| Date | Age | Event | Bishop | Title | Current Title |
| May | 58.7 | Died | Biagio Antonio Copeti † | Bishop of Mottola (Motula), Italy |
| 2 May | 40.3 | Ordained Priest | Anton Joseph von Lamberg † | Priest | Auxiliary Bishop Emeritus of Passau, Germany |
| 11 May | 57.8 | Ordained Bishop | Johann Matthias von Eyss † | Titular Bishop of Rosmen (Russionen) | Auxiliary Bishop of Trier, Germany |
| 63.4 | Ordained Bishop | Jeronimo Herrera y Lopez † | Bishop of Nueva Segovia, Philippines |
| Born | Ludwig Joseph von Welden auf Laubheim und Hohenaltingen † | Hohenaltingen | Bishop of Freising, Germany |
| 12 May | | Born | Friedrich Ludwig Franz von Wangen zu Geroldseck † | Wilwisheim | Bishop of Basel, Switzerland |
| 16 May | | Born | Marco Giuseppe Cornaro (Corner) † | Venezia | Bishop of Vicenza, Italy |
| 22 May | 23.8 | Ordained Priest | Hieronim Wieloglowski † | Priest | Auxiliary Bishop of Przemyśl, Poland |
| 23 May | 68.9 | Died | Fulvio Salvi † | Bishop of Sovana (Soana), Italy |
| 27 May | 75.4 | Died | Henri de Nesmond † | Archbishop of Toulouse, France |
| Jun | | Born | Jan Alojzy Aleksandrowicz † | Brzozdovien | Bishop of Chełm, Poland |
| 3 Jun | 61.4 | Ordained Bishop | Bartolome Gascon † | Titular Bishop of Iasus |
| 5 Jun | 69.8 | Appointed | Angelo Maria Nappi, O.S.M. † | Bishop of Sant’Angelo dei Lombardi e Bisaccia, Italy |
| 7 Jun | 23.4 | Ordained Priest | Gerardus Giannettasio † | Priest | Bishop of Lavello, Italy |
| 22.1 | Ordained Deacon | Giovanni Molino † | Deacon | Cardinal, Bishop of Brescia, Italy |
| 23.2 | Ordained Priest | Alfonso Sozy Carafa, C.R.S. † | Priest of Orden de los Padres Somascos | Bishop of Lecce, Italy |
| 24.1 | Ordained Priest | Giovan Filippo Leonardo Vitetti (Vitetta) † | Priest | Bishop of Castellaneta, Italy |
| 8 Jun | 23.0 | Ordained Priest | Francesco Saverio Maria Queraldi y Aragona † | Priest | Bishop of Squillace, Italy |
| 11 Jun | 63.3 | Selected | François Amédée Milliet d’Arvillars † | Archbishop of Tarentaise (Moûtiers-en-Tarentaise), France |
| 64.6 | Appointed | Giovanni Todone † | Bishop of Asti, Italy |
| 20 Jun | 70.5 | Died | Salvador Rodríguez Castelblanco, T.O.R. † | Bishop of Orihuela, Spain |
| 21 Jun | 41.9 | Selected | Giovanni Fabrizio de Capua † | Archbishop of Taranto, Italy | Archbishop of Salerno, Italy |
| 23 Jun | 71.1 | Selected | Gerolamo Francesco Malpasciuto † | Bishop of Vercelli, Italy |
| 25 Jun | 69.4 | Appointed | Francesco Arborio di Gattinara, B. † | Archbishop of Torino {Turin}, Italy |
| 59.2 | Appointed | Cornelio Bentivoglio † | Cardinal, Cardinal-Priest of Santa Cecilia |
| 39.2 | Appointed | Benedetto Bussi † | Bishop of Recanati e Loreto, Italy |
| 41.1 | Appointed | Felipe Itúrbide (Yturibe), O. Carm. † | Archbishop of Dubrovnik (Ragusa), Croatia | Archbishop Emeritus |
| 63.3 | Confirmed | François Amédée Milliet d’Arvillars † | Archbishop of Tarentaise (Moûtiers-en-Tarentaise), France |
| 61.6 | Died | Fortunato Morosini, O.S.B. † | Bishop of Brescia, Italy |
| 41.6 | Appointed | Josephus Olszański † | Auxiliary Bishop of Chełm, Poland |
| 41.6 | Appointed | Josephus Olszański † | Titular Bishop of Serra | Auxiliary Bishop of Chełm, Poland |
| 53.4 | Appointed | Gaspare Pizzolanti, O. Carm. † | Bishop of Cervia, Italy |
| 48.0 | Appointed | Domingo (Damiano) Polou † | Archbishop of Reggio Calabria, Italy |
| 30.2 | Appointed | Ferdinand Joseph Gabriel von Sarnthein † | Auxiliary Bishop of Brixen {Bressanone}, Italy |
| 30.2 | Appointed | Ferdinand Joseph Gabriel von Sarnthein † | Titular Bishop of Hypsus | Auxiliary Bishop of Brixen {Bressanone}, Italy |
| 30 Jun | | Born | Paolo Giuseppe Castelli Piratini † | Bononiae | Titular Bishop of Targa |
| 48.0 | Ordained Bishop | Domingo (Damiano) Polou † | Archbishop of Reggio Calabria, Italy |
| 2 Jul | 69.8 | Ordained Bishop | Angelo Maria Nappi, O.S.M. † | Bishop of Sant’Angelo dei Lombardi e Bisaccia, Italy |
| 3 Jul | | Born | Antonio de Torres, O.S.B. † | Lucera | Bishop of Sessa Aurunca, Italy |
| 40.5 | Selected | Gregorius Sorger † | Bishop of Knin, Croatia | Bishop of Transilvania, Erdély, Siebenbürgen, Romania |
