| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 54.1 | Died | Pietro Saverio Antonini † | Bishop of Veroli, Italy |
| Died | Bonaventura Fabozzi † | Bishop of Potenza, Italy |
| 24.3 | Ordained Priest | Alessandro Garimberti † | Priest | Bishop of Borgo San Donnino, Italy |
| Appointed | Giovanni Battista Giacobini † | Bishop of Veroli, Italy |
| 49.0 | Appointed | Franz Josef Graf von Gondola, O.S.B. † | Vicar Apostolic of Nordic Missions, Germany | Auxiliary Bishop of Paderborn, Germany |
| Appointed | Francisco Ramón Herboso y Figueroa † | Bishop of Santa Cruz de la Sierra, Bolivia | Archbishop of La Plata o Charcas, Bolivia |
| 22.8 | Ordained Priest | Józef Kazimierz Kossakowski † | Priest | Coadjutor Bishop of Vilnius, Lithuania |
| 61.0 | Ordained Bishop | Theophilus McCartan † | Bishop of Down and Connor, Ireland |
| 25.3 | Ordained Priest | Francis Moylan † | Priest | Bishop of Cork, Ireland |
| 65.0 | Died | Andrés Núñez Monteagudo † | Auxiliary Bishop of Toledo, Spain |
| 53.4 | Appointed | Carlo Parlati † | Bishop of Potenza, Italy | Archbishop of Acerenza e Matera, Italy |
| Died | Gennaro Perrelli † | Bishop of Penne-Atri, Italy |
| Appointed | Matteo Testa Piccolomini † | Archbishop of Reggio Calabria, Italy |
| 74.0 | Died | Silvestro Stanà (Staria) † | Bishop Emeritus of Minori, Italy |
| 24.2 | Ordained Priest | Alexandre-Angélique Talleyrand de Périgord † | Priest | Cardinal, Archbishop of Paris, France |
| Born | Ignace Michel Zahir (Daher) † | Alep | Patriarch Emeritus of Antiochia {Antioch} (Syrian), Lebanon |
| 1 Jan | 57.1 | Appointed | Jacques-Marie de Caritat de Condorcet † | Bishop of Lisieux, France |
| 8 Jan | 46.3 | Appointed | Claude-Mathias-Joseph de Barral † | Bishop of Troyes, France | Bishop Emeritus |
| 35.9 | Appointed | Jean-Baptiste-Marie Champion de Cicé † | Bishop of Auxerre, France |
| Born | Jean-Jacques Guérard, M.E.P. † | Hottot-les-Bagues, France | Coadjutor Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 11 Jan | 33.3 | Ordained Bishop | Etienne-Charles de Loménie de Brienne † | Bishop of Condom, France | Cardinal, Archbishop of Sens, France |
| 13 Jan | | Born | Gioacchino Tosi † | Rome | Bishop Emeritus of Anagni, Italy |
| 14 Jan | 73.5 | Died | Onésimo Salamanca Zaldívar † | Archbishop of Burgos, Spain |
| 16 Jan | 84.5 | Died | Giovanni Andrea Tria † | Bishop Emeritus of Larino, Italy |
| 20 Jan | | Born | Lothar Anselm Freiherr von Gebsattel † | Würzburg | Archbishop of München und Freising {Munich}, Germany |
| 21 Jan | | Born | Antonio Pérez Hirias † | Valdeolivas | Bishop of Mallorca, Spain |
| 23 Jan | 89.2 | Died | Álvaro Eugenio de Mendoza Caamaño y Sotomayor † | Cardinal, Patriarch of West Indies, Spain |
| 25 Jan | 57.5 | Installed | Leopold Josef Hannibal Graf Petazzi de Castel Nuovo † | Bishop of Ljubljana, Slovenia |
| 28 Jan | 54.4 | Died | Diego del Corro † | Archbishop of Lima, Peru |
