| Date | Age | Event | Bishop | Title | Current Title |
| 3 Jul | 73.7 | Resigned | Henri-Osvald de La Tour d’Auvergne de Bouillon † | Archbishop of Vienne, France | Cardinal, Archbishop Emeritus |
| 69.8 | Died | Andrés de Paredes y Armendáriz † | Bishop of Quito, Ecuador |
| 4 Jul | 65.3 | Ordained Bishop | Antonio Milón López † | Archbishop of the Titular See |
| 65.3 | Ordained Bishop | Antonius Milon † | Titular Archbishop of Edessa in Osrhoëne |
| 9 Jul | | Born | Jean Pradelle † | Gagnac | Bishop-Elect of Bayeux, France |
| 10 Jul | | Born | Joaquín Sánchez Cutanda † | Rubielos de Mora | Bishop of Huesca, Spain |
| 11 Jul | 56.2 | Ordained Bishop | Hijacint Marija Milković, O.P. † | Bishop of Stagno (Ston), Croatia | Archbishop of Dubrovnik (Ragusa), Croatia |
| 18 Jul | 48.2 | Appointed | Jean-Antoine de Tinseau † | Bishop of Belley, France | Bishop of Nevers, France |
| 19 Jul | 49.3 | Appointed | Márton Bíró † | Bishop of Veszprém, Hungary |
| 43.5 | Appointed | Guillaume d’Arche † | Bishop of Bayonne, France |
| 54.1 | Confirmed | Simon-Pierre de Lacoré (La Corée) † | Bishop of Saintes, France |
| 68.0 | Appointed | Felice Leone, O.S.A. † | Bishop of Avellino e Frigento, Italy |
| 57.5 | Appointed | Gaspar José Vázquez Tablada † | Bishop of Oviedo, Spain |
| 24 Jul | 54.0 | Died | Meinwerk Kaup, O.S.B. † | Auxiliary Bishop of Paderborn, Germany |
| 25 Jul | 68.0 | Ordained Bishop | Felice Leone, O.S.A. † | Bishop of Avellino e Frigento, Italy |
| 24.4 | Ordained Priest | Damian August Philipp Karl von Limburg-Styrum † | Priest of Münster, Germany | Bishop of Speyer, Germany |
| Aug | 70.5 | Died | Domenico Antonio Cirillo † | Bishop of Teano, Italy |
| Born | Michal Pałucki † | Dambnen | Titular Bishop of Adraa |
| 1 Aug | 65.5 | Ordained Bishop | Alessandro Guiccioli † | Bishop of Rimini, Italy |
| 2 Aug | | Born | Josephus Marques da Silva, O.C.D. † | Salreu | Bishop of Cochin, India |
| 4 Aug | | Born | Gregorio (Felix Antonius Paschalis) Boari, O.F.M. Cap. † | Marrara | Bishop of Comacchio, Italy |
| 8 Aug | 25.6 | Ordained Deacon | Melchior Jan Kochnowski † | Deacon | Auxiliary Bishop of Chełm, Poland |
| 10 Aug | 25.6 | Ordained Priest | Melchior Jan Kochnowski † | Priest | Auxiliary Bishop of Chełm, Poland |
| 11 Aug | | Born | Ignatius Cajetanus von Buset zu Faistenberg † | Raka-Arch | Bishop of Trieste, Italy |
| 15 Aug | 49.3 | Ordained Bishop | Márton Bíró † | Bishop of Veszprém, Hungary |
| 24.6 | Ordained Priest | Giovanni Giacomo Onorati † | Priest | Bishop of Troia, Italy |
| 22 Aug | | Born | Heinrich (Philipp Ernst) von Warnsdorf, O.S.B. † | Würzburg | Vicar Apostolic of Fulda, Germany |
| 23 Aug | 42.1 | Confirmed | Christophe de Beaumont du Repaire † | Archbishop of Vienne, France | Archbishop of Paris, France |
| 50.8 | Appointed | Juan Bautista Ferrer y Castro † | Bishop of Lugo, Spain |
| 57.0 | Appointed | Cayetano Gil Taboada † | Archbishop of Santiago de Compostela, Spain |
