| Date | Age | Event | Bishop | Title | Current Title |
| 1 Jul | | Born | Bernardo (Philip) Pontanova, O.C.D. † | Napoli | Titular Bishop of Tanis |
| 3 Jul | 50.8 | Selected | Giovanni Battista Canaveri, C.O. † | Bishop of Vercelli, Italy | Bishop of Biella, Italy |
| 53.4 | Selected | Giovanni Battista Pio Vitale † | Bishop of Mondovi, Italy |
| 6 Jul | 71.5 | Died | Paul Dovanlia † | Bishop of Nicopoli, Bulgaria |
| Born | Johann Theodor Laurent † | Aachen | Vicar Apostolic Emeritus of Luxembourg |
| 10 Jul | 46.9 | Died | Tommaso Gallarati Scotti † | Auxiliary Bishop of Milano {Milan}, Italy |
| Born | Concezio Pasquini † | Lanciano | Bishop of Ariano, Italy |
| 15 Jul | 69.7 | Died | Giuseppe Bertieri, O.A.D. † | Bishop of Pavia, Italy |
| 17 Jul | 75.6 | Died | Giacinto Amedeo Vagnone † | Bishop Emeritus of Alba (Pompea), Italy |
| 23 Jul | | Born | Nicolň Frangipane † | Roma | Bishop of Concordia (Sagittaria), Italy |
| 25 Jul | 23.0 | Ordained Priest | Feliciano José Rodrigues de Araujo Prates (de Castilhos) † | Priest | Bishop of Săo Pedro do Rio Grande do Sul, Brazil |
| 26 Jul | 22.8 | Ordained Priest | Francesco Agnini † | Priest | Bishop of Luni, Sarzana e Brugnato, Italy |
| 29 Jul | | Born | Antonio Dalena † | Putignano | Bishop of Monopoli, Italy |
| 9 Aug | | Born | Raffaele Bachetoni † | Spoleto | Bishop Emeritus of Norcia, Italy |
| 15 Aug | 22.7 | Ordained Deacon | Franz Xavier (Franciszek Ksawery) Luschin (Luszin) † | Deacon of Gurk, Austria | Archbishop of Gorizia e Gradisca, Italy |
| 16 Aug | 75.9 | Died | Niccolň Angelo Sagredo † | Bishop of Torcello (Turris), Italy |
| 20 Aug | 53.3 | Appointed | Marcos Cabello y López, O.S.A. † | Bishop of Guadix, Spain |
| 36.9 | Appointed | Francisco Chacim (Chachim), O.F.M. † | Bishop of Macau, China |
| 60.1 | Appointed | Andrzej Chołoniewski † | Auxiliary Bishop of Vilnius, Lithuania |
| 60.1 | Appointed | Andrzej Chołoniewski † | Titular Bishop of Arathia | Auxiliary Bishop of Vilnius, Lithuania |
| 64.0 | Confirmed | Joaquín Encabo de la Virgen de Sopetrán, O.A.R. † | Bishop of Cebu, Philippines |
| 49.8 | Confirmed | István Fischer de Nagy † | Bishop of Satu Mare {Szatmár}, Romania | Archbishop of Eger, Hungary |
| 60.0 | Confirmed | Ferenc Fuchs † | Archbishop of Eger, Hungary |
| 39.8 | Appointed | Szymon Michal Józef Arnold Giedroyć † | Auxiliary Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania | Bishop |
| 39.8 | Appointed | Szymon Michal Józef Arnold Giedroyć † | Titular Bishop of Adramyttium | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
| 60.1 | Appointed | Ignacy Houwalt † | Auxiliary Bishop of Vilnius, Lithuania | Auxiliary Bishop-Elect |
| 60.1 | Appointed | Ignacy Houwalt † | Titular Bishop of Arad | Auxiliary Bishop-Elect of Vilnius, Lithuania |
