| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 47.1 | Appointed | Andreas Aerts † | Vicar Apostolic of ’s-Hertogenbosch (Bois-le-Duc), Netherlands |
| 58.0 | Appointed | Julien-François Becquet, C.S.Sp. † | Superior General of Congregation of the Holy Spirit | Prefect Emeritus of Iles Saint-Pierre et Miquelon |
| 35.3 | Final Vows | John Butler, S.J. † | Priest of Society of Jesus |
| 38.3 | Appointed | Marcantonio Colonna (Jr.) † | Prefect of the Congregation for Residence of Bishops | Cardinal, Cardinal-Bishop of Palestrina |
| Appointed | Maximos Fakhouri † | Bishop of Akka (Melkite Greek), Israel |
| Died | Eusebio Franzosini, O.P. † | Vicar Apostolic of Smirne, Turkey |
| 54.6 | Appointed | Innocenzo Gorgoni, O.S.B. † | President of the Pontifical Ecclesiastical Academy | President Emeritus |
| Appointed | Basile Jelghaf † | Archbishop of Beirut {Bairut} (Melkite Greek), Lebanon |
| Appointed | Jérémie Arsène Karamé † | Bishop of Damas (Melkite Greek), Syria |
| 59.0 | Appointed | Iraklij (Herakliusz) Lisanski (Lisanskyj), O.S.B.M. † | Bishop of Smoleńsk (Ukrainian), Russian Federation |
| Appointed | Cyril VII (François) Siaj (Siage) † | Bishop of Bosra (Melkite Greek), Syria | Patriarch of Antiochia {Antioch} (Melkite Greek), Syria |
| Jan | 38.3 | Appointed | Marcantonio Colonna (Jr.) † | Archpriest of the Basilica di Santa Maria Maggiore {Saint Mary Major Basilica} | Cardinal, Cardinal-Bishop of Palestrina |
| 1 Jan | 38.7 | Selected | Charles de La Cropte de Chanterac † | Bishop of Alet, France |
| 38.7 | Selected | Marc-Antoine de Noé † | Bishop of Lescar, France | Bishop of Troyes, France |
| 3 Jan | | Born | Joseph Fesch † | | Cardinal, Archbishop of Lyon (-Vienne), France |
| 9 Jan | 23.0 | Ordained Priest | Luigi Maria Pirelli, C.R. † | Priest of Congregation of Clerics Regular | Archbishop of Trani e Bisceglie, Italy |
| 11 Jan | | Born | Matthaeus Crasnich † | | Archbishop of Skopje, North Macedonia |
| 14 Jan | 45.3 | Died | Giuseppe Stanislao Concas † | Bishop of Bosa, Italy |
| 15 Jan | 26.1 | Ordained Priest | Gabriel Konaider † | Priest | Bishop of Alep [Beroea, Halab] (Maronite), Syria |
| 17 Jan | 66.0 | Died | Richard Walsh † | Bishop of Cork, Ireland |
| 18 Jan | 54.6 | Died | Girolamo Colonna di Sciarra † | Cardinal, Cardinal-Deacon of Sant’Agata de’ Goti |
| 19 Jan | | Died | Antoine-Jérôme Boyvin de Vaurouy † | Former Bishop-Elect of Perpignan-Elne, France |
| 76.6 | Died | Antoni Józef Żółkowski † | Auxiliary Bishop of Vilnius, Lithuania |
| 22 Jan | 62.0 | Appointed | Raphael Tuki † | Titular Bishop of Arsinoë in Cypro |
| 23 Jan | 50.2 | Ordained Bishop | Ján Gustíni-Zubrohlavský (Gusztinyi) † | Titular Bishop of Sergiopolis | Bishop of Nitra, Slovakia |
| 24 Jan | 62.8 | Appointed | Filippo Acciaioli † | Archbishop (Personal Title) of Ancona e Numana, Italy | Cardinal, Bishop |
| 56.0 | Appointed | Prospero Colonna di Sciarra † | Cardinal, Cardinal-Deacon of Sant’Agata de’ Goti |
| 58.2 | Appointed | Antonio De Cumis † | Bishop of Catanzaro, Italy |
| 52.4 | Appointed | Antonino Ganini † | Archbishop of Santa Severina, Italy |
| 39.0 | Confirmed | Anne-François-Victor Le Tonnelier de Breteuil † | Bishop of Montauban, France |