| 50.3 | Appointed | José Larumbe Mallí † | Bishop of Tui, Spain |
| 59.3 | Appointed | José Francisco de San Buenaventura Martínez de Tejada y Díez de Velasco, O.F.M. † | Bishop of Yucatán (Mérida), México | Bishop of Guadalajara, Jalisco, México |
| 40.6 | Appointed | Juan Pablo de Olmedo † | Bishop of Santa Cruz de la Sierra, Bolivia |
| 25 Aug | | Born | Marcos de Moriana y Zafrilla † | Cañada del Hoyo, Spain | Bishop of Michoacán, México |
| 26 Aug | 77.7 | Died | Paul-Robert Hertault de Beaufort † | Bishop of Lectoure, France |
| 31 Aug | | Born | Camille-Louis-Apollinaire de Polignac † | Paris | Bishop Emeritus of Meaux, France |
| Sep | | Born | Luis Rodrigues Vilares † | S. Pauli | Bishop of Funchal, Portugal |
| 1 Sep | | Born | Orazio Magliola † | S. Arpino | Bishop of Acerra, Italy |
| 7 Sep | 58.6 | Died | Alessandro Magno, O. Cist. † | Bishop of San Marco (Argentano), Italy |
| Born | Klaus Münst von Uttenweiler, O.F.M. Cap. † | Uttenwerler, Germany | Titular Bishop of Myndus |
| 12 Sep | 42.3 | Ordained Bishop | Isidoro Marín Bullón y Figueroa † | Bishop of Nicaragua |
| 69.3 | Ordained Bishop | Diego Felipe Gómez de Angulo † | Bishop of Antequera, Oaxaca, México |
| 48.4 | Ordained Bishop | Jean-Antoine de Tinseau † | Bishop of Belley, France | Bishop of Nevers, France |
| 26.9 | Ordained Priest | Carlo Zangheri † | Priest | Bishop of Assisi, Italy |
| 74.8 | Died | Vicko Zmajević † | Archbishop of Zadar (Zara), Croatia |
| 13 Sep | 63.2 | Appointed | Francesco Landi Pietra † | Cardinal-Priest of San Giovanni a Porta Latina | Cardinal, Archbishop Emeritus of Benevento, Italy |
| 15 Sep | 43.7 | Ordained Bishop | Guillaume d’Arche † | Bishop of Bayonne, France |
| 17 Sep | 54.3 | Ordained Bishop | Simon-Pierre de Lacoré (La Corée) † | Bishop of Saintes, France |
| 18 Sep | 24.1 | Ordained Priest | Joseph-Crispin des Achards de La Baume † | Priest | Bishop of Cavaillon, France |
| 25.4 | Ordained Priest | Antonio Martini † | Priest | Archbishop of Firenze {Florence}, Italy |
| 21 Sep | 25.1 | Ordained Priest | Francesco Maria Pasini † | Priest | Bishop of Todi, Italy |
| 22 Sep | 32.4 | Appointed | Edmond Bennetat, M.E.P. † | Coadjutor Vicar Apostolic of Cochin {Cocincina}, Viet Nam | Coadjutor Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viet Nam |
| 32.4 | Appointed | Edmond Bennetat, M.E.P. † | Titular Bishop of Eucarpia | Coadjutor Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viet Nam |
| 49.8 | Appointed | Bl. Francisco Serrano Frías, O.P. † | Coadjutor Vicar Apostolic of Fo-Kien, China | Vicar Apostolic |
| 49.8 | Appointed | Bl. Francisco Serrano Frías, O.P. † | Titular Bishop of Tipasa in Mauretania | Vicar Apostolic of Fo-Kien, China |
| 23 Sep | | Born | Juan Miguel Pérez González † | Villaluenga del Rosario | Bishop of Gerona, Spain |
| 30 Sep | 57.1 | Installed | Cayetano Gil Taboada † | Archbishop of Santiago de Compostela, Spain |
| 1 Oct | | Born | Remigio de La Santa y Ortega † | Yecla, Spain | Bishop of Lérida, Spain |