| 35.0 | Confirmed | Cajetan Pires Pireira, C.M. † | Bishop of Nanking [Nanjing], China |
| 62.8 | Appointed | Jan Kanty Podhorodeński † | Auxiliary Bishop of Lutsk and Zhytomyr (Łuck and Zytomierz), Ukraine |
| 62.8 | Appointed | Jan Kanty Podhorodeński † | Titular Bishop of Polemonium | Auxiliary Bishop of Lutsk and Zhytomyr (Łuck and Zytomierz), Ukraine |
| 47.1 | Appointed | Miguel Sánchez Cerrudo, O.F.M. † | Bishop of Santa Marta, Colombia |
| 45.1 | Appointed | Juan Bautista Sacristán y Galiano † | Archbishop of Santafé en Nueva Granada, Colombia |
| 35.3 | Appointed | Manuel Santo Galdino, O.F.M. † | Coadjutor Archbishop of Goa, India | Archbishop |
| 39.8 | Appointed | Joaquim da Souza Saraiva, C.M. † | Coadjutor Vicar Apostolic of Peking [Beijing], China | Bishop |
| 39.8 | Appointed | Joaquim da Souza Saraiva, C.M. † | Titular Bishop of Tipasa in Mauretania | Bishop of Peking [Beijing], China |
| 51.9 | Appointed | Hieronim Stojnowski (Stroynowski) † | Coadjutor Bishop of Lutsk and Zhytomyr (Łuck and Zytomierz), Ukraine | Bishop of Vilnius, Lithuania |
| 51.9 | Appointed | Hieronim Stojnowski (Stroynowski) † | Titular Bishop of Lambaesis | Bishop of Vilnius, Lithuania |
| 66.6 | Confirmed | Andrej (André) Szabó † | Bishop of Košice, Slovakia |
| 22 Aug | 72.5 | Died | Jean-de-Dieu-Raymond de Boisgelin de Cucč † | Cardinal, Archbishop of Tours, France |
| 24 Aug | 62.1 | Died | Clemens Llocer † | Bishop of Ibiza, Spain |
| 26 Aug | 22.7 | Ordained Priest | Franz Xavier (Franciszek Ksawery) Luschin (Luszin) † | Priest of Gurk, Austria | Archbishop of Gorizia e Gradisca, Italy |
| Born | Mariano Puigllat y Amigó † | Tona | Bishop of Lérida, Spain |
| 29 Aug | 38.9 | Selected | Joaquim de Meneses e Ataide, O.S.A. † | Bishop of Săo Tomé of Meliapore, India | Bishop of Elvas, Portugal |
| 36.7 | Selected | Francisco de Săo Damazo Abreu Vieira, O.F.M. † | Bishop of Malacca, Singapore | Archbishop of Săo Salvador da Bahia, Brazil |
| 2 Sep | 22.2 | Ordained Deacon | Anton Alojzij Wolf † | Deacon | Bishop of Ljubljana, Slovenia |
| 4 Sep | | Born | Louis-Théophile Palluc du Parc † | Poitiers | Bishop of Blois, France |
| 5 Sep | 64.3 | Ordained Bishop | Manuel Ignacio González de Campillo Gómez del Valle † | Bishop of Tlaxcala, México |
| 8 Sep | | Ordained Bishop | Augustin Hindi † | Archbishop of Diarbekir (Amida) (Chaldean), Turkey |
| 13 Sep | | Born | Francisco Fleix y Soláns † | Lérida, Spain | Archbishop of Tarragona, Spain |
| 14 Sep | | Born | George Errington † | Clintz | Coadjutor Archbishop Emeritus of Westminster, England, Great Britain |
| Born | Louis-Désiré Maigret, SS.CC. † | Maillé, France | Vicar Apostolic of Sandwich Islands, Hawaii, USA |
| 20 Sep | | Born | Ignacio Mateo Guerra y Alba † | Lagos | Bishop of Zacatecas, México |
| 22 Sep | 71.1 | Died | Antonio Cresi † | Bishop of Ortona a Mare e Campli, Italy |
