| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 34.6 | Appointed | Girolamo Colonna di Sciarra † | Archpriest of the Basilica di Santa Maria Maggiore {Saint Mary Major Basilica} | Cardinal, Cardinal-Deacon of Sant’Agata de’ Goti |
| 39.3 | Ordained Bishop | Tomas Luiz da Conceiçăo, O.A.D. † | Bishop of Săo Tomé e Príncipe |
| Ordained Bishop | Nicolaus de Marchis † | Titular Bishop of Nemesi |
| 20.8 | Ordained Priest | Alexander Franz Joseph Engel von und zu Wagrain † | Priest of Passau, Germany | Bishop of Leoben, Austria |
| 36.8 | Ordained Deacon | Franz Christoph von Hutten zu Stolzenfels † | Deacon | Cardinal, Bishop of Speyer, Germany |
| Born | Matthew Lennan † | | Bishop of Dromore, Ireland |
| 50.6 | Died | Józef Antoni Łodziński, O.F.M. Conv. † | Auxiliary Bishop of Inflanty (Livonia)-Pilten, Poland |
| 28.3 | Ordained Priest | Giuseppe Maruca † | Priest | Bishop of Vieste, Italy |
| 15.9 | Professed | Pasquale Maria Mastrilli, C.R. † | Member of Congregation of Clerics Regular | Titular Archbishop of Nazareth |
| 64.6 | Appointed | Agapito Mosca † | Cardinal, Cardinal-Deacon of Sant’Agata de’ Goti |
| Born | James Murphy † | | Bishop of Clogher, Ireland |
| 46.0 | Professed | Mihály Emánuel Olsavszky, O.S.B.M. † | Member of Basilian Order of Saint Josaphat (Order of St. Basil the Great) | Vicar Apostolic of Mukachevo (Munkács) (Ruthenian), Ukraine |
| 23.4 | Ordained Priest | Inácio de Săo Caetano, O.C.D. † | Priest of Order of Discalced Carmelites | Bishop Emeritus of Penafiel, Portugal |
| 1 Jan | 32.7 | Ordained Deacon | Tommaso Battiloro † | Deacon | Bishop Emeritus of San Severo, Italy |
| 28.7 | Ordained Priest | Domenico Morelli † | Priest | Bishop Emeritus of Strongoli, Italy |
| 5 Jan | 82.9 | Died | Giovanni Giannelli † | Bishop of Alessano, Italy |
| 6 Jan | 32.7 | Ordained Priest | Tommaso Battiloro † | Priest | Bishop Emeritus of San Severo, Italy |
| 33.0 | Ordained Bishop | Arnaud-François Lefčbvre, M.E.P. † | Titular Bishop of Nea Aule | Vicar Apostolic of Cochin {Cocincina}, Viet Nam |
| 10 Jan | | Born | Giovanni Francesco d’Alessandria † | | Bishop of Catanzaro, Italy |
| 11 Jan | 85.4 | Died | Giulio Resta † | Bishop of Tortona, Italy |
| 12 Jan | 61.7 | Died | Camillo Cibo (Cybo) † | Cardinal, Cardinal-Priest of Santa Maria degli Angeli |
| 51.8 | Died | Narciso Queralt † | Bishop of Ávila, Spain |
| 13 Jan | 54.3 | Ordained Bishop | Bernardo António de Mello Osório † | Bishop of Guarda, Portugal |
| 58.1 | Ordained Bishop | Feliciano de Nossa Senhora † | Bishop of Lamego, Portugal |
| 51.6 | Ordained Bishop | Pedro de Villas Boas e Sampaio † | Bishop of Elvas, Portugal |
| 18 Jan | | Born | Ignazio-Gaetano Boncompagni-Ludovisi † | | Cardinal, Secretary Emeritus of the Secretariat of State |
| Born | Jean-Didier de Saint Martin, M.E.P. † | | Vicar Apostolic of Se-Ciuen (Setchoan, Szechwan, Sichuan), China |
