| Date | Age | Event | Bishop | Title | Current Title | 
|---|
| unknown |  | Born | Thomas Coen † |  | Bishop of Clonfert, Ireland | 
|  | Born | Francesco Saverio Dracopoli † |  | Bishop of Chios (Scio), Greece | 
| 54.0 | Resigned | Jacques Girard, C.S.Sp. † | Prefect of Iles Saint-Pierre et Miquelon | Prefect Emeritus | 
| 20.0 | Professed | Luigi Grondona, B. † | Member of Clerics Regular of St. Paul | Coadjutor Vicar Apostolic of Ava e Pegù, Myanmar | 
| 75.8 | Died | Marcello Papiniano-Cusani † | Archbishop Emeritus of Palermo, Italy | 
|  | Appointed | Gilles-François Pinabel, C.S.Sp. † | Prefect of Iles Saint-Pierre et Miquelon | Prefect Emeritus | 
| 23.7 | Ordained Priest | William Gregory Sharrock, O.S.B. † | Priest of Order of Saint Benedict | Vicar Apostolic of Western District, England, Great Britain | 
| Jan | 52.0 | Ordained Bishop | Miguel Moreno y Ollo † | Bishop of Panamá | Bishop of Ayacucho o Huamanga (Guamanga), Peru | 
| 9 Jan | 71.8 | Died | Valentín Moran Menéndez, O. de M. † | Bishop Emeritus of Islas Canarias {Canary Islands}, Spain | 
| 10 Jan |  | Born | Louis-Guillaume-Valentin Dubourg, P.S.S. † |  | Archbishop of Besançon, France | 
| 14 Jan | 41.0 | Confirmed | Philip MacDevitt † | Bishop of Derry, Ireland | 
| 15 Jan | 59.4 | Died | Giovanni Francesco Mora, C.O. † | Bishop of Adria, Italy | 
| 17 Jan | 66.6 | Died | Asensio Sales † | Bishop of Barcelona, Spain | 
|  | Born | Juan Baltasar Toledano † |  | Bishop of Valladolid, Spain | 
| 18 Jan | 61.8 | Died | Giuseppe Lancellotti, O.F.M. Conv. † | Bishop of Isola, Italy | 
| 19 Jan |  | Born | Johann Martin Manl † |  | Bishop of Eichstätt, Germany | 
| 20.3 | Ordained Priest | Luis Rodrigues Vilares † | Priest | Bishop of Funchal, Portugal | 
| 20 Jan | 55.0 | Died | Francisco San Andrés, O.S.H. † | Auxiliary Bishop of Salamanca, Spain | 
| 21 Jan | 50.9 | Appointed | Jean-Olivier Briand † | Bishop of Québec, Canada | Bishop Emeritus | 
| 22 Jan | 41.0 | Died | Pierre-Jean Kerhervé, M.E.P. † | Priest of La Société des Missions Etrangères | 
| 23 Jan | 69.4 | Died | Jean-François de La Cropte de Bourzac † | Bishop of Noyon, France | 
| 24 Jan | 82.8 | Died | Louis-François-Renaud de Villeneuve † | Bishop of Montpellier, France | 
| 25 Jan |  | Born | Pablo Colmenares, O.S.B. † |  | Bishop of Lérida, Spain | 
| 26 Jan |  | Born | Francisco de São Luiz (Manoel Justiniano) Saraiva, O.S.B. † |  | Cardinal, Patriarch of Lisboa {Lisbon}, Portugal | 
| 63.0 | Died | Hervé-Nicolas Thépault de Brignou † | Bishop of Saint-Brieuc, France | 
| 27 Jan | 33.0 | Appointed | Alexander Bianchi † | Bishop of Pult (Pulati), Albania | 
| 60.4 | Appointed | Ludovico Terin Bonesio, O.F.M. Cap. † | Bishop of Bobbio, Italy | 
| 54.2 | Appointed | Domenico de Dominicis † | Bishop of Ortona a Mare e Campli, Italy | 
| 57.9 | Confirmed | Giovanni Girolamo Gradenigo, C.R. † | Archbishop of Udine, Italy | 
| 60.9 | Appointed | Domenico Giovanni Prosperi † | Bishop of San Severino (Marche), Italy | 
| 2 Feb | 60.4 | Ordained Bishop | Ludovico Terin Bonesio, O.F.M. Cap. † | Bishop of Bobbio, Italy | 
| 57.9 | Ordained Bishop | Giovanni Girolamo Gradenigo, C.R. † | Archbishop of Udine, Italy | 