| 50.4 | Ordained Bishop | José Larumbe Mallí † | Bishop of Tui, Spain |
| 3 Oct | 57.7 | Ordained Bishop | Gaspar José Vázquez Tablada † | Bishop of Oviedo, Spain |
| 7 Oct | 59.4 | Died | Antonius Kacich † | Archbishop of Split (Spalato), Croatia |
| 8 Oct | 87.4 | Died | Giovanni Ghirardi † | Bishop of Montemarano, Italy |
| 10 Oct | 23.8 | Ordained Priest | Domingos da Encarnação Pontevel, O.P. † | Priest of Order of Friars Preachers | Bishop of Mariana, Brazil |
| 12 Oct | 43.8 | Ordained Bishop | Jean-Louis de Gouyon de Vaudurand † | Bishop of Saint-Pol-de-Léon, France | Bishop Emeritus |
| 14 Oct | | Born | Charles Mannay † | Champeix, France | Bishop of Rennes, France |
| 20 Oct | | Born | Giuseppe Francesco Maria Ferraris da Genola † | Taurinen | Bishop of Saluzzo, Italy |
| 52.9 | Resigned | Camillo Paolucci (Merlini) † | Apostolic Nuncio to Austria | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 29 Oct | 73.2 | Died | Johann Baptist Haus † | Auxiliary Bishop of Basel, Switzerland |
| Nov | 30.8 | Ordained Priest | José Antonio Umeres de Miranda (Humeres) † | Priest of Concepción, Chile | Bishop of Panamá |
| 1 Nov | 20.9 | Professed | Ermenold Piesport, O.S.B. † | Member of Order of Saint Benedict | Auxiliary Bishop of Fulda, Germany |
| 2 Nov | 77.5 | Died | José Platas † | Auxiliary Bishop of Santiago de Compostela, Spain |
| 3 Nov | | Born | Gualphardus Ridolfi † | Verona | Bishop of Rimini, Italy |
| 7 Nov | | Born | Theodorus Lauretanus Balbi † | Veglen | Bishop of Novigrad (Cittanova), Croatia |
| Born | Pietro Antonio Zorzi, C.R.S. † | Castello di Novegradi | Cardinal, Archbishop of Udine, Italy |
| 11 Nov | 66.9 | Installed | Martín de Elizacoechea † | Bishop of Michoacán, México |
| 17 Nov | | Born | Felipe Pelaez Caunedo † | Caunedo | Bishop of Lugo, Spain |
| 20 Nov | 82.9 | Died | Bartolomeo Massei † | Cardinal, Bishop of Ancona e Numana, Italy |
| 21 Nov | 51.1 | Ordained Bishop | Juan Bautista Ferrer y Castro † | Bishop of Lugo, Spain |
| 55.4 | Ordained Bishop | Pedro José Manuel (Pedro de la Trinidad) Martínez de Arizala, O.F.M. † | Archbishop of Manila, Philippines |
| 22 Nov | 41.9 | Appointed | Bernardus Bonaventura Bokenhemer, O.F.M. † | Titular Bishop of Apollonia |
| 45.9 | Appointed | Mattaeus Caraman † | Archbishop of Zadar (Zara), Croatia |
| 45.2 | Appointed | Nicolaus Dinaricio † | Bishop of Ossero (Osor), Croatia | Archbishop of Split (Spalato), Croatia |
| 62.6 | Appointed | Matteo (Marcello) Sacco † | Bishop of San Marco (Argentano), Italy |
| 27 Nov | | Born | Franz Karl Joseph von Hohenlohe-Waldenburg-Schillingsfürst † | Waldenburg | Bishop of Augsburg, Germany |
| 28 Nov | 42.6 | Installed | Louis-Jacques d’Audibert de Lussan † | Archbishop of Bordeaux, France |
| 45.2 | Ordained Bishop | Nicolaus Dinaricio † | Bishop of Ossero (Osor), Croatia | Archbishop of Split (Spalato), Croatia |
| 30 Nov | 62.7 | Ordained Bishop | Matteo (Marcello) Sacco † | Bishop of San Marco (Argentano), Italy |