| 20 Jan | 18.2 | First Vows | Marian (Josef Leodegar) Müller, O.S.B. † | Member of Order of Saint Benedict | Abbot of Maria Einsiedeln, Switzerland |
| 57.0 | Ordained Bishop | Maximiliaan-Antoon van der Noot † | Bishop of Gent {Ghent, Gand}, Belgium |
| 24 Jan | | Born | Tymoteusz Pawel von Gorzeński † | | Archbishop of Gniezno e Poznań, Poland |
| Born | Paolo Giuseppe Solaro di Villanova † | | Cardinal, Bishop Emeritus of Aosta, Italy |
| 26 Jan | | Born | Angiolo (Angelo) Cesarini † | | Titular Bishop of Milevum |
| 27 Jan | 66.3 | Died | Pietro Maria Pieri, O.S.M. † | Cardinal, Cardinal-Priest of San Giovanni a Porta Latina |
| 28 Jan | 38.9 | Appointed | Franz Dominikus von Almesloe † | Auxiliary Bishop of Wrocław (Breslau), Poland |
| 38.9 | Appointed | Franz Dominikus von Almesloe † | Titular Bishop of Cambysopolis | Auxiliary Bishop of Wrocław (Breslau), Poland |
| 51.0 | Confirmed | Juan González Melgarejo † | Bishop of Santiago de Chile | Bishop of Arequipa, Peru |
| 42.1 | Confirmed | François-Marie Le Maistre de La Garlaye † | Bishop of Clermont, France |
| 49.5 | Appointed | János Karl Von Maltzan † | Auxiliary Bishop of Győr (Raab), Hungary |
| 49.5 | Appointed | János Karl Von Maltzan † | Titular Bishop of Leontopolis in Bithynia | Auxiliary Bishop of Győr (Raab), Hungary |
| 52.1 | Appointed | Thomas Nechich † | Bishop of Nona (Nin), Croatia |
| 47.4 | Appointed | Giuseppe Palma † | Archbishop of Lucca, Italy |
| 57.6 | Confirmed | Juan Bravo del Rivero y Correa † | Bishop of Arequipa, Peru |
| 82.2 | Died | Łukasz Krzysztof Wielewiejski † | Titular Bishop of Cambysopolis |
| 29 Jan | 89.6 | Died | André-Hercule de Fleury † | Cardinal, Bishop Emeritus of Fréjus, France |
| 30 Jan | 82.6 | Died | Niccolň del Giudice † | Cardinal, Cardinal-Deacon of Santa Maria ad Martyres |
| 1 Feb | 56.1 | Selected | Francisco de Molina, O.S.Bas. † | Bishop of Comayagua, Honduras |
| 3 Feb | | Born | Joseph Konrad von Schroffenberg, C.R.S.A. † | | Bishop of Freising, Germany |
| 8 Feb | 84.6 | Died | Pier Marcellino Corradini † | Cardinal, Cardinal-Bishop of Frascati |
| 10 Feb | 52.2 | Ordained Bishop | Thomas Nechich † | Bishop of Nona (Nin), Croatia |
| 47.4 | Ordained Bishop | Giuseppe Palma † | Archbishop of Lucca, Italy |
| 12 Feb | | Born | Dávid Zsolnay † | | Bishop of Knin (Tinin), Croatia |
| 14 Feb | 49.2 | Died | Miguel Aguiar † | Bishop of Ceuta, Spain |
| 15 Feb | 70.8 | Died | Nicola Antonio Schiaffinati, O.E.S.A. † | Bishop of Ischia, Italy |
| 17 Feb | 54.8 | Ordained Bishop | Joăo de Moreira, O.F.M. Ref. † | Bishop of Santiago de Cabo Verde |
| 49.2 | Ordained Bishop | Francesco de Santa Rosa de Viterbo, O.F.M. Ref. † | Bishop of Nanking [Nanjing], China |
| 22 Feb | 80.2 | Died | Luis Antonio Belluga y Moncada, C.O. † | Cardinal, Bishop Emeritus of Cartagena (en Espańa) |
