| Date | Age | Event | Bishop | Title | Current Title |
| Jul | 57.5 | Ordained Bishop | Angel Mariano Moscoso Pérez y Oblitas † | Bishop of Córdoba (Tucumán), Argentina |
| 4 Jul | | Born | Nicolas-Joseph Dehesselle † | Charneux | Bishop of Namur {Namen}, Belgium |
| 10 Jul | | Appointed | Jacob Lanigan † | Bishop of Ossory, Ireland |
| 11 Jul | | Born | Antonio Stromillo, C.R. † | Gurga | Bishop of Caltanissetta, Italy |
| 12 Jul | 48.7 | Ordained Bishop | Charles-François Bailly de Messein † | Titular Bishop of Capsus | Coadjutor Bishop of Québec, Canada |
| 26 Jul | | Born | Antonius de Simone † | Napoli | Titular Archbishop of Heraclea in Europa |
| 3 Aug | 58.2 | Installed | Tommaso Antici † | Cardinal-Priest of S. Maria in Trastevere | |
| 57.7 | Appointed | Stefano Borgia † | Cardinal-Priest of S. Clemente | Cardinal, Prefect of the Congregation for Propagation of the Faith |
| 44.4 | Confirmed | François de Bovet † | Bishop of Sisteron, France | Archbishop Emeritus of Toulouse, France |
| 57.9 | Installed | Ignazio Busca † | Cardinal-Priest of S. Maria della Pace | Cardinal, Chamberlain (Camerlengo) of the College of Cardinals |
| 50.3 | Installed | Filippo Campanelli † | Cardinal-Deacon of S. Maria della Scala | Cardinal, Cardinal-Deacon of S. Cesareo in Palatio |
| 40.3 | Appointed | Josephus Corari † | Auxiliary Bishop of Sabina, Italy |
| 40.3 | Appointed | Josephus Corari † | Titular Bishop of Eucarpia | Auxiliary Bishop of Sabina, Italy |
| 56.0 | Elevated to Cardinal | Ludovico Flangini Giovanelli † | Cardinal, Patriarch of Venezia {Venice}, Italy |
| 48.7 | Appointed | Joseph Christian Franz de Paula zu Hohenlohe-Waldenburg-Bartenstein † | Titular Bishop of Lerus | Bishop of Wrocław (Breslau), Poland |
| 48.7 | Confirmed | Joseph Christian Franz de Paula zu Hohenlohe-Waldenburg-Bartenstein † | Coadjutor Bishop of Wrocław (Breslau), Poland | Bishop |
| 66.6 | Appointed | Juan Manuel Moscoso y Peralta † | Archbishop of Granada, Spain |
| 52.8 | Appointed | Filippo Sardi † | Archbishop of Lucca, Italy |
| 60.7 | Appointed | Fernando Spinelli † | Cardinal-Deacon of S. Angelo in Pescheria | Cardinal, Cardinal-Deacon of S. Maria in Cosmedin |
| 67.6 | Appointed | Louis-Jérême de Suffren de Saint-Tropez † | Bishop of Nevers, France |
| 5 Aug | 22.5 | Ordained Priest | Valery Henryk Kamionko † | Priest | Auxiliary Bishop of Lviv, Ukraine |
| 9 Aug | 40.4 | Ordained Bishop | Josephus Corari † | Titular Bishop of Eucarpia | Auxiliary Bishop of Sabina, Italy |
| Born | Giusto Recanati, O.F.M. Cap. † | Camerino | Cardinal, Cardinal-Priest of Ss. XII Apostoli |
| 13 Aug | | Born | Antonio Petrani † | Gorizia | Bishop of Poreč i Pula, Croatia |
| 14 Aug | | Born | Ferdinando Baldanzi † | Prato | Archbishop of Siena, Italy |
| 15 Aug | 48.7 | Died | Francesco Pio Santi † | Bishop of Sovana (Soana), Italy |
| 16 Aug | 42.9 | Selected | Jean-Charles de Coucy † | Bishop of La Rochelle, France | Archbishop of Reims, France |
| 60.9 | Ordained Bishop | Antonio Feliú y Centena † | Bishop of Santiago de Cuba |
