| Date | Age | Event | Bishop | Title | Current Title |
| 12 Jul | 80.0 | Died | Gioacchino Castello † | Bishop of Cefalù, Italy |
| 69.8 | Died | Daniel Johann Anton von Gebsattel † | Auxiliary Bishop of Würzburg, Germany |
| 14 Jul | 87.5 | Resigned | Jan Dembowski † | Auxiliary Bishop of Włocławek (Kujawy, Kalisze), Poland | Auxiliary Bishop Emeritus |
| 15 Jul | 44.4 | Confirmed | Karl Theodor von Dalberg † | Coadjutor Bishop of Konstanz {Constance}, Germany | Bishop of Worms, Germany |
| 60.1 | Died | Manuel Felipe Miralles † | Bishop of Cartagena (en España) |
| 20 Jul | 23.9 | Ordained Priest | Bernhard Galura † | Priest of Konstanz {Constance}, Germany | Bishop of Brixen {Bressanone}, Italy |
| Born | José Elías Puyana † | Bucaramanga | Bishop of Pasto, Colombia |
| 26.8 | Ordained Deacon | Matthias Paulus Steindl † | Deacon of Wien {Vienna}, Austria | Auxiliary Bishop |
| 23 Jul | 56.0 | Died | Dominicus Castells † | Auxiliary Bishop-Elect of Valencia, Spain |
| 27 Jul | 26.8 | Ordained Priest | Matthias Paulus Steindl † | Priest of Wien {Vienna}, Austria | Auxiliary Bishop |
| 30 Jul | 72.7 | Died | Kajetan Ignacy Sołtyk † | Bishop of Kraków, Poland |
| Aug | 57.2 | Ordained Bishop | Fernando Cardiñanos, O.F.M. † | Bishop of Comayagua, Honduras |
| 71.1 | Died | Diodato Maria Difnico, C.R.L. † | Bishop of Krk (Veglia), Croatia |
| 4 Aug | 74.5 | Died | Vigilius Augustin Maria von Firmian † | Bishop Emeritus of Lavant, Slovenia |
| 9 Aug | | Born | Emerico Farkas † | Zamoly | Bishop of Székesfehérvár (Albareale), Hungary |
| 12 Aug | | Born | Michael Johann Wagner † | Linz | Bishop of Sankt Pölten, Austria |
| 17 Aug | | Ordained Bishop | John Cruise † | Bishop of Ardagh (and Clonmacnois), Ireland |
| Born | Ferdinando Elano Kahn, O.P. † | Galizia Austriaca | Bishop of Tiraspol, Moldova |
| 24.7 | Ordained Deacon | József Vurum † | Deacon | Bishop of Nitra, Slovakia |
| 18 Aug | 24.7 | Ordained Priest | József Vurum † | Priest | Bishop of Nitra, Slovakia |
| 20 Aug | 40.0 | Installed | Ján Révay † | Bishop of Spiš, Slovakia |
| 25 Aug | 25.1 | Selected | Pierre-François-Martial de Loménie † | Coadjutor Archbishop of Sens, France |
| 28 Aug | 57.4 | Died | Jean-Gabriel d’Agay † | Bishop of Perpignan-Elne, France |
| 31 Aug | 44.6 | Ordained Bishop | Karl Theodor von Dalberg † | Titular Archbishop of Tarsus | Bishop of Worms, Germany |
| Born | Giuseppe Godeassi † | Medea | Archbishop of Zadar (Zara), Croatia |
| 6 Sep | 73.4 | Died | Giovanni Carlo Boschi † | Cardinal, Cardinal-Priest of San Lorenzo in Lucina |
| 48.2 | Installed | Pedro José Chávez de la Rosa † | Bishop of Arequipa, Peru | Bishop Emeritus |
| 12 Sep | 75.4 | Retired | Isidro Rodríguez Lorenzo, O.S.Bas. † | Archbishop of Santo Domingo, Dominican Republic | Archbishop Emeritus |
| 14 Sep | 37.7 | Selected | Antoine-Félix de Leyris d’Esponchez † | Bishop of Perpignan-Elne, France |
| 15 Sep | 41.7 | Appointed | Pietro Arborio di Gattinara † | Bishop of Asti, Italy |
| 50.2 | Appointed | Michele Antonio Aymerich † | Bishop of Ales e Terralba, Italy |
| 42.4 | Appointed | Louis-Mathias-Joseph de Barral † | Titular Bishop of Isauropolis | Archbishop Emeritus of Tours, France |
| 42.4 | Confirmed | Louis-Mathias-Joseph de Barral † | Coadjutor Bishop of Troyes, France | Archbishop Emeritus of Tours, France |
| 41.8 | Appointed | Giacomo Boschi † | Bishop of Bertinoro, Italy | Bishop of Carpi, Italy |
