| Date | Age | Event | Bishop | Title | Current Title |
| 3 Jul | | Born | Fridericus von Pfutschner † | Herbipolen | Auxiliary Bishop of Győr (Raab), Hungary |
| 4 Jul | 55.5 | Died | Guillaume Bochart de Champigny † | Bishop of Valence, France |
| 5 Jul | 24.2 | Ordained Priest | Camillo Cibo (Cybo) † | Priest | Cardinal, Cardinal-Priest of Santa Maria degli Angeli |
| 63.5 | Died | Alonso Antonio de San Martín † | Bishop of Cuenca, Spain |
| 11 Jul | 37.5 | Appointed | Louis Frétat de Boissieu † | Bishop of Saint-Brieuc, France |
| 47.9 | Selected | Johann Konrad von Reinach-Hirzbach † | Bishop of Basel, Switzerland |
| 12 Jul | | Born | Antonio Maria Franci † | Grosseto | Bishop of Grosseto, Italy |
| 20 Jul | 42.2 | Appointed | Carlos Borja Centellas y Ponce de León † | Titular Archbishop of Trapezus | Cardinal, Patriarch of West Indies, Spain |
| 65.6 | Died | Peter Creagh † | Archbishop of Dublin, Ireland |
| 54.6 | Appointed | Juan Antonio Muñoz Salcedo, O.S.H. † | Bishop of Mondoñedo, Spain |
| 31 Jul | 63.6 | Died | Lucio Borghesi † | Bishop of Chiusi, Italy |
| Aug | 55.9 | Died | Marcello Cavalieri, O.P. † | Bishop of Gravina (di Puglia), Italy |
| Born | Marco Aurelio Petruccelli † | Castrifranchi | Bishop of Nardò, Italy |
| 1 Aug | | Born | Manuel Macías Pedrejón † | Becerril de Campos | Bishop of Lérida, Spain |
| 2 Aug | 22.9 | Ordained Priest | Ludovico Savageri, C.R.S. † | Priest of Orden de los Padres Somascos | Bishop Emeritus of Alatri, Italy |
| 16 Aug | 46.6 | Selected | Jean de Catelan † | Bishop of Valence, France |
| 28.9 | Ordained Priest | Johann Leopold von Gudenus † | Priest of Mainz, Germany | Auxiliary Bishop of Worms, Germany |
| 21 Aug | | Appointed | Andreas Gifford † | Titular Bishop of Centuria |
| 40.6 | Appointed | James Gordon † | Coadjutor Vicar Apostolic of Scotland, Great Britain | Vicar Apostolic of Lowland District, Scotland, Great Britain |
| 40.6 | Appointed | James Gordon † | Titular Bishop of Nicopolis in Armenia | Vicar Apostolic of Lowland District, Scotland, Great Britain |
| 22 Aug | | Died | Gaspar Gasparini, O.F.M. Conv. † | Titular Bishop of Spiga(z) (or Pegae) |
| 24 Aug | | Born | Bartholomaeus Amoroso † | Napoli | Bishop of Crotone (Cotrone), Italy |
| 27 Aug | | Born | Ludovico Terin Bonesio, O.F.M. Cap. † | Torino | Bishop of Bobbio, Italy |
| Sep | 38.5 | Died | Alphonsus del Balzo † | Bishop of Carinola (Calina), Italy |
| 2 Sep | 69.6 | Died | Giacinto Camillo Maradei † | Bishop of Policastro, Italy |
| 3 Sep | | Born | Manuel Murillo Argáiz † | Murillo de Río Leza | Bishop Emeritus of Segovia, Spain |
| 68.7 | Died | Édouard Valot † | Bishop Emeritus of Nevers, France |
| 5 Sep | 48.0 | Confirmed | Johann Konrad von Reinach-Hirzbach † | Bishop of Basel, Switzerland |
| 7 Sep | 41.3 | Confirmed | François Blouet de Camilly † | Bishop of Toul, France | Archbishop of Tours, France |
| 57.7 | Confirmed | Louis-Marcel de Coëtlogon-Méjusseaume † | Bishop of Tournai {Doornik}, Belgium |
| 46.4 | Appointed | François-Maurice Gontieri (de Gonteriis) † | Archbishop of Avignon, France |