| 5 Feb | 85.2 | Died | Antonio Guglielmi † | Archbishop of Urbino, Italy | 
| 8 Feb |  | Born | Jean-Paul-Gaston de Pins † |  | Apostolic Administrator Emeritus of Lyon (-Vienne), France | 
| 9 Feb | 54.2 | Ordained Bishop | Domenico de Dominicis † | Bishop of Ortona a Mare e Campli, Italy | 
| 60.9 | Ordained Bishop | Domenico Giovanni Prosperi † | Bishop of San Severino (Marche), Italy | 
| 10 Feb |  | Born | Carlo Pio Ravasi, O.S.B. † |  | Bishop of Adria, Italy | 
| 16 Feb | 34.0 | Selected | Louis-François-Marc-Hilaire de Conzié † | Bishop of Saint-Omer, France | Bishop of Arras, France | 
| 22 Feb | 26.7 | Ordained Priest | Edmund Maria Josef Artz von und zu Vasegg † | Priest of Trento, Italy | Auxiliary Bishop of Wien {Vienna}, Austria | 
| 24.1 | Ordained Priest | Filippo Angelico (Antonius Maria Alexander) Becchetti, O.P. † | Priest of Order of Friars Preachers | Bishop Emeritus of Città della Pieve, Italy | 
| 23.7 | Ordained Deacon | José (Joseph) Cariati (Kariattil) † | Deacon of Cranganore (Angamala), India | Archbishop | 
| 23.0 | Ordained Priest | Paolo Giuseppe Solaro di Villanova † | Priest | Cardinal, Bishop Emeritus of Aosta, Italy | 
| 23 Feb | 35.1 | Ordained Bishop | Ignace Michel III Djarwé (Jarweh) † | Bishop | Patriarch of Antiochia {Antioch} (Syrian), Lebanon | 
| 26 Feb | 38.6 | Appointed | Thomas Joseph Talbot † | Coadjutor Vicar Apostolic of Midland District, England, Great Britain | Vicar Apostolic | 
| 38.6 | Appointed | Thomas Joseph Talbot † | Titular Bishop of Akka | Vicar Apostolic of Midland District, England, Great Britain | 
| Mar |  | Born | Alexander Paterson † |  | Vicar Apostolic of Eastern District, Scotland, Great Britain | 
| 38.6 | Ordained Bishop | Thomas Joseph Talbot † | Titular Bishop of Akka | Vicar Apostolic of Midland District, England, Great Britain | 
| 2 Mar | 26.1 | Ordained Deacon | Walenty Wołczacki, O.P. † | Deacon of Order of Friars Preachers | Titular Bishop of Tamasus | 
| 12 Mar |  | Born | Francisco Javier de Cienfuegos y Jovellanos † |  | Cardinal, Archbishop of Sevilla {Seville}, Spain | 
| 15 Mar | 47.4 | Ordained Deacon | João António Barbosa Soares † | Deacon | Bishop of Viseu, Portugal | 
| 23.8 | Ordained Priest | José (Joseph) Cariati (Kariattil) † | Priest of Cranganore (Angamala), India | Archbishop | 
| 28.3 | Ordained Deacon | Iwo Onufry Rogowski † | Deacon of Poznań, Poland | Auxiliary Bishop of Chelmno (Culma, Kulm), Poland | 
| 39.0 | Ordained Priest | Friedrich Ludwig Franz von Wangen zu Geroldseck † | Priest of Basel, Switzerland | Bishop | 
| 22.9 | Ordained Priest | Johann Nepomuk von Wolf † | Priest of Regensburg, Germany | Bishop | 
| 16 Mar | 51.1 | Ordained Bishop | Jean-Olivier Briand † | Bishop of Québec, Canada | Bishop Emeritus | 
| 18 Mar | 77.6 | Died | Diego Rivera Higuera, O. de M. † | Bishop of Barbastro, Spain | 
| 23 Mar |  | Born | Alexander Dobrzański † |  | Auxiliary Bishop of Sandomierz, Poland | 
| 27 Mar | 72.4 | Died | Arcangelo Lupi, O.P. † | Archbishop of Dubrovnik (Ragusa), Croatia | 
| 30 Mar | 31.3 | Selected | Charles de Broglie † | Bishop of Noyon, France | 
