| Date | Age | Event | Bishop | Title | Current Title | 
|---|
| 6 Sep | 49.6 | Appointed | Romualdo Valenti † | Official to Sardinia, Italy | 
| 7 Sep |  | Born | Salvatore Angelo de Martis, O. Carm. † |  | Bishop of Galtelli-Nuoro (Galtelly Nori), Italy | 
| 22.2 | Ordained Deacon | Anton Ocskay † | Deacon of Košice, Slovakia | Bishop | 
| 9 Sep | 61.3 | Selected | Louis-Jules-François-Joseph d’Andigné de Mayneuf † | Bishop of Nantes, France | 
| 59.6 | Selected | Pierre-François-Gabriel-Raymond-Ignace-Ferdinand de Bausset-Roquefort † | Archbishop of Aix, France | Archbishop of Aix (-Arles-Embrun), France | 
| 62.6 | Selected | Jean-François Martin de Boisville † | Bishop of Blois, France | Bishop of Dijon, France | 
| 72.9 | Selected | Marc-Marie de Bombelles † | Bishop of Amiens, France | 
| 58.2 | Selected | Jean-Baptiste de Bouillé † | Bishop of Poitiers, France | 
| 69.7 | Selected | Etienne-Marie de Boulogne † | Bishop of Vienne, France | Bishop of Troyes, France | 
| 72.4 | Selected | François de Bovet † | Archbishop of Toulouse, France | Archbishop Emeritus | 
| 65.0 | Selected | Charles Brault † | Archbishop of Albi, France | Archbishop of Albi, France | 
| 81.9 | Selected | Jean-Baptiste du Chilleau † | Archbishop of Tours, France | 
| 71.7 | Selected | Gabriel Cortois de Pressigny † | Archbishop of Besançon, France | 
| 70.9 | Selected | Jean-Charles de Coucy † | Archbishop of Reims, France | 
| 44.9 | Selected | Paul-Thérèse-David d’Astros † | Bishop of Orange, France | Cardinal, Archbishop of Toulouse (-Narbonne), France | 
| 63.4 | Selected | Jean-Marie Cliquet de Fontenay † | Bishop of Nevers, France | Archbishop of Bourges, France | 
| 61.3 | Selected | Jean-Pierre de Gallien de Chabons † | Bishop of Le Puy-en-Velay, France | Bishop Emeritus of Amiens, France | 
| 67.2 | Selected | Etienne-Jean-Baptiste des Galois de la Tour † | Archbishop of Bourges, France | 
| 63.3 | Selected | Louis-Sylvestre de La Châtre † | Bishop of Beauvais, France | Titular Bishop of Hemeria (Himeria) | 
| 62.0 | Selected | Claude-Madeleine de La Myre-Mory † | Bishop of Troyes, France | Bishop Emeritus of Le Mans, France | 
| 56.5 | Selected | Jean-Baptist-Marie-Anne-Antoine de Latil † | Bishop of Chartres, France | Cardinal, Archbishop of Reims, France | 
| 53.8 | Selected | Alexandre-Charles-Louis-Rose de Lostanges-Saint-Alvère † | Bishop of Périgueux, France | 
| 79.1 | Selected | César-Guillaume de La Luzerne † | Bishop of Langres, France | Cardinal, Bishop Emeritus of Langres, France | 
| 50.2 | Selected | Augustin-Louis de Montblanc † | Bishop of Saint-Dié, France | Archbishop of Tours, France | 
| 51.5 | Selected | Jean-Paul-Gaston de Pins † | Bishop of Béziers, France | Apostolic Administrator Emeritus of Lyon (-Vienne), France | 
| 72.1 | Selected | Jean Pradelle † | Bishop of Bayeux, France | Bishop-Elect | 
| 55.8 | Selected | Charles-André-Toussaint-Bruno de Ramond-Lalande † | Bishop of Rodez, France | 
| 56.0 | Selected | Charles-Louis Salmon du Châtelier † | Bishop of Laon, France | Bishop of Évreux, France | 