| 29.2 | Appointed | Józef Michał Ignacy Franciszek Olędzki, Sch. P. † | Auxiliary Bishop of Kyiv and Chernihiv (Kijów and Czernihow), Ukraine | Auxiliary Bishop Emeritus |
| 29.2 | Appointed | Józef Michał Ignacy Franciszek Olędzki, Sch. P. † | Titular Bishop of Cambysopolis | Auxiliary Bishop Emeritus of Kyiv and Chernihiv (Kijów and Czernihow), Ukraine |
| 43.6 | Appointed | Domenico Orsini d’Aragona † | Cardinal-Deacon of Santa Maria ad Martyres | Cardinal, Cardinal-Deacon of Santa Maria in Via Lata |
| 43.5 | Appointed | Giovanni Battista Pignatelli † | Archbishop (Personal Title) of Anglona-Tursi, Italy | Bishop Emeritus |
| 38.7 | Appointed | Carlo Rezzonico (Jr.) † | Cardinal-Priest of San Clemente | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 38.7 | Appointed | Carlo Rezzonico (Jr.) † | Chamberlain (Camerlengo) of the Apostolic Chamber | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 65.9 | Confirmed | Charles-Antoine de la Roche-Aymon † | Cardinal, Archbishop of Reims, France |
| 37.8 | Appointed | Henry Benedict Mary Clement Stuart of York † | Cardinal-Priest of San Lorenzo in Damaso | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 25 Jan | 55.9 | Selected | Wilhelm Anton von der Asseburg zu Hinnenburg † | Bishop of Paderborn, Germany |
| 40.0 | Appointed | François Maria Magni (Magi), O.F.M. Ref. † | Coadjutor Bishop of Hukwang, Shansi [Shanxi], and Shensi [Shaanxi], China | Vicar Apostolic Emeritus |
| 40.0 | Appointed | François Maria Magni (Magi), O.F.M. Ref. † | Titular Bishop of Miletopolis | Vicar Apostolic Emeritus of Hukwang, Shansi [Shanxi], and Shensi [Shaanxi], China |
| 27 Jan | 59.3 | Died | Johann Theodor von Bayern † | Cardinal, Bishop of Regensburg, Germany |
| 28 Jan | | Born | Joseph Walland † | | Archbishop of Gorizia e Gradisca, Italy |
| 29 Jan | 66.9 | Died | Juan José de Eguiara y Eguren † | Former Bishop-Elect of Yucatán (Mérida), México |
| 66.1 | Resigned | Jerzy Mikołaj Hylzen † | Bishop of Smoleńsk, Poland | Bishop Emeritus |
| 35.8 | Succeeded | Gabriel Wodzyński † | Bishop of Smoleńsk, Poland |
| 30 Jan | 58.2 | Ordained Bishop | Antonio De Cumis † | Bishop of Catanzaro, Italy |
| 43.8 | Selected | Alexandre-César d’Anterroches † | Bishop of Condom, France |
| 52.4 | Ordained Bishop | Antonino Ganini † | Archbishop of Santa Severina, Italy |
| 35.3 | Selected | Etienne-Charles de Loménie de Brienne † | Archbishop of Toulouse, France | Cardinal, Archbishop of Sens, France |
| 31 Jan | 29.0 | Selected | Joseph Franz Anton von Auersperg † | Bishop of Lavant, Slovenia | Cardinal, Bishop of Passau, Germany |
| 79.2 | Died | Felipe Manrique de Lara † | Bishop of Ayacucho o Huamanga (Guamanga), Peru |
| 1 Feb | | Born | Jaime Fort y Puig † | | Bishop of Barbastro, Spain |
| 2 Feb | 56.1 | Ordained Bishop | Ignacy Augustyn Kozierowski, C.R.L.A. † | Titular Bishop of Adraa | Auxiliary Bishop of Gniezno, Poland |
| Born | Bernardo Martínez Carnero † | | Bishop of Islas Canarias {Canary Islands}, Spain |
| 4 Feb | | Born | Pietro Antonio Cirio † | | Bishop of Susa, Italy |
| 6 Feb | | Born | Gaetano Maria de Franci, C.R.M. † | | Archbishop of Trani e Nazareth e Bisceglie, Italy |
| 7 Feb | 35.8 | Selected | Friedrich Wilhelm von Westphalen † | Bishop of Hildesheim, Germany |