| 42.7 | Confirmed | Joseph de Révol † | Bishop of Oloron (Oloron-Sainte-Marie), France | Bishop Emeritus |
| 8 Sep | 82.0 | Died | Annibale de Petropaolo † | Bishop of Castellammare di Stabia, Italy |
| 12 Sep | | Born | Giovanni Angelo Ciocchi del Monte † | Vico | Archbishop Emeritus of Brindisi, Italy |
| 16 Sep | | Born | Giacomo Gaetano Inghirami † | Volterra | Bishop of Arezzo, Italy |
| 17 Sep | 65.0 | Died | Gregorio Compagni, O.P. † | Bishop of Larino, Italy |
| Born | Nicolò Lercari † | Tabiae | Titular Archbishop of Rhodus |
| 19 Sep | 24.2 | Ordained Priest | Eusebio Ciani † | Priest | Bishop of Massa Marittima, Italy |
| 24.1 | Ordained Priest | Bl. Antonio Lucci, O.F.M. Conv. † | Priest of Order of Friars Minor Conventual | Bishop of Bovino, Italy |
| 23.2 | Ordained Priest | Salvatore Miroballo † | Priest | Archbishop Emeritus of Nazareth |
| 21 Sep | 46.5 | Ordained Bishop | François-Maurice Gontieri (de Gonteriis) † | Archbishop of Avignon, France |
| 24 Sep | 16.6 | Professed | Nicolaus (Arcangelo) Bianchini, O.C.D. † | Member of Order of Discalced Carmelites | Bishop of Sovana (Soana), Italy |
| 26 Sep | 70.7 | Died | Tommaso d’Aquino, C.R. † | Bishop of Sessa Aurunca, Italy |
| Oct | | Born | Joannes Wenceslaus von Freyenfels † | Brunn | Auxiliary Bishop of Olomouc, Czech Republic |
| 4 Oct | | Born | Giuseppe Maria Castelli † | Milan, Italy | Cardinal, Prefect of the Congregation for Propagation of the Faith |
| 30.4 | Ordained Priest | Giovanni Costantino Falletti † | Priest | Archbishop of Cagliari, Italy |
| 11 Oct | 37.8 | Ordained Bishop | Louis Frétat de Boissieu † | Bishop of Saint-Brieuc, France |
| 59.9 | Died | Augustyn Michal Stefan Radziejowski † | Cardinal, Archbishop of Gniezno, Poland |
| 18 Oct | | Born | Giuseppe Boccarelli † | Napoli | Bishop of Termoli, Italy |
| Born | Johann Wenzel Xaver Frey von Freyenfels † | Brno | Auxiliary Bishop of Olomouc (Olmütz), Czech Republic |
| 34.3 | Ordained Bishop | François de Madot † | Bishop of Belley, France | Bishop of Chalons-sur-Saône, France |
| 19 Oct | 42.0 | Selected | Franz Anton von Harrach zu Rorau † | Coadjutor Archbishop of Salzburg, Austria | Archbishop |
| 21 Oct | | Born | Joseph Ferdinand Guidobald von Spaur und Valör † | Innsbruck | Titular Bishop of Abila in Palaestina |
| 25 Oct | 50.3 | Ordained Bishop | Honoré Quiqueran de Beaujeu † | Bishop of Castres, France |
| 29 Oct | 75.8 | Died | Antoine-François Bertier † | Bishop of Rieux, France |
| 31 Oct | 80.8 | Died | Gabriel de Blauza † | Patriarch of Antiochia {Antioch} (Maronite), Lebanon |
| Born | Lorenzo (Giovanni Vincenzo Antonio) Ganganelli, O.F.M. Conv. † | Sant' Arcangelo di Romagna | Pope (Roma {Rome}, Italy) |
| Nov | 72.6 | Died | Fabrizio Susanna † | Bishop of Montepeloso, Italy |
| 1 Nov | 54.8 | Selected | Édouard Bargedé † | Bishop of Nevers, France |
| 3 Nov | | Born | Bonaventura Prestandrea, O.F.M. Conv. † | Messina | Bishop of Lipari, Italy |
| 6 Nov | | Selected | Jacob IV Awad † | Patriarch of Antiochia {Antioch} (Maronite), Lebanon |
| 8 Nov | 42.9 | Ordained Bishop | Joseph de Révol † | Bishop of Oloron (Oloron-Sainte-Marie), France | Bishop Emeritus |
