallia, Italy | 
| 27 Feb | 61.1 | Died | Jean de Forcoal † | Bishop of Sées {Séez}, France | 
| 13 Mar | 43.1 | Installed | Jan Kazimierz Opaliński, O. Cist. † | Bishop of Chelmno (Culma, Kulm), Poland | 
| 14 Mar | 22.1 | Ordained Deacon | Michele Maria Dentice † | Deacon | Bishop of Mottola (Motula), Italy | 
| 24.8 | Ordained Deacon | Ulrich von Federspiel † | Deacon of Chur, Switzerland | Bishop | 
| 23 Mar | 47.2 | Selected | Alfonso Galaz Torrero † | Bishop of Tuy, Spain | 
| 16.0 | Professed | Francesco Maria Muscettola, C.R. † | Member of Congregation of Clerics Regular | Archbishop Emeritus of Rossano, Italy | 
| 28 Mar | 26.4 | Ordained Priest | Fabio Brulart de Sillery † | Priest | Bishop of Soissons, France | 
| 24.8 | Ordained Priest | Ulrich von Federspiel † | Priest of Chur, Switzerland | Bishop | 
| 28.2 | Ordained Priest | Martin de Ratabon † | Priest | Bishop Emeritus of Viviers (Aps), France | 
| Apr | 33.5 | Entered | Louis-Armand Champion de Cicé † | Member of La Société des Missions Etrangères | Vicar Apostolic of Siam, Thailand | 
| 66.9 | Died | Gaetano D’Afflitto, C.R. † | Bishop of Cava (de’ Tirreni), Italy | 
| 64.2 | Died | Arcangelo de Chilento, O.F.M. Obs. † | Bishop of L’Aquila, Italy | 
| 1 Apr | 55.9 | Died | Franz Egon von Fürstenberg † | Bishop of Strasbourg, France | 
| 6 Apr | 33.8 | Appointed | Maximilian Burmann † | Auxiliary Bishop of Trier, Germany | 
| 33.8 | Appointed | Maximilian Burmann † | Titular Bishop of Diocletiana | Auxiliary Bishop of Trier, Germany | 
| 62.1 | Appointed | Girolamo Casanate † | Cardinal-Deacon of Sant’Agata de’ Goti | Cardinal, Cardinal-Priest of San Silvestro in Capite | 
| 7 Apr | 79.2 | Died | Diego Antonio Francés de Urrutigoyti y Lerma † | Bishop of Tarazona, Spain | 
| 8 Apr | 79.4 | Died | François Perrochel † | Bishop Emeritus of Boulogne (-Sur-Mer), France | 
| 10 Apr | 52.2 | Died | Angelo Grimaldi, O.P. † | Auxiliary Bishop of Albano, Italy | 
| 11 Apr |  | Born | Carlo Vincenzo Maria Ferreri, O.P. † |  | Cardinal, Bishop of Vercelli, Italy | 
| 12 Apr | 38.2 | Ordained Bishop | Louis Habert de Montmort † | Bishop of Perpignan-Elne, France | 
| 33.7 | Ordained Bishop | Hieronim Wierzbowski † | Titular Bishop of Fesseë | Auxiliary Bishop of Poznań, Poland | 
| 16 Apr |  | Born | Adolphus Groll (a S. Georgio), Sch. P. † |  | Bishop of Győr (Raab), Hungary | 
| 80.2 | Died | Michel Tuboeuf † | Bishop of Castres, France | 
| 19 Apr | 46.2 | Ordained Bishop | Dominique d’Esclaux de Mesplez (Messelez) † | Bishop of Lescar, France | 
| 74.2 | Died | Gilbert de Vény d’Arbouze † | Bishop of Clermont, France | 
| 20 Apr | 63.3 | Appointed | Sebastián de Arévalo y Torres, O.F.M. † | Bishop of Osma, Spain | 
| 63.3 | Appointed | Juan Asensio Barrios, O. de M. † | Bishop of Jaén, Spain | 
| 44.3 | Appointed | Stanisław Kazimierz Dąmbski † | Bishop of Płock, Poland | Bishop of Kraków, Poland | 
| 40.3 | Appointed | Francisco de Aguiar y Seijas y Ulloa † | Archbishop of México, Federal District | 
| 50.3 | Appointed | Joannes Dębski † | Auxiliary Bishop of Przemyśl, Poland | 
| 50.3 | Appointed | Joannes Dębski † | Titular Bishop of Belline | Auxiliary Bishop of Przemyśl, Poland | 
| 56.3 | Appointed | Simón García Pedrejón, O.F.M. Obs. † | Bishop of Oviedo, Spain | 
| 48.8 | Appointed | Péter Korompay † | Bishop of Eger, Hungary | Bishop of Nitra, Slovakia | 
| 41.3 | Appointed | Giovanni Battista Ponzi † | Bishop of Umbriatico (Umbriaticum), Italy | 
| 41.3 | Appointed | François-Charles de Salettes † | Bishop of Oloron (Oloron-Sainte-Marie), France | 
| 44.6 | Confirmed | Louis de Thomassin † | Bishop of Sisteron, France | 
| 22 Apr | 48.3 | Selected | Francisco Núñez de la Vega, O.P. † | Bishop of Chiapas (Ciudad Real de Chiapas), México | 
| 23 Apr |  | Born | Jorge Curado Torreblanca † |  | Bishop Emeritus of Urgell, Spain | 
|  | Died | Carlo Settala † | Bishop of Tortona, Italy | 
| 26 Apr | 47.3 | Ordained Deacon | Francesco Maria Giannotti † | Deacon | Bishop of Segni, Italy | 
| 1 May | 47.3 | Ordained Priest | Francesco Maria Giannotti † | Priest | Bishop of Segni, Italy | 