| 52.8 | Ordained Bishop | Filippo Sardi † | Archbishop of Lucca, Italy |
| 17 Aug | 60.9 | Died | Jean Davoust, M.E.P. † | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 37.2 | Succeeded | Jacques-Benjamin Longer, M.E.P. † | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 18 Aug | 70.1 | Died | Giovanni Morosini, O.S.B. † | Bishop of Verona, Italy |
| 23 Aug | 48.7 | Ordained Bishop | José Pérez Calama † | Bishop of Quito, Ecuador | Bishop Emeritus |
| 31 Aug | 87.7 | Died | Nicolò de Amato † | Bishop of Lacedonia, Italy |
| Sep | 24.0 | Ordained Priest | Philibert de Bruillard † | Priest | Bishop Emeritus of Grenoble, France |
| 7 Sep | 54.7 | Died | Manuel Obellar, O.P. † | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viêt Nam |
| 11 Sep | | Born | Francesco Capezzuti † | Leprano | Bishop of Ariano, Italy |
| 13 Sep | 44.5 | Ordained Bishop | François de Bovet † | Bishop of Sisteron, France | Archbishop Emeritus of Toulouse, France |
| 53.1 | Selected | Charles-François d’Aviau Du Bois-de-Sanzay † | Archbishop of Vienne, France | Archbishop of Bordeaux, France |
| 42.9 | Succeeded | Joannes Bapt. Jesich † | Bishop of Senj (-Modruš), Croatia |
| 81.4 | Died | Aldrago Antonio de Piccardi † | Bishop of Senj (-Modruš), Croatia |
| 20 Sep | 62.6 | Appointed | José Campos Julián, O.C.D. † | Archbishop of La Plata o Charcas, Bolivia |
| 27 Sep | 48.9 | Ordained Bishop | Joseph Christian Franz de Paula zu Hohenlohe-Waldenburg-Bartenstein † | Titular Bishop of Lerus | Bishop of Wrocław (Breslau), Poland |
| 30 Sep | 46.7 | Resigned | Ignazio-Gaetano Boncompagni-Ludovisi † | Secretary of the Secretariat of State | Cardinal, Secretary Emeritus |
| 61.2 | Died | Dominicus Petrus Karwosiecki, O.F.M. Conv. † | Bishop of Bacău, Romania |
| 5 Oct | | Born | Leon Michal von Przyluski † | Strzeszynek | Archbishop of Gniezno-Poznań, Poland |
| 8 Oct | 64.6 | Died | Juan Manuel Cornel † | Bishop of Barbastro, Spain |
| 77.8 | Died | François-Joseph-Gaston de Partz de Pressy † | Bishop of Boulogne (-Sur-Mer), France |
| 57.2 | Died | Johann Andreas Seelmann † | Auxiliary Bishop of Speyer, Germany |
| 10 Oct | 82.0 | Died | Pascual López Estaún (Estac) † | Bishop of Huesca, Spain |
| 12 Oct | 71.0 | Died | Giovanni Maria Riminaldi † | Cardinal, Cardinal-Priest of S. Silvestro in Capite |
| 16 Oct | | Born | Louis-François Robin † | Bracquemont | Bishop of Bayeux (-Lisieux), France |
| 18 Oct | 47.8 | Selected | Jean-René Asseline † | Bishop of Boulogne (-Sur-Mer), France |
| 20 Oct | 34.1 | Appointed | Cesare Brancadoro † | Titular Archbishop of Nisibis | Cardinal, Archbishop of Fermo, Italy |
| 21 Oct | 71.8 | Died | Manoel da Ressurreição, O.F.M. † | Bishop of São Paulo, Brazil |
| 4 Nov | | Born | Giuseppe Passaponti † | Bologna | Auxiliary Bishop of Bologna, Italy |
| 5 Nov | 56.5 | Died | Ignatius Nagy de Sellye † | Bishop of Székesfehérvár (Albareale), Hungary |
| 6 Nov | 54.8 | Appointed | John Carroll † | Bishop of Baltimore, Maryland, USA | Archbishop of Baltimore, Maryland, USA |