| 10 Feb | | Born | Cherubino Gioacchino Scali, O.F.M. Obs. † | | Titular Bishop of Dionysias |
| 11 Feb | | Born | José de Jesus Maria Pinto, C.R.S.A. † | | Bishop of Lamego, Portugal |
| 24 Feb | 22.9 | Ordained Priest | Giovanni Thomas Vincenzo Tiberio d’Anisi, O.A.D. † | Priest of Agostiniani Scalzi | Bishop of Gallipoli, Italy |
| 39.0 | Ordained Bishop | Anne-François-Victor Le Tonnelier de Breteuil † | Bishop of Montauban, France |
| 25 Feb | 41.4 | Resigned | Arthur-Richard Dillon † | Archbishop of Toulouse, France | Archbishop of Narbonne, France |
| 26 Feb | 68.0 | Died | Carlo Francesco Casanova † | Archbishop of Sassari, Italy |
| 24.1 | Ordained Priest | Francisco Gomes de Avelar, C.O. † | Priest of Confederation of Oratorians of St. Philip Neri | Bishop of Faro {Algarve}, Portugal |
| Born | Pietro Angelo Luigi Pacifico Grati, O.S.M. † | | Titular Bishop of Callinicum |
| 27 Feb | 29.3 | Ordained Bishop | Józef Michał Ignacy Franciszek Olędzki, Sch. P. † | Titular Bishop of Cambysopolis | Auxiliary Bishop Emeritus of Kyiv and Chernihiv (Kijów and Czernihow), Ukraine |
| Born | Francisco José Rodrigues de Andrade † | | Bishop of Funchal, Portugal |
| 2 Mar | 53.1 | Died | Baldassare Cenci (Jr.) † | Cardinal, Cardinal-Priest of Santa Maria in Ara Coeli |
| 67.6 | Died | Romualdu Massei † | Bishop of Nebbio, France |
| 3 Mar | | Born | Joseph-Octave Plessis † | | Archbishop of Québec, Canada |
| 6 Mar | 39.1 | Selected | Joseph-François d’Andigné de la Chasse † | Bishop of Saint-Pol-de-Léon, France | Bishop Emeritus of Chalons-sur-Saône, France |
| Born | Pietro Gravina Luzzena † | | Auxiliary Bishop of Catania, Italy |
| 9 Mar | 65.5 | Selected | Giovanni Antonio Borro † | Bishop of Bosa, Italy |
| 10 Mar | | Born | Luc-Jean-Baptiste Bailly † | | Bishop of Poitiers, France |
| 15 Mar | | Born | Antonio Maria Odescalchi † | | Bishop of Jesi, Italy |
| 18 Mar | | Born | James Yorke Bramston † | | Vicar Apostolic of London District, England, Great Britain |
| 77.5 | Died | Guido Orselli † | Bishop of Cesena, Italy |
| 19 Mar | 23.2 | Ordained Priest | Boetius Egan † | Priest | Archbishop of Tuam, Ireland |
| 63.2 | Ordained Deacon | Tommaso Galli † | Deacon | Bishop of Tivoli, Italy |
| 22.0 | Ordained Deacon | Johann Valentin Heimes † | Deacon of Mainz, Germany | Auxiliary Bishop of Worms, Germany |
| 22.1 | Ordained Deacon | Johann Baptist Lachenbauer, O.Cr. † | Deacon of Knights of the Cross with the Red Star | Bishop of Brno, Czechia |
| 23.6 | Ordained Priest | Anton Ferdinand von Rothkirch und Panthen † | Priest of Wrocław (Breslau), Poland | Auxiliary Bishop |
| 24.0 | Ordained Priest | Domenico Spinucci † | Priest | Cardinal, Archbishop of Benevento, Italy |
| 21 Mar | 74.0 | Appointed | Pietro Paolo de Conti † | Cardinal, Cardinal-Priest of Santo Stefano al Monte Celio |
| 41.5 | Confirmed | Arthur-Richard Dillon † | Archbishop of Narbonne, France |
| 58.6 | Appointed | Francisco Fernández Játiva † | Bishop of Urgell, Spain |
| 37.7 | Appointed | Diego Genovesi † | Bishop of Squillace, Italy |
| 50.5 | Appointed | Carlo Vittorio Amedeo delle Lanze † | Cardinal-Priest of Santa Prassede | Cardinal, Prefect of the Congregation of the Council |
