| Date | Age | Event | Bishop | Title | Current Title |
| 6 Jul | 30.9 | Ordained Priest | Karl Kajetan von Gaisruck (Gaysruck) † | Priest of Passau, Germany | Cardinal, Archbishop of Milano {Milan}, Italy |
| Born | Karl August von Reisach † | Roth | Cardinal, Archbishop Emeritus of München und Freising {Munich}, Germany |
| 14 Jul | 51.0 | Died | Fermín José Fuero y Gómez Martinez Arañon † | Bishop of Chiapas (Ciudad Real de Chiapas), México |
| 16 Jul | 63.8 | Died | Franz von Raigesfeld, S.J. † | Auxiliary Bishop of Ljubljana, Slovenia |
| 17 Jul | 24.5 | Ordained Deacon | Ignacy Ludwik Pawłowski † | Deacon | Archbishop of Mohilev, Belarus |
| 19 Jul | | Born | Justo Donoso Vivanco † | Santiago | Bishop of La Serena, Chile |
| 21 Jul | 45.5 | Selected | Nicolo Navoni † | Bishop of Iglesias, Italy | Archbishop of Cagliari, Italy |
| 22 Jul | 59.9 | Died | Carlo Belloni † | Bishop of Carpi, Italy |
| 62.4 | Selected | Antonio Raffaele Dolci, O.P. † | Bishop of Stagno (Ston), Croatia |
| 24.5 | Ordained Priest | Ignacy Ludwik Pawłowski † | Priest | Archbishop of Mohilev, Belarus |
| 25 Jul | 49.6 | Ordained Bishop | St. Louis Gabriel Taurin Dufresse, M.E.P. † | Titular Bishop of Thabraca | Vicar Apostolic of Se-Ciuen (Setchoan), China |
| 27 Jul | | Born | Giuseppe Autelitano † | Bova | Bishop of Nusco, Italy |
| 23.3 | Ordained Priest | Bl. Johann Nepomuk von Tschiderer zu Gleitheim † | Priest | Bishop of Trento, Italy |
| 3 Aug | | Born | Jacobus Grooff † | Amsterdam, Netherlands | Vicar Apostolic of Dutch Guyana-Suriname, Suriname, Antilles |
| Born | Patrício Xavier de Moura † | Setúbal, Portugal | Bishop of Funchal, Portugal |
| Born | Angelo Ramazzotti † | Milan | Patriarch of Venezia {Venice}, Italy |
| Born | Carmelo Scicluna † | Pinto | Bishop of Malta |
| 5 Aug | 65.0 | Died | Ferdinando Crispo Doria † | Bishop of Castellammare di Stabia, Italy |
| 11 Aug | 56.7 | Appointed | Michele Argelati † | Bishop of Terracina, Priverno e Sezze, Italy |
| 58.6 | Appointed | Filippo Angelico (Antonius Maria Alexander) Becchetti, O.P. † | Bishop of Città della Pieve, Italy | Bishop Emeritus |
| 59.9 | Appointed | Stefano Bellini † | Bishop of Fossombrone, Italy | Bishop of Recanati e Loreto, Italy |
| 51.0 | Appointed | Pedro Luis Blanco † | Bishop of León, Spain |
| 45.0 | Appointed | Cesare Brancadoro † | Archbishop (Personal Title) of Orvieto, Italy | Cardinal, Archbishop of Fermo, Italy |
| 67.8 | Appointed | Nicola Buschi † | Archbishop (Personal Title) of Ferentino, Italy | Bishop |
| 38.2 | Appointed | Giovanni Francesco Capelletti † | Bishop of Fabriano e Matelica, Italy | Bishop of Ascoli Piceno, Italy |
| 67.2 | Appointed | Giovanni Battista Caprara Montecuccoli † | Archbishop (Personal Title) of Jesi, Italy | Cardinal, Archbishop of Milano {Milan}, Italy |
| 41.1 | Appointed | Diego Innico Caracciolo di Martina † | Cardinal-Priest of Sant’Agostino | Cardinal, Bishop of Palestrina, Italy |
| 41.1 | Elevated to Cardinal | Diego Innico Caracciolo di Martina † | Cardinal, Bishop of Palestrina, Italy |