| 65.3 | Appointed | Antonio Caballero y Góngora † | Archbishop (Personal Title) of Córdoba, Spain | Bishop |
| 69.0 | Appointed | Antonino Cavaleri † | Bishop of Agrigento (Girgenti), Italy |
| 66.4 | Appointed | Francesco Carafa della Spina di Traetto † | Cardinal-Priest of San Lorenzo in Lucina | Cardinal, Prefect of the Congregation of Bishops and Regulars |
| 44.5 | Confirmed | François de Fontanges † | Archbishop of Toulouse, France | Bishop of Autun, France |
| Confirmed | Gregory Petros V Kupelian † | Patriarch of Cilicia (Armenian), Lebanon |
| 54.3 | Confirmed | Yves-Alexandre de Marbeuf † | Archbishop of Lyon, France |
| 40.7 | Appointed | Gabriel-Melchior de Messey † | Bishop of Valence, France |
| 61.4 | Appointed | Francisco Gabriel de Olivares y Benito † | Bishop of Chiapas (Ciudad Real de Chiapas), México | Bishop of Durango, México |
| 49.2 | Appointed | Carlo Giuseppe Pistone † | Bishop of Alessandria (della Paglia), Italy |
| 60.1 | Appointed | Fernando del Portillo y Torres, O.P. † | Archbishop of Santo Domingo, Dominican Republic | Archbishop of Santafé en Nueva Granada, Colombia |
| 47.8 | Confirmed | Jean-Auguste de Chastenet de Puységur † | Archbishop of Bourges, France | Archbishop Emeritus |
| 50.4 | Appointed | Melchor Serrano Lázaro, Sch. P. † | Auxiliary Bishop of Valencia, Spain |
| 50.4 | Appointed | Melchor Serrano Lázaro, Sch. P. † | Titular Bishop of Arca in Armenia | Auxiliary Bishop of Valencia, Spain |
| 40.7 | Appointed | Nicolao Lorenzo Timoni † | Bishop of Chios (Scio), Greece |
| 48.9 | Confirmed | Max Polykarp von Törring-Jettenbach † | Bishop of Freising, Germany | Bishop of Regensburg, Germany |
| 64.1 | Appointed | Adeodato Turchi, O.F.M. Cap. † | Bishop of Parma, Italy |
| 42.5 | Appointed | Angel Velarde y Bustamante † | Bishop of Popayán, Colombia |
| 20 Sep | 23.3 | Ordained Priest | Giovanni Antonio Benvenuti † | Priest | Cardinal, Bishop of Osimo e Cingoli, Italy |
| 23.2 | Ordained Priest | Giangrisostomo Dondini, C.R.L. † | Priest of Canons Regular of the Congregation of the Most Holy Saviour of the Lateran | Archbishop of Urbino, Italy |
| 24.1 | Ordained Priest | Francesco-Paolo Grifi † | Priest | Auxiliary Bishop of Acerenza e Matera, Italy |
| 21 Sep | 41.7 | Ordained Bishop | Pietro Arborio di Gattinara † | Bishop of Asti, Italy |
| 49.2 | Ordained Bishop | Carlo Giuseppe Pistone † | Bishop of Alessandria (della Paglia), Italy |
| 64.1 | Ordained Bishop | Adeodato Turchi, O.F.M. Cap. † | Bishop of Parma, Italy |
| 22 Sep | | Born | James Kyle † | Edinburgh | Vicar Apostolic of Northern District, Scotland, Great Britain |
| 23 Sep | | Appointed | Joachimus Tazbasian † | Archbishop of Mardin (Armenian), Iraq |
| 25 Sep | 77.1 | Died | Heinrich Bibra, O.S.B. † | Bishop of Fulda, Germany |
| 74.7 | Died | Joaquim Borges de Figueroa † | Archbishop Emeritus of São Salvador da Bahia, Brazil |
| 26 Sep | 47.9 | Appointed | Charles-François Bailly de Messein † | Coadjutor Bishop of Québec, Canada |
| 47.9 | Appointed | Charles-François Bailly de Messein † | Titular Bishop of Capsus | Coadjutor Bishop of Québec, Canada |
| 27 Sep | 66.1 | Died | Agostino Felice de’ Rossi † | Bishop of Terni, Italy |
| 28 Sep | 54.3 | Ordained Bishop | José Joaquín Granados y Gálvez, O.F.M. † | Bishop of Sonora, México | Bishop of Durango, México |
| 5 Oct | 42.5 | Ordained Bishop | Louis-Mathias-Joseph de Barral † | Titular Bishop of Isauropolis | Archbishop Emeritus of Tours, France |