| 24.9 | Ordained Priest | Giacomo Traversi † | Priest | Bishop Emeritus of Segni, Italy |
| 24 Sep | 42.7 | Confirmed | Giovanni Antioco Azzei † | Bishop of Bisarchio o Bisarcio (Ozieri), Italy | Archbishop of Oristano, Italy |
| 63.8 | Confirmed | Andrzej Antoni Ignacy Gawroński † | Bishop of Kraków, Poland |
| 72.4 | Resigned | Domenico Maria Gentile † | Bishop of Savona, Italy | Bishop Emeritus |
| 63.9 | Appointed | Martin Görgey † | Auxiliary Bishop of Esztergom, Hungary |
| 63.9 | Appointed | Martin Görgey † | Titular Bishop of Patara | Auxiliary Bishop of Esztergom, Hungary |
| 51.8 | Appointed | Vincenzo Maria Maggioli, O.P. † | Bishop of Savona, Italy |
| 70.0 | Appointed | Paolo Girolamo Orengo, Sch. P. † | Bishop of Ventimiglia, Italy |
| 63.7 | Appointed | Giulio Cesare Pallavicini † | Bishop of Luni e Sarzana, Italy |
| 28 Sep | | Born | Giacinto Maria Giuseppe de Ferrari, O.P. † | Oneglia | Titular Archbishop of Naupactus |
| 30 Sep | 70.0 | Ordained Bishop | Paolo Girolamo Orengo, Sch. P. † | Bishop of Ventimiglia, Italy |
| 63.7 | Ordained Bishop | Giulio Cesare Pallavicini † | Bishop of Luni e Sarzana, Italy |
| 2 Oct | | Appointed | Patrick Ryan † | Coadjutor Bishop of Ferns, Ireland | Bishop |
| Appointed | Patrick Ryan † | Titular Bishop of Germanicia | Bishop of Ferns, Ireland |
| 4 Oct | | Born | Antonio Feliciani, O.F.M. † | Marano, Italy | Prefect Emeritus of Hong Kong [Xianggang], China |
| Born | James Michael Myles O’Gorman, O.C.S.O. † | Cranna, Ireland | Vicar Apostolic of Nebraska, USA |
| 6 Oct | | Born | Francisco de Asis Orueta y Castrillón, C.O. † | Lima | Archbishop of Lima, Peru |
| 7 Oct | | Born | Theodor Joset † | Courfaivre | Prefect of Hong Kong [Xianggang], China |
| 8 Oct | 68.4 | Died | Marie-Joseph de Galard de Terraube † | Bishop of Le Puy-en-Velay, France |
| 11 Oct | 79.0 | Died | Michal Mateusz Kosmowski, C.R.L. † | Auxiliary Bishop of Gniezno, Poland |
| 14 Oct | | Born | Calixto Castrillo y Ornedo † | Belorado | Bishop of León, Spain |
| 17 Oct | | Born | Domingo Canubio Alberto, O.P. † | Jerez de la Frontera | Bishop of Segorbe, Spain |
| 63.5 | Died | José Antonio García Mohedano † | Bishop of Guayana, Venezuela |
| Born | Michael Power † | Halifax | Bishop of Toronto, Ontario, Canada |
| 20 Oct | | Born | Pietro Buffetti † | Mirabello | Bishop of Bertinoro, Italy |
| 21 Oct | 72.8 | Ordained Bishop | José Antonio Martínez de Aldunate † | Bishop of Ayacucho o Huamanga (Guamanga), Peru |
| Born | Etienne Marilley † | Châtel-St-Denis | Bishop Emeritus of Lausanne et Genčve, Switzerland |
| 22 Oct | 56.5 | Selected | Custodio de Santa Ana d’Almeida, O.A.D. † | Bishop of Săo Tomé e Príncipe |
| 72.8 | Died | Ángel Mariano Moscoso Pérez y Oblitas † | Bishop of Córdoba (Tucumán), Argentina |