| 38.7 | Appointed | Francesco Saverio Maria Felice Castiglioni † | Bishop of Montalto (delle Marche), Italy | Pope (Roma {Rome}, Italy) |
| 68.6 | Appointed | Joaquín Company Soler, O.F.M. † | Archbishop of Valencia, Spain |
| 43.2 | Appointed | Ercole Consalvi † | Secretary of the Secretariat of State | Cardinal, Prefect of the Congregation for Propagation of the Faith |
| 43.2 | Appointed | Ercole Consalvi † | Cardinal-Deacon of Sant’Agata de’ Goti | Cardinal, Prefect of the Congregation for Propagation of the Faith |
| 43.2 | Elevated to Cardinal | Ercole Consalvi † | Cardinal, Prefect of the Congregation for Propagation of the Faith |
| 46.0 | Appointed | Rafael de La Vara † | Auxiliary Bishop of Santa Cruz de la Sierra, Bolivia | Archbishop of Guatemala |
| 46.0 | Appointed | Rafael de La Vara † | Titular Bishop of Botrys | Archbishop of Guatemala |
| 50.7 | Appointed | Francisco Javier de Lizana y Beaumont † | Bishop of Teruel, Spain | Archbishop of México, Federal District |
| 44.3 | Appointed | Juan José Díaz de Espada y Fernánez de Landa † | Bishop of San Cristobal de la Habana, Cuba |
| 51.5 | Appointed | Georg Karl Ignaz von Fechenbach zu Laudenbach † | Coadjutor Bishop of Bamberg, Germany | Bishop of Würzburg, Germany |
| 54.8 | Confirmed | Giuseppe Francesco Maria Ferraris da Genola † | Bishop of Saluzzo, Italy |
| 57.2 | Appointed | Antonio Luis Gaona, O.S. † | Titular Bishop of Olba |
| 59.3 | Appointed | José Antonio García Mohedano † | Bishop of Guayana, Venezuela |
| 37.4 | Appointed | Francesco Maria Gazzoli † | Bishop of Amelia, Italy | Bishop of Todi, Italy |
| 36.9 | Appointed | Andreas Stanislaus von Hattynski (Hatten) † | Auxiliary Bishop of Warmia (Ermland), Poland | Bishop |
| 36.9 | Appointed | Andreas Stanislaus von Hattynski (Hatten) † | Titular Bishop of Diana | Bishop of Warmia (Ermland), Poland |
| 63.7 | Appointed | José Vicente Lamadrid † | Bishop of Málaga, Spain |
| 44.8 | Appointed | Giovanni Battista Lambruschini † | Titular Bishop of Azotus | Bishop of Orvieto, Italy |
| 63.2 | Confirmed | Salvator Giuseppe Mammeli † | Bishop of Alghero, Italy | Bishop-Elect |
| 61.5 | Confirmed | Gavino Murro † | Bishop of Bosa, Italy | Archbishop of Sassari, Italy |
| 45.5 | Confirmed | Nicolo Navoni † | Bishop of Iglesias, Italy | Archbishop of Cagliari, Italy |
| 55.9 | Appointed | Fabrizio Dionigi Ruffo † | Cardinal-Deacon of Santa Maria in Cosmedin | Cardinal, Chamberlain Emeritus of the College of Cardinals |
| 56.1 | Confirmed | Vinzenz Joseph Franz Sales von Schrattenbach † | Bishop of Brno, Czech Republic |
| 51.8 | Appointed | Benedetto Sinibaldi † | Titular Archbishop of Ephesus |
| 37.4 | Confirmed | Emanuel Maria Thun † | Bishop of Trento, Italy |
| 13 Aug | | Born | John Michael Marszewski † | Danzig | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 14 Aug | | Born | François-Marie Vibert † | Yenne | Bishop of Saint-Jean-de-Maurienne, France |
| 16 Aug | 68.1 | Selected | Nikolaus Kondé de Póka-Telek † | Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania |
| 52.1 | Selected | László Köszeghy von Romete † | Bishop of Csanád, Hungary |
