| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 58.7 | Died | Ludovico Ancaiani † | Bishop of Spoleto, Italy |
| 77.0 | Died | Marcus Andriaski † | Archbishop of Sardica (Sredek, Sofia), Bulgaria |
| Died | Martin Burke † | Bishop of Kilmacduagh, Ireland |
| 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 |
| 63.5 | Resigned | Claude-Ignace-Joseph de Simiane de Gordes † | Bishop of Saint-Paul-Trois-Châteaux, France | Bishop Emeritus |
| 20.9 | Ordained Priest | Alexander Franz Joseph Engl von und zu Wagrain † | Priest of Passau, Germany | Bishop of Leoben, Austria |
| 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 |
| 64.7 | Appointed | Agapito Mosca † | Cardinal, Cardinal-Deacon of Sant’Agata de’ Goti |
| Died | Bernard O’Rourke † | Bishop of Killala, Ireland |
| Born | Charles-François-Joseph Pisani de La Gaude † | Aix | Bishop of Namur {Namen}, Belgium |
| 23.4 | Ordained Priest | Inácio de São Caetano, O.C.D. † | Priest of Order of Discalced Carmelites | Bishop Emeritus of Penafiel, Portugal |
| 70.8 | Died | Niccolò Schiaffinati, O.S.A. † | Bishop of Ischia, Italy |
| 51.0 | Resigned | Michael Somma † | Archbishop of Skopje, Macedonia | Archbishop Emeritus |
| 82.3 | Died | Łukasz Krzysztof Wielewiejski † | Titular Bishop of Cambysopolis |
| 1 Jan | 28.8 | Ordained Priest | Domenico Morelli † | Priest | Bishop Emeritus of Strongoli, Italy |
| 5 Jan | 82.9 | Died | Giovanni Giannelli † | Bishop of Alessano, Italy |
| 6 Jan | 32.8 | Ordained Priest | Tommaso Battiloro † | Priest | Bishop Emeritus of San Severo, Italy |
| 33.0 | Ordained Bishop | Arnaud-François Lefèbvre, M.E.P. † | Titular Bishop of Nea Aule | Vicar Apostolic of Cochin {Cocincina}, Viet Nam |
| 10 Jan | | Born | Giovanni Francesco d’Alessandria † | Monte Leone | 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 |
| 51.9 | Died | Narciso Queralt † | Bishop of Avila, Spain |
| 13 Jan | 51.7 | Ordained Bishop | Pedro de Vilas-Boas e Sampaio † | Bishop of Elvas, Portugal |
| 18 Jan | | Born | Ignazio-Gaetano Boncompagni-Ludovisi † | Rome, Italy | Cardinal, Secretary Emeritus of the Secretariat of State |
| Born | Jean-Didier de Saint Martin, M.E.P. † | Paris, France | Vicar Apostolic of Se-Ciuen (Setchoan), China |
| 20 Jan | 57.1 | Ordained Bishop | Maximiliaan-Antoon van der Noot † | Bishop of Gent {Ghent, Gand}, Belgium |
| 24 Jan | | Born | Tymoteusz Pawel von Gorzeński † | Rybowo | Archbishop of Gniezno e Poznań, Poland |
| Born | Paolo Giuseppe Solaro † | Szeben | Cardinal, Bishop Emeritus of Aosta, Italy |
| 25 Jan | 23.5 | Ordained Priest | Giovanni Morosini, O.S.B. † | Priest of Order of Saint Benedict | Bishop of Verona, Italy |
| 26 Jan | | Born | Angiolo (Angelo) Cesarini † | Perugia | 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 | 39.0 | Appointed | Franz Dominikus von Almesloe † | Auxiliary Bishop of Wrocław (Breslau), Poland |
| 39.0 | Appointed | Franz Dominikus von Almesloe † | Titular Bishop of Cambysopolis | Auxiliary Bishop of Wrocław (Breslau), Poland |
| 51.1 | Appointed | Juan González Melgarejo † | Bishop of Santiago de Chile | Bishop of Arequipa, Peru |
| 52.2 | Appointed | Thomas Nechich † | Bishop of Nona (Nin), Croatia |
| 47.4 | Appointed | Giuseppe Palma † | Archbishop of Lucca, Italy |
| 57.6 | Appointed | Juan Bravo del Rivero y Correa † | Bishop of Arequipa, Peru |
| 29 Jan | 89.6 | Died | André-Hercule de Fleury † | Cardinal, Bishop Emeritus of Fréjus, France |
| 30 Jan | 82.6 | Died | Niccolò del Giudice † | Cardinal, Cardinal-Deacon of Santa Maria ad Martyres |
| 3 Feb | | Born | Joseph Konrad von Schroffenberg, C.R.S.A. † | Konstanz | Bishop of Freising, Germany |
| 8 Feb | 84.7 | Died | Pier Marcellino Corradini † | Cardinal, Bishop of Frascati, Italy |
