| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 65.0 | Died | Giulio Cesare Bergera † | Archbishop of Torino {Turin}, Italy |
| Born | Léon de Beaumont † | Saintonge | Bishop of Saintes, France |
| Born | Angel Benito, O.S.B. † | Alfaro | Auxiliary Bishop of Burgos, Spain |
| Born | Jan Kazimierz de Alten Bokum † | | Bishop of Chelmno (Culma, Kulm), Poland |
| 64.0 | Died | Tiburzio Bollini, O.S.B. † | Bishop of Isernia, Italy |
| 64.0 | Resigned | Giorgio (Gregorio) Bolognetti † | Bishop of Rieti, Italy | Bishop Emeritus |
| Died | Giovanni Battista Brescia † | Bishop of Vicenza, Italy |
| Appointed | Ottaviano Carafa † | Titular Archbishop of Patrae (Veters) |
| Born | François-Louis de Clermont-Tonnerre † | | Bishop of Langres, France |
| Died | Francisco de Godoy † | Bishop of Trujillo, Peru |
| Born | Francisco de Deza y Ulloa † | Huejotzingo | Bishop of Ayacucho o Huamanga (Guamanga), Peru |
| Appointed | Francisco Díaz de Cabrera † | Bishop of Salamanca, Spain |
| Died | Francisco Gabaldá, O.S.H. † | Bishop of Segorbe, Spain |
| Appointed | Diego García de Trasmiera † | Bishop of Zamora, Spain |
| 58.0 | Resigned | Henri de La Mothe-Houdancourt † | Bishop of Rennes, France | Archbishop of Auch, France |
| Died | Girolamo Lanfranchi † | Bishop of Cava (de’ Tirreni), Italy |
| Born | François-Gaspard de La Mer de Matha † | Marcillat | Bishop of Aire, France |
| Died | Francesco Lombardi † | Bishop of Veroli, Italy |
| Appointed | Pedro Fernández Manjarrés de Heredia † | Bishop of Mallorca, Spain |
| Born | Hugh MacMahon (McMahon) † | Cavany | Archbishop of Armagh, Ireland |
| Born | Juan Muñoz de la Cueva, O.SS.T. † | Almedina | Bishop of Orense, Spain |
| Born | Thomas Olivieri † | Cutro | Bishop of Strongoli, Italy |
| 28.0 | Ordained Priest | Sancho de Andrade de Figueroa † | Priest | Bishop of Quito, Ecuador |
| Died | Georgius Pauli-Stravius † | Auxiliary Bishop of Köln {Cologne}, Germany |
| Appointed | Carlo Personè † | Bishop of Ostuni, Italy |
| Born | Giuseppe Maria Pignatelli, C.R. † | Napoli | Bishop of Cava (de’ Tirreni), Italy |
| Born | Adrian Skrzetuski, O.F.M. Conv. † | Krakow | Bishop of Bacău, Romania |
| Born | Michał Bartłomiej Tarło † | Lublovien | Bishop of Poznań, Poland |
| Born | Gregorio Téllez, O.F.M. Conv. † | Casarrubios del Monte | Bishop Emeritus of Ciudad Rodrigo, Spain |
| 47.7 | Appointed | Mathieu Thoreau † | Bishop of Dol, France |
| Born | Ludovicus Tolibowski † | | Auxiliary Bishop of Płock, Poland |
| 73.0 | Installed | Gaspar de Villarroel, O.S.A. † | Archbishop of La Plata o Charcas, Bolivia |
| Appointed | Juan de Villamar, O.F.M. † | Bishop of Tui, Spain |
| Born | Jean Vivant † | Paris | Auxiliary Bishop of Strasbourg, France |
| Born | Thomas Dominic Williams, O.P. † | Monmouthshire | Vicar Apostolic of Northern District, England, Great Britain |
| Jan | | Born | Alfonso De’ Belincioni † | Modena | Bishop of Cagli, Italy |
| 2 Jan | 76.0 | Died | Paolo Squillanti † | Bishop of Teano, Italy |
| 5 Jan | 27.8 | Ordained Priest | Manuel de Moura Manuel † | Priest | Bishop of Miranda (do Douro), Portugal |
| 6 Jan | 50.0 | Installed | Jan Stefan Wydżga † | Bishop of Warmia (Ermland), Poland | Archbishop of Gniezno, Poland |