| 62.1 | Selected | Jozef Ignác de Vilt (Wilt) † | Bishop of Beograd (-Smederevo), Serbia | Bishop of Győr (Raab), Hungary |
| 57.8 | Selected | Gabriel Zerdahely † | Bishop of Banská Bystrica, Slovakia |
| 17 Aug | 58.6 | Ordained Bishop | Filippo Angelico (Antonius Maria Alexander) Becchetti, O.P. † | Bishop of Città della Pieve, Italy | Bishop Emeritus |
| 59.9 | Ordained Bishop | Stefano Bellini † | Bishop of Fossombrone, Italy | Bishop of Recanati e Loreto, Italy |
| 38.2 | Ordained Bishop | Giovanni Francesco Capelletti † | Bishop of Fabriano e Matelica, Italy | Bishop of Ascoli Piceno, Italy |
| 38.7 | Ordained Bishop | Francesco Saverio Maria Felice Castiglioni † | Bishop of Montalto (delle Marche), Italy | Pope (Roma {Rome}, Italy) |
| 44.8 | Ordained Bishop | Giovanni Battista Lambruschini † | Titular Bishop of Azotus | Bishop of Orvieto, Italy |
| 51.8 | Ordained Bishop | Benedetto Sinibaldi † | Titular Archbishop of Ephesus |
| 19 Aug | 53.5 | Appointed | Giovanni Filippo Gallarati Scotti † | Prefect of the Prefecture of the Papal Household | Cardinal, Prefect Emeritus |
| 22 Aug | | Born | Pietro-Raffaele Arduini, O.F.M. Conv. † | Alghere | Bishop of Alghero, Italy |
| 24 Aug | 24.3 | Ordained Deacon | Joseph von Hohenzollern-Hechingen † | Deacon of Warmia (Ermland), Poland | Bishop |
| 28 Aug | | Born | Giuseppe Agostino Salomoni, C.M. † | Pezzetti | Bishop Emeritus of Cuneo, Italy |
| 30 Aug | | Appointed | Jacobus Dillon † | Bishop of Kilmore, Ireland |
| 31 Aug | 24.3 | Ordained Priest | Joseph von Hohenzollern-Hechingen † | Priest of Warmia (Ermland), Poland | Bishop |
| 23.0 | Ordained Priest | José Luis Serrano † | Priest | Bishop of Santa Marta, Colombia |
| Sep | 62.5 | Died | Antonio Maria Gardini † | Bishop of Crema, Italy |
| 61.6 | Ordained Bishop | Gavino Murro † | Bishop of Bosa, Italy | Archbishop of Sassari, Italy |
| 3 Sep | 66.3 | Died | François de Bonnal (Bonal) † | Bishop of Clermont, France |
| 4 Sep | | Died | Ignace Michel III Djarwé (Jarweh) † | Patriarch of Antiochia {Antioch} (Syrian), Lebanon |
| 7 Sep | 38.7 | Ordained Priest | Prosper de Tournefort † | Priest | Bishop of Limoges, France |
| 9 Sep | | Born | François-Augustin Delamare † | Valognes | Archbishop of Auch, France |
| 34.7 | Appointed | St. Domingo Henares, O.P. † | Coadjutor Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viet Nam |
| 34.7 | Appointed | St. Domingo Henares, O.P. † | Titular Bishop of Fesseë | Coadjutor Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viet Nam |
| 10 Sep | 74.3 | Died | Giovanni Lotrecchi † | Bishop of Todi, Italy |
| 12 Sep | 60.7 | Confirmed | Jan Jakub Szymonowicz † | Archbishop of Lviv (Armenian), Ukraine |
| 14 Sep | 69.6 | Ordained Deacon | Silvestro Scarani † | Deacon | Auxiliary Bishop of Ostia (-Velletri), Italy |
| 17 Sep | | Born | Michele Fogarasy † | Gyergyószentmiklós | Bishop of Transilvania, Erdély, Siebenbürgen, Romania |
| 18 Sep | | Born | Ferenc Szenczy † | Szombathely | Bishop of Szombathely, Hungary |
| 20 Sep | 23.6 | Ordained Priest | Mariano Brasca Bartocci † | Priest | Bishop Emeritus of Amelia, Italy |
