| Date | Age | Event | Bishop | Title | Current Title |
| 3 Jul | | Born | William Smith † | Edinburgh | Archbishop of Saint Andrews and Edinburgh, Scotland, Great Britain |
| 4 Jul | 48.8 | Ordained Bishop | Ramón María Azpeitia de y Sáenz de Santamaria † | Bishop of Tudela, Spain |
| 11 Jul | 33.4 | Ordained Bishop | Ignaz Bernhard Mauermann † | Titular Bishop of Pella | Vicar Apostolic of Foreign Vicariate |
| 18 Jul | 71.4 | Died | Antonio Bergosa y Jordán † | Archbishop of Tarragona, Spain |
| 23.9 | Ordained Priest | Francis Xavier Norbert Blanchet † | Priest of Québec, Québec, Canada | Archbishop Emeritus of Oregon City, Oregon, USA |
| 19 Jul | 24.0 | Ordained Priest | Pierre Chatrousse † | Priest | Bishop of Valence, France |
| Born | Robert Aston Coffin, C.SS.R. † | Brighton | Bishop of Southwark, England, Great Britain |
| 51.9 | Died | Antônio de São José Bastos, O.S.B. † | Bishop of Olinda, Brazil |
| 21 Jul | 75.7 | Died | Giovanni Battista Zauli † | Cardinal, Cardinal-Priest of S. Onofrio |
| 25 Jul | | Born | John Joseph Conroy † | Clonaslee, Ireland | Bishop Emeritus of Albany, New York, USA |
| 29 Jul | | Resigned | Peter McLaughlin † | Bishop of Raphoe, Ireland | Bishop of Derry, Ireland |
| 30 Jul | 66.7 | Appointed | François de Pierre de Bernis † | Archbishop of Rouen, France |
| 66.1 | Appointed | Roch-Etienne de Vichy † | Bishop of Autun, France |
| 1 Aug | | Born | Adrianus Godschalk † | Dungen | Bishop of ’s Hertogenbosch (Bois-le-Duc), Netherlands |
| Born | Pierre-Marie Le Berre, C.S.Sp. † | Neulliac, France | Vicar Apostolic of Gabon, Gabon |
| 6 Aug | 48.9 | Appointed | Pedro González Vallejo † | Bishop of Mallorca, Spain | Bishop Emeritus |
| 8 Aug | | Appointed | Patrick Curtis † | Archbishop of Armagh, Ireland |
| 15 Aug | 58.2 | Ordained Bishop | John Baptist Mary David, P.S.S. † | Titular Bishop of Mauricastro | Bishop Emeritus of Bardstown, Kentucky, USA |
| 17 Aug | 68.5 | Died | François Joseph Hirn † | Bishop of Tournai {Doornik}, Belgium |
| 22 Aug | 53.4 | Ordained Bishop | Francisco Javier Cienfuegos Jovellanos † | Bishop of Cádiz, Spain | Cardinal, Archbishop of Sevilla {Seville}, Spain |
| 23 Aug | 68.1 | Confirmed | Henri-Marie-Clauce de Bruc-Montplaisir † | Bishop of Vannes, France |
| 45.9 | Confirmed | Gustave-Maximilien-Juste de Croÿ-Solre † | Bishop of Strasbourg, France | Cardinal, Archbishop of Rouen, France |
| 60.4 | Appointed | Carlos da Cunha e Menezes † | Cardinal, Patriarch of Lisboa, Portugal |
| 42.8 | Appointed | Joaquim de Nossa Senhora de Nazareth Oliveira e Abreu, O.F.M. † | Bishop of São Luís do Maranhão, Brazil | Bishop of Coimbra, Portugal |
| 57.4 | Appointed | Isidoro Domínguez, C.R.M. † | Archbishop of Santafé en Nueva Granada, Colombia |
| 62.8 | Appointed | Giovanni Nepomuceno Ferdiani † | Bishop of Iglesias, Italy |
| 56.9 | Confirmed | Marie-Joseph-Antoine-Laurent de la Rivoire de La Tourette † | Bishop of Valence, France |
| 62.7 | Confirmed | Mathias Le Groing de La Romagère † | Bishop of Saint-Brieuc, France |
| Appointed | Ignazio Ranaldi † | Archbishop of Urbino, Italy |
| 64.3 | Confirmed | Pierre-Marin Rouph de Varicourt † | Bishop of Orléans, France |
| 27 Aug | 63.7 | Appointed | Ranald MacDonald † | Vicar Apostolic of Highland District, Scotland, Great Britain | Vicar Apostolic of Western District, Scotland, Great Britain |
| 63.7 | Appointed | Ranald MacDonald † | Titular Bishop of Arindela | Vicar Apostolic of Western District, Scotland, Great Britain |