| 58.5 | Selected | Alexis Saussol † | Bishop of Sées {Séez}, France | 
| 80.8 | Selected | Alexandre-Angélique Talleyrand de Périgord † | Cardinal, Archbishop of Paris, France | 
| 64.1 | Selected | Roch-Etienne de Vichy † | Bishop of Soissons, France | Bishop of Autun, France | 
| 47.5 | Selected | Guillaume-Aubin de Villèle † | Bishop of Verdun, France | Archbishop of Bourges, France | 
| 12 Sep | 69.5 | Selected | Antonio Bergosa y Jordán † | Archbishop of Tarragona, Spain | 
|  | Born | Pedro María Lagüera y Menezo † |  | Bishop of Osma, Spain | 
| 15 Sep | 23.6 | Ordained Priest | Georg von Oettl † | Priest of München und Freising {Munich}, Germany | Bishop of Eichstätt, Germany | 
| 17 Sep |  | Born | Anselmo Fauli, O. Carm. † |  | Bishop of Grosseto, Italy | 
| 20 Sep | 22.6 | Ordained Priest | Mariano Marsico † | Priest | Bishop of San Marco e Bisignano, Italy | 
| 23.6 | Ordained Priest | Giovanni Antonio Odone † | Priest | Bishop of Susa, Italy | 
| 23.1 | Ordained Priest | William O’Higgins (O’h-Aodhagain) † | Priest of Ardagh (and Clonmacnois), Ireland | Bishop | 
| 24.5 | Ordained Priest | José Manuel Pasquel y Losada † | Priest of Lima, Peru | Archbishop | 
| 22.7 | Ordained Priest | Torello Romolo Pierazzi † | Priest | Bishop of San Miniato, Italy | 
| 19.2 | Ordained Priest | Felice Romano † | Priest | Bishop of Ischia, Italy | 
| 22.8 | Ordained Priest | Cesare Agostino Sajeva † | Priest | Bishop of Piazza Armerina, Italy | 
| 22.3 | Ordained Priest | Giovanni Niccolò Tanari (Tanara) † | Priest | Titular Patriarch of Antiochia {Antioch} | 
| 21 Sep |  | Born | Camillo Benzon † |  | Bishop of Adria, Italy | 
| 42.9 | Ordained Bishop | Bernardo Francés Caballero † | Bishop of Urgell, Spain | Archbishop of Zaragoza, Spain | 
| 52.9 | Ordained Bishop | Wenceslas Urban von Stuffler † | Bishop of Brno, Czechia | 
| 27 Sep | 77.2 | Retired | Jean-François Périer † | Bishop of Avignon, France | Bishop Emeritus | 
| 29 Sep |  | Born | Michael Adrian Hankinson, O.S.B. † |  | Bishop of Port-Louis, Mauritius | 
| 1 Oct | 55.3 | Confirmed | Francesco Alciati † | Bishop of Casale Monferrato, Italy | 
| 61.4 | Confirmed | Louis-Jules-François-Joseph d’Andigné de Mayneuf † | Bishop of Nantes, France | 
| 59.7 | Confirmed | Pierre-François-Gabriel-Raymond-Ignace-Ferdinand de Bausset-Roquefort † | Archbishop of Aix, France | Archbishop of Aix (-Arles-Embrun), France | 
| 63.1 | Confirmed | Santiago Bencomo y Rodríguez † | Bishop of Astorga, Spain | Bishop-Elect | 
| 65.7 | Confirmed | François-Marie Bigex † | Bishop of Pinerolo, Italy | Archbishop of Chambéry, France | 
| 62.7 | Confirmed | Jean-François Martin de Boisville † | Bishop of Blois, France | Bishop of Dijon, France | 
| 72.9 | Confirmed | Marc-Marie de Bombelles † | Bishop of Amiens, France | 
| 80.5 | Elevated to Cardinal | Lorenzo Prospero Bottini † | Cardinal, Priest of the Roman Curia - Other | 
| 58.3 | Confirmed | Jean-Baptiste de Bouillé † | Bishop of Poitiers, France | 
| 69.7 | Confirmed | Etienne-Marie de Boulogne † | Bishop of Vienne, France | Bishop of Troyes, France | 