| 40.8 | Ordained Bishop | Gabriel-Melchior de Messey † | Bishop of Valence, France |
| 6 Oct | 82.3 | Died | Carlo Camuzi † | Bishop Emeritus of Capodistria (Capo d’Istria)(Koper), Slovenia |
| 47.2 | Died | Marie-Anne-Hippolyte Hay de Bonteville † | Bishop of Grenoble, France |
| 12 Oct | | Born | Ferdinando Girardi, C.M. † | Lauria | Bishop of Sessa Aurunca, Italy |
| 37.8 | Ordained Bishop | François-Marie-Fortuné de Vintimille † | Bishop of Carcassonne, France | Bishop Emeritus |
| 15 Oct | 74.8 | Died | Giuseppe Capocchiani † | Bishop of Crotone (Cotrone), Italy |
| 22 Oct | | Born | Benedetto Colonna Barberini di Sciarra † | Rome, Italy | Cardinal, Archpriest of the Arcibasilica di San Giovanni in Laterano {Saint John Lateran Basilica} |
| 25 Oct | | Born | Jean-Marie Mioland † | Lyon | Archbishop of Toulouse (-Narbonne), France |
| 26 Oct | 74.8 | Died | Félicien Bocon de La Merlière † | Bishop Emeritus of Apt, France |
| 28 Oct | | Born | Giuseppe von Rudnyánszki † | Tirnaviae | Bishop Emeritus of Banská Bystrica, Slovakia |
| 1 Nov | | Born | Jean-Pierre-Marie Cadalen † | Alban | Bishop of Saint-Flour, France |
| 63.8 | Succeeded | Tadeusz Teodozy Rostocki, O.S.B.M. † | Archbishop of Kyiv-Halyč {Kiev} (Ruthenian), Ukraine |
| 2 Nov | 25.4 | Ordained Deacon | Augustin Johann Joseph Gruber † | Deacon of Wien {Vienna}, Austria | Archbishop of Salzburg, Austria |
| 34.8 | Selected | Charles-Maurice de Talleyrand-Périgord † | Bishop of Autun, France | Bishop Emeritus |
| 3 Nov | | Born | Petrus Leopold Kaiser † | Mühlheim | Bishop of Mainz, Germany |
| 7 Nov | 40.7 | Died | Jean-Joseph-Victor de Castellane-Adhémar † | Bishop of Senez, France |
| 9 Nov | 50.3 | Ordained Bishop | Michele Antonio Aymerich † | Bishop of Ales e Terralba, Italy |
| 25.4 | Ordained Priest | Augustin Johann Joseph Gruber † | Priest of Wien {Vienna}, Austria | Archbishop of Salzburg, Austria |
| 14 Nov | | Born | Giovanni Negri † | Fontanetto | Bishop of Tortona, Italy |
| 16 Nov | 23.2 | Ordained Priest | Joaquim de Meneses e Ataide, O.S.A. † | Priest of Order of St. Augustine | Bishop of Elvas, Portugal |
| 63.1 | Ordained Bishop | José Francisco Miguel António de Mendonça Valdereis † | Cardinal, Patriarch of Lisboa {Lisbon}, Portugal |
| 18 Nov | 51.7 | Selected | Adalbert (Wilhelm Adolph Heinrich) von Harstall, O.S.B. † | Bishop of Fulda, Germany |
| 20 Nov | 59.8 | Appointed | Feliks Paweł Turski † | Bishop of Kraków, Poland |
| 28 Nov | 55.1 | Succeeded | Adam Stanisław Naruszewicz, S.J. † | Bishop of Smoleńsk, Poland | Bishop of Lutsk (Łuck), Ukraine |
| 61.7 | Died | Gabriel Wodzyński † | Bishop of Smoleńsk, Poland |
| 29 Nov | 58.1 | Died | Vicente do Espirito Santo, O.A.D. † | Prelate of Goiás, Brazil |
| 69.3 | Died | Inácio de São Caetano, O.C.D. † | Bishop Emeritus of Penafiel, Portugal |
| 30 Nov | 50.6 | Ordained Bishop | Melchor Serrano Lázaro, Sch. P. † | Titular Bishop of Arca in Armenia | Auxiliary Bishop of Valencia, Spain |
| Dec | 49.1 | Died | Philippus Hyacinthus Oliveri de Vernier † | Archbishop of Sassari, Italy |
| 1 Dec | 82.7 | Died | Francesco Saverio Stabile † | Bishop of Venafro, Italy |
| 3 Dec | | Born | Camillo Monteforte † | Napoli | Auxiliary Bishop of Napoli {Naples}, Italy |
| 4 Dec | 81.4 | Died | Joaquín de Eleta, O.F.M. † | Bishop of Osma, Spain |
| 8 Dec | | Born | Josephus Melchiades Ferlisi † | Casteltermini | Titular Patriarch of Constantinople |