| 35.4 | Confirmed | Etienne-Charles de Loménie de Brienne † | Archbishop of Toulouse, France | Cardinal, Archbishop of Sens, France |
| 69.4 | Confirmed | Simon Nikolaus Eusebius von Montjoye-Hirsingen (von Froberg) † | Bishop of Basel, Switzerland |
| 83.3 | Appointed | Giacomo Oddi † | Cardinal-Priest of San Lorenzo in Lucina | Cardinal, Bishop of Viterbo e Tuscania, Italy |
| 81.9 | Died | Stanislao Poliastri † | Archbishop Emeritus of Rossano, Italy | Archbishop |
| 67.3 | Appointed | Fabrizio Serbelloni † | Cardinal-Priest of Santa Maria in Trastevere | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| Born | Thomas Smith † | | Vicar Apostolic of Northern District, England, Great Britain |
| 41.2 | Appointed | José Tormo Juliá † | Auxiliary Bishop of Valencia, Spain | Bishop of Orihuela, Spain |
| 41.2 | Appointed | José Tormo Juliá † | Titular Bishop of Tricomia | Bishop of Orihuela, Spain |
| 25 Mar | 63.3 | Ordained Priest | Tommaso Galli † | Priest | Bishop of Tivoli, Italy |
| 27 Mar | 37.7 | Ordained Bishop | Diego Genovesi † | Bishop of Squillace, Italy |
| 35.9 | Ordained Priest | Friedrich Wilhelm von Westphalen † | Priest | Bishop of Hildesheim, Germany |
| 28 Mar | | Born | Emanuel Maria Thun † | | Bishop of Trento, Italy |
| 31 Mar | 47.6 | Died | Giovanni Carlo Molinari † | Apostolic Nuncio to Belgium |
| 1 Apr | | Born | Jean-Baptiste-Marie Caffarelli † | | Bishop of Saint-Brieuc, France |
| Born | Vicente da Soledade e Castro, O.S.B. † | | Archbishop of São Salvador da Bahia, Brazil |
| 3 Apr | | Born | Giuseppe Prin † | | Bishop of Susa, Italy |
| 4 Apr | 59.5 | Died | Nicolás Gil Martínez y Malo † | Bishop of Santa Marta, Colombia |
| 5 Apr | 29.2 | Died | Benigno Avenati, B. † | Priest of Clerics Regular of St. Paul |
| 11 Apr | 56.1 | Ordained Priest | Wilhelm Anton von der Asseburg zu Hinnenburg † | Priest | Bishop of Paderborn, Germany |
| 32.2 | Selected | John Butler † | Bishop of Cork, Ireland | Bishop Emeritus |
| 12 Apr | | Born | Benito María de Moxó y Francolí, O.S.B. † | | Archbishop of La Plata o Charcas, Bolivia |
| 69.1 | Died | Giuseppe Spinelli † | Cardinal-Bishop of Ostia (e Velletri) | Cardinal, Cardinal-Bishop of Ostia |
| 14 Apr | 64.0 | Died | Francesco Paolo Carelli † | Bishop of Montepeloso, Italy |
| 15 Apr | | Born | Manuel Fraile García † | | Bishop of Sigüenza, Spain |
| Born | Joseph (Josip) Salecz (Žalec) † | | Auxiliary Bishop of Zagreb (Agram), Croatia |
| 16 Apr | 32.2 | Confirmed | John Butler † | Bishop of Cork, Ireland | Bishop Emeritus |
| 17 Apr | 25.0 | Ordained Priest | Józef Kazimierz Kossakowski † | Priest | Bishop of Inflanty (Livonia)-Pilten, Poland |
| 45.0 | Ordained Bishop | Ivan Krstitelj Paxy † | Bishop of Sirmio (Srijem; Sirmium), Croatia | Bishop of Zagreb (Agram), Croatia |
| 18 Apr | 23.5 | Selected | Klemens Wenzeslaus von Sachsen † | Bishop of Freising, Germany | Bishop of Augsburg, Germany |
| 20 Apr | 46.8 | Selected | Charles Nicolas Alexandre d’Oultremont † | Bishop of Liège, Belgium |
| 26 Apr | 57.5 | Appointed | Giuseppe Maria Castelli † | Cardinal, Prefect of the Congregation for Propagation of the Faith |
| 27 Apr | 23.5 | Selected | Klemens Wenzeslaus von Sachsen † | Bishop of Regensburg, Germany | Bishop of Augsburg, Germany |