| 1 Feb | 36.5 | Ordained Priest | Marcantonio Colonna † | Priest of the Roman Curia - Other | Cardinal, Titular Archbishop of Corinthus |
| 5 Feb | 55.7 | Died | José Antonio Basurco y Herrera † | Bishop of Buenos Aires, Argentina |
| 6 Feb | 60.5 | Died | Clemens August Maria Herzog von Bayern † | Archbishop of Köln {Cologne}, Germany |
| 28.7 | Ordained Priest | Hieronymus Joseph Franz de Paula Graf Colloredo von Wallsee und Mels † | Priest of Wien {Vienna}, Austria | Archbishop of Salzburg, Austria |
| 14 Feb | 26.1 | Ordained Priest | John Carroll † | Priest of Society of Jesus | Archbishop of Baltimore, Maryland, USA |
| 23.1 | Ordained Priest | Andrej (André) Szabó † | Priest of Eger, Hungary | Bishop of Košice, Slovakia |
| 16 Feb | 46.4 | Confirmed | Claude-Mathias-Joseph de Barral † | Bishop of Troyes, France | Bishop Emeritus |
| 57.3 | Confirmed | Jacques-Marie de Caritat de Condorcet † | Bishop of Lisieux, France |
| 36.0 | Confirmed | Jean-Baptiste-Marie Champion de Cicé † | Bishop of Auxerre, France |
| 22 Feb | 59.0 | Ordained Bishop | Pedro Albornoz Tapia † | Bishop of Orihuela, Spain |
| 25 Feb | 34.1 | Appointed | John MacDonald † | Coadjutor Vicar Apostolic of Highland District, Scotland, Great Britain | Vicar Apostolic |
| 34.1 | Appointed | John MacDonald † | Titular Bishop of Tiberiopolis | Vicar Apostolic of Highland District, Scotland, Great Britain |
| 1 Mar | 26.2 | Professed | José do Menino Jesus (Deus), O.C.D. † | Member of Order of Discalced Carmelites | Bishop of Viseu, Portugal |
| 63.3 | Died | Carlos Antonio Riomol Quiroga † | Bishop of Mondoñedo, Spain |
| 23.7 | Ordained Priest | August Franz von Strauß † | Priest of Mainz, Germany | Auxiliary Bishop |
| 4 Mar | 47.0 | Appointed | Maximilian Reichsgraf von Hamilton † | Bishop of Olomouc, Czech Republic |
| 6 Mar | | Born | Jean-Baptist-Marie-Anne-Antoine de Latil † | Island of Sainte-Marguerite | Cardinal, Archbishop of Reims, France |
| 7 Mar | 23.0 | Ordained Priest | Erasmus Dionys Krieger † | Priest of Praha {Prague}, Czech Republic | Auxiliary Bishop |
| 21 Mar | 23.3 | Ordained Priest | Isidoro Leggio † | Priest | Bishop of Umbriatico (Umbriaticum), Italy |
| 29 Mar | 46.6 | Ordained Bishop | Claude-Mathias-Joseph de Barral † | Bishop of Troyes, France | Bishop Emeritus |
| 6 Apr | 61.1 | Installed | Filippo Acciajuoli † | Cardinal-Priest of S. Maria degli Angeli | Cardinal, Bishop of Ancona e Numana, Italy |
| 48.4 | Appointed | Juan Manuel Argüelles † | Auxiliary Bishop of Toledo, Spain | Bishop of Palencia, Spain |
| 48.4 | Appointed | Juan Manuel Argüelles † | Titular Bishop of Botrys | Bishop of Palencia, Spain |
| 37.0 | Appointed | Buenaventura Córdoba Espinosa de la Cerda † | Cardinal, Patriarch of West Indies, Antilles |
| 37.0 | Appointed | Buenaventura Córdoba Espinosa de la Cerda † | Titular Archbishop of Neocaesarea in Bithynia | Cardinal, Patriarch of West Indies, Antilles |
