| Date | Age | Event | Bishop | Title | Current Title |
|---|
| 4 May | 59.3 | Ordained Bishop | Grigore Maior, O.S.B.M. † | Bishop of Făgăraş (Romanian), Romania | Bishop Emeritus |
| 76.5 | Died | Antonio Redetti † | Bishop of Bergamo, Italy |
| 5 May | Born | Ignacio Ribes Mayor † | Archbishop of Burgos, Spain |
| 9 May | 56.8 | Ordained Bishop | Giovanni Battista Caballini † | Bishop of Senj (-Modruš), Croatia |
| 10 May | 55.3 | Installed | Giovanni Angelico Braschi † | Cardinal-Priest of Sant’Onofrio | Pope (Roma {Rome}, Italy) |
| 65.5 | Installed | Francesco d’Elci † | Cardinal, Cardinal-Deacon of Sant’Angelo in Pescheria |
| 44.4 | Appointed | Francesco Paolo Mandarani † | Bishop of Nicastro, Italy |
| 37.3 | Confirmed | Corrado Maria Deodato de Moncada † | Bishop of Catania, Italy |
| 55.8 | Appointed | Paolino Pace † | Bishop of Vico Equense, Italy |
| 12 May | 48.8 | Selected | Toussaint-Fran輟is-Joseph Conen de Saint-Luc † | Bishop of Quimper, France |
| 15 May | 48.2 | Appointed | Giorgio Antonio Vareschi, O.C.D. † | Vicar Apostolic of Great Mogul (Mughals), India |
| 16 May | 44.4 | Ordained Bishop | Francesco Paolo Mandarani † | Bishop of Nicastro, Italy |
| 37.3 | Ordained Bishop | Corrado Maria Deodato de Moncada † | Bishop of Catania, Italy |
| 17 May | 69.0 | Died | Francesco Maria Testa † | Archbishop of Monreale, Italy |
| 19 May | 47.3 | Ordained Bishop | William Egan † | Titular Bishop of Sura | Bishop of Waterford and Lismore, Ireland |
| 23 May | Born | Domenico Alfonso (Lorenzo) Serafini, O.F.M. Cap. † | Titular Bishop of Corycus |
| 30 May | 33.1 | Ordained Bishop | Fran輟is Cittadella † | Bishop of Nebbio, France | Bishop of Accia and Mariana, France |
| Born | Ernst von Schwarzenberg † | Bishop of Győr (Raab), Hungary |
| 31 May | Born | Hermann Anton Constantin Franz Sales Johann Nepomuk von Vicari † | Archbishop of Freiburg im Breisgau, Germany |
| Jun | Born | J?zef Szczepan Koźmian † | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 55.9 | Ordained Bishop | Paolino Pace † | Bishop of Vico Equense, Italy |
| 2 Jun | 66.8 | Died | Ferdinand Michael Cyriakus von Hallweil † | Bishop of Wiener Neustadt, Austria |
| 5 Jun | 23.0 | Ordained Priest | Ant?nio Jos? Cordeiro † | Priest | Bishop of Aveiro, Portugal |
| 24.1 | Ordained Priest | Francesco Antonio Nanni, C.M. † | Priest of Congregation of the Mission | Bishop Emeritus of Teramo, Italy |
| 26.6 | Ordained Priest | Leonard Neale † | Priest of Society of Jesus | Archbishop of Baltimore, Maryland, USA |
| 24.5 | Ordained Priest | Francisco Sisternes de Oblites † | Priest | Archbishop of Oristano, Italy |
| 6 Jun | 40.5 | Ordained Bishop | Andrij Bacynskyj † | Bishop of Mukachevo (Munk當s) (Ruthenian), Ukraine |
| Ordained Bishop | Mark Dobretić Jezerčić (Dobrebich), O.F.M. † | Titular Bishop of Erythrae | Vicar Apostolic of Bosnia (Ottoman), Croatia |
| Born | Sim?n Rojas Guardiola y Hortoneda, O.S.B. † | Bishop of Urgell, Spain |
| 7 Jun | 63.6 | Ordained Deacon | J?zef Pr?szyński † | Deacon | Titular Bishop of Mennith |
| 8 Jun | 63.6 | Ordained Priest | J?zef Pr?szyński † | Priest | Titular Bishop of Mennith |
| 11 Jun | 49.9 | Selected | Miguel Ant?nio Barreto de Meneses † | Bishop of Miranda (do Douro), Portugal | Bishop Emeritus |