| 12 Jan | | Born | François-Marie Abbati † | Pesaro | Bishop of Carpentras, France |
| 46.1 | Appointed | Alessandro Pallavicini, O.S.B. † | Bishop of Borgo San Donnino, Italy |
| 41.0 | Appointed | Maurizio Piccardi † | Bishop of Sora, Italy |
| 17 Jan | | Born | Michele Maria Dentice † | Napoli | Bishop of Mottola (Motula), Italy |
| 21 Jan | | Appointed | Miguel Pérez Cevallos † | Auxiliary Bishop of Toledo, Spain |
| Appointed | Miguel Pérez Cevallos † | Titular Bishop of Arcadiopolis in Asia | Auxiliary Bishop of Toledo, Spain |
| 25 Jan | 46.1 | Ordained Bishop | Alessandro Pallavicini, O.S.B. † | Bishop of Borgo San Donnino, Italy |
| 26 Jan | 58.2 | Appointed | Diego de Humanzoro, O.F.M. † | Bishop of Santiago de Chile |
| Appointed | Acacio March de Velasco, O.P. † | Bishop of Orihuela, Spain |
| 57.9 | Appointed | Juan Velez † | Bishop of Cebu, Philippines | Bishop-Elect |
| 31 Jan | | Born | Giovanni Giannelli † | Vitulano | Bishop of Alessano, Italy |
| Feb | 46.1 | Died | Giorgio Giorgicci † | Bishop of Krk (Veglia), Croatia |
| 2 Feb | | Born | Francesco Maria Arrighi † | Firenze | Bishop of Montepulciano, Italy |
| 3 Feb | | Born | Blasius de Vicariis † | Salernitan | Titular Bishop of Capharnaum |
| 8 Feb | 54.1 | Died | Charles-Auguste de Sales † | Bishop of Genève {Geneva}, Switzerland |
| 10 Feb | | Born | Antonio Francesco Sanvitale † | Parma | Cardinal, Archbishop of Urbino, Italy |
| 12 Feb | 45.1 | Succeeded | Jacques Adhémar de Monteil de Grignan † | Bishop of Uzés, France |
| 14 Feb | | Born | Domingo Valentín Guerra Arteaga y Leiba † | Ariano, Italy | Bishop of Segovia, Spain |
| 16 Feb | | Appointed | Guido Bentivoglio, C.R. † | Bishop of Bertinoro, Italy | Bishop Emeritus |
| Appointed | Charles François de la Vieuville † | Bishop of Rennes, France |
| Appointed | Cipriano Medina, O.P. † | Bishop of Ayacucho o Huamanga (Guamanga), Peru |
| 46.1 | Appointed | Giovanni Roano e Corrionero † | Bishop of Cefalù, Italy | Archbishop of Monreale, Italy |
| 60.1 | Appointed | Richard de Sade † | Bishop of Cavaillon, France |
| Appointed | Francesco Zeno † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
| 19 Feb | 62.7 | Died | Thomas Henrici † | Auxiliary Bishop of Basel, Switzerland |
| 21 Feb | | Appointed | Nicolás de Madrid, O.S.H. † | Bishop of Osma, Spain |
| 22 Feb | | Ordained Bishop | Francesco Zeno † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
| 23 Feb | | Ordained Bishop | Guido Bentivoglio, C.R. † | Bishop of Bertinoro, Italy | Bishop Emeritus |
| 26 Feb | | Died | Bernhard von Schrattenbach, O. Cist. † | Prefect of Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany |
| Mar | | Born | Colombino Bassi, O.S.B. † | Januen | Bishop of Pistoia e Prato, Italy |
| 5 Mar | | Died | Francisco Pio Guadalupe Tellez † | Archbishop of Santo Domingo, Dominican Republic |
| Born | Paolo Valaresso † | Venice | Bishop of Concordia (Sagittaria), Italy |
| 8 Mar | | Born | Francesco de Vico † | Maceraten | Titular Bishop of Elusa |
| 10 Mar | | Born | Antonius Negri † | Crutae | Bishop of Shkodrë (Scutari), Albania |
| Born | Andreas Riggio † | Palermo | Bishop of Catania, Italy |
| 16 Mar | | Born | Antoine de Charpin de Genetines † | Saint-Romain d`Urfé | Bishop Emeritus of Limoges, France |