| 10 Feb | 52.3 | Ordained Bishop | Thomas Nechich † | Bishop of Nona (Nin), Croatia |
| 47.5 | Ordained Bishop | Giuseppe Palma † | Archbishop of Lucca, Italy |
| 12 Feb | | Born | Dávid Zsolnay † | Beö | Bishop of Knin, Croatia |
| 14 Feb | 49.3 | Died | Miguel Aguiar † | Bishop of Ceuta, Spain |
| 17 Feb | 54.9 | Ordained Bishop | João de Moreira, O.F.M. † | Bishop of Santiago de Cabo Verde |
| 49.2 | Ordained Bishop | Francesco de Santa Rosa de Viterbo, O.F.M. † | Bishop of Nanking [Nanjing], China |
| 22 Feb | 80.2 | Died | Luis Antonio Belluga y Moncada, C.O. † | Cardinal, Bishop Emeritus of Cartagena (en España) |
| 24 Feb | 42.1 | 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 Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany |
| 4 Mar | 80.3 | Died | Prospero Colonna † | Cardinal, Cardinal-Deacon of Sant’Angelo in Pescheria |
| 9 Mar | 31.9 | Ordained Priest | Pasquale Teodoro Basta † | Priest | Bishop of Melfi e Rapolla, Italy |
| 25.2 | Ordained Priest | Donato Antonio Giannelli † | Priest | Bishop of Bisceglie, Italy |
| 24.6 | Ordained Priest | Albert Louis de Lichtervelde † | Priest | Bishop of Namur {Namen}, Belgium |
| 24.8 | Ordained Priest | Salvatore Pisano † | Priest | Bishop of Patti, Italy |
| 11 Mar | 70.5 | 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 Archives |
| 50.2 | Appointed | Giuseppe Ludovico Andujar, O.P. † | Bishop of Tortona, Italy |
| 62.6 | 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 |
| 69.2 | 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 |
| 59.2 | Appointed | Guillaume-Philippe de Herzelles † | Bishop of Antwerpen {Antwerp, Anvers}, Belgium |
| 67.3 | Appointed | Nicolò Maria Lercari † | Cardinal-Priest of San Pietro in Vincoli | Cardinal, Secretary Emeritus of the Secretariat of State |
| 66.3 | Appointed | Francesco Maria Miceli † | Bishop of Lipari, Italy |
| 56.3 | Appointed | Francisco de Molina, O.S.Bas. † | Bishop of Comayagua, Honduras |
| 62.9 | Appointed | Angelo Maria 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) |
| 40.9 | Appointed | Antonio Sánchez Sardinero † | Bishop of Huesca, Spain |
| 12 Mar | 46.2 | Appointed | Mihály Emánuel Olsavszky, O.S.B.M. † | Vicar Apostolic of Mukachevo (Munkács) (Ruthenian), Ukraine |
| 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 † | Gostyczyna | 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 | Joannes Nieto Polo del Aguila † | Bishop of Santa Marta, Colombia | Bishop of Quito, Ecuador |
| 27 Mar | 48.3 | Installed | Ermest Amadeus Thomas von Attems † | Bishop of Ljubljana, Slovenia |
| 28 Mar | 65.3 | Died | Johann Michael Wenzel von Spaur † | Auxiliary Bishop of Trento, Italy |
| 29 Mar | | Born | Johann Nepomuk von Wolf † | Oettingen | Bishop of Regensburg, Germany |
| 30 Mar | 23.3 | Ordained Priest | Angelo Luigi Giovo, O.S.B. † | Priest of Order of Saint Benedict | Bishop of Ventimiglia, Italy |
| 23.1 | Ordained Priest | Jacobus Pisani † | Priest | Titular Bishop of Agathopolis |
| Died | Francisco de Vasconcellos, S.J. † | Bishop of Cochin, India |
| 4 Apr | 50.7 | Appointed | Jakob Johann Joseph Wosky von Bärenstamm † | Prefect of Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany |
| 5 Apr | 22.5 | Ordained Priest | Matthias Franz von Chorinsky † | Priest of Olomouc (Olmütz), Czech Republic | Bishop of Brno, Czech Republic |
| 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 |
| 18 Apr | 59.3 | Died | Vincenzo Maria d’Aragona, O.P. † | Archbishop of Cosenza, Italy |
| 20 Apr | 80.1 | Died | Tommaso Facoja † | Bishop of Castellammare di Stabia, Italy |
| 22 Apr | 53.8 | Selected | Johann Friedrich Karl von Ostein † | Archbishop of Mainz, Germany |
| 25 Apr | | Born | Bartolomé María de las Heras Navarro † | Carmona, Spain | Archbishop of Lima, Peru |