| 12 Nov | 41.5 | Ordained Bishop | François Blouet de Camilly † | Bishop of Toul, France | Archbishop of Tours, France |
| 15 Nov | | Born | Girolamo Clarelli † | Rieti | Bishop of Rieti, Italy |
| 16 Nov | 44.9 | Appointed | Johann Werner Schnatz † | Auxiliary Bishop of Bamberg, Germany |
| 44.9 | Appointed | Johann Werner Schnatz † | Titular Bishop of Dragobitia (Drago) | Auxiliary Bishop of Bamberg, Germany |
| Born | Isidoro Sanchez de Luna, O.S.B. † | Napoli | Archbishop Emeritus of Salerno, Italy |
| 18 Nov | 57.9 | Died | Jorge Cárdenas Valenzuela † | Bishop of Osma, Spain |
| 30 Nov | 42.6 | Ordained Bishop | Carlos Borja Centellas y Ponce de León † | Titular Archbishop of Trapezus | Cardinal, Patriarch of West Indies, Spain |
| Dec | 62.8 | Died | García Felipe de Legazpi y Velasco Altamirano y Albornoz † | Bishop of Tlaxcala, México |
| 68.9 | Died | Pietro Luigi Malaspina, C.R. † | Bishop of Massa Marittima, Italy |
| 6 Dec | 39.1 | Ordained Priest | Francisco Eustaquio Perea Porras † | Priest | Archbishop of Granada, Spain |
| 7 Dec | | Appointed | Gerardus Potcamp † | Titular Archbishop of Thebae |
| 13 Dec | 41.6 | Installed | François Blouet de Camilly † | Bishop of Toul, France | Archbishop of Tours, France |
| 14 Dec | 47.0 | Confirmed | Jean de Catelan † | Bishop of Valence, France |
| 41.0 | Appointed | Nuno da Cunha e Ataíde † | Titular Bishop of Targa | Cardinal, Cardinal-Priest of Sant’Anastasia |
| 55.9 | Appointed | Francisco del Rincón, O.M. † | Archbishop of Santo Domingo, Dominican Republic | Archbishop of Santafé en Nueva Granada, Colombia |
| 57.0 | Appointed | Jerónimo Nosti de Valdés, O.S.Bas. † | Bishop of Santiago de Cuba |
| 56.5 | Appointed | Raffaele Maria Filamondo, O.P. † | Bishop of Sessa Aurunca, Italy |
| 36.3 | Appointed | Bartolomeo Gambadoro † | Bishop of Ruvo (Ruo)(di Puglia), Italy |
| 54.0 | Appointed | Kazimierz Łubieński † | Bishop of Chełm, Poland | Bishop of Kraków, Poland |
| 54.5 | Appointed | Michele Petirro † | Bishop of Pozzuoli, Italy |
| 60.2 | Appointed | Dionisio Resino (Rezino) y Ormachea † | Auxiliary Bishop of Santiago de Cuba |
| 60.2 | Appointed | Dionisio Resino (Rezino) y Ormachea † | Titular Bishop of Adramyttium | Auxiliary Bishop of Santiago de Cuba |
| 36.4 | Appointed | Marco Antonio de Rosa † | Bishop of Policastro, Italy |
| 60.3 | Appointed | António Vasconcelos e Sousa † | Bishop of Coimbra, Portugal |
| 16 Dec | | Born | Gennaro Perrelli † | Napoli | Bishop of Penne e Atri, Italy |
| Died | Gerardus Potcamp † | Titular Archbishop of Thebae |
| 17 Dec | 52.0 | Appointed | Luigi (Ludovico) Capuano (de Capua) † | Bishop of Gravina (di Puglia), Italy |
| 19 Dec | 23.1 | Ordained Priest | Gennaro Fortunato † | Priest | Bishop of Cassano all’Jonio, Italy |
| 29.4 | Ordained Priest | Nicola Pignatelli † | Priest | Bishop of Minervino Murge, Italy |
| 21 Dec | 45.0 | Ordained Bishop | Johann Werner Schnatz † | Titular Bishop of Dragobitia (Drago) | Auxiliary Bishop of Bamberg, Germany |
| 24 Dec | 51.0 | Selected | Pierre de Charritz de Ruthie † | Bishop of Rieux, France |