| 72.5 | Confirmed | François de Bovet † | Archbishop of Toulouse, France | Archbishop Emeritus | 
| 65.1 | Confirmed | Charles Brault † | Archbishop of Albi, France | Archbishop of Albi, France | 
| 60.7 | Appointed | Francesco Cesarei Leoni † | Cardinal-Priest of Santa Maria del Popolo | Cardinal, Bishop of Jesi, Italy | 
| 63.7 | Confirmed | Columbano Giovanni Battista Carlo Gaspare Chiaverotti, O.S.B. † | Bishop of Ivrea, Italy | Archbishop of Torino {Turin}, Italy | 
| 81.9 | Confirmed | Jean-Baptiste du Chilleau † | Archbishop of Tours, France | 
| 71.8 | Confirmed | Gabriel Cortois de Pressigny † | Archbishop of Besançon, France | 
| 71.0 | Confirmed | Jean-Charles de Coucy † | Archbishop of Reims, France | 
| 44.9 | Confirmed | Paul-Thérèse-David d’Astros † | Bishop of Orange, France | Cardinal, Archbishop of Toulouse (-Narbonne), France | 
| 63.5 | Confirmed | Jean-Marie Cliquet de Fontenay † | Bishop of Nevers, France | Archbishop of Bourges, France | 
| 61.3 | Confirmed | Jean-Pierre de Gallien de Chabons † | Bishop of Le Puy-en-Velay, France | Bishop Emeritus of Amiens, France | 
| 67.3 | Confirmed | Etienne-Jean-Baptiste des Galois de la Tour † | Archbishop of Bourges, France | 
| 63.7 | Confirmed | Giuseppe Maria Pietro Grimaldi † | Archbishop of Vercelli, Italy | 
| 63.3 | Confirmed | Louis-Sylvestre de La Châtre † | Bishop of Beauvais, France | Titular Bishop of Hemeria (Himeria) | 
| 65.0 | Confirmed | Anne-Louis-Henri de La Fare † | Archbishop of Sens, France | Cardinal, Archbishop of Sens (-Auxerre), France | 
| 62.1 | Confirmed | Claude-Madeleine de La Myre-Mory † | Bishop of Troyes, France | Bishop Emeritus of Le Mans, France | 
| 56.5 | Confirmed | Jean-Baptist-Marie-Anne-Antoine de Latil † | Bishop of Chartres, France | Cardinal, Archbishop of Reims, France | 
| 64.3 | Confirmed | Jean-Claude Leblanc de Beaulieu † | Archbishop of Arles, France | Archbishop Emeritus | 
| 79.7 | Appointed | Antonio Lante Montefeltro Della Rovere † | Cardinal, Cardinal-Priest of Santi Quirico e Giulitta | 
| 53.9 | Confirmed | Alexandre-Charles-Louis-Rose de Lostanges-Saint-Alvère † | Bishop of Périgueux, France | 
| 79.2 | Confirmed | César-Guillaume de La Luzerne † | Bishop of Langres, France | Cardinal, Bishop Emeritus of Langres, France | 
| 59.5 | Confirmed | Giuseppe Morozzo Della Rocca † | Archbishop (Personal Title) of Novara, Italy | Cardinal, Bishop | 
| 50.3 | Confirmed | Augustin-Louis de Montblanc † | Bishop of Saint-Dié, France | Archbishop of Tours, France | 
| 51.6 | Confirmed | Jean-Paul-Gaston de Pins † | Bishop of Béziers, France | Apostolic Administrator Emeritus of Lyon (-Vienne), France | 
| 72.2 | Confirmed | Jean Pradelle † | Bishop of Bayeux, France | Bishop-Elect | 
| 54.4 | Confirmed | Giuseppe Prin † | Bishop of Susa, Italy | 
| 38.9 | Appointed | Hyacinthe-Louis de Quélen † | Auxiliary Bishop of Paris, France | Archbishop | 
| 38.9 | Appointed | Hyacinthe-Louis de Quélen † | Titular Bishop of Samosata | Archbishop of Paris, France | 
| 55.9 | Confirmed | Charles-André-Toussaint-Bruno de Ramond-Lalande † | Bishop of Rodez, France | 