| 4 May | 64.3 | Appointed | Domingo Fernández Navarrete, O.P. † | Archbishop of Santo Domingo, Dominican Republic | 
| 47.3 | Appointed | Francesco Maria Giannotti † | Bishop of Segni, Italy | 
|  | Appointed | Guarnerio Guarnieri † | Bishop of Recanati e Loreto, Italy | 
| 61.3 | Confirmed | João da Madre de Deus Araújo, O.F.M. † | Archbishop of São Salvador da Bahia, Brazil | 
| 74.3 | Died | Jean de Mallevaud, O.F.M. Rec. † | Auxiliary Bishop of Clermont, France | 
| 56.0 | Appointed | Lodovico Septala † | Bishop of Cremona, Italy | 
| 7 May | 70.3 | Died | Andrés Aznar y Naves, O.S.A. † | Bishop of Teruel, Spain | 
| 10 May | 56.1 | Ordained Bishop | Lodovico Septala † | Bishop of Cremona, Italy | 
| 11 May |  | Born | Agostino Bruti † |  | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia | 
| 12 May | 63.2 | Died | Michelangelo Ricci † | Cardinal, Cardinal-Deacon of Santa Maria in Aquiro | 
| 15 May |  | Born | Giuseppe Isidoro Persico † |  | Bishop of Isernia, Italy | 
| 16 May | 35.3 | Installed | Jacques Potier de Novion † | Bishop of Évreux, France | 
| 17 May | 48.3 | Ordained Bishop | Jacques de Bourges, M.E.P. † | Titular Bishop of Auzia | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viet Nam | 
| 22 May | 50.3 | Selected | Mathurin Savary † | Bishop of Sées {Séez}, France | 
| 23 May |  | Born | Francesco Agnello Fragianni † |  | Bishop of Calvi Risorta, Italy | 
| 59.3 | Installed | Gabriel de La Roque-Prielé † | Bishop of Bayonne, France | 
| 25 May | 51.4 | Confirmed | Louis Aube de Roquemartine † | Bishop of Saint-Paul-Trois-Châteaux, France | 
| 51.3 | Confirmed | Ágoston Benkovich, O.S.P.P.E. † | Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania | 
| 40.3 | Appointed | Lucio Borghesi † | Bishop of Chiusi, Italy | 
| 43.3 | Appointed | Simplicio Caravita, O.S.B. † | Archbishop of Amalfi, Italy | 
| 70.3 | Confirmed | Antonio de Morales, O.P. † | Bishop of Concepción, Chile | 
| 47.3 | Confirmed | Alfonso Galaz Torrero † | Bishop of Tuy, Spain | 
| 58.3 | Appointed | Francesco Martini (Marini) † | Bishop of Isola, Italy | 
| 43.6 | Appointed | Miguel Jerónimo de Molina y Aragonés, O.S.Io.Hieros. † | Bishop of Lérida, Spain | Bishop Emeritus | 
| 59.3 | Appointed | Mikołaj Stefan Pac † | Bishop of Vilnius, Lithuania | 
| 70.3 | Appointed | Gabriel Ramírez de Arellano, O.P. † | Bishop of Mondoñedo, Spain | 
| 44.3 | Appointed | Jan Stanisław Witwicki † | Bishop of Lutsk (Łuck), Ukraine | Bishop of Poznań, Poland | 
| 28 May | 80.5 | Died | Gaston Henri de Bourbon † | Former Bishop-Elect of Metz, France | 
| 1 Jun |  | Born | Carlo Collicola † |  | Cardinal, Cardinal-Priest of Santa Maria in Portico (Campitelli) | 
| 60.4 | Died | Juan Antonio García de Palacios † | Bishop of Santiago de Cuba | 
| 8 Jun | 65.4 | Confirmed | Théodore-Germain Allart, O.F.M. Rec. † | Bishop of Vence, France | 
| 66.4 | Appointed | Rainutius Baschi † | Bishop of Senigallia, Italy | 
| 38.4 | Appointed | Gaetano Caracciolo, C.R. † | Archbishop of Conza, Italy | 
| 54.9 | Appointed | Juan de Ortega Cano Montañez y Patiño † | Bishop of Michoacán, México | Archbishop of México, Federal District | 
| 52.5 | Selected | Wilhelm Egon von Fürstenberg † | Cardinal, Bishop of Strasbourg, France | 
|  | Appointed | János Kéry, O.S.P.P.E. † | Bishop of Vác, Hungary | 
| 50.4 | Appointed | Gaspare Mezzomonaco, O.S.B. † | Bishop of Tricarico, Italy | 
| 48.4 | Confirmed | Francisco Núñez de la Vega, O.P. † | Bishop of Chiapas (Ciudad Real de Chiapas), México | 
| 10 Jun | 74.4 | Died | Alfonso de Sotomayor, O. de M. † | Bishop of Barcelona, Spain | 
| 14 Jun | 66.4 | Ordained Bishop | Rainutius Baschi † | Bishop of Senigallia, Italy | 
| 34.0 | Ordained Bishop | Maximilian Burmann † | Titular Bishop of Diocletiana | Auxiliary Bishop of Trier, Germany | 
| 47.4 | Ordained Bishop | Francesco Maria Giannotti † | Bishop of Segni, Italy | 
| 15 Jun | 50.4 | Selected | Andrés de las Navas y Quevedo, O. de M. † | Bishop of Santiago de Guatemala | 
|  | Born | Franz Georg von Schönborn † |  | Archbishop of Trier, Germany |