| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 20.7 | Professed | Pantaleon Bruns, O.S.B. † | Member of Order of Saint Benedict | Auxiliary Bishop of Paderborn, Germany |
| 50.0 | Died | Juan Durán, O. de M. † | Auxiliary Bishop of Cebu, Philippines |
| 74.0 | Died | Antonio Ibarra † | Bishop of Cádiz, Spain |
| 71.0 | Died | Bonaventura Madaliński † | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 45.0 | Selected | Franciszek Mikołaj Prażmowski † | Bishop of Lutsk (Łuck), Ukraine |
| 22.2 | Ordained Priest | Caspar Adolph Schnernauer † | Priest of Mainz, Germany | Auxiliary Bishop |
| Born | François de Serret de Gaujac † | Béziers | Bishop of Aire, France |
| 76.0 | Died | Mikolaj Słupski † | Auxiliary Bishop of Vilnius, Lithuania |
| 43.7 | Appointed | Martinus Steyaert † | Vicar Apostolic of ’s Hertogenbosch (Bois-le-Duc), Netherlands |
| Died | Edward Wesley † | Bishop of Kildare and Leighlin, Ireland |
| Jan | 48.3 | Ordained Bishop | Guilielmus (Willem) Bassery † | Bishop of Brugge {Bruges}, Belgium |
| Born | Emmanuel Caranza † | Naxos | Bishop of Syros (e Milos), Greece |
| 2 Jan | | Born | Mario Antonio Maffei † | Monte Grimano | Bishop of Foligno, Italy |
| 6 Jan | | Born | Flaminius Danza † | Padula | Bishop of Sant’Agata de’ Goti, Italy |
| 7 Jan | 30.1 | Ordained Priest | Carlo Francesco Gallarino † | Priest | Bishop of Bobbio, Italy |
| 8 Jan | 56.3 | Appointed | Laurent Buti (Buzzi) † | Bishop of Carpentras, France |
| 32.6 | Appointed | Gaetano de Castillo, C.R. † | Bishop of Lipari, Italy |
| Appointed | Antonio a S. Theresia, O.F.M. † | Bishop of Malacca, Singapore |
| 9 Jan | 47.4 | Died | Giuseppe Ottavio Attavanti † | Bishop of Arezzo, Italy |
| 10 Jan | 89.0 | Died | Gabriel Haug † | Auxiliary Bishop of Strasbourg, France |
| 62.1 | Died | Emiddio Lenti † | Bishop of Nocera de’ Pagani, Italy |
| 14 Jan | 27.7 | Ordained Bishop | Alexander Sigmund am Rhein zu Neuburg † | Bishop of Augsburg, Germany |
| 16 Jan | | Died | Manoel da Ressurreição, O.F.M. † | Archbishop of São Salvador da Bahia, Brazil |
| 18 Jan | | Born | Scipione Sersale † | Napolitano | Bishop of Lecce, Italy |
| 21 Jan | 32.6 | Ordained Bishop | Gaetano de Castillo, C.R. † | Bishop of Lipari, Italy |
| 54.7 | Resigned | Pier Matteo Petrucci, C.O. † | Bishop of Jesi, Italy | Cardinal, Bishop Emeritus |
| Born | Ippolito de Rossi † | Parma | Bishop of Senigallia, Italy |
| 22 Jan | 79.1 | Died | Antonio de Benavides y Bazán † | Patriarch of West Indies, Spain |
| 29 Jan | 36.0 | Succeeded | Jacques-Nicolas de Colbert † | Archbishop of Rouen, France |
| 86.5 | Died | François de Rouxel de Médavy † | Archbishop of Rouen, France |
| 1 Feb | 80.8 | Died | Pietro Vito Ottoboni † | Pope (Roma {Rome}, Italy) |
| 7 Feb | 37.2 | Died | Simon Judas Thaddäus Schmidt † | Auxiliary Bishop of Freising, Germany |
| 8 Feb | 59.1 | Ordained Bishop | Sebastian Glavinich † | Bishop of Senj (-Modruš), Croatia |
| Born | Jacques-Charles-Alexandre Lallemant † | Paris | Bishop of Sées, France |
| 13 Feb | | Born | Placido Pezzancheri, O. Cist. † | Piacenza | Bishop of Tivoli, Italy |
| 70.1 | Died | Bartolomeo Polla † | Archbishop of Naxos, Greece |
| 21 Feb | 76.9 | Died | Antonio Bichi † | Cardinal, Bishop of Osimo, Italy |
| 26 Feb | | Born | Narciso Queralt † | Santa Coloma de Queralt | Bishop of Avila, Spain |