| 55.6 | Selected | Bernardo Pinto Ribeiro Seixas † | Bishop of Bragan軋, Portugal | Bishop of Bragan軋 e Miranda, Portugal |
| 42.9 | Selected | Pedro de Melo e Brito da Silveira Alvim † | Bishop of Portalegre, Portugal |
| 14 Jun | 44.3 | Appointed | Gregorio Alessandri † | Bishop of Sovana (Soana), Italy | Bishop of Cortona, Italy |
| 45.9 | Appointed | Antonio de Torres, O.S.B. † | Bishop of Sessa Aurunca, Italy |
| 37.3 | Confirmed | Emmanuel-Louis de Grossoles de Flamarens † | Bishop of P駻igueux (Vesuna), France |
| 47.0 | Appointed | Anton?n Bernard G?rtler † | Titular Bishop of Tium |
| 44.5 | Appointed | Marco de Leone † | Bishop of Satriano e Campagna, Italy |
| 37.7 | Appointed | Ranieri Mancini † | Bishop of Colle di Val d’Elsa, Italy | Bishop Emeritus of Fiesole, Italy |
| 35.4 | Appointed | Francesco Vincenti † | Bishop of Pescia, Italy |
| 46.1 | Confirmed | Friedrich Wilhelm von Westphalen † | Coadjutor Bishop of Paderborn, Germany | Bishop of Hildesheim, Germany |
| 17 Jun | 64.8 | Selected | Luis Fernando de Hoyos y Mier † | Bishop of Michoac疣, M騙ico |
| 20 Jun | 44.3 | Ordained Bishop | Gregorio Alessandri † | Bishop of Sovana (Soana), Italy | Bishop of Cortona, Italy |
| 45.9 | Ordained Bishop | Antonio de Torres, O.S.B. † | Bishop of Sessa Aurunca, Italy |
| 44.5 | Ordained Bishop | Marco de Leone † | Bishop of Satriano e Campagna, Italy |
| 37.7 | Ordained Bishop | Ranieri Mancini † | Bishop of Colle di Val d’Elsa, Italy | Bishop Emeritus of Fiesole, Italy |
| 48.3 | Ordained Bishop | Giorgio Antonio Vareschi, O.C.D. † | Titular Bishop of Calama | Vicar Apostolic of Great Mogul (Mughals), India |
| 35.5 | Ordained Bishop | Francesco Vincenti † | Bishop of Pescia, Italy |
| 26 Jun | 16.2 | Professed | Peter Bernardine Collingridge, O.F.M. Rec. † | Member of Order of Friars Minor Recollect | Vicar Apostolic of Western District, England, Great Britain |
| 29 Jun | 47.1 | Ordained Bishop | Anton?n Bernard G?rtler † | Titular Bishop of Tium |
| 4 Jul | 31.4 | Ordained Bishop | James Butler (2nd) † | Titular Bishop of Germanicopolis | Archbishop of Cashel (-Emly), Ireland |
| 11 Jul | 21.6 | Ordained Deacon | Giuseppe Maria Doria Pamphilj † | Deacon | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| Born | Pietro Lepore † | Bishop of Castellaneta, Italy |
| 12 Jul | 50.0 | Confirmed | Miguel Ant?nio Barreto de Meneses † | Bishop of Miranda (do Douro), Portugal | Bishop Emeritus |
| 48.9 | Confirmed | Toussaint-Fran輟is-Joseph Conen de Saint-Luc † | Bishop of Quimper, France |
| 57.5 | Appointed | Giovanni Battista Crispi † | Archbishop of Naxos, Greece |
| 64.8 | Confirmed | Luis Fernando de Hoyos y Mier † | Bishop of Michoac疣, M騙ico |
| 46.5 | Confirmed | Federico Maria Giovanelli † | Bishop of Chioggia, Italy | Patriarch of Venezia {Venice}, Italy |
| 36.7 | Appointed | Michał Jerzy Poniatowski † | Coadjutor Bishop of Płock, Poland | Archbishop of Gniezno, Poland |
| 36.7 | Appointed | Michał Jerzy Poniatowski † | Titular Bishop of Cydonia (Agia, Canea) | Archbishop of Gniezno, Poland |
| 55.7 | Confirmed | Bernardo Pinto Ribeiro Seixas † | Bishop of Bragan軋, Portugal | Bishop of Bragan軋 e Miranda, Portugal |