| 28 Aug | 49.0 | Appointed | Emmanuele Lodi † | Bishop of Udine, Italy |
| 29 Aug | 31.6 | Ordained Priest | Rudolf Johannes Joseph Rainier von Habsburg-Lotharingen † | Priest of Olomouc, Czech Republic | Cardinal, Archbishop |
| 31 Aug | 48.8 | Appointed | Pietro Francesco Galeffi † | Titular Archbishop of Damascus | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 1 Sep | | Born | François Xavier Gouthe-Soulard † | Saint-Jean-la-Vêtre | Archbishop of Aix (-Arles-Embrun), France |
| 3 Sep | 55.4 | Appointed | Jean-Joseph-Marie-Victoire de Cosnac † | Bishop of Meaux, France | Archbishop of Sens (-Auxerre), France |
| 43.3 | Ordained Bishop | Luigi Emmanuele Nicolo Lambruschini, B. † | Archbishop of Genova, Italy | Cardinal, Prefect of the Congregation of Rites |
| 6 Sep | 68.4 | Died | Marcos Cabello Lopez, O.S.A. † | Bishop of Guadix, Spain |
| 8 Sep | 69.4 | Resigned | Jean-Paul Faudoas † | Bishop of Meaux, France | Bishop Emeritus |
| 12 Sep | 48.9 | Ordained Bishop | Pietro Francesco Galeffi † | Titular Archbishop of Damascus | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 71.4 | Died | Alessandro Malvasia † | Priest of the Roman Curia - Other | Cardinal, Cardinal-Priest of S. Croce in Gerusalemme |
| Ordained Bishop | Domenico Pes, Sch. P. † | Bishop of Bisarchio o Bisarcio, Italy |
| 13 Sep | | Born | Diego Marongiu Del Rio † | Bannari | Archbishop of Sassari, Italy |
| Born | Giuseppe Maria Papardi del Pacco, C.R. † | Messina | Archbishop of Monreale, Italy |
| 15 Sep | | Born | Emmanuele Staravero † | | Titular Archbishop of Dramas |
| 17 Sep | | Born | Placido Pozzi † | Villanova | Bishop of Mondovi, Italy |
| 18 Sep | 24.5 | Ordained Priest | Josef von Lipp † | Priest of Rottenburg, Germany | Bishop |
| 75.5 | Died | Francesco Milesi † | Patriarch of Venezia {Venice}, Italy |
| Born | Augusto Theodoli † | Rome | Cardinal, Priest of the Roman Curia - Other |
| 19 Sep | 68.5 | Died | Francesco Ridolfi † | Titular Bishop of Carystus |
| 24 Sep | 41.0 | Appointed | Hyacinthe-Louis de Quélen † | Coadjutor Archbishop of Paris, France | Archbishop |
| 26 Sep | 69.3 | Ordained Bishop | Etienne-Jean-Baptiste des Galois de la Tour † | Archbishop of Bourges, France |
| 31.7 | Ordained Bishop | Rudolf Johannes Joseph Rainier von Habsburg-Lotharingen † | Cardinal, Archbishop of Olomouc, Czech Republic |
| 27 Sep | 66.8 | Confirmed | François de Pierre de Bernis † | Archbishop of Rouen, France |
| 55.5 | Confirmed | Jean-Joseph-Marie-Victoire de Cosnac † | Bishop of Meaux, France | Archbishop of Sens (-Auxerre), France |
| 60.5 | Elevated to Cardinal | Carlos da Cunha e Menezes † | Cardinal, Patriarch of Lisboa, Portugal |
| 52.5 | Appointed | Giovanni Francesco Falzacappa † | Titular Archbishop of Atene | Cardinal, Prefect of the Apostolic Signatura |
| 49.0 | Confirmed | Pedro González Vallejo † | Bishop of Mallorca, Spain | Bishop Emeritus |
| 66.7 | Appointed | Giovanni Francesco Guerrieri † | Archbishop (Personal Title) of Rimini, Italy | Bishop Emeritus |
| 70.6 | Appointed | Cesare Guerrieri Gonzaga † | Cardinal-Deacon of S. Adriano al Foro | Cardinal, Priest of Roma {Rome}, Italy |
| 70.6 | Elevated to Cardinal | Cesare Guerrieri Gonzaga † | Cardinal, Priest of Roma {Rome}, Italy |
| 43.4 | Appointed | Luigi Emmanuele Nicolo Lambruschini, B. † | Archbishop of Genova, Italy | Cardinal, Prefect of the Congregation of Rites |