| 26.6 | Ordained Priest | Nicola Caputo de’ Marchesi di Cerreto † | Priest | Bishop of Lecce, Italy |
| Born | Jean-Pierre Mabile † | Rurey | Bishop of Versailles, France |
| 69.6 | Ordained Priest | Silvestro Scarani † | Priest | Auxiliary Bishop of Ostia (-Velletri), Italy |
| 21 Sep | 23.3 | Ordained Priest | Jean-Jacques Lartigue, P.S.S. † | Priest of Society of Priests of Saint Sulpice | Bishop of Montréal, Québec, Canada |
| 22 Sep | 88.0 | Died | Dominique de La Rochefoucauld † | Cardinal, Archbishop of Rouen, France |
| 23 Sep | 65.1 | Died | Antonio Ramón de Espinosa y Lorenzo, O.P. † | Bishop of Mérida, Venezuela |
| 24 Sep | 26.2 | Ordained Deacon | Francesco Leonini † | Deacon | Bishop of Urbania-Sant’Angelo in Vado, Italy |
| 25 Sep | | Born | Pietro Bottazzi † | Lacedonia | Bishop of Larino, Italy |
| 27 Sep | 68.8 | Resigned | Stefano Borgia † | Pro-Prefect of the Congregation for Propagation of the Faith | Cardinal, Prefect |
| 29 Sep | 74.2 | Died | Juan Díaz de La Guerra † | Bishop of Sigüenza, Spain |
| 30 Sep | | Born | St. Jerónimo Hermosilla, O.P. † | Santo Domingo de La Calzada, Spain | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viet Nam |
| Oct | 86.5 | Died | Adam Stanisław Krasiński † | Bishop Emeritus of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| 64.6 | Died | Antonio Martínez de la Plaza † | Bishop of Cádiz, Spain |
| 1 Oct | 45.6 | Appointed | Binkentios Coressi † | Archbishop of Naxos, Greece | Vicar Apostolic of Constantinople, Turkey |
| 5 Oct | 43.2 | Appointed | Louis de Belmas † | Bishop | Bishop of Cambrai, France |
| 31.8 | Appointed | Giovanni Battista Russin † | Bishop of Syros (e Milos), Greece | Bishop Emeritus |
| 6 Oct | 68.2 | Died | Francesco Lorenzo Massajoli † | Bishop of Nocera Umbra, Italy |
| 8 Oct | | Born | Louis-Auguste Delalle † | Revin | Bishop of Rodez, France |
| 9 Oct | 65.8 | Died | Vincenzo Maria Castro † | Bishop of Castellaneta, Italy |
| Born | St. Giustino Sebastiano Pasquale de Jacobis, C.M. † | San Fele, Italy | Vicar Apostolic of Abyssinia, Ethiopia |
| 11 Oct | 56.3 | Installed | Vinzenz Joseph Franz Sales von Schrattenbach † | Bishop of Brno, Czech Republic |
| 13 Oct | | Born | Vincenzo d’Alfonso † | Scapoli | Bishop of Penne e Atri, Italy |
| 14 Oct | | Born | José Maria da Silva Torres, O.S.B. † | Vitória, Portugal | Coadjutor Bishop Emeritus of Braga, Portugal |
| 19 Oct | 55.0 | Died | Giuseppe Francesco Maria Ferraris da Genola † | Bishop of Saluzzo, Italy |
| 20 Oct | 23.4 | Appointed | Luis María Borbón Vallabriga † | Cardinal-Priest of Santa Maria della Scala | Cardinal, Archbishop Emeritus of Toledo, Spain |
| 23.4 | Elevated to Cardinal | Luis María Borbón Vallabriga † | Cardinal, Archbishop Emeritus of Toledo, Spain |
| 48.3 | Appointed | Giovanni Coppola † | Titular Archbishop of Myra |
| 62.6 | Confirmed | Antonio Raffaele Dolci, O.P. † | Bishop of Stagno (Ston), Croatia |
| Born | Giovanni Tommaso Ghilardi, O.P. † | Casalgrasso | Bishop of Mondovi, Italy |
| 60.4 | Appointed | Antonio Palafox y Croy de Abre † | Bishop of Cuenca, Spain |