| 59.5 | Appointed | Agostino Rivarola † | Cardinal-Deacon of Sant’Agata de’ Goti | Cardinal, Priest of Roma {Rome}, Italy | 
| 59.5 | Elevated to Cardinal | Agostino Rivarola † | Cardinal, Priest of Roma {Rome}, Italy | 
| 56.1 | Confirmed | Charles-Louis Salmon du Châtelier † | Bishop of Laon, France | Bishop of Évreux, France | 
| 63.7 | Confirmed | Amedeo Bruno di Samone † | Bishop of Cuneo, Italy | 
| 38.0 | Appointed | Publio Maria Sant † | Titular Bishop of Laranda | Bishop Emeritus of Malta | 
| 59.1 | Confirmed | Carlo Giuseppe Maria Sappa de Milanes † | Bishop of Acqui, Italy | 
| 58.6 | Confirmed | Alexis Saussol † | Bishop of Sées {Séez}, France | 
| 60.5 | Appointed | Antonio Gabriele Severoli † | Cardinal-Priest of Santa Maria della Pace | Cardinal, Bishop of Viterbo e Tuscania, Italy | 
| 80.9 | Confirmed | Alexandre-Angélique Talleyrand de Périgord † | Cardinal, Archbishop of Paris, France | 
| 64.2 | Confirmed | Roch-Etienne de Vichy † | Bishop of Soissons, France | Bishop of Autun, France | 
| 47.6 | Confirmed | Guillaume-Aubin de Villèle † | Bishop of Verdun, France | Archbishop of Bourges, France | 
| 3 Oct | 52.9 | Appointed | Adolphus Louis Barth de Walbach † | Bishop of Philadelphia, Pennsylvania, USA | Former Bishop-Elect | 
| 30.7 | Appointed | Jacques-Léonard Pérocheau, M.E.P. † | Coadjutor Vicar Apostolic of Se-Ciuen (Setchoan, Szechwan, Sichuan), China | Vicar Apostolic of Northwestern Szechwan {Se-Ciuen Settentrionale-Occidentale}, China | 
| 30.7 | Appointed | Jacques-Léonard Pérocheau, M.E.P. † | Titular Bishop of Maxula Prates | Vicar Apostolic of Northwestern Szechwan {Se-Ciuen Settentrionale-Occidentale}, China | 
| 4 Oct | 19.2 | Professed | John Francis (William Joseph) Whelan, O.C.D. † | Member of Order of Discalced Carmelites | Vicar Apostolic Emeritus of Bombay, India | 
| 5 Oct | 55.3 | Ordained Bishop | Francesco Alciati † | Bishop of Casale Monferrato, Italy | 
| 58.6 | Selected | Diego Antonio Navarro Martín de Villodras † | Archbishop of La Plata o Charcas, Bolivia | 
| 54.5 | Ordained Bishop | Giuseppe Prin † | Bishop of Susa, Italy | 
| 63.7 | Ordained Bishop | Amedeo Bruno di Samone † | Bishop of Cuneo, Italy | 
| 59.2 | Ordained Bishop | Carlo Giuseppe Maria Sappa de Milanes † | Bishop of Acqui, Italy | 
| 7 Oct | 53.0 | Died | Francesco Maria Biordi † | Titular Bishop of Dulma | 
| 9 Oct | 78.5 | Died | Bernardino Marin, C.R.L. † | Bishop of Treviso, Italy | 
| 12 Oct | 27.8 | Ordained Priest | William Dollard (Dullard) † | Priest of Québec, Canada | Bishop of Fredericton, New Brunswick, Canada | 
| 52.4 | Ordained Bishop | Augustin-Sulpice Zen-Ruffinen † | Bishop of Sion {Sitten}, Switzerland | 
| 18 Oct |  | Born | Tomás Sivilla y Gener † |  | Bishop of Gerona, Spain | 
| 23 Oct | 79.8 | Died | Antonio Lante Montefeltro Della Rovere † | Cardinal, Cardinal-Priest of Santi Quirico e Giulitta | 
| 25 Oct |  | Born | Grégoire (Krikor) Balitian † |  | Bishop of Alep (Armenian), Syria | 
|  | Born | Alfonso Buglione di Monale † |  | Bishop of Saluzzo, Italy | 