| 27 Feb | 74.2 | Died | Grégoire Lo(u) Wen-tsao (López), O.P. † | Bishop of Nanking [Nanjing], China |
| Mar | | Born | Josephus Antonius Chiolnich † | Vivodinyi | Bishop of Bosnia, Croatia |
| 4 Mar | | Born | Pierre-Herman Dosquet, P.S.S. † | Liège, Belgium | Bishop Emeritus of Québec, Canada |
| 7 Mar | | Born | Giuseppe Saporiti † | Genova | Archbishop of Genova, Italy |
| 8 Mar | | Born | Anton Johann Wenzel Wokaun (Woknau) † | Bezno | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 10 Mar | | Born | Vincenzo Bragadin, O.F.M. Cap. † | Venezia | Bishop of Chioggia, Italy |
| 25.2 | Ordained Priest | Georgius Martonffi † | Priest | Bishop of Transilvania, Erdély, Siebenbürgen, Romania |
| 11 Mar | 78.8 | Died | Giulio Spinola † | Cardinal, Bishop Emeritus of Lucca, Italy |
| 15 Mar | 42.2 | Died | Pedro da Silva, O.S.A. † | Bishop of Cochin, India |
| 16 Mar | | Born | Francesco Lanfreschi † | Ischia | Archbishop of Acerenza e Matera, Italy |
| 18 Mar | 23.0 | Ordained Priest | Giuseppe Maria Positano, O.P. † | Priest of Order of Friars Preachers | Archbishop of Salerno, Italy |
| Born | José Zorrilla Sanmartín † | Valle de Ruesca | Bishop of Salamanca, Spain |
| 31 Mar | 24.2 | Ordained Priest | Gianmaria Capecelatro, C.R.L. † | Priest of Canons Regular of the Congregation of the Most Holy Saviour of the Lateran | Bishop of Ischia, Italy |
| 3 Apr | 86.1 | Died | Filiberto Alberto Bailly, B. † | Bishop of Aosta, Italy |
| 10 Apr | | Born | Massenzio dei Conti Filo † | Altamura | Bishop of Castellaneta, Italy |
| 14 Apr | 33.1 | Ordained Priest | Joannes Christophorus Battelli † | Priest | Titular Archbishop of Amasea |
| 34.0 | Ordained Priest | José Espejo Cisneros † | Priest | Bishop Emeritus of Calahorra y La Calzada, Spain |
| 29.5 | Ordained Priest | Gregorio Lauri † | Priest | Bishop Emeritus of Ascoli Piceno, Italy |
| 16 Apr | 35.5 | Ordained Priest | João de Brito e Vasconcelos † | Priest | Bishop of Angra, Portugal |
| Born | Andrea Lucchesi Palli † | Messina | Bishop of Agrigento (Girgenti), Italy |
| 19 Apr | 30.9 | Selected | Ludwig Anton von Rhein zu Neuburg † | Coadjutor Bishop of Mainz, Germany | Bishop-Elect of Worms, Germany |
| 22 Apr | 75.5 | Died | Raimondo Capizucchi, O.P. † | Cardinal, Cardinal-Priest of Santa Maria degli Angeli |
| 25 Apr | | Born | Manuel del Rio Flores, O.P. † | Torrelobaton | Bishop-Elect of Nueva Segovia, Philippines |
| 30 Apr | 72.6 | Died | Tommaso Ruffo, O.P. † | Archbishop of Bari (-Canosa), Italy |
| May | 54.6 | Died | Francisco de Sequeiros y Sotomayor, O.S.A. † | Bishop of Cassano all’Jonio, Italy |
| Born | Pedro de Vilas-Boas e Sampaio † | Portugallen | Bishop of Elvas, Portugal |
| 24 May | | Born | Lothar Friedrich von Nalbach † | Trier | Auxiliary Bishop of Trier, Germany |
| 2 Jun | | Born | Simon-Pierre de Lacoré (La Corée) † | Saint-Ouen-les-Paris | Bishop of Saintes, France |
| 6 Jun | 59.4 | Died | Gerolamo Rocca † | Bishop of Ischia, Italy |
| 9 Jun | 35.2 | Ordained Priest | Rogerius Giacobetti † | Priest | Bishop of Assisi, Italy |
| 22.4 | Ordained Deacon | Giovanni Romano † | Deacon | Bishop of Catanzaro, Italy |
| 14 Jun | | Born | Seraphinus Torriani, O.F.M. † | Alzano Maggiore | Bishop Emeritus of Pult, Albania |
| 16 Jun | | Born | Vincenzo Maria de Francisco e Galletti, O.P. † | Palermo | Bishop of Lipari, Italy |
| Born | Girolamo Gravina, C.R. † | Palermo | Bishop of Patti, Italy |