| Born | Girolamo dei Conti Verzeri † | Bergamo | Bishop of Brescia, Italy |
| 23 Oct | 77.7 | Died | Giovanni Nani † | Bishop of Brescia, Italy |
| 26 Oct | 23.4 | Ordained Deacon | János Sztankovits † | Deacon | Bishop of Győr (Raab), Hungary |
| 28 Oct | 23.4 | Ordained Priest | János Sztankovits † | Priest | Bishop of Győr (Raab), Hungary |
| 29 Oct | 36.8 | Appointed | Luiz de Castro Pereira, C.S.J. † | Titular Bishop of Ptolemais in Phoenicia | Prelate of Cuiabá, Brazil |
| 36.8 | Confirmed | Luiz de Castro Pereira, C.S.J. † | Prelate of Cuiabá, Brazil |
| 58.7 | Appointed | Giovanni Gaetano del Muscio † | Archbishop of Manfredonia, Italy |
| 60.0 | Appointed | Francesco Antonio Grillo, O.F.M. Conv. † | Bishop of Cassano all’Jonio, Italy |
| 39.1 | Confirmed | Joaquim de Meneses e Ataide, O.S.A. † | Bishop of Săo Tomé of Meliapore, India | Bishop of Elvas, Portugal |
| 58.1 | Appointed | Silvestro Micců, O.F.M. † | Archbishop of Amalfi, Italy |
| 60.1 | Appointed | Gaetano Paolo de Miceli, C.P.O. † | Archbishop of Rossano, Italy |
| 47.1 | Appointed | Michele Palmieri † | Bishop of Troia, Italy | Bishop of Monopoli, Italy |
| 64.8 | Appointed | Luigi Maria Pirelli, C.R. † | Archbishop of Trani, Italy | Archbishop of Trani e Bisceglie, Italy |
| 66.0 | Appointed | Antonino Reggio † | Bishop of Lipari, Italy |
| 50.3 | Appointed | Giulio Rossi † | Bishop of Pescia, Italy |
| 36.9 | Confirmed | Francisco de Săo Damazo Abreu Vieira, O.F.M. † | Bishop of Malacca, Singapore | Archbishop of Săo Salvador da Bahia, Brazil |
| 58.4 | Appointed | Filippo Speranza † | Bishop of Capaccio, Italy |
| 56.5 | Appointed | Gennaro Maria Guevara Suardo, O.S.B. † | Archbishop (Personal Title) of Aversa, Italy | Bishop |
| 46.5 | Appointed | Vincenzo Torrusio † | Bishop of Nola, Italy |
| 1 Nov | 64.0 | Ordained Bishop | Martin Görgey † | Titular Bishop of Patara | Auxiliary Bishop of Esztergom, Hungary |
| 2 Nov | 60.1 | Died | Francesco Antonio Grillo, O.F.M. Conv. † | Bishop of Cassano all’Jonio, Italy |
| Born | Rafael Valentín Valdivieso y Zańartu † | Santiago | Archbishop of Santiago de Chile |
| 4 Nov | | Born | Carlos Manuel Ladrón de Guevara † | Zongolica | Bishop of Chiapas (Ciudad Real de Chiapas), México |
| 50.3 | Ordained Bishop | Giulio Rossi † | Bishop of Pescia, Italy |
| 7 Nov | 55.3 | Succeeded | Antonio Luigi Landi, O.F.M. † | Vicar Apostolic of Shansi {Scian-Si} (Chan-Si), China |
| Born | Domenico Cavallini Spadoni † | Cingoli | Archbishop Emeritus of Spoleto, Italy |
| Born | William Walsh † | Waterford, Ireland | Archbishop of Halifax, Nova Scotia, Canada |
| 10 Nov | | Born | Antonio Canzi † | Lodi | Titular Bishop of Cyrene |
| 11 Nov | | Born | Paul-Georges-Marie Dupont des Loges † | Rennes | Bishop of Metz, France |