| 4 Apr | 45.1 | Appointed | Jan Maurycy von Strachwitz † | Apostolic Administrator of Wrocław (Breslau), Poland | 
|  | Born | Pierre Trenchant, M.E.P. † |  | Coadjutor Vicar Apostolic of Se-Ciuen (Setchoan, Szechwan, Sichuan), China | 
| 6 Apr | 25.2 | Ordained Priest | Gennaro Carelli † | Priest | Bishop of Conversano, Italy | 
| 13 Apr | 57.6 | Died | Esteban Villanova Colomer † | Bishop of Tarazona, Spain | 
| 14 Apr | 56.0 | Appointed | Tommaso Battiloro † | Bishop of San Severo, Italy | Bishop Emeritus | 
| 35.8 | Appointed | François Maria Collet, S.J. † | Titular Bishop of Adrasus | 
| 40.0 | Appointed | Ferdinando de Vicariis, O.S.B. † | Bishop of Melfi e Rapolla, Italy | 
| 34.2 | Confirmed | Louis-François-Marc-Hilaire de Conzié † | Bishop of Saint-Omer, France | Bishop of Arras, France | 
| 43.5 | Appointed | Francisco Antonio de Lorenzana y Butrón † | Archbishop of México, Federal District | Cardinal, Archbishop Emeritus of Toledo, Spain | 
| 34.9 | Appointed | Johann Anton Miocevich † | Bishop of Trogir (Traù), Croatia | 
| 52.9 | Appointed | Domenico Monti † | Archbishop of Urbino, Italy | 
| 67.9 | Died | Domenico Pasqualigo † | Bishop of Scardona (Skradin), Croatia | 
| 37.5 | Appointed | Basilio Tomás Sancho y Hernando (de Santas Justa y Rufina), Sch. P. † | Archbishop of Manila, Philippines | 
| 46.6 | Appointed | Andrea Spana † | Bishop of Segni, Italy | 
| 39.8 | Appointed | Giovanni Battista Filipponi Tenderini † | Bishop of Anagni, Italy | Bishop Emeritus | 
| 51.5 | Appointed | Cyprian Kazimierz von Wolicki † | Auxiliary Bishop of Włocławek (Kujawy, Kalisze), Poland | 
| 51.5 | Appointed | Cyprian Kazimierz von Wolicki † | Titular Bishop of Sinope | Auxiliary Bishop of Włocławek (Kujawy, Kalisze), Poland | 
| 19 Apr | 77.2 | Died | Nicola Paolo Pandolfelli † | Bishop of Mottola (Motula), Italy | 
| 20 Apr | 56.0 | Ordained Bishop | Tommaso Battiloro † | Bishop of San Severo, Italy | Bishop Emeritus | 
| 35.8 | Ordained Bishop | François Maria Collet, S.J. † | Titular Bishop of Adrasus | 
| 45.4 | Ordained Bishop | José Luis de Lila y Moreno, O.S.A. † | Bishop of Ayacucho o Huamanga (Guamanga), Peru | 
| 40.1 | Ordained Bishop | Ferdinando de Vicariis, O.S.B. † | Bishop of Melfi e Rapolla, Italy | 
| 44.1 | Ordained Bishop | José Molina Lario y Navarro † | Bishop of Albarracin, Spain | Bishop of Málaga, Spain | 
| 34.9 | Ordained Bishop | Johann Anton Miocevich † | Bishop of Trogir (Traù), Croatia | 
| 46.6 | Ordained Bishop | Andrea Spana † | Bishop of Segni, Italy | 
| 22 Apr |  | Born | Antoine Martinet † |  | Archbishop of Chambéry, France | 
| 27 Apr |  | Born | Vincenzo-Maria Armentano, O.P. † |  | Bishop of Mileto, Italy | 
| 1 May | 42.3 | Died | Franciszek Kobielski † | Auxiliary Bishop of Lutsk (Łuck), Ukraine | 
| 4 May |  | Born | Pietro Giovanni Zanardi † |  | Bishop of Guastalla, Italy | 
| 10 May | 60.7 | Selected | Bartholomaeus Amoroso † | Bishop of Crotone (Cotrone), Italy | 
| 11 May | 34.3 | Ordained Bishop | Louis-François-Marc-Hilaire de Conzié † | Bishop of Saint-Omer, France | Bishop of Arras, France | 
| 65.3 | Died | Romualdo Velarde y Cienfuegos † | Bishop of Ávila, Spain | 
| 16 May | 64.8 | Died | Francesco Antonio Salomone † | Bishop of Carinola (Calina), Italy | 