| 24 Mar | | Born | Filippo Antonio Gualterio † | Fermo | Cardinal, Bishop Emeritus of Todi, Italy |
| 26 Mar | 28.2 | Ordained Priest | Sebastian Glavinich † | Priest | Bishop of Senj (-Modruš), Croatia |
| 4 Apr | 38.8 | Ordained Bishop | Guillaume Le Boux † | Bishop of Acqs (Dax), France | Bishop of Périgueux (Vesuna), France |
| 5 Apr | 34.3 | Elevated to Cardinal | Pascual de Aragón-Córdoba-Cardona y Fernández de Córdoba † | Cardinal, Archbishop of Toledo, Spain |
| 45.3 | Appointed | Francesco Angelucci † | Bishop of Veroli, Italy |
| 62.3 | Elevated to Cardinal | Volumnio Bandinelli † | Cardinal, Cardinal-Priest of Santi Silvestro e Martino ai Monti |
| 34.6 | Elevated to Cardinal | St. Gregorio Giovanni Gasparo Barbarigo † | Cardinal, Bishop of Padova {Padua}, Italy |
| 56.3 | Appointed | Luigi de Gennaro † | Bishop of Cava (de’ Tirreni), Italy | Bishop Emeritus |
| 61.3 | Appointed | Francesco Falabella † | Archbishop of Santa Severina, Italy |
| 47.3 | Elevated to Cardinal | Giacomo Franzoni † | Cardinal, Bishop Emeritus of Camerino, Italy |
| 39.3 | Appointed | Matteo di Génnaro † | Archbishop of Reggio Calabria, Italy |
| 54.3 | Elevated to Cardinal | Francesco Maria Mancini † | Cardinal, Cardinal-Priest of San Matteo in Merulana |
| 47.3 | Elevated to Cardinal | Odoardo Vecchiarelli † | Cardinal, Bishop of Rieti, Italy |
| 49.4 | Elevated to Cardinal | Pietro Vidoni (Sr.) † | Cardinal, Bishop Emeritus of Lodi, Italy |
| 49.4 | Resigned | Pietro Vidoni (Sr.) † | Apostolic Nuncio to Poland | Cardinal, Bishop Emeritus of Lodi, Italy |
| 67.1 | Elevated to Cardinal | Franz Wilhelm von Wartenberg † | Cardinal, Bishop of Regensburg, Germany |
| 11 Apr | 45.3 | Ordained Bishop | Francesco Angelucci † | Bishop of Veroli, Italy |
| 56.3 | Ordained Bishop | Luigi de Gennaro † | Bishop of Cava (de’ Tirreni), Italy | Bishop Emeritus |
| 61.3 | Ordained Bishop | Francesco Falabella † | Archbishop of Santa Severina, Italy |
| 39.3 | Ordained Bishop | Matteo di Génnaro † | Archbishop of Reggio Calabria, Italy |
| 16 Apr | 56.3 | Died | Bartolomeo Cresconi † | Bishop of Caserta, Italy |
| 19 Apr | 62.3 | Installed | Volumnio Bandinelli † | Cardinal, Cardinal-Priest of Santi Silvestro e Martino ai Monti |
| 47.4 | Installed | Giacomo Franzoni † | Cardinal-Deacon of Santa Maria in Aquiro | Cardinal, Bishop Emeritus of Camerino, Italy |
| 54.3 | Installed | Francesco Maria Mancini † | Cardinal-Deacon of Santi Vito, Modesto e Crescenzia | Cardinal, Cardinal-Priest of San Matteo in Merulana |
| 47.3 | Installed | Odoardo Vecchiarelli † | Cardinal-Deacon of Santi Cosma e Damiano | Cardinal, Bishop of Rieti, Italy |
| 23 Apr | 42.3 | Resigned | Rinaldo d’Este † | Bishop of Reggio Emilia, Italy | Cardinal, Cardinal-Bishop of Palestrina |
| 27 Apr | 60.3 | Died | Martin Saudrius von Sternfeld † | Prefect Emeritus of Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany |
| 29 Apr | 46.4 | Installed | Alessandro Pallavicini, O.S.B. † | Bishop of Borgo San Donnino, Italy |
| May | | Born | Adam Franciszek Ksawery Rostkowski † | Jeduabnen | Auxiliary Bishop of Lutsk (Łuck), Ukraine |
| Died | Ascanio Ugolini † | Bishop of Muro Lucano, Italy |
| 5 May | 42.3 | Appointed | Stefano Brancaccio † | Titular Archbishop of Hadrianopolis in Haemimonto | Cardinal, Bishop of Viterbo e Tuscania, Italy |