| Born | Juan Antonio de la Virgen María (Viana), O.C.D. † | Lagrán, Spain | Bishop of Almería, Spain |
| 1 Dec | 44.0 | Resigned | Leopold Heinrich Wilhelm von Schorror † | Vicar Apostolic of Upper and Lower Saxony (Hanover), Germany | Vicar Apostolic Emeritus |
| 63.4 | Appointed | Johann Wilhelm von Twickel † | Vicar Apostolic of Upper and Lower Saxony (Hanover), Germany | Auxiliary Bishop of Hildesheim, Germany |
| 2 Dec | | Born | Sébastien-Charles-Philibert de Roger de Cahuzac de Caux † | Caux | Bishop Emeritus of Aire, France |
| 3 Dec | 52.6 | Died | Giovanni Antonio Benzoni † | Bishop of Senj (-Modruš), Croatia |
| 4 Dec | 50.9 | Resigned | João da Cruz Salgado de Castilho, O.C.D. † | Bishop of São Sebastião do Rio de Janeiro, Brazil | Bishop of Miranda (do Douro), Portugal |
| 5 Dec | 46.6 | Died | Gabriel Patachich † | Archbishop of Kalocsa, Hungary |
| 6 Dec | 82.1 | Died | Imre Esterházy, O.S.P.P.E. † | Archbishop of Esztergom, Hungary |
| 8 Dec | 69.8 | Died | Dionigi Pieragostini † | Bishop of San Severino (Marche), Italy |
| 9 Dec | 47.9 | Selected | Ferdinand Julius von Troyer † | Cardinal, Bishop of Olomouc (Olmütz), Czech Republic |
| 10 Dec | | Born | Matthäus Georg von Chandelle † | Frankfurt/Main | Bishop of Speyer, Germany |
| 11 Dec | | Born | Gabriel Cortois de Pressigny † | Dijon | Archbishop of Besançon, France |
| 12 Dec | 69.6 | Died | Giovanni Andrea Schiano † | Bishop of Massa Lubrense, Italy |
| 15 Dec | 55.9 | Appointed | Manoel da Cruz Nogueira, O. Cist. † | Bishop of Mariana, Brazil |
| 36.0 | Appointed | Ludovico Das Chagas, O.S.A. † | Bishop of São Tomé e Príncipe |
| 51.5 | Appointed | Antônio de Nossa Senhora do Desterro Malheiro, O.S.B. † | Bishop of São Sebastião do Rio de Janeiro, Brazil |
| 37.0 | Appointed | Giorgio Doria † | Cardinal, Cardinal-Priest of Sant’Agostino |
| 51.8 | Appointed | José Ignacio Rodríguez Cornejo † | Bishop of Palencia, Spain | Bishop of Plasencia, Spain |
| 50.7 | Appointed | Bernardo Rodrigues Nogueira † | Bishop of São Paulo, Brazil |
| 42.0 | Appointed | Manoel de Santa Ines Ferreira, O.C.D. † | Bishop of Angola e Congo, Angola | Archbishop of São Salvador da Bahia, Brazil |
| 54.0 | Appointed | Francisco de São Tiago, O.F.M. † | Bishop of São Luís do Maranhão, Brazil |
| 17 Dec | 77.0 | Died | Alonso del Pozo y Silva † | Archbishop Emeritus of La Plata o Charcas, Bolivia |
| 18 Dec | 23.2 | Ordained Priest | Stephan Alexander Würdtwein † | Priest of Mainz, Germany | Auxiliary Bishop of Worms, Germany |
| 23 Dec | 58.8 | Died | François-Hyacinthe de La Fruglaye de Kervers † | Bishop of Tréguier, France |
| 25 Dec | 32.0 | Ordained Priest | Grigore Maior, O.S.B.M. † | Priest of Basilian Order of Saint Josaphat (Order of St. Basil the Great) | Bishop Emeritus of Făgăraş (Romanian), Romania |
| 29 Dec | 58.0 | Died | Gaspar José Vázquez Tablada † | Bishop of Oviedo, Spain |
| 31 Dec | 62.6 | Died | Agostino Rivarola † | Bishop of Albenga, Italy |