| 35.3 | Confirmed | Antonius Reichsgraf von Herberstein, C.R. † | Bishop of Trieste, Italy |
| 52.9 | Appointed | Max Friedrich Reichsgraf von Königsegg und Rothenfels † | Archbishop of Köln {Cologne}, Germany |
| 36.3 | Confirmed | Louis-Joseph de Montmorency-Laval † | Bishop of Metz, France | Cardinal, Bishop Emeritus |
| 45.5 | Appointed | Lucas Ramírez Galán, O.F.M. † | Auxiliary Bishop of Cartagena (en España) | Bishop of Tui, Spain |
| 45.5 | Appointed | Lucas Ramírez Galán, O.F.M. † | Titular Bishop of Tanis | Bishop of Tui, Spain |
| 40.2 | Appointed | Johann Moritz Freiherr von Strachwitz † | Auxiliary Bishop of Wrocław, Poland | Apostolic Administrator |
| 40.2 | Appointed | Johann Moritz Freiherr von Strachwitz † | Titular Bishop of Tiberias | Apostolic Administrator of Wrocław, Poland |
| 7 Apr | 81.0 | Died | José Bolaños Calzado, O.F.M. † | Titular Archbishop of Nisibis |
| 28 Apr | | Born | Jean Jacoupy † | Saint-Martin-de-Ribérac | Bishop Emeritus of Agen, France |
| 15 May | 46.4 | Appointed | Francisco Javier Delgado Benegas † | Bishop of Islas Canarias {Canary Islands}, Spain | Cardinal, Patriarch of West Indies, Antilles |
| 16 May | 24.4 | Ordained Priest | Filippo Scarola † | Priest | Titular Bishop of Helenopolis in Bithynia |
| 17 May | 40.3 | Ordained Bishop | Johann Moritz Freiherr von Strachwitz † | Titular Bishop of Tiberias | Apostolic Administrator of Wrocław, Poland |
| 19 May | | Born | José Antonio Azpeitia de y Sáenz de Santamaria † | Torrecilla de los Cameros | Bishop of Cartagena (en España) |
| 20 May | 67.3 | Resigned | Valentín Moran Menéndez, O. de M. † | Bishop of Islas Canarias {Canary Islands}, Spain | Bishop Emeritus |
| 22 May | 48.1 | Died | Edmond Bennetat, M.E.P. † | Coadjutor Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 24 May | 40.4 | Appointed | Mariano Martí † | Bishop of Puerto Rico (Porto Rico) | Bishop of Caracas, Santiago de Venezuela |
| 25 May | 57.2 | Confirmed | Franz Joseph Friedrich Ambuel † | Bishop of Sion {Sitten}, Switzerland |
| 28 May | | Born | Maria-Thaddeus von Trauttmansdorf Wiensberg † | Gratz | Cardinal, Archbishop of Olomouc, Czech Republic |
| 31 May | 45.6 | Ordained Bishop | Lucas Ramírez Galán, O.F.M. † | Titular Bishop of Tanis | Bishop of Tui, Spain |
| 3 Jun | | Born | Pierre Dupont de Poursat † | Chabanais | Bishop of Coutances, France |
| 4 Jun | | Born | John Baptist Mary David, P.S.S. † | Couëron, France | Bishop Emeritus of Bardstown, Kentucky, USA |
| 13 Jun | 43.1 | Appointed | Felipe Pérez Santa María † | Auxiliary Bishop of Toledo, Spain |
| 43.1 | Appointed | Felipe Pérez Santa María † | Titular Bishop of Constantia in Arabia | Auxiliary Bishop of Toledo, Spain |
| 28 Jun | 37.3 | Ordained Bishop | Buenaventura Córdoba Espinosa de la Cerda † | Titular Archbishop of Neocaesarea in Bithynia | Cardinal, Patriarch of West Indies, Antilles |
