| Date | Age | Event | Bishop | Title | Current Title |
|---|
| unknown | | Born | Antonio Boscarini † | Urbania | Bishop of Urbania-Sant’Angelo in Vado, Italy |
| Died | António Freire Gameiro de Sousa † | Bishop of Aveiro, Portugal |
| 65.4 | Ordained Priest | Ludovico Flangini Giovanelli † | Priest | Cardinal, Patriarch of Venezia {Venice}, Italy |
| Died | José da Avé-Maria Leite da Costa e Silva † | Bishop of Angra, Portugal |
| 79.0 | Died | Tommaso Mancini † | Bishop Emeritus of Città della Pieve, Italy | Bishop |
| 24.8 | Ordained Priest | Manuel Martínez Ferro, O. de M. † | Priest of Order of Our Lady of Mercy | Bishop of Málaga, Spain |
| Died | Filippo Paini † | Bishop of Sulmona, Italy |
| Appointed | António de São José de Castro † | Bishop of Porto, Portugal |
| Died | Anselmo Maria Toppi † | Bishop of Termoli, Italy |
| 1 Jan | 22.6 | Ordained Priest | Luigi Emmanuele Nicolo Lambruschini, B. † | Priest of Clerics Regular of St. Paul | Cardinal, Prefect of the Congregation of Rites |
| 6 Jan | 79.0 | Died | Jean Jacques (Johann Jakob) Lantz † | Auxiliary Bishop of Strasbourg, France |
| 8 Jan | 62.7 | Died | Francisco Ignacio Iñigo Angulo † | Bishop of Osma, Spain |
| 14 Jan | | Born | Juan Hilario Bosset (Boset) † | Puerto de Guayra | Bishop of Mérida, Venezuela |
| 22 Jan | 70.1 | Died | Francisco Javier Cabrera Velasco † | Bishop of Avila, Spain |
| Born | Edoardo Hurmuz † | Costantinopoli | Titular Bishop of Siraces |
| 26 Jan | 74.8 | Died | Carlo Rezzonico, Jr. † | Bishop of Porto e Santa Rufina, Italy | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 30 Jan | 53.8 | Resigned | Antonio Despuig y Dameto † | Archbishop of Sevilla {Seville}, Spain | Cardinal, Archbishop Emeritus |
| 2 Feb | 67.1 | Died | Feliciano Alonso, O.P. † | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viêt Nam |
| 37.2 | Succeeded | St. Ignacio Clemente Delgado Cebrián, O.P. † | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viêt Nam |
| 7 Feb | 16.1 | Professed | Pedro de Santa Mariana e Souza, O.C.D. † | Member of Order of Discalced Carmelites | Auxiliary Bishop of São Sebastião do Rio de Janeiro, Brazil |
| 11 Feb | 63.4 | Died | John Geddes † | Coadjutor Vicar Apostolic Emeritus of Lowland District, Scotland, Great Britain |
| 16 Feb | 24.7 | Ordained Priest | Martino Leonardo Brandaglia † | Priest | Bishop of Fiesole, Italy |
| 17 Feb | 71.6 | Died | Alexandre da Silva Pedrosa Guimarães † | Bishop Emeritus of Macau, China |
| 22 Feb | 58.1 | Died | Johann Baptist Lachenbauer, O. Cr. † | Bishop of Brno, Czech Republic |
| 24 Feb | 58.5 | Ordained Bishop | Pedro Díaz Valdés † | Bishop of Barcelona, Spain |
| 28 Feb | | Born | Giovanni Rosati † | Ferentino | Bishop of Todi, Italy |
| 4 Mar | | Born | Casimir-Alexis-Joseph Wicart † | Méteren | Bishop Emeritus of Laval, France |
| 5 Mar | | Born | Guy-Louis-Jean-Marie Alouvry † | London, Great Britain | Bishop Emeritus of Pamiers, France |
| 7 Mar | 78.5 | Died | Bartolomeu Manoel Mendes dos Reis † | Bishop Emeritus of Mariana, Brazil |