| 41.8 | Appointed | Stanislaw Jan Siestrzencewicz Bohusz † | Auxiliary Bishop of Vilnius, Lithuania | Archbishop of Mohilev, Belarus |
| 41.8 | Appointed | Stanislaw Jan Siestrzencewicz Bohusz † | Titular Bishop of Mallus | Archbishop of Mohilev, Belarus |
| 42.9 | Confirmed | Pedro de Melo e Brito da Silveira Alvim † | Bishop of Portalegre, Portugal |
| 40.5 | Appointed | Giorgio Stay † | Bishop of Santorini {Thira}, Greece | Bishop-Elect |
| 72.5 | Appointed | Jean Antoine Voricla † | Bishop of Chios (Scio), Greece |
| 14 Jul | Born | Mario Ancaiani † | Archbishop of Spoleto, Italy |
| 16 Jul | 46.8 | Selected | Giovanni Battista Alagona † | Bishop of Siracusa, Italy |
| 62.7 | Died | Jean-S饕astien de Barral † | Bishop of Castres, France |
| 18 Jul | 48.3 | Ordained Bishop | Juan Manuel Cornel † | Bishop of Barbastro, Spain |
| 21.6 | Ordained Priest | Giuseppe Maria Doria Pamphilj † | Priest | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 46.5 | Ordained Bishop | Federico Maria Giovanelli † | Bishop of Chioggia, Italy | Patriarch of Venezia {Venice}, Italy |
| 21 Jul | 20.1 | Incardinated | Ignacy Stanislaw Czyżewski † | Priest | Bishop of Sejny o Sejna o August?w, Poland |
| 26.7 | Incardinated | Leonard Neale † | Priest of United States of America | Archbishop of Baltimore, Maryland, USA |
| 22 Jul | Born | Francesco Maria Cipriani, O.S.B. † | Bishop of Veroli, Italy |
| 25 Jul | Born | Giovanni Maria Bua † | Archbishop of Oristano, Italy |
| 26 Jul | 63.5 | Died | Mikołaj Szostak, O.C.D. † | Vicar Apostolic of Malabar, India |
| 27 Jul | 45.8 | Selected | Jean-Marc de Roy駻e † | Bishop of Castres, France | Bishop Emeritus |
| 1 Aug | 48.5 | Died | Joseph Balithian † | Archbishop of Mardin (Armenian), Turkey | Bishop |
| Born | Ignaz Anton Demeter † | Archbishop of Freiburg im Breisgau, Germany |
| 10 Aug | Born | Johann Georg Maria Lorenz Bossi † | Bishop of Chur-Sankt Gallen, Switzerland |
| 22.9 | Ordained Priest | Giovanni Giacomo Antonio Gaetano Fraschina, O.F.M. Cap. † | Priest of Order of Friars Minor Capuchin | Titular Archbishop of Corinthus |
| 14 Aug | 64.1 | Selected | Paolo Da Ponte, O.C.D. † | Archbishop (Personal Title) of Torcello (Turris), Italy | Bishop |
| 17 Aug | 41.9 | Selected | Jos? Joaquim Justiniano Mascarenhas Castello Branco † | Coadjutor Bishop of S縊 Sebasti縊 do Rio de Janeiro, Brazil | Bishop |
| 54.2 | Selected | Jo縊 Marcelino dos Santos Homem Apar?cio † | Bishop of Angra, Portugal |
| 22 Aug | 21.7 | Ordained Bishop | Giuseppe Maria Doria Pamphilj † | Titular Archbishop of Seleucia in Isauria | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 47.5 | Selected | Jean-Auguste Fr騁at de Sarra † | Bishop of Tr馮uier, France | Bishop of Nantes, France |
| 50.6 | Installed | Juan Manuel Moscoso y Peralta † | Bishop of C?rdoba (Tucum疣), Argentina | Archbishop of Granada, Spain |
| 25 Aug | 62.0 | Died | Carl Laurenz Cardona † | Prefect of Lausitz (Lusatia), Germany |
| 28 Aug | 73.5 | Resigned | Domenico Giordani † | Vicegerent of Roma {Rome}, Italy | Bishop Emeritus of Teano, Italy |
| 47.8 | Appointed | Luigi Valenti Gonzaga † | Apostolic Nuncio to Spain | Cardinal, Librarian of the Vatican Library |
| 29 Aug | 49.1 | Ordained Bishop | Toussaint-Fran輟is-Joseph Conen de Saint-Luc † | Bishop of Quimper, France |