| 29 Jun | | Born | Jacques de la Brue de Saint-Bauzile † | Saint-Bauzile-de-la-Roche, France | Titular Bishop of Tempe |
| 5 Jul | 78.6 | Died | Domenico Silvio Passionei † | Cardinal, Librarian of the Vatican Library |
| 11 Jul | 23.0 | Ordained Priest | Jozef Ignác de Vilt (Wilt) † | Priest | Bishop of Győr, Hungary |
| 12 Jul | | Born | Louis-Charles-Jean-Baptiste Michel † | Aix-en-Provence | Bishop of Fréjus, France |
| 13 Jul | 57.9 | Appointed | Johann Theodor Herzog von Bayern † | Cardinal-Priest of S. Lorenzo in Lucina | Cardinal, Bishop of Regensburg, Germany |
| 53.2 | Confirmed | Max Friedrich Reichsgraf von Königsegg und Rothenfels † | Archbishop of Köln {Cologne}, Germany |
| 68.6 | Appointed | Camillo Paolucci † | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 57.2 | Appointed | Claudio Sanz Torres y Ruiz de Castañedo † | Bishop of Almería, Spain |
| 67.4 | Appointed | Giuseppe Spinelli † | Cardinal, Cardinal-Bishop of Ostia |
| 36.4 | Appointed | Henry Benedict Mary Clement Stuart of York † | Cardinal-Bishop of Frascati | Cardinal, Bishop of Frascati, Italy |
| 36.4 | Appointed | Henry Benedict Mary Clement Stuart of York † | Archbishop (Personal Title) of Frascati, Italy | Cardinal, Bishop |
| 20 Jul | | Died | Bartolomeo Mollo † | Bishop of San Severo, Italy |
| 24 Jul | | Born | Ferdinando Mattei † | Sanglae | Bishop of Malta |
| 26 Jul | 46.6 | Ordained Bishop | Francisco Javier Delgado Benegas † | Bishop of Islas Canarias {Canary Islands}, Spain | Cardinal, Patriarch of West Indies, Antilles |
| 28 Jul | | Born | Karl Joseph Freiherr von Riccabona † | Calves | Bishop of Passau, Germany |
| 27.7 | Ordained Priest | Carlo Scribani Rossi † | Priest of Piacenza, Italy | Bishop |
| 29 Jul | 16.8 | Professed | Michal Franciszek Karpowicz, C.M. † | Member of Congregation of the Mission | Bishop of Wigry, Poland |
| Born | Julián Sanz Palanco † | Campo Real | Bishop of Segorbe, Spain |
| 3 Aug | 72.7 | Died | Johann Friedrich Adolf Freiherr von Hörde zu Schönholthausen † | Vicar Apostolic of Nordic Missions, Germany |
| 12 Aug | 68.8 | Appointed | Alessandro Albani † | Cardinal, Archivist of the Vatican Secret Archives |
| 68.8 | Appointed | Alessandro Albani † | Librarian of the Vatican Library | Cardinal, Archivist of the Vatican Secret Archives |
| 16 Aug | 53.3 | Ordained Bishop | Max Friedrich Reichsgraf von Königsegg und Rothenfels † | Archbishop of Köln {Cologne}, Germany |
| 17 Aug | 48.4 | Appointed | José Patricio de la Cuesta Velarde † | Bishop of Sigüenza, Spain |
| 73.7 | Appointed | Francisco Díaz Santos y Bullón † | Archbishop of Burgos, Spain |
| 53.4 | Appointed | Antonio Gómez de la Torre y Jaraveitia † | Bishop of Ceuta, Spain | Bishop of Jaén, Spain |
| 47.4 | Confirmed | Maximilian Reichsgraf von Hamilton † | Bishop of Olomouc, Czech Republic |