| 8 Mar | | Died | Paolo Pozzuoli † | Bishop of Sant’Agata de’ Goti, Italy |
| 13 Mar | 21.8 | Ordained Priest | Luis María Borbón Vallabriga † | Priest | Cardinal, Archbishop Emeritus of Toledo, Spain |
| 15 Mar | 21.8 | Appointed | Luis María Borbón Vallabriga † | Archbishop of Sevilla {Seville}, Spain | Cardinal, Archbishop Emeritus of Toledo, Spain |
| 16 Mar | 49.3 | Installed | José Valério da Cruz † | Bishop of Portalegre, Portugal |
| 23 Mar | 22.9 | Ordained Priest | Giuseppe Pecci † | Priest | Cardinal, Bishop of Gubbio, Italy |
| 28 Mar | 54.5 | Appointed | Michal Franciszek Karpowicz, C.M. † | Bishop of Wigry, Poland |
| 68.1 | Appointed | Juan Moya, O.F.M. † | Archbishop (Personal Title) of Osma, Spain | Bishop Emeritus |
| 61.1 | Appointed | Teodozy Wislocki, O.S.Bas. † | Bishop of Foreign Diocese |
| Apr | 43.1 | Resigned | Lorenzo Litta † | Apostolic Nuncio to Russian Federation | Cardinal, Official of the Roman Curia - Other |
| 12 Apr | | Born | Niccola Clarelli Parracciani † | Rieti | Cardinal, Secretary of the Roman Curia - Other |
| 15 Apr | 64.9 | Died | Yves-Alexandre de Marbeuf † | Archbishop of Lyon, France |
| 51.5 | Appointed | Rafael Múzquiz Aldunate † | Archbishop (Personal Title) of Avila, Spain | Archbishop of Santiago de Compostela, Spain |
| 17 Apr | 73.3 | Died | Jose Martinez Palomino y Lopez de Lorena † | Bishop of Foreign Diocese |
| 2 May | | Born | Giacomo Bernardi † | S. Anna a Pelago | Bishop of Massa Carrara, Italy |
| 9 May | | Born | Eleonoro Aronne † | Serrone | Bishop of Montalto, Italy |
| 28 May | | Born | José Antonio de la Peña y Navarro † | Zamora | Bishop of Zamora, Michoacán, México |
| 31 May | 65.5 | Died | Félix Rico Rico † | Bishop of Teruel, Spain |
| 2 Jun | 22.0 | Ordained Bishop | Luis María Borbón Vallabriga † | Archbishop of Sevilla {Seville}, Spain | Cardinal, Archbishop Emeritus of Toledo, Spain |
| 15 Jun | | Born | Luigi Natoli † | Patti | Archbishop of Messina, Italy |
| 8 Jul | | Born | Pedro Cirilo Uriz Labayru † | Olite | Bishop of Pamplona, Spain |
| 16 Jul | | Born | John Barry † | Coolamain, Ireland | Bishop of Savannah, Georgia, USA |
| 18 Jul | | Born | Jerónimo Fernández Andrés † | Saelices de Mayorga | Bishop of Palencia, Spain |
| 21 Jul | 70.0 | Died | Manuel Ferrer y Figueredo † | Bishop of Málaga, Spain |
| 22 Jul | | Born | Joseph-Armand Gignoux † | Bordeaux | Bishop of Beauvais (-Noyon-Senlis), France |
| 26 Jul | | Born | Jean-François-Augustin Galtier † | Brousse-le-Château | Bishop of Pamiers, France |
| 17 Aug | 62.6 | Died | Baltazar Jaime Martínez de Compañón † | Archbishop of Santafé en Nueva Granada, Colombia |
| 19 Aug | | Born | Esteban Pérez Fernández † | Jorairatar | Bishop of Málaga, Spain |
| 29 Aug | 81.7 | Died | Giovanni Angelico Braschi † | Pope (Roma {Rome}, Italy) |
| 30 Aug | | Born | Jean-François-Marie Cart † | Mouthe | Bishop of Nimes, France |
| 2 Sep | | Born | Jacques Jeancard, O.M.I. † | Cannes | Auxiliary Bishop Emeritus of Marseille, France |