| 24 Feb | 42.2 | Ordained Bishop | François-Marie Le Maistre de La Garlaye † | Bishop of Clermont, France |
| 2 Mar | 73.7 | Died | Johann Joseph Ignaz Freyschlag von Schmidenthal † | Prefect of Lausitz (Lusatia), Germany |
| 4 Mar | 80.2 | Died | Prospero Colonna † | Cardinal, Cardinal-Deacon of Sant’Angelo in Pescheria |
| Born | Charles-François-Joseph Pisani de La Gaude † | | Bishop of Namur {Namen}, Belgium |
| 8 Mar | 58.8 | Died | Ludovico Ancaiani † | Bishop of Spoleto, Italy |
| 9 Mar | 31.8 | Ordained Priest | Pasquale Teodoro Basta † | Priest | Bishop of Melfi e Rapolla, Italy |
| 25.1 | Ordained Priest | Donato Antonio Giannelli † | Priest | Bishop of Bisceglie, Italy |
| 24.5 | Ordained Priest | Albert Louis de Lichtervelde † | Priest | Bishop of Namur {Namen}, Belgium |
| 24.8 | Ordained Priest | Salvatore Pisani † | Priest | Bishop of Patti, Italy |
| 30.4 | Ordained Deacon | Michele Tafuri † | Deacon | Bishop of Cava (de’ Tirreni), Italy |
| 11 Mar | 70.4 | Appointed | Giuseppe Accoramboni † | Cardinal, Cardinal-Bishop of Frascati |
| 50.4 | Appointed | Alessandro Albani † | Cardinal-Deacon of Santa Maria ad Martyres | Cardinal, Archivist of the Vatican Secret Archive |
| 50.1 | Appointed | Giuseppe Luigi de Andujar, O.P. † | Bishop of Tortona, Italy |
| 62.5 | Appointed | Paolo Bonavisa † | Bishop of Spoleto, Italy |
| 53.6 | Appointed | Bernardino Campi † | Bishop of Bobbio, Italy |
| 39.7 | Appointed | José Dantas Barbosa † | Auxiliary Bishop of Lisboa {Lisbon}, Portugal |
| 39.7 | Appointed | José Dantas Barbosa † | Titular Archbishop of Lacedaemonia | Auxiliary Bishop of Lisboa {Lisbon}, Portugal |
| 69.1 | Appointed | Andrea Duranti † | Titular Bishop of Chytri |
| 73.8 | Appointed | Francesco Antonio Finy † | Cardinal-Priest of Santa Maria in Trastevere | Cardinal, Bishop Emeritus of Tivoli, Italy |
| 59.1 | Confirmed | Guillaume-Philippe de Herzelles † | Bishop of Antwerpen {Antwerp, Anvers}, Belgium |
| 67.3 | Appointed | Nicolň Maria Lercari † | Cardinal-Priest of San Pietro in Vincoli | Cardinal, Secretary Emeritus of the Secretariat of State |
| 66.2 | Appointed | Francesco Maria Miceli † | Bishop of Lipari, Italy |
| 56.2 | Confirmed | Francisco de Molina, O.S.Bas. † | Bishop of Comayagua, Honduras |
| 62.9 | Appointed | Angelo Maria (Gerolamo) Quirini (Querini), O.S.B. † | Cardinal-Priest of Santa Prassede | Cardinal, Bishop of Brescia, Italy |
| 50.0 | Appointed | Carlo della Torre Rezzonico † | Bishop of Padova {Padua}, Italy | Pope (Roma {Rome}, Italy) |
| 40.8 | Appointed | Antonio Sánchez Sardinero † | Bishop of Huesca, Spain |
| 12 Mar | 46.1 | Appointed | Mihály Emánuel Olsavszky, O.S.B.M. † | Vicar Apostolic of Mukachevo (Munkács) (Ruthenian), Ukraine |
| 14 Mar | 59.6 | Selected | Domingo Pantaleón Álvarez de Abreu † | Archbishop (Personal Title) of Tlaxcala (Puebla de los Angeles), México | Bishop |
