Date | Age | Event | Bishop | Title | Current Title |
unknown | | Born | Antonio Aiello † | | Bishop of Montepeloso, Italy |
| Born | Humbert Ancelin † | | Bishop Emeritus of Tulle, France |
| Resigned | Giovanni Battista Aresti de Dovara, O.F.M. Obs. † | Archbishop of Alep, Syria | Archbishop Emeritus |
| Died | Camillo Baldi † | Bishop of Nicotera, Italy |
| Born | Domingos Barata, O.SS.T. † | | Bishop of Portalegre, Portugal |
| Born | Cyprien-Gabriel Bénard de Résay † | | Bishop of Angoulême, France |
19.0 | Converted | Ágoston Benkovich, O.S.P.P.E. † | Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania |
| Born | Guillaume Bochart de Champigny † | | Bishop of Valence, France |
| Born | Giovanni Innocenzo Carussio † | | Bishop of Muro Lucano, Italy |
| Born | Bartolomeo Castelli, C.R. † | | Bishop of Mazara del Vallo, Italy |
| Born | Bernard Donogher † | | Vicar Apostolic of Ardagh (and Clonmacnois), Ireland |
| Died | György Drašković † | Bishop of Pécs, Hungary |
| Born | James Fagan † | | Bishop of Meath, Ireland |
| Born | Marcus Giorga † | | Archbishop of Bar (Antivari), Montenegro |
| Born | Charles-Bénigne Hervé † | | Bishop Emeritus of Gap, France |
| Born | Mauro de Larreátegui y Colón, O.S.B. † | | Bishop of Santiago de Guatemala |
| Born | Henri-Augustin Le Pileur † | | Bishop Emeritus of Saintes, France |
43.0 | Died | Raphael Levacovich, O.F.M. Obs. † | Archbishop of Achrida (Ochrida), Bulgaria |
57.0 | Died | Angelo Melchiori (Melchiorre) † | Bishop of Castellaneta, Italy |
| Died | Jan Pac † | Former Bishop-Elect of Wenden (Windau), Poland |
23.3 | Ordained Priest | François Pallu, M.E.P. † | Priest of La Société des Missions Etrangères | Vicar Apostolic of Fukien (Kuiceu), China |
49.0 | Died | Ottavio Poderico † | Bishop of Umbriatico (Umbriaticum), Italy |
| Born | Angelo Maria Porfiri (Porfirius) † | | Bishop of Alife, Italy |
| Died | Gregorius Sepozrinski † | Auxiliary Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
| Born | Tommaso Vidoni † | | Apostolic Nuncio |
| Born | Cyrille V (Constantin) Za’im † | | Patriarch of Antiochia {Antioch} (Melkite Greek), Syria |
Jan | 41.0 | Ordained Priest | Ascanio de Gasparis † | Priest | Bishop of Marsi, Italy |
2 Jan | | Ordained Bishop | Giovanni Battista Alfieri † | Bishop of Fano, Italy |
| Ordained Bishop | Carlo Azzolini † | Bishop of Bagnoregio (Bagnorea), Italy | Bishop Emeritus |
| Ordained Bishop | Hyacinthe Macripodari, O.P. † | Titular Bishop of Scopien | Bishop of Csanád, Hungary |
61.0 | Ordained Bishop | Vincenzo Rabatta † | Archbishop of Chieti, Italy |
7 Jan | 52.6 | Selected | Karel van den Bosch † | Bishop of Brugge {Bruges}, Belgium | Bishop of Gent {Ghent, Gand}, Belgium |
10 Jan | 44.6 | Confirmed | Charles-François d’Anglure de Bourlémont † | Bishop of Aire, France | Archbishop of Toulouse, France |
| Born | Carlo Ottaviano Guasco † | | Bishop of Cremona, Italy |
53.0 | Appointed | Pompeo Mignucci, O.S.H. † | Archbishop (Personal Title) of Acquapendente, Italy | Bishop |
65.0 | Appointed | Juan del Pozo Horta, O.P. † | Bishop of León, Spain | Bishop of Segovia, Spain |
18 Jan | | Born | Benito Noriega, O.F.M. † | | Bishop of Acerra, Italy |
21 Jan | 50.0 | Died | Marin Ibrišimović, O.F.M. Obs. † | Bishop of Beograd {Belgrade}, Serbia |
24 Jan | 56.0 | Appointed | Francisco Torres Sánchez de Roa † | Bishop of Lugo, Spain |
27 Jan | 55.0 | Died | Marko Bandulavić (Bandonus), O.F.M. Obs. † | Apostolic Administrator of Moldova |