| 14 Sep | | Born | Francesco Saverio d'Ambrosio, O.F.M. Cap. † | S. Erasmo | Bishop of Muro Lucano, Italy |
| 16 Sep | 77.3 | Died | Felipe José de Tres-Palacios y Verdeja † | Bishop of San Cristobal de la Habana, Cuba |
| 21 Sep | 23.4 | Ordained Priest | Matthäus Kutschank † | Priest of Meissen (Meißen) {Lusazia o Lausitz; Sassonia}, Germany | Prefect |
| 24.2 | Ordained Priest | Karl Anton Joseph Lüpke † | Priest of Osnabrück, Germany | Auxiliary Bishop |
| 25 Sep | | Born | William Turner † | Whittingham, Preston | Bishop of Salford, England, Great Britain |
| 29 Sep | | Born | Michele Viale-Prelà † | Bastia | Cardinal, Archbishop of Bologna, Italy |
| 9 Oct | 53.2 | Succeeded | Jean Labartette, M.E.P. † | Vicar Apostolic of Cochin {Cocincina}, Viêt Nam |
| 57.9 | Died | Pierre-Joseph-Georges Pigneau de Béhaine, M.E.P. † | Vicar Apostolic of Cochin {Cocincina}, Viêt Nam |
| 23 Oct | 72.7 | Died | Jozef Batthyány † | Cardinal, Archbishop of Esztergom, Hungary |
| Born | Antonio Rafael Domínguez Valdecañas † | Lucena | Bishop of Guadix, Spain |
| 27 Oct | 32.6 | Ordained Priest | Giovanni Francesco Falzacappa † | Priest | Cardinal, Prefect of the Apostolic Signatura |
| 30 Oct | | Born | Ignace Bourget † | St-Joseph de Pointe-Lévis | Bishop Emeritus of Montréal, Québec, Canada |
| Born | Giovanni Domenico Rizzolati, O.F.M. † | Clauzetto, Italy | Vicar Apostolic of Northern Honan {Ho-Nan Settentrionale}, China |
| Nov | 55.5 | Died | Juan Antonio Tamayo, O.S. † | Titular Bishop of Botrys |
| 4 Nov | | Born | Nicolás Castells, O.F.M. Cap. † | Barcelona, Spain | Apostolic Delegate to Other |
| 24 Nov | | Born | Heinrich Ernst Karl Förster † | Glogau | Bishop of Wrocław, Poland |
| 26 Nov | | Born | Mariano José de Escalada Bustillo y Zeballos † | Buenos Aires | Archbishop of Buenos Aires, Argentina |
| 6 Dec | 34.9 | Ordained Priest | Ferdinand August Graf Spiegel † | Priest of Köln {Cologne}, Germany | Archbishop |
| 10 Dec | | Born | Joseph Crétin † | Montluel, France | Bishop of Saint Paul, Minnesota, USA |
| 15 Dec | | Born | François-Marie-Joseph Lecourtier † | Paris | Archbishop Emeritus of Montpellier (, Lodève, Béziers, Agde, e Saint-Pons-de-Thomières), France |
| 46.5 | Appointed | Jean-Claude Leblanc de Beaulieu † | Bishop of Foreign Diocese | Bishop Emeritus of Soissons, France |
| 18 Dec | | Born | Joseph-Auguste-Victorin Morlhon † | Villefranche-de-Rouergue | Bishop of Le Puy-en-Velay, France |
| 19 Dec | 51.0 | Resigned | Andrés Ambrosio de Llanos y Valdés, O.F.M. † | Bishop of Linares o Nueva León, Nuevo León, México | Bishop of Chiapas (Ciudad Real de Chiapas), Chiapas, México |
| 21 Dec | 24.3 | Ordained Priest | Giovanni-Pietro-Aurelio Mutti, O.S.B. † | Priest of Order of Saint Benedict | Patriarch of Venezia {Venice}, Italy |
| 24.0 | Ordained Priest | Carlos de São José e Souza, O.C.D. † | Priest of Order of Discalced Carmelites | Bishop of São Luís do Maranhão, Brazil |
| 26 Dec | | Born | Mattia Wolonczewscki † | Nantray | Bishop of Samogizia o Tels (Zmudz), Lithuania |
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