| 5 Jul | 59.4 | Died | Antonio Laghi, O.F.M. † | Vicar Apostolic of Shansi {Scian-Si} (Chan-Si), China |
| Born | Nicola Notaris † | Terra di S. Caterina | Bishop of Squillace, Italy |
| 48.5 | Appointed | Francesco Saraceni, O.F.M. † | Vicar Apostolic of Shansi {Scian-Si} (Chan-Si), China |
| 6 Jul | 64.7 | Ordained Bishop | Giovanni Todone † | Bishop of Asti, Italy |
| 13 Jul | 48.5 | Ordained Bishop | Antonio López Portillo de Guadalupe, O.F.M. † | Bishop of Comayagua, Honduras |
| 53.4 | Ordained Bishop | Gaspare Pizzolanti, O. Carm. † | Bishop of Cervia, Italy |
| 14 Jul | 39.3 | Ordained Bishop | Benedetto Bussi † | Bishop of Recanati e Loreto, Italy |
| 48.5 | Selected | Sigismund Felix von Schrattenbach † | Bishop of Ljubljana, Slovenia |
| 16 Jul | 74.3 | Died | Gaspare Gori-Mancini, O.S.Io.Hieros. † | Bishop of Malta |
| 17 Jul | | Born | Miguel García San Esteban, O.P. † | Villar de Domingo García, Spain | Bishop of Nueva Segovia, Philippines |
| Born | Thomas Joseph Talbot † | Heythrop | Vicar Apostolic of Midland District, England, Great Britain |
| 18 Jul | 63.8 | Died | Franz Anton von Harrach zu Rorau † | Archbishop of Salzburg, Austria |
| 21 Jul | | Born | Alexandre da Silva Pedrosa Guimarães † | Brazil | Bishop Emeritus of Macau, China |
| 22 Jul | | Born | Ignacy Jakub Massalski † | Olekszczyce | Bishop of Vilnius, Lithuania |
| 23 Jul | | Born | Antonius Maria Ambiveri † | Bergamo | Titular Bishop of Aureliopolis in Asia |
| 62.5 | Appointed | James Gordon † | Vicar Apostolic of Lowland District, Scotland, Great Britain |
| 73.3 | Appointed | John Wallace † | Coadjutor Vicar Apostolic of Lowland District, Scotland, Great Britain |
| 25 Jul | | Born | Luis Antonio Jaime de Borbón y Farnesio † | |
| 27 Jul | | Died | Miguel Herrero Esgueva † | Archbishop of Santiago de Compostela, Spain |
| 29 Jul | | Born | Pedro Ángel de Espiñeira, O.F.M. † | San Pedro de Vilarino, Spain | Bishop of Concepción, Chile |
| 30 Jul | 43.4 | Appointed | José Henrique Correira da Gama † | Titular Bishop of Constantina |
| 35.4 | Appointed | Bernardino Ciani, O.S.A. † | Bishop of Montalcino, Italy |
| 45.3 | Appointed | Carlo Vincenzo Maria Ferreri Thaon, O.P. † | Bishop of Alessandria (della Paglia), Italy | Cardinal, Bishop of Vercelli, Italy |
| 71.2 | Confirmed | Gerolamo Francesco Malpasciuto † | Bishop of Vercelli, Italy |
| 49.1 | Appointed | Silvio Domenico Nicola † | Bishop of Ivrea, Italy |
| 47.3 | Appointed | Angelo Maria Quirini (Querini), O.S.B. † | Archbishop (Personal Title) of Brescia, Italy | Cardinal, Bishop |
| 69.8 | Appointed | Raymond Recrosio, B. † | Bishop of Nice, France |
| 51.9 | Appointed | Francesco (Dalmazio Octavio) Vasco, O.C.D. † | Bishop of Alba (Pompea), Italy |
| 31 Jul | 74.9 | Died | Johann Edmund Gedult von Jungenfeld † | Auxiliary Bishop of Mainz, Germany |
| 68.6 | Died | Giambattista Patrizi † | Cardinal, Titular Archbishop of Seleucia in Isauria |
| Aug | 66.8 | Died | Pietro Savastano, O.F.M. † | Bishop of Castellammare di Stabia, Italy |
| 2 Aug | | Born | Jean-Marie Cuchot d’Herbain † | Strasbourg | Auxiliary Bishop Emeritus of Trier, Germany |
| 4 Aug | 45.3 | Ordained Bishop | Carlo Vincenzo Maria Ferreri Thaon, O.P. † | Bishop of Alessandria (della Paglia), Italy | Cardinal, Bishop of Vercelli, Italy |
| 10 Aug | 35.4 | Ordained Bishop | Bernardino Ciani, O.S.A. † | Bishop of Montalcino, Italy |
| 17 Aug | 49.1 | Ordained Bishop | Silvio Domenico Nicola † | Bishop of Ivrea, Italy |
| 23 Aug | 43.6 | Selected | Jean-Louis Berton des Balbes de Crillon † | Archbishop of Toulouse, France | Archbishop of Narbonne, France |
| 24 Aug | 27.3 | Ordained Priest | Hieronim Antoni Szeptycki † | Priest | Bishop of Płock, Poland |
| 52.0 | Ordained Bishop | Francesco (Dalmazio Octavio) Vasco, O.C.D. † | Bishop of Alba (Pompea), Italy |
| 25 Aug | 16.0 | Professed | Severino Maria (Giuseppe) Castelli, O.S.B. † | Member of Order of Saint Benedict | Titular Bishop of Numida |
| 28 Aug | 62.0 | Died | Giacomo Falconi † | Bishop of Caiazzo, Italy |
| 30 Aug | | Born | Johann Baptist Joseph Gobel † | Thann | Auxiliary Bishop Emeritus of Basel, Switzerland |