| 15 Nov | | Born | Leonardo Todisco Grande † | Bisceglie | Bishop of Ascoli Satriano e Cerignola, Italy |
| 21 Nov | 67.2 | Died | Gerolamo Landolfi (Dandolfi) † | Bishop of Pozzuoli, Italy |
| 29 Nov | | Born | William Dollard (Dullard) † | Bathkyram, Ireland | Bishop of Saint John in America, New Brunswick, Canada |
| 1 Dec | | Born | Beninj Antun Albertini, O.F.M. † | Dubrovnik | Bishop of Shkodrë (Scutari), Albania |
| 7 Dec | 73.4 | Died | Emmanuel Ernst von Waldstein † | Bishop of Litoměřice, Czech Republic |
| 8 Dec | | Born | Louis Rossat † | Lyon | Bishop of Verdun, France |
| 9 Dec | | Born | Louis Rendu † | Meyrin près Genève | Bishop of Annecy, France |
| 11 Dec | 28.9 | Professed | Jean-Jacques Guérard, M.E.P. † | Priest of La Société des Missions Etrangères | Coadjutor Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 14 Dec | 48.0 | Confirmed | Jean-René Asseline † | Bishop of Boulogne (-Sur-Mer), France |
| 55.1 | Appointed | Giuseppe Bertieri, O.A.D. † | Bishop of Como, Italy | Bishop of Pavia, Italy |
| 26.0 | Appointed | Eusebio Luciano Carvalho Gomes da Silva, C.M. † | Bishop of Nanking [Nanjing], China | Bishop-Elect |
| 43.2 | Confirmed | Jean-Charles de Coucy † | Bishop of La Rochelle, France | Archbishop of Reims, France |
| 53.4 | Confirmed | Charles-François d’Aviau Du Bois-de-Sanzay † | Archbishop of Vienne, France | Archbishop of Bordeaux, France |
| Appointed | Marcelino José Da Silva † | Bishop of Macau, China | Bishop Emeritus |
| 56.4 | Installed | Ludovico Flangini Giovanelli † | Cardinal-Deacon of Ss. Cosma e Damiano | Cardinal, Patriarch of Venezia {Venice}, Italy |
| 46.6 | Appointed | Bartolomé María de las Heras Navarro † | Bishop of Cuzco, Peru | Archbishop of Lima, Peru |
| 54.7 | Appointed | Victoriano López Gonzalo † | Bishop of Cartagena (en España) |
| 50.7 | Appointed | Franc Jožef Mikolič (Mikolitsch) † | Auxiliary Bishop of Ljubljana, Slovenia |
| 50.7 | Appointed | Franc Jožef Mikolič (Mikolitsch) † | Titular Bishop of Gratianopolis | Auxiliary Bishop of Ljubljana, Slovenia |
| 57.8 | Appointed | Giuseppe Gregorio Scotti † | Bishop of Nona (Nin), Croatia | Archbishop of Zadar (Zara), Croatia |
| 16 Dec | | Born | Timothy Murphy † | Aghabullogue | Bishop of Ross, Ireland |
| 19 Dec | 25.4 | Ordained Priest | Paul Louis Joseph D’Hautpoul † | Priest | Bishop Emeritus of Cahors, France |
| 26.8 | Ordained Priest | Luigi Pietro Grati, O.S.M. † | Priest of Order of Friar Servants of Mary | Titular Bishop of Callinicum |
| 24.2 | Ordained Priest | Michelangelo Lupoli † | Priest | Archbishop of Salerno (-Acerno), Italy |
| 21 Dec | | Born | Raffaele Purpo † | Sorrento | Bishop of Pozzuoli, Italy |
| 22 Dec | 70.0 | Died | Gregorio Francisco de Campos † | Bishop of La Paz, Bolivia |
| 25 Dec | | Born | Michele Todde Valeri † | Cagliari | Bishop of Ogliastra, Italy |
| 29 Dec | 74.9 | Died | Jean-Georges Lefranc de Pompignan † | Archbishop of Vienne, France |
| 30 Dec | 50.2 | Died | Max Polykarp von Törring-Jettenbach † | Bishop of Regensburg, Germany |