| 13 Dec | | Born | Philippe-Marie-Thérèse-Guy Carron † | Rennes | Bishop of Le Mans, France |
| 66.1 | Died | Giuseppe Maria Langosco-Stroppiana † | Bishop of Alba (Pompea), Italy |
| 15 Dec | 52.9 | Appointed | José Andrés de Achurra y Núñez del Arco † | Bishop of Trujillo, Peru |
| 42.9 | Appointed | Domingo Collantes, O.P. † | Bishop of Nueva Caceres, Philippines |
| 44.4 | Appointed | Giulio Maria della Somaglia † | Titular Patriarch of Antiochia {Antioch} | Cardinal, Archivist of the Vatican Secret Archives |
| 40.7 | Confirmed | Joseph Anton Gall † | Bishop of Linz, Austria |
| 59.7 | Appointed | Juan Antonio Gallego y Orbigo, O.F.M. † | Archbishop of Manila, Philippines |
| 57.6 | Appointed | Franz Philipp von Inzaghi † | Bishop of Gradisca (d’Isonzo), Italy | Bishop of Gorizia e Gradisca, Italy |
| 42.1 | Appointed | Joannes Bapt. Jesich † | Coadjutor Bishop of Senj (-Modruš), Croatia | Bishop |
| 42.1 | Appointed | Joannes Bapt. Jesich † | Titular Bishop of Oreus | Bishop of Senj (-Modruš), Croatia |
| 38.0 | Confirmed | Antoine-Félix de Leyris d’Esponchez † | Bishop of Perpignan-Elne, France |
| 25.4 | Appointed | Pierre-François-Martial de Loménie † | Titular Archbishop of Traianopolis in Rhodope | Coadjutor Archbishop of Sens, France |
| 25.4 | Confirmed | Pierre-François-Martial de Loménie † | Coadjutor Archbishop of Sens, France |
| 61.2 | Appointed | Etienne-Charles de Loménie de Brienne † | Cardinal-Priest | Cardinal, Archbishop of Sens, France |
| 61.2 | Elevated to Cardinal | Etienne-Charles de Loménie de Brienne † | Cardinal, Archbishop of Sens, France |
| 51.9 | Appointed | Baltazar Jaime Martínez de Compañón † | Archbishop of Santafé en Nueva Granada, Colombia |
| 41.9 | Confirmed | Jean-Baptiste Marie Scipion Ruffo (Roux) de Bonneval † | Bishop of Senez, France | Bishop Emeritus |
| 63.9 | Appointed | Blas Manuel Sobrino y Minayo † | Bishop of Santiago de Chile | Bishop of Trujillo, Peru |
| 34.9 | Confirmed | Charles-Maurice de Talleyrand-Périgord † | Bishop of Autun, France | Bishop Emeritus |
| 45.7 | Appointed | Johann Nepomuk von Wolf † | Auxiliary Bishop of Freising, Germany | Bishop of Regensburg, Germany |
| 45.7 | Appointed | Johann Nepomuk von Wolf † | Titular Bishop of Dorylaëum | Bishop of Regensburg, Germany |
| 17 Dec | 40.0 | Appointed | Henri de Chambre d’Urgons † | Titular Bishop of Oropus | Auxiliary Bishop of Metz, France |
| 18 Dec | 24.2 | Ordained Deacon | Wenceslas Urban von Stuffler † | Deacon of Brno, Czech Republic | Bishop |
| 20 Dec | 24.2 | Ordained Priest | Francesco Canali † | Priest | Cardinal, Bishop Emeritus of Tivoli, Italy |
| 24.1 | Ordained Priest | Domenico Novi Ciavarria † | Priest | Bishop of Avellino, Italy |
| 26.4 | Ordained Priest | Sebastiano Maggi † | Priest | Bishop of Arezzo, Italy |
| 23.5 | Ordained Priest | Francesco Maria Zoppi † | Priest | Bishop Emeritus of Massa Carrara, Italy |
| 21 Dec | 44.4 | Ordained Bishop | Giulio Maria della Somaglia † | Titular Patriarch of Antiochia {Antioch} | Cardinal, Archivist of the Vatican Secret Archives |
| 23.2 | Ordained Deacon | Franciszek Borgiasz Mackiewicz † | Deacon | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| 23 Dec | | Born | Roberto Giovanni F. Roberti † | San Giusto, Italy | Cardinal, Priest of the Roman Curia - Other |
| 26 Dec | 68.6 | Died | Martino Bianchi † | Archbishop of Lucca, Italy |