| 19 May |  | Died | Tobie El-Khazen † | Patriarch of Antiochia {Antioch} (Maronite), Lebanon | 
| 39.9 | Ordained Bishop | Giovanni Battista Filipponi Tenderini † | Bishop of Anagni, Italy | Bishop Emeritus | 
| 24 May | 47.6 | Ordained Priest | João António Barbosa Soares † | Priest | Bishop of Viseu, Portugal | 
| 23.3 | Ordained Priest | Angiolo (Angelo) Cesarini † | Priest | Titular Bishop of Milevum | 
| 22.2 | Ordained Deacon | Karl Josef Jerome von Kolborn † | Deacon of Mainz, Germany | Auxiliary Bishop of Regensburg, Germany | 
| 25.7 | Ordained Priest | Joaquim de Santa Clara Brandão (Lopes), O.S.B. † | Priest of Order of Saint Benedict | Archbishop of Évora, Portugal | 
| 25 May | 40.7 | Selected | Raymond de Durfort † | Bishop of Montpellier, France | Archbishop of Besançon, France | 
| 25.9 | Ordained Priest | Jean-François Périer † | Priest | Bishop Emeritus of Avignon, France | 
|  | Born | Francesco Luigi Piervisani † |  | Bishop of Nocera Umbra, Italy | 
| 2 Jun | 60.7 | Confirmed | Bartholomaeus Amoroso † | Bishop of Crotone (Cotrone), Italy | 
| 31.5 | Confirmed | Charles de Broglie † | Bishop of Noyon, France | 
| 53.9 | Appointed | Pedro Cortez y Larraz † | Archbishop of Guatemala | Bishop Emeritus of Tortosa, Spain | 
| 51.3 | Appointed | Giambattista Donati † | Bishop of Cervia, Italy | 
| 63.9 | Died | Franciszek Kazimierz Dowgiałło Zawisza † | Auxiliary Bishop of Inflanty (Livonia)-Pilten, Poland | 
| 41.3 | Appointed | Stefano (Ildefonso) Ortiz Cortes, O.S.B. † | Bishop of Mottola (Motula), Italy | 
| 49.0 | Appointed | Alessandro Pisani † | Bishop of Piacenza, Italy | 
| 38.4 | Appointed | Arnaldo Speroni, O.S.B. † | Bishop of Adria, Italy | 
| 4 Jun | 75.7 | Died | António de Sousa Tavora, O.E.S.A. † | Bishop of Porto, Portugal | 
| 8 Jun | 60.7 | Ordained Bishop | Bartholomaeus Amoroso † | Bishop of Crotone (Cotrone), Italy | 
| 51.3 | Ordained Bishop | Giambattista Donati † | Bishop of Cervia, Italy | 
| 41.3 | Ordained Bishop | Stefano (Ildefonso) Ortiz Cortes, O.S.B. † | Bishop of Mottola (Motula), Italy | 
| 49.0 | Ordained Bishop | Alessandro Pisani † | Bishop of Piacenza, Italy | 
| 38.4 | Ordained Bishop | Arnaldo Speroni, O.S.B. † | Bishop of Adria, Italy | 
| 9 Jun | 37.4 | Selected | Joseph VI Estephan † | Patriarch of Antiochia {Antioch} (Maronite), Lebanon | 
| 11 Jun | 16.1 | Entered | Adrijan Holovnja (Hołownia), O.S.B.M. † | Member of Basilian Order of Saint Josaphat (Order of St. Basil the Great) | Auxiliary Bishop of Žyrovyci (Ukrainian), Lithuania | 
| 45.8 | Ordained Bishop | Francisco Antonio de la Riva y Mazo † | Archbishop of Santafé en Nueva Granada, Colombia | 
| 15 Jun | 51.6 | Ordained Bishop | Cyprian Kazimierz von Wolicki † | Titular Bishop of Sinope | Auxiliary Bishop of Włocławek (Kujawy, Kalisze), Poland | 
| 16 Jun |  | Born | Gaetano Bonanni † |  | Bishop of Norcia, Italy | 
| 19 Jun |  | Born | Juan Arciniega † |  | Auxiliary Bishop of Toledo, Spain | 
| 22 Jun | 31.5 | Ordained Bishop | Charles de Broglie † | Bishop of Noyon, France | 
| 30 Jun |  | Resigned | Paul Dragićević (Draghichevich), O.F.M. † | Vicar Apostolic of Bosnia (Ottoman), Croatia |