29 Jan | | Born | Francisco del Rincón, O.M. † | | Archbishop of Santafé en Nueva Granada, Colombia |
2 Feb | | Born | Biagio Gambaro † | | Bishop of Telese o Cerreto Sannita, Italy |
13 Feb | | Died | Ercole Rangoni † | Archbishop of Conza, Italy |
14 Feb | 41.1 | Appointed | Ascanio de Gasparis † | Bishop of Marsi, Italy |
51.1 | Appointed | Franciszek Dołmat Isajkowski † | Bishop of Smoleńsk, Poland |
56.1 | Appointed | Francesco Nerli (Sr.) † | Bishop of Pistoia, Italy | Cardinal, Archbishop of Firenze {Florence}, Italy |
| Appointed | Raffaele de Palma, O.F.M. Conv. † | Bishop of Oria, Italy |
58.1 | Appointed | Giovanni Pusky † | Archbishop of Kalocsa, Hungary |
61.1 | Appointed | Alessandro Rossi † | Bishop of Ariano, Italy |
20 Feb | 41.1 | Ordained Bishop | Ascanio de Gasparis † | Bishop of Marsi, Italy |
21 Feb | 41.4 | Appointed | Niccolò Albergati-Ludovisi † | Major Penitentiary of the Apostolic Penitentiary | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
24 Feb | | Ordained Bishop | Raffaele de Palma, O.F.M. Conv. † | Bishop of Oria, Italy |
61.1 | Ordained Bishop | Alessandro Rossi † | Bishop of Ariano, Italy |
25 Feb | 70.1 | Died | Bartolomé González Soltero † | Bishop of Santiago de Guatemala |
28 Feb | 66.1 | Died | Johann Hasius von Lichenfeld † | Prefect of Lausitz (Lusatia), Germany |
Mar | | Died | Andrea Caputo † | Bishop of Lettere (-Gragnano), Italy |
| Died | Diego Requeséns † | Bishop of Mazara del Vallo, Italy |
4 Mar | | Born | Giovanni Battista Costa † | | Bishop of Sagone (Sagona), France |
6 Mar | 59.1 | Ordained Bishop | Diego López de la Vega † | Bishop of Badajoz, Spain | Bishop of Coria, Spain |
8 Mar | 71.1 | Died | Antonio Tornielli † | Bishop of Novara, Italy |
12 Mar | 30.8 | Ordained Deacon | Pierre van den Perre † | Deacon | Bishop of Namur {Namen}, Belgium |
14 Mar | 33.3 | Elevated to Cardinal | Antonio de Aragón-Córdoba-Cardona y Fernández de Córdoba † | Cardinal, Cardinal-Deacon |
25 Mar | 44.8 | Ordained Bishop | Charles-François d’Anglure de Bourlémont † | Bishop of Aire, France | Archbishop of Toulouse, France |
Apr | 56.2 | Ordained Bishop | Francisco Torres Sánchez de Roa † | Bishop of Lugo, Spain |
1 Apr | 68.2 | Died | Johann Nikolaus Claessens † | Auxiliary Bishop of Münster, Germany |
67.2 | Died | Andrzej Szołdrski † | Bishop of Poznań, Poland |
2 Apr | 50.2 | Appointed | Martin Saudrius von Sternfeld † | Prefect of Lausitz (Lusatia), Germany | Prefect Emeritus |
4 Apr | 52.4 | Appointed | Henri Arnauld † | Bishop of Angers, France |
76.2 | Appointed | Andrés García de Zurita † | Bishop of Trujillo, Peru | Bishop of Trujillo, Peru |
38.8 | Appointed | Bl. Benedetto Odescalchi † | Bishop of Novara, Italy | Pope (Roma {Rome}, Italy) |
35.2 | Appointed | Mátyás Tarnóczy † | Bishop of Csanád, Hungary | Bishop of Vác, Hungary |
6 Apr | 25.1 | Ordained Priest | Henri Van Halmaele † | Priest | Bishop of Ypres (Ieper), Belgium |
9 Apr | 52.2 | Died | Gaspare Mattei † | Cardinal, Cardinal-Priest of Santa Cecilia |
10 Apr | | Born | Sebastiano Antonio Tanara † | | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
13 Apr | | Born | Giovanni Gambi † | | Bishop of Ascoli Piceno, Italy |
15 Apr | | Born | Ferdinando de Rojas (Roxas) † | | Bishop of Vigevano, Italy |
16 Apr | 23.7 | Ordained Priest | Karl Franz Neander von Petersheide † | Priest of Wrocław (Breslau), Poland | Auxiliary Bishop |