| 23 Oct | | Born | Enrico Orfei † | Orvieto | Cardinal, Archbishop of Ravenna, Italy |
| 24 Oct | 45.0 | Appointed | Giovanni Battista Lambruschini † | Coadjutor Bishop of Genova, Italy | Bishop of Orvieto, Italy |
| 26 Oct | 43.2 | Ordained Bishop | Louis de Belmas † | Bishop | Bishop of Cambrai, France |
| Born | Michael von Deinlein † | Neunkirchen | Archbishop of Bamberg, Germany |
| 27 Oct | 74.1 | Died | Vincenzo Ranuzzi † | Cardinal, Bishop of Ancona e Numana, Italy |
| 28 Oct | 48.3 | Ordained Bishop | Giovanni Coppola † | Titular Archbishop of Myra |
| Born | Dominique Galvano † | Bibliana, Italy | Bishop of Nice, France |
| 30 Oct | 47.3 | Appointed | Romoaldo Braschi-Onesti † | Chamberlain (Camerlengo) of the Apostolic Chamber | Cardinal, Archpriest of the Basilica di San Pietro in Vaticano {Saint Peter Basilica} |
| 2 Nov | 72.8 | Died | Arnaldo Speroni, O.S.B. † | Bishop of Adria, Italy |
| 6 Nov | 84.1 | Died | José Luis Mollinedo † | Bishop of Palencia, Spain |
| 7 Nov | 51.9 | Appointed | Gregory Stapleton † | Vicar Apostolic of Midland District, England, Great Britain |
| 51.9 | Appointed | Gregory Stapleton † | Titular Bishop of Hierocaesarea | Vicar Apostolic of Midland District, England, Great Britain |
| 8 Nov | 68.8 | Installed | Joaquín Company Soler, O.F.M. † | Archbishop of Valencia, Spain |
| 9 Nov | 64.6 | Ordained Bishop | Nikola Bani (Ban) † | Archbishop of Dubrovnik (Ragusa), Croatia |
| 54.8 | Ordained Bishop | József Mártonfi † | Bishop of Transilvania, Erdély, Siebenbürgen, Romania |
| 16 Nov | 51.2 | Ordained Bishop | Pedro Luis Blanco † | Bishop of León, Spain |
| 64.0 | Ordained Bishop | José Vicente Lamadrid † | Bishop of Málaga, Spain |
| 45.8 | Ordained Bishop | Nicolo Navoni † | Bishop of Iglesias, Italy | Archbishop of Cagliari, Italy |
| 21 Nov | 17.0 | Professed | Celestino Maria Cocle, C.SS.R. † | Member of Congregation of the Most Holy Redeemer | Titular Archbishop of Patrae (Veters) |
| 22 Nov | | Born | Gerardus Petrus Wilmer † | Boxtel | Bishop of Haarlem, Netherlands |
| 23 Nov | 34.1 | Appointed | Leopold Maximilian von Firmian (Frimian) † | Bishop of Lavant, Slovenia | Archbishop of Wien {Vienna}, Austria |
| Born | Marie-Julien Meirieu † | Saint-Gilles-du-Gard | Bishop Emeritus of Digne, France |
| 26 Nov | | Born | Bl. Anton Martin Slomšek † | Slom | Bishop of Lavant, Slovenia |
| 3 Dec | | Born | Giuseppe Pappalardo † | Napoli | Archbishop Emeritus of Conza e Campagna, Italy |
| 6 Dec | 62.9 | Resigned | Alessandro Alessandretti † | Bishop of Macerata e Tolentino, Italy | Bishop Emeritus |
| 72.9 | Resigned | Manel María Trujillo Jurado, O.F.M. † | Bishop of Albarracin, Spain | Bishop Emeritus |
| 7 Dec | 54.1 | Ordained Bishop | Leonard Neale, S.J. † | Titular Bishop of Gortyna | Archbishop of Baltimore, Maryland, USA |
| 8 Dec | 71.9 | Died | Louis-Emmanuel de Cugnac † | Bishop of Lectoure, France |
| 61.7 | Died | Felipe Antonio Fernández Vallejo † | Archbishop of Santiago de Compostela, Spain |
| 15 Dec | 78.2 | Retired | Francisco Antonio de Lorenzana y Butrón † | Archbishop of Toledo, Spain | Cardinal, Archbishop Emeritus |