| 55.2 | Selected | Gregor von Zirkel † | Bishop of Speyer, Germany | Auxiliary Bishop of Würzburg, Germany | 
| 26 Oct |  | Born | Edward John Horan † |  | Bishop Emeritus of Kingston, Ontario, Canada | 
| 28 Oct | 65.6 | Ordained Bishop | Bernardo García y Hernández (Fernandez Perdigon), O.F.M. Disc. † | Bishop of Nueva Caceres, Philippines | 
| 39.0 | Ordained Bishop | Hyacinthe-Louis de Quélen † | Titular Bishop of Samosata | Archbishop of Paris, France | 
| 29 Oct |  | Born | Luigi Riccio † |  | Bishop of Caiazzo, Italy | 
| 30 Oct | 71.9 | Died | Sébastien-Charles-Philibert de Roger de Cahuzac de Caux † | Bishop Emeritus of Aire, France | 
| Nov | 22.3 | Appointed | Giovanni Brunelli † | Secretary of the Congregation for Extraordinary Ecclesiastical Affairs | Cardinal, Bishop of Osimo e Cingoli, Italy | 
| 1 Nov |  | Born | Yuhanna Boutros El-Hajj † |  | Patriarch of Antiochia {Antioch} (Maronite), Lebanon | 
|  | Born | Charles-Théodore Baudry † |  | Bishop of Périgueux (-Sarlat), France | 
| 7 Nov |  | Born | Charles Petre Eyre † |  | Archbishop of Glasgow, Scotland, Great Britain | 
| 10 Nov | 85.8 | Resigned | Domenico Arcaroli † | Bishop of Vieste, Italy | Bishop Emeritus | 
|  | Born | Antonio Briganti † |  | Bishop Emeritus of Orvieto, Italy | 
| 12 Nov | 77.9 | Died | Giovanni Battista a Santa Margarita Pietro Alessandro Banfi, O.C.D. † | Bishop of Tivoli, Italy | 
| 13 Nov |  | Died | Bonaventura Carenzi, O.F.M. Conv. † | Bishop of Città della Pieve, Italy | 
| 15 Nov | 59.2 | Appointed | Cristóbal Bencomo Rodríguez † | Titular Archbishop of Heraclea in Europa | 
| 69.7 | Confirmed | Antonio Bergosa y Jordán † | Archbishop of Tarragona, Spain | 
| 80.7 | Appointed | Lorenzo Prospero Bottini † | Cardinal-Deacon of Sant’Adriano al Foro | Cardinal, Priest of the Roman Curia - Other | 
| 70.0 | Installed | Francsco Antonio Javier de Gardoqui Arriquíbar † | Cardinal-Priest of Sant’Anastasia | Cardinal, Priest of Palencia, Spain | 
| 67.9 | Appointed | Pietro Gravina † | Cardinal-Priest of San Lorenzo in Panisperna | Cardinal, Archbishop of Palermo, Italy | 
| 17 Nov | 50.6 | Selected | Salvator Ferro de Berardis † | Bishop of Catania, Italy | 
| 18 Nov | 63.6 | Ordained Bishop | Alexis Pótsy † | Bishop of Mukachevo (Munkács) (Ruthenian), Ukraine | 
| 19 Nov |  | Born | Angelo Bianchi † |  | Cardinal, Cardinal-Bishop of Palestrina, Italy | 
|  | Born | Désiré-Michel Vesque † |  | Bishop of Roseau, Dominica, Antilles | 
| 23 Nov | 65.9 | Ordained Bishop | François-Marie Bigex † | Bishop of Pinerolo, Italy | Archbishop of Chambéry, France | 
| 63.8 | Ordained Bishop | Columbano Giovanni Battista Carlo Gaspare Chiaverotti, O.S.B. † | Bishop of Ivrea, Italy | Archbishop of Torino {Turin}, Italy | 
| 24 Nov | 72.3 | Died | Gregorio (Felix Antonius Paschalis) Boari, O.F.M. Cap. † | Bishop of Comacchio, Italy | 
| 64.4 | Resigned | Gabriello Maria Gravina, O.S.B. † | Bishop of Catania, Italy | Prelate of Santa Lucia del Mela, Italy | 
|  | Born | Juan de la Cruz Ignacio Moreno y Maisanove † |  | Cardinal, Archbishop of Toledo, Spain | 
| 25 Nov | 66.3 | Selected | Henri-Marie-Clauce de Bruc-Montplaisir † | Bishop of Vannes, France | 