| 37.0 | Appointed | Castracane De’ Castracani † | Bishop of Cagli, Italy |
| 51.3 | Appointed | Girolamo della Rovere † | Bishop of Vercelli, Italy |
| 51.3 | Appointed | Vincenzo Lanfranchi, C.R. † | Bishop of Trivento, Italy | Archbishop of Acerenza e Matera, Italy |
| 47.3 | Appointed | Odoardo Vecchiarelli † | Cardinal, Bishop of Rieti, Italy |
| 7 May | | Born | Hugo František (Franz) von Königsegg-Rothenfels † | Wien | Bishop of Litoměřice, Czech Republic |
| 11 May | 75.4 | Appointed | Christophorus Johannes Reinheld von Reichenau † | Prefect of Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany |
| 15 May | 25.7 | Ordained Priest | Anselm Franz von Ingelheim † | Priest of Mainz, Germany | Archbishop |
| 17 May | 51.4 | Ordained Bishop | Vincenzo Lanfranchi, C.R. † | Bishop of Trivento, Italy | Archbishop of Acerenza e Matera, Italy |
| 21 May | 45.2 | Appointed | Antonio Pignatelli del Rastrello † | Apostolic Nuncio to Poland | Pope (Roma {Rome}, Italy) |
| Jun | 64.4 | Died | Benedek Kisdy † | Bishop of Eger, Hungary |
| 6 Jun | 47.4 | Ordained Bishop | Odoardo Vecchiarelli † | Cardinal, Bishop of Rieti, Italy |
| 7 Jun | 29.1 | Confirmed | Pierre de Bonzi † | Bishop of Béziers, France | Cardinal, Archbishop of Narbonne, France |
| 57.4 | Appointed | Juan Bravo Lasprilla † | Bishop of León, Spain | Bishop of Cartagena (en España) |
| 8 Jun | 63.0 | Appointed | Karel van den Bosch † | Bishop of Gent {Ghent, Gand}, Belgium |
| 9 Jun | 42.4 | Appointed | Stefano Brancaccio † | Apostolic Nuncio to Other | Cardinal, Bishop of Viterbo e Tuscania, Italy |
| Born | Ludwig Anton von Rhein zu Neuburg † | Düsseldorf | Bishop-Elect of Worms, Germany |
| 11 Jun | 36.4 | Ordained Bishop | Pierre Lambert de la Motte, M.E.P. † | Titular Bishop of Berytus | Vicar Apostolic of Cochin {Cocincina}, Viet Nam |
| 16 Jun | | Born | Niccolò del Giudice † | Naples, Italy | Cardinal, Cardinal-Deacon of Santa Maria ad Martyres |
| 21 Jun | 50.5 | Appointed | Francesco Maria Annoni, C.R. † | Bishop of Muro Lucano, Italy |
| 34.8 | Installed | St. Gregorio Giovanni Gasparo Barbarigo † | Cardinal-Priest of San Tommaso in Parione | Cardinal, Bishop of Padova {Padua}, Italy |
| 31.5 | Appointed | Giuseppe Civran † | Bishop of Vicenza, Italy |
| Appointed | José Fageda, O.S.H. † | Bishop of Gerona, Spain | Bishop of Tortosa, Spain |
| Appointed | Andrés Girón † | Bishop of Lugo, Spain | Archbishop of Santiago de Compostela, Spain |
| 50.5 | Appointed | Francesco de Marchi † | Bishop of Krk (Veglia), Croatia |
| Appointed | Francisco Ocampo † | Titular Bishop of Amyclae |
| 25 Jun | 67.7 | Died | Gregorio Panzani, C.O. † | Bishop of Mileto, Italy |
| 26 Jun | | Born | Giovanni Francesco Leoni † | Roma | Bishop of San Severino (Marche), Italy |
| 27 Jun | 50.5 | Ordained Bishop | Francesco Maria Annoni, C.R. † | Bishop of Muro Lucano, Italy |
| 50.5 | Ordained Bishop | Francesco de Marchi † | Bishop of Krk (Veglia), Croatia |
| 29 Jun | 22.9 | Ordained Priest | Giovanni Stefano Sanarica (Senarega), O.S.B. † | Priest of Order of Saint Benedict | Bishop of Conversano, Italy |
| 61.6 | Ordained Bishop | François de Villemontée † | Bishop of Saint-Malo, France |