| 20 Dec | 50.6 | Selected | António José Cordeiro † | Bishop of Aveiro, Portugal |
| 22.7 | Ordained Priest | Francesco Xavier Gargiulo † | Priest | Titular Bishop of Thyatira |
| 26.4 | Ordained Priest | Francesco Leonini † | Priest | Bishop of Urbania-Sant’Angelo in Vado, Italy |
| 22.9 | Ordained Priest | Gennaro Pasca † | Priest | Bishop Emeritus of Nola, Italy |
| 50.8 | Selected | José Pegado de Azevedo, C.O. † | Bishop of Angra, Portugal |
| 22 Dec | 23.6 | Appointed | Luis María Borbón Vallabriga † | Archbishop of Toledo, Spain | Cardinal, Archbishop Emeritus |
| 61.0 | Appointed | Francesco Maria Cioja † | Bishop of Todi, Italy |
| 46.9 | Appointed | Mateo Delgado y Moreno † | Titular Archbishop of Sebastea | Bishop of Badajoz, Spain |
| 53.9 | Appointed | Michele Di Pietro † | Titular Patriarch of Jerusalem {Gerusalemme}, Palestine | Cardinal, Major Penitentiary of the Apostolic Penitentiary |
| 64.8 | Appointed | Benedetto Fenaja, C.M. † | Titular Archbishop of Philippi | Titular Patriarch of Constantinople |
| 68.4 | Confirmed | Nikolaus Kondé de Póka-Telek † | Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania |
| 52.5 | Confirmed | László Köszeghy von Romete † | Bishop of Csanád, Hungary |
| 41.9 | Appointed | Alois Jozef Krakowski von Kolowrat † | Auxiliary Bishop of Olomouc, Czech Republic | Archbishop of Praha {Prague}, Czech Republic |
| 41.9 | Appointed | Alois Jozef Krakowski von Kolowrat † | Titular Bishop of Sarepta | Archbishop of Praha {Prague}, Czech Republic |
| 45.4 | Appointed | Buenaventura Moyano Rodríguez † | Auxiliary Bishop of Toledo, Spain | Bishop of Palencia, Spain |
| 45.4 | Appointed | Buenaventura Moyano Rodríguez † | Titular Bishop of Sebastopolis in Thracia | Bishop of Palencia, Spain |
| 34.6 | Appointed | Francesco Luigi Piervisani † | Bishop of Nocera Umbra, Italy |
| 69.9 | Appointed | Silvestro Scarani † | Auxiliary Bishop of Ostia (-Velletri), Italy |
| 69.9 | Appointed | Silvestro Scarani † | Titular Bishop of Dulma | Auxiliary Bishop of Ostia (-Velletri), Italy |
| 62.5 | Confirmed | Jozef Ignác de Vilt (Wilt) † | Bishop of Beograd (-Smederevo), Serbia | Bishop of Győr (Raab), Hungary |
| 58.2 | Confirmed | Gabriel Zerdahely † | Bishop of Banská Bystrica, Slovakia |
| 25 Dec | 73.0 | Died | Giuseppe Maria Corte † | Bishop of Mondovi, Italy |
| Born | Manuel Bento Rodrigues da Silva † | Vila Nova de Gaia | Cardinal, Patriarch of Lisboa {Lisbon}, Portugal |
| 26 Dec | 45.5 | Selected | Buenaventura Moyano Rodríguez † | Bishop of Palencia, Spain |
| 27 Dec | 61.0 | Ordained Bishop | Francesco Maria Cioja † | Bishop of Todi, Italy |
| 64.9 | Ordained Bishop | Benedetto Fenaja, C.M. † | Titular Archbishop of Philippi | Titular Patriarch of Constantinople |
| 24.0 | Ordained Deacon | Benito Lascano y Castillo † | Deacon | Bishop of Córdoba (Tucumán), Argentina |
| 34.6 | Ordained Bishop | Francesco Luigi Piervisani † | Bishop of Nocera Umbra, Italy |
| 31 Dec | 62.7 | Died | Melchor Serrano Lázaro, Sch. P. † | Auxiliary Bishop of Valencia, Spain |