| 57.3 | Appointed | José da Santíssima Trindade Leite, O.F.M. † | Bishop of Mariana, Brazil |
| 66.2 | Confirmed | Roch-Etienne de Vichy † | Bishop of Autun, France |
| 28 Sep | 81.7 | Died | Andrej (André) Szabó † | Bishop of Košice, Slovakia |
| 29 Sep | 52.5 | Ordained Bishop | Giovanni Francesco Falzacappa † | Titular Archbishop of Atene | Cardinal, Prefect of the Apostolic Signatura |
| Born | Basilio Leto † | Massarano | Bishop of Biella, Italy |
| Born | John Henry Luers † | Lutten, Germany | Bishop of Fort Wayne, Indiana, USA |
| 30 Sep | 67.5 | Died | Bartolomeo Cesare † | Bishop of Potenza e Marsico Nuovo, Italy |
| 2 Oct | | Born | Gherardo Araldi † | Modena | Bishop Emeritus of Carpi, Italy |
| 3 Oct | 75.0 | Ordained Bishop | Marc-Marie de Bombelles † | Bishop of Amiens, France |
| Born | Francesco Lönhart † | Nagyag | Bishop of Transilvania, Erdély, Siebenbürgen, Romania |
| 60.7 | Ordained Bishop | Alexis Saussol † | Bishop of Sées, France |
| 6 Oct | 63.7 | Died | Francesco Scipio Dondi Orologio † | Bishop of Padova {Padua}, Italy |
| 72.6 | Died | Giovanni Filippo Gallarati Scotti † | Cardinal, Prefect Emeritus of the Prefecture of the Papal Household |
| 9 Oct | 73.9 | Died | Franz Karl Joseph Fürst von Hohenlohe-Waldenburg-Schillingsfürst † | Bishop of Augsburg, Germany |
| 10 Oct | 70.5 | Appointed | Antonio Maria Doria Pamphilj † | Cardinal, Archpriest of the Basilica di Santa Maria Maggiore {Saint Mary Major Basilica} |
| 74.0 | Ordained Bishop | Juan Miguel Pérez González † | Bishop of Gerona, Spain |
| 12 Oct | 61.6 | Ordained Deacon | Agostino Rivarola † | Deacon of Roma {Rome}, Italy | Cardinal, Priest |
| 14 Oct | | Born | Eugène Lachat, C.Pp.S. † | Montavon | Bishop Emeritus of Basel, Switzerland |
| 17 Oct | 63.5 | Ordained Bishop | Louis-Jules-François-Joseph d'Andigné de Mayneuf † | Bishop of Nantes, France |
| 68.2 | Ordained Bishop | Henri-Marie-Clauce de Bruc-Montplaisir † | Bishop of Vannes, France |
| 78.0 | Died | Joaquín González Terán, O.P. † | Bishop Emeritus of Albarracin, Spain |
| 62.9 | Ordained Bishop | Mathias Le Groing de La Romagère † | Bishop of Saint-Brieuc, France |
| 19 Oct | | Born | Julien Costes † | Savignac | Bishop Emeritus of Mende, France |
| 22 Oct | 66.1 | Died | Nikodem Puzyna † | Auxiliary Bishop of Vilnius, Lithuania |
| Born | Francisco Ulloa y Larios † | Belén | Bishop Emeritus of León en Nicaragua |
| 28 Oct | 60.4 | Ordained Bishop | Jean-Baptiste de Bouillé † | Bishop of Poitiers, France |
| Ordained Bishop | Patrick Curtis † | Archbishop of Armagh, Ireland |
| 66.3 | Ordained Bishop | Roch-Etienne de Vichy † | Bishop of Autun, France |
| 29 Oct | | Died | Edmond Derry † | Bishop of Dromore, Ireland |
| 5 Nov | | Born | Szymon Marcin Kozlowski † | | Archbishop of Mohilev, Belarus |
| 7 Nov | 55.6 | Ordained Bishop | Jean-Joseph-Marie-Victoire de Cosnac † | Bishop of Meaux, France | Archbishop of Sens (-Auxerre), France |
| 57.1 | Ordained Bishop | Marie-Joseph-Antoine-Laurent de la Rivoire de La Tourette † | Bishop of Valence, France |
| 8 Nov | | Born | Jean-Baptiste Anouilh, C.M. † | Prat-et-Bonrepaux, France | Vicar Apostolic of Southwestern Chi-Li {Ce-Li Meridio-Occidentale}, China |
| 10 Nov | 55.3 | Appointed | Bartholomeu de Martyribus Maya, O.C.D. † | Prelate of Mozambico, Mozambique |
| 11 Nov | 68.3 | Installed | Henri-Marie-Clauce de Bruc-Montplaisir † | Bishop of Vannes, France |