30.9 | Ordained Priest | Pierre van den Perre † | Priest | Bishop of Namur {Namen}, Belgium |
17 Apr | 52.9 | Confirmed | Karel van den Bosch † | Bishop of Brugge {Bruges}, Belgium | Bishop of Gent {Ghent, Gand}, Belgium |
19 Apr | 65.2 | Died | Boetius Egan, O.F.M. Obs. † | Bishop of Elphin, Ireland |
20 Apr | 77.3 | Died | David Rothe † | Bishop of Ossory, Ireland |
23 Apr | 33.3 | Selected | Kazimierz Florian Czartoryski † | Bishop of Poznań, Poland | Archbishop of Gniezno, Poland |
74.2 | Died | Jerónimo Domín Funes, O. Carm. † | Bishop of Gaeta, Italy |
May | 55.6 | Ordained Priest | Alessandro Argoli † | Priest | Bishop of Veroli, Italy |
2 May | | Appointed | Ferdinando Apicello † | Bishop of Ruvo (Ruo)(di Puglia), Italy | Bishop of Larino, Italy |
| Appointed | Lodovico (Francesco) Centofiorini † | Bishop of Nicotera, Italy |
| Appointed | Girolamo Corio (Coiro) † | Bishop of Parma, Italy |
| Appointed | Francisco de Godoy † | Bishop of Ayacucho o Huamanga (Guamanga), Peru | Bishop of Trujillo, Peru |
87.3 | Died | Jerónimo Fernando † | Bishop of Funchal, Portugal |
36.3 | Appointed | Giovanni Francesco Ferrari † | Bishop of Isola, Italy |
| Appointed | Michele Angelo Vincentini † | Bishop of Gerace, Italy | Bishop Emeritus |
8 May | | Ordained Bishop | Ferdinando Apicello † | Bishop of Ruvo (Ruo)(di Puglia), Italy | Bishop of Larino, Italy |
| Ordained Bishop | Lodovico (Francesco) Centofiorini † | Bishop of Nicotera, Italy |
36.3 | Ordained Bishop | Giovanni Francesco Ferrari † | Bishop of Isola, Italy |
| Ordained Bishop | Michele Angelo Vincentini † | Bishop of Gerace, Italy | Bishop Emeritus |
21 May | | Died | Boetius Egan, O.F.M. † | Bishop of Ross, Ireland |
22 May | 25.7 | Ordained Priest | Alphonse de Berghes † | Priest | Archbishop of Mechelen, Belgium |
25 May | | Born | Jerónimo del Valle Ledesma † | | Bishop of Almería, Spain |
30 May | 60.2 | Died | Pedro (de Santiago) Anglada Sánchez, O.A.R. † | Bishop of Lérida, Spain |
| Appointed | Rodrigo de Cárdenas, O.P. † | Bishop of Nueva Segovia, Philippines |
| Appointed | Juan Merlo de la Fuente † | Bishop of Comayagua, Honduras |
55.4 | Appointed | Francesco Peretti di Montalto † | Cardinal, Archbishop of Monreale, Italy |
3 Jun | | Born | Louis-Joseph Adhémar de Monteil de Grignan † | | Bishop of Carcassonne, France |
6 Jun | | Ordained Bishop | Girolamo Corio (Coiro) † | Bishop of Parma, Italy |
| Born | Giuseppe Guerra † | | Bishop of Alatri, Italy |
56.4 | Ordained Bishop | Francesco Nerli (Sr.) † | Bishop of Pistoia, Italy | Cardinal, Archbishop of Firenze {Florence}, Italy |
7 Jun | 55.4 | Ordained Bishop | Francesco Peretti di Montalto † | Cardinal, Archbishop of Monreale, Italy |
8 Jun | 66.4 | Died | Niccolò Sacchetti † | Bishop of Volterra, Italy |
11 Jun | 45.4 | Ordained Priest | Giambattista Candiotti † | Priest | Archbishop of Urbino, Italy |
19 Jun | | Died | Augustin Potier † | Bishop of Beauvais, France |
20 Jun | 79.4 | Died | Alessandro Scappi † | Bishop of Piacenza, Italy |
26 Jun | 66.4 | Died | Paolo Coccapani † | Bishop of Reggio Emilia, Italy |
27 Jun | | Appointed | Francesco Perotti † | Archbishop of Dubrovnik (Ragusa), Croatia |
50.4 | Appointed | Pietro Rota † | Bishop of Lucca, Italy |
45.4 | Appointed | Leonardus Severoli † | Bishop of San Severo, Italy |
54.4 | Died | Mario Theodoli † | Cardinal, Bishop Emeritus of Imola, Italy |
29 Jun | 52.6 | Ordained Bishop | Henri Arnauld † | Bishop of Angers, France |