| 46.2 | Selected | Ignacio Padilla Estrada (Guardiola), O.S.A. † | Archbishop of Santo Domingo, Dominican Republic | Bishop of Yucatán (Mérida), México |
| 16 Mar | 60.2 | Appointed | Siméon VII Awad † | Patriarch of Antiochia {Antioch} (Maronite), Lebanon |
| 17 Mar | 53.6 | Ordained Bishop | Bernardino Campi † | Bishop of Bobbio, Italy |
| 22.9 | Ordained Priest | Giovanni Battista de Pergen † | Priest | Bishop of Mantova, Italy |
| 18 Mar | | Born | Józef Gabriel Gembart † | | Auxiliary Bishop of Gniezno e Poznań, Poland |
| 19 Mar | 50.0 | Ordained Bishop | Carlo della Torre Rezzonico † | Bishop of Padova {Padua}, Italy | Pope (Roma {Rome}, Italy) |
| 21 Mar | 77.4 | Died | Philipp Karl von Eltz zu Kempenich † | Archbishop of Mainz, Germany |
| 40.2 | Selected | Juan Nieto Polo del Aguila † | Bishop of Santa Marta, Colombia | Bishop of Quito, Ecuador |
| 24 Mar | 42.1 | Ordained Deacon | Cristóvăo de Almeida Soares e Brito † | Deacon | Bishop of Pinhel, Portugal |
| 27 Mar | 48.2 | Installed | Ermest Amadeus Thomas von Attems † | Bishop of Ljubljana (Laybach; Laibach), Slovenia |
| 28 Mar | 65.3 | Died | Johann Michael Wenzelaus von Spaur † | Auxiliary Bishop of Trento, Italy |
| 29 Mar | | Born | Johann Nepomuk von Wolf † | | Bishop of Regensburg, Germany |
| 30 Mar | 23.2 | Ordained Priest | Angelo Luigi Gioviio, O.S.B. † | Priest of Order of Saint Benedict | Bishop of Ventimiglia, Italy |
| 23.1 | Ordained Priest | Giacomo Pisani † | Priest of Patti, Italy | Titular Bishop of Agathopolis |
| 69.9 | Died | Francisco de Vasconcellos, S.J. † | Bishop of Cochin, India |
| 2 Apr | 22.4 | Ordained Deacon | Matej Frantisek von Chorinsky † | Deacon of Olomouc (Olmütz), Czechia | Bishop of Brno, Czechia |
| 4 Apr | 50.6 | Appointed | Jakob Johann Joseph Wolsky von Bärenstamm † | Prefect of Lausitz (Lusatia), Germany |
| 5 Apr | 22.5 | Ordained Priest | Matej Frantisek von Chorinsky † | Priest of Olomouc (Olmütz), Czechia | Bishop of Brno, Czechia |
| 73.9 | Died | Francesco Antonio Finy † | Cardinal-Priest of Santa Maria in Trastevere | Cardinal, Bishop Emeritus of Tivoli, Italy |
| 7 Apr | 24.1 | Ordained Priest | Zacharias Coccopalmieri † | Priest | Bishop of Umbriatico (Umbriaticum), Italy |
| 13 Apr | 30.5 | Ordained Priest | Michele Tafuri † | Priest | Bishop of Cava (de’ Tirreni), Italy |
| 15 Apr | 25.0 | Ordained Deacon | Ivan Krstitelj Paxy † | Deacon | Bishop of Zagreb (Agram), Croatia |
| 18 Apr | 59.2 | Died | Vincenzo Maria d’Aragona, O.P. † | Archbishop of Cosenza, Italy |
| 20 Apr | 80.1 | Died | Tommaso Falcoia, C.P.O. † | Bishop of Castellammare di Stabia, Italy |
| 22 Apr | 53.7 | Selected | Johann Friedrich Karl von Ostein † | Archbishop of Mainz, Germany |
| 25 Apr | | Born | Bartolomé María de las Heras Navarro † | | Archbishop of Lima, Peru |