| 65.7 | Selected | Charles-François-Marie Petit-Benoit de Chaffoy † | Bishop of Nîmes, France | 
| 44.2 | Selected | Gustave-Maximilien-Juste de Croÿ-Solre † | Bishop of Strasbourg, France | Cardinal, Archbishop of Rouen, France | 
| 55.1 | Selected | Marie-Joseph-Antoine-Laurent de la Rivoire de La Tourette † | Bishop of Valence, France | 
| 60.9 | Selected | Mathias Le Groing de La Romagère † | Bishop of Saint-Brieuc, France | 
| 70.4 | Selected | Jean-Francis de Mallian † | Bishop of Saint-Flour, France | Bishop-Elect | 
| 26 Nov | 34.7 | Appointed | Francesco Serra Cassano † | Apostolic Nuncio to Bavaria | Cardinal, Archbishop of Capua, Italy | 
| 28 Nov | 36.3 | Appointed | Cirilo de Alameda y Brea, O.F.M. Obs. † | Minister General of Order of Observant Friars Minor | Cardinal, Archbishop of Toledo, Spain | 
| 5 Dec | 50.9 | Appointed | Abraham Kandilian (Candil) † | Coadjutor Bishop of Mardin (Armenian), Turkey | Archbishop | 
| 50.9 | Appointed | Abraham Kandilian (Candil) † | Titular Bishop of Doliche | Archbishop of Mardin (Armenian), Turkey | 
| 7 Dec |  | Born | Ambrosio María Serrano y Rodriguez † |  | Bishop of Chilapa, Guerrero, México | 
| 73.5 | Appointed | Irénée-Yves Desolle (Dessole) † | Archbishop of Chambéry, France | Archbishop Emeritus | 
| 13 Dec | 36.5 | Selected | Alessandro d’Angennes † | Bishop of Alessandria (della Paglia), Italy | Archbishop of Vercelli, Italy | 
| 55.0 | Selected | Antonio Faà di Bruno † | Bishop of Asti, Italy | 
| 60.4 | Selected | Andreas Maria de Maistre † | Bishop of Aosta, Italy | Bishop-Elect | 
| 64.3 | Selected | Giovanni-Antonio Niccola (Nicola) † | Bishop of Alba (Pompea), Italy | 
| 14 Dec | 49.0 | Ordained Bishop | Ambrose Maréchal, P.S.S. † | Archbishop of Baltimore, Maryland, USA | 
| 18 Dec | 55.3 | Died | Gregor von Zirkel † | Auxiliary Bishop of Würzburg, Germany | 
| 20 Dec | 26.0 | Ordained Priest | Manuel José da Costa † | Priest | Bishop of Leiria, Portugal | 
| 24.7 | Ordained Priest | Jean-Marie Graveran † | Priest | Bishop of Quimper [Cornouailles](-Léon), France | 
| 24.3 | Ordained Priest | François-Adélaïde-Adolphe Lannéluc † | Priest of Toulouse (-Narbonne), France | Bishop of Aire, France | 
|  | Born | John Loughlin † |  | Bishop of Brooklyn, New York, USA | 
| 22.7 | Ordained Priest | Bartolomeo Carlo Romilli † | Priest of Bergamo, Italy | Archbishop of Milano {Milan}, Italy | 
| 23.3 | Ordained Priest | Johannes Zwijsen (Zwysen) † | Priest | Bishop of ’s-Hertogenbosch (Bois-le-Duc), Netherlands | 
| 21 Dec | 22.4 | Ordained Priest | Giovanni Brunelli † | Priest | Cardinal, Bishop of Osimo e Cingoli, Italy | 
| 23 Dec | 89.1 | Died | Pio Bonifacio Fassati, O.P. † | Bishop Emeritus of Tortona, Italy | 
| 26 Dec |  | Born | Stephen Fennelly † |  | Vicar Apostolic of Madras, India | 
| 27 Dec | 58.5 | Ordained Bishop | Bernardo Martínez y Ocejo, O.C.D. † | Bishop of Sonora, México | 
|  | Born | Giovanni Monetti † |  | Bishop of Cervia, Italy | 
| 28 Dec | 63.9 | Installed | Amedeo Bruno di Samone † | Bishop of Cuneo, Italy |