| 20 Aug | | Born | Jean-Charles-Richard Dancel † | Cherbourg | Bishop of Bayeux, France |
| 24 Aug | | Born | Dionisio Ridolfini Conestabile † | Narni | Bishop of Viterbo e Tuscania, Italy |
| Born | Charles-Louis Salmon du Châtelier † | Savigny-sur-Braye | Bishop of Evreux, France |
| 28 Aug | 26.0 | Ordained Priest | Johann Maximilian Freiherr von Haunold † | Priest of Mainz, Germany | Auxiliary Bishop |
| 29 Aug | 14.7 | Professed | Tomasz Ostaszewski † | Member of Society of Jesus | Bishop of Płock, Poland |
| 30 Aug | 81.1 | Died | Joseph Dominikus Franz Kilian Reichsgraf von Lamberg † | Cardinal, Bishop of Passau, Germany |
| 6 Sep | 48.8 | Ordained Bishop | Juan Manuel Argüelles † | Titular Bishop of Botrys | Bishop of Palencia, Spain |
| 43.3 | Ordained Bishop | Felipe Pérez Santa María † | Titular Bishop of Constantia in Arabia | Auxiliary Bishop of Toledo, Spain |
| 57.3 | Ordained Bishop | Claudio Sanz Torres y Ruiz de Castañedo † | Bishop of Almería, Spain |
| 15 Sep | | Born | Alessio Jordansky † | Cassovia | Bishop of Šibenik (Knin), Croatia |
| 19 Sep | 24.5 | Ordained Priest | Adalbert Freiherr (Wilhelm Adolph Heinrich) von Harstall, O.S.B. † | Priest of Order of Saint Benedict | Bishop of Fulda, Germany |
| 22.9 | Ordained Priest | Antonino Reggio † | Priest | Bishop of Lipari, Italy |
| 24 Sep | | Born | Matthias Paulus Steindl † | Wieden | Auxiliary Bishop of Wien {Vienna}, Austria |
| 27 Sep | 34.7 | Ordained Bishop | John MacDonald † | Titular Bishop of Tiberiopolis | Vicar Apostolic of Highland District, Scotland, Great Britain |
| 29 Sep | | Born | Michael Francis Egan, O.F.M. † | Ireland | Bishop of Philadelphia, Pennsylvania, USA |
| 4 Oct | 23.0 | Ordained Priest | Karl Godefried Ritter von Rosenthal † | Priest of Olomouc, Czech Republic | Auxiliary Bishop |
| 10 Oct | 52.9 | Died | Francisco Javier Arriaza † | Bishop of Santander, Spain |
| 16 Oct | | Born | Juan Cavia González † | Astudillo | Bishop of Osma, Spain |
| 20 Oct | 17.9 | Professed | Anton Kautschitz † | Member of Society of Jesus | Bishop of Ljubljana, Slovenia |
| 21 Oct | | Born | Hilarión Díez, O.S.A. † | Valladolid, Spain | Archbishop of Manila, Philippines |
| 1 Nov | | Born | Charles-André-Toussaint-Bruno de Ramond-Lalande † | Montauban | Archbishop of Sens, France |
| 2 Nov | | Born | Karol Perényl † | Galánta | Auxiliary Bishop of Esztergom, Hungary |
| 6 Nov | 55.6 | Died | Alfonso Fernández Pantoja † | Bishop of León, Spain |
| 16 Nov | | Born | Juan Acisclo Vera Delgado † | Villanueva del Ariscal | Bishop of Cádiz, Spain |
| 19 Nov | 48.5 | Appointed | Josef Maria Reichsgraf von Thun und Hohenstein † | Bishop of Passau, Germany |
| 20 Nov | | Born | Francesco Saverio Maria Felice Castiglioni † | Cingoli | Pope (Roma {Rome}, Italy) |
| Appointed | Angelo Antonio Pallante † | Bishop of San Severo, Italy |