| 16 Nov | 60.5 | Died | Józef Miaskowski † | Bishop of Warszawa, Poland |
| 18 Nov | 50.1 | Ordained Bishop | István Fischer de Nagy † | Bishop of Satu Mare {Szatmár}, Romania | Archbishop of Eger, Hungary |
| 66.9 | Ordained Bishop | Andrej (André) Szabó † | Bishop of Košice, Slovakia |
| 23 Nov | 73.0 | Died | Stefano Borgia † | Cardinal, Prefect of the Congregation for Propagation of the Faith |
| 25 Nov | 64.0 | Ordained Bishop | Andrzej Antoni Ignacy Gawroński † | Bishop of Kraków, Poland |
| 61.0 | Died | Jean-Baptiste-Marie de Maillé de la Tour-Landry † | Bishop of Rennes, France |
| 26 Nov | | Born | Albertus Barbolani di Montauto † | Aretin | Titular Patriarch of Antiochia {Antioch} |
| Born | Placidus Ralli † | Roma | Titular Patriarch of Antiochia {Antioch} |
| 30 Nov | 22.5 | Ordained Priest | Antonio Piatti † | Priest | Titular Patriarch of Antiochia {Antioch} |
| Dec | 61.5 | Resigned | Claude André † | Bishop of Quimper, France | Bishop Emeritus |
| 64.8 | Resigned | Jean-Baptiste de Chabot † | Bishop of Mende, France | Bishop Emeritus |
| 37.2 | Ordained Bishop | Francisco Chacim (Chachim), O.F.M. † | Bishop of Macau, China |
| 15 Dec | 45.6 | Selected | Dominique-Georges-Frédéric Dufour de Pradt † | Bishop of Poitiers, France | Archbishop Emeritus of Mechelen, Belgium |
| 22.5 | Ordained Priest | Anton Alojzij Wolf † | Priest | Bishop of Ljubljana, Slovenia |
| 17 Dec | 72.9 | Died | Louis-François-Marc Hilaire de Conzié † | Bishop of Arras, France |
| 60.2 | Selected | Jean-François de Mandolx † | Bishop of Amiens, France |
| 69.8 | Selected | Gabriel-Laurent Paillou(x) † | Bishop of La Rochelle, France |
| 65.9 | Selected | Jean-Chrysostome de Villaret † | Bishop of Alessandria (della Paglia), Italy | Bishop Emeritus of Casale Monferrato, Italy |
| 18 Dec | | Born | Jerónimo José de Mata, C.M. † | Arnoia, Spain | Bishop Emeritus of Macau, China |
| 66.9 | Installed | Andrej (André) Szabó † | Bishop of Košice, Slovakia |
| 22 Dec | 23.7 | Ordained Deacon | Kaspar de Carl ab Hobenbalken † | Deacon of Chur-Sankt Gallen, Switzerland | Bishop of Chur, Switzerland |
| 25.0 | Ordained Priest | José António da Silva Rebelo, C.M. † | Priest of Congregation of the Mission | Bishop of Bragança e Miranda, Portugal |
| 24.1 | Ordained Priest | Francesco Strani † | Priest | Bishop of Massa Carrara, Italy |
| 25 Dec | | Born | William Delany † | Bandon | Bishop of Cork, Ireland |
| 28 Dec | 68.0 | Died | Louis-André de Grimaldi † | Bishop Emeritus of Noyon, France |
| 30 Dec | 23.8 | Ordained Priest | Kaspar de Carl ab Hobenbalken † | Priest of Chur-Sankt Gallen, Switzerland | Bishop of Chur, Switzerland |
| 66.2 | Ordained Bishop | Antonino Reggio † | Bishop of Lipari, Italy |
| 31 Dec | | Born | Lorenzo Biancheri, C.M. † | Borghetto San Nicolň, Italy | Vicar Apostolic of Abyssinia, Ethiopia |