| 12 Nov | 77.0 | Retired | Etienne-Célestin Enoch † | Bishop of Rennes, France | Bishop Emeritus |
| 13 Nov | 61.9 | Installed | Pierre-François-Gabriel-Raymond-Ignace-Ferdinand de Bausset-Roquefort † | Archbishop of Aix, France | Archbishop of Aix (-Arles-Embrun), France |
| 22 Nov | 49.2 | Appointed | Vincenzo Macchi † | Apostolic Nuncio to France | Cardinal, Bishop of Ostia (-Velletri), Italy |
| 59.2 | Resigned | Antonio Maria Trigona † | Archbishop of Messina, Italy | Archbishop Emeritus |
| 23 Nov | 85.0 | Died | Johann Michael Josef von Pidoll de Quitenbach † | Bishop of Le Mans, France |
| 26 Nov | 71.9 | Appointed | Henry Conwell † | Bishop of Philadelphia, Pennsylvania, USA |
| 27 Nov | 67.0 | Installed | François de Pierre de Bernis † | Archbishop of Rouen, France |
| 74.1 | Appointed | Charles Mannay † | Bishop of Rennes, France |
| 1 Dec | | Born | Philipp Krementz † | Koblenz | Cardinal, Archbishop of Köln {Cologne}, Germany |
| 5 Dec | 64.3 | Appointed | Claude-Madeleine de La Myre-Mory † | Bishop of Le Mans, France | Bishop Emeritus |
| 6 Dec | 51.3 | Appointed | Joseph Maria Johann Nepomuk Freiherr von Fraunberg † | Bishop of Augsburg, Germany | Archbishop of Bamberg, Germany |
| 7 Dec | | Born | Marcus Calogera † | Bilatta | Bishop of Split-Makarska (Spalato-Macarska), Croatia |
| 8 Dec | | Born | Lodovico Leonardi † | San Lorenzo in Campo | Bishop of Bertinoro, Italy |
| 12 Dec | 64.6 | Ordained Bishop | Pierre-Marin Rouph de Varicourt † | Bishop of Orléans, France |
| 15 Dec | 23.3 | Ordained Priest | Bernardo Gárate y López de Arizmendi † | Priest of México, Federal District | Bishop of Querétaro, Querétaro, México |
| 16 Dec | 70.8 | Died | Romualdo Antonio Mon Velarde † | Archbishop of Sevilla {Seville}, Spain |
| 17 Dec | 71.4 | Appointed | Giulio Gabrielli † | Cardinal-Priest of S. Lorenzo in Lucina | Cardinal, Prelate Emeritus of the Congregation of the Council |
| 55.3 | Appointed | Bernhard Galura † | Auxiliary Bishop of Brixen {Bressanone}, Italy | Bishop |
| 55.3 | Appointed | Bernhard Galura † | Titular Bishop of Anthedon | Bishop of Brixen {Bressanone}, Italy |
| 69.2 | Appointed | Ignazio Nasalli-Ratti † | Titular Archbishop of Cyrrhus | Cardinal, Official of the Roman Curia - Other |
| 49.9 | Appointed | Tomas Manoel de Noronha e Brito, O.P. † | Bishop of Cochin, India | Bishop Emeritus of Olinda, Brazil |
| 41.2 | Appointed | Hyacinthe-Louis de Quélen † | Titular Archbishop of Traianopolis in Rhodope | Archbishop of Paris, France |
| 41.2 | Confirmed | Hyacinthe-Louis de Quélen † | Coadjutor Archbishop of Paris, France | Archbishop |
| 59.2 | Appointed | Alexander (Sandor) Rudnay Divékújfalusi † | Cardinal, Archbishop of Esztergom, Hungary |
| 59.3 | Appointed | Antonio Maria Trigona † | Titular Archbishop of Caesarea in Cappadocia | Archbishop Emeritus of Messina, Italy |
| 18 Dec | 23.7 | Ordained Priest | St. Laurent-Joseph-Marius Imbert, M.E.P. † | Priest of La Société des Missions Etrangères | Vicar Apostolic of Corea |
| 19 Dec | | Born | François-Narcisse Baptifolier † | Paris | Bishop of Mende, France |
| 60.7 | Ordained Bishop | Carlos da Cunha e Menezes † | Cardinal, Patriarch of Lisboa, Portugal |
| 24.6 | Ordained Priest | Mellon de Jolly † | Priest | Archbishop Emeritus of Sens (-Auxerre), France |
| 69.2 | Ordained Bishop | Ignazio Nasalli-Ratti † | Titular Archbishop of Cyrrhus | Cardinal, Official of the Roman Curia - Other |