| 22 Nov | 83.0 | Died | José Botelho de Matos † | Archbishop Emeritus of São Salvador da Bahia, Brazil |
| 23 Nov | 37.7 | Elevated to Cardinal | Buenaventura Córdoba Espinosa de la Cerda † | Cardinal, Patriarch of West Indies, Antilles |
| Born | St. Ignacio Clemente Delgado Cebrián, O.P. † | Villafeliche, Spain | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viêt Nam |
| 34.3 | Appointed | Pedro Ángel de Espiñeira, O.F.M. † | Bishop of Concepción, Chile |
| 55.7 | Elevated to Cardinal | Franz Christoph Reichsfreiherr von Hutten zu Stolzenfels † | Cardinal, Bishop of Speyer, Germany |
| 58.7 | Appointed | José Francisco Losada Quiroga † | Bishop of Mondoñedo, Spain |
| 47.1 | Appointed | Christoph Bartholomäus Anton Graf Migazzi † | Cardinal-Priest of Ss. Quattro Coronati | Cardinal, Archbishop of Wien {Vienna}, Austria |
| 47.1 | Elevated to Cardinal | Christoph Bartholomäus Anton Graf Migazzi † | Cardinal, Archbishop of Wien {Vienna}, Austria |
| 60.9 | Elevated to Cardinal | Enrichetto Virginio (Raffale Francesco) Natta, O.P. † | Cardinal, Bishop of Alba (Pompea), Italy |
| 53.8 | Elevated to Cardinal | Jean-François-Joseph de Rochechouard de Faudoas † | Cardinal, Bishop of Laon, France |
| 64.7 | Elevated to Cardinal | Louis-César-Constantin de Rohan-Guémené-Montbazon † | Cardinal, Bishop of Strasbourg, France |
| 30 Nov | 57.8 | Ordained Bishop | Franz Joseph Friedrich Ambuel † | Bishop of Sion {Sitten}, Switzerland |
| 2 Dec | | Born | Hipólito Antonio Sánchez Rangel de Fayas, O.F.M. † | Los Santos de Maimona, Spain | Bishop of Lugo, Spain |
| 6 Dec | 53.7 | Ordained Bishop | Antonio Gómez de la Torre y Jaraveitia † | Bishop of Ceuta, Spain | Bishop of Jaén, Spain |
| 12 Dec | | Born | Fernando Cano Almirante, O.F.M. † | Villaverde de Frades, Spain | Bishop of Islas Canarias {Canary Islands}, Spain |
| 19 Dec | 29.6 | Appointed | Hieronymus Joseph Franz de Paula Graf Colloredo von Wallsee und Mels † | Bishop of Gurk, Austria | Archbishop of Salzburg, Austria |
| 27.3 | Ordained Priest | Charles Alexandre d'Arberg et de Valengin † | Priest of Tournai {Doornik}, Belgium | Bishop Emeritus of Ypres (Ieper), Belgium |
| 20 Dec | 23.1 | Ordained Priest | Johann Joseph Schüller von Ehrenthal † | Priest of Meissen (Meißen) {Lusazia o Lausitz; Sassonia}, Germany | Prefect |
| 21 Dec | | Born | Constantin Ernest Ruziczka (Růžička) † | Tloskowiez | Bishop of Ceské Budĕjovice {Budweis}, Czech Republic |
| 23 Dec | | Born | Prosper de Tournefort † | Villes-sur-Auzon | Bishop of Limoges, France |
| 24 Dec | | Appointed | Théodose Dahan † | Patriarch of Antiochia {Antioch} (Melkite), Syria |
| 25 Dec | | Born | Manuel Nicolau de Almeida, O.C.D. † | Vila Franca de Xira | Bishop of Angra, Portugal |
| Born | Giovanni Antioco Azzei † | Oristano | Archbishop of Oristano, Italy |
| 30 Dec | | Born | Francesco-Saverio Domeniconi † | Roma | Bishop of Alatri, Italy |