| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Born | Joseph-François Bocaud (Boucaud) † | | Bishop of Alet, France |
| Born | Anne-François-Guillaume du Cambout-Beçay † | | Bishop of Tarbes, France |
| 47.0 | Died | Fulvio Crivelli (Cribelli) † | Bishop of Tricarico, Italy |
| Appointed | Athanasius Dabbas † | Patriarch of Antiochia {Antioch} (Melkite Greek), Syria |
| Born | François d’Andigné † | | Bishop of Acqs (Dax), France |
| Born | Michel Pierre d’Argouges † | | Bishop of Périgueux (Vesuna), France |
| Born | Francisco José de Figueredo y Victoria † | | Archbishop of Guatemala |
| Born | Jérôme-Louis de Foudras de Courcenay † | | Bishop of Poitiers, France |
| 62.0 | Selected | Ján Gubasóczy (Gubašóci) † | Archbishop of Kalocsa, Hungary | Bishop of Nitra, Slovakia |
| Born | Thomas O’Beirne † | | Bishop of Ardagh (and Clonmacnois), Ireland |
| 68.0 | Died | Marziale Pellegrino, O.F.M. Conv. † | Titular Archbishop of Nazareth |
| 47.0 | Appointed | Athanasius Safar † | Bishop of Mardin (Syrian), Turkey |
| 47.0 | Ordained Bishop | Athanasius Safar † | Bishop of Mardin (Syrian), Turkey |
| 24.0 | Ordained Priest | Johann Werner Schnatz † | Priest of Bamberg, Germany | Auxiliary Bishop |
| 21.9 | Ordained Priest | Emanuele Spinelli d’Acquaro, C.R. † | Priest of Congregation of Clerics Regular | Bishop of Catanzaro, Italy |
| 48.0 | Resigned | Andrea Arcadio Stanila † | Bishop | Titular Bishop of Colonia in Armenia |
| Born | Francis Stuart, O.F.M. † | | Bishop of Down and Connor, Ireland |
| 34.0 | Appointed | Meletio Tipaldi † | Archbishop of Philadelphia, Turkey |
| 34.0 | Ordained Bishop | Meletio Tipaldi † | Archbishop of Philadelphia, Turkey |
| 28.0 | Ordained Priest | Guillaume Tual † | Priest of Strasbourg, France | Auxiliary Bishop |
| 30.0 | Ordained Priest | Oxendios Verzar (Werczireski) † | Priest | Titular Bishop of the Titular See |
| 66.0 | Died | Stanisław Wojeński † | Bishop of Kamyanets-Podilskyi (Kamieniec), Ukraine |
| 41.0 | Ordained Priest | Sigmund Ignaz von Wolkenstein-Trostburg † | Priest of Salzburg, Austria | Bishop of Chiemsee, Germany |
| 1 Jan | 70.0 | Died | Juan Molino Navarrete, O.F.M. † | Bishop of Palencia, Spain |
| 4 Jan | 68.0 | Died | Luis de Pons y de Esquerrer, O.S.B. † | Bishop of Solsona, Spain |
| 62.6 | Died | Mauro Promontorio, O.S.B. † | Bishop of Ventimiglia, Italy |
| 5 Jan | 65.3 | Died | Luigi de Filippi, O.P. † | Bishop of Potenza, Italy |
| 10 Jan | 89.7 | Died | György Szelepcsényi † | Archbishop of Esztergom, Hungary |
| 12 Jan | 46.0 | Appointed | Felice Rospigliosi † | Cardinal-Deacon of Sant’Eustachio | Cardinal, Cardinal-Deacon of Sant’Agata de’ Goti |
| 14 Jan | 24.0 | Ordained Priest | Paolino Sandulli, O.S.B. † | Priest of Order of Saint Benedict | Titular Bishop of Castoria |
| Born | Ignazio Stelluti † | | Bishop of Macerata e Tolentino, Italy |
| 15 Jan | 43.9 | Appointed | Giuseppe Sallustio Fadulfi † | Bishop of Ascoli Piceno, Italy |
| 33.0 | Confirmed | Juan Morillo Velarde † | Archbishop of Sassari, Italy |
| 41.0 | Confirmed | Antonio Pascual † | Bishop of Vic, Spain |
| 48.1 | Appointed | Mikołaj Popławski † | Bishop of Inflanty (Livonia)-Pilten, Poland | Archbishop of Lviv, Ukraine |
| 24.8 | Ordained Priest | Andreas Riggio † | Priest | Bishop of Catania, Italy |
| 18 Jan | 79.4 | Died | Marquard von Schenk von Castell † | Bishop of Eichstätt, Germany |
| 19 Jan | | Born | José Francisco Magdaleno † | | Bishop of Coria, Spain |
| 21 Jan | 22.9 | Ordained Deacon | Konrad Ferdinand Geist von Wildegg † | Deacon of Konstanz {Constance}, Germany | Auxiliary Bishop |
| 23 Jan | 65.0 | Died | Pavao Zorčić, O.S.B.M. † | Vicar Apostolic of Valachia (Križevci), Croatia |
| 24 Jan | 51.0 | Selected | Francisco de Figueroa, O.S.A. † | Bishop of Tropea, Italy |
| Born | Giuseppe Alessandro Furietti † | | Cardinal, Cardinal-Priest of Santi Quirico e Giulitta |
| 30 Jan | 77.8 | Died | Innico Caracciolo (Sr.) † | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 31 Jan | | Born | Girolamo de Bardi † | | Cardinal, Cardinal-Deacon of Santa Maria degli Angeli |
| Feb | 71.2 | Died | Joannes Lucidus Cataneo † | Bishop of Mantova, Italy |
| 1 Feb | | Born | Francesco Maria Alberici † | | Bishop of Foligno, Italy |
| 57.0 | Died | João dos Prazeres, O.F.M. † | Bishop of Angra, Portugal |
| 2 Feb | | Born | Amand von Buseck, O.S.B. † | | Bishop of Fulda, Germany |
| 5 Feb | 41.3 | Appointed | Angelo Cerasi † | Bishop of Bovino, Italy |
| 65.0 | Appointed | Girolamo Compagnone † | Archbishop of Rossano, Italy |
| 55.0 | Selected | Antonio Medina Cachón y Ponce de León † | Bishop of Cartagena (en España) |
| 7 Feb | | Born | Pierre-François Lafitau † | | Bishop of Sisteron, France |
| 11 Feb | 41.3 | Ordained Bishop | Angelo Cerasi † | Bishop of Bovino, Italy |
| 65.0 | Ordained Bishop | Girolamo Compagnone † | Archbishop of Rossano, Italy |
| 14 Feb | 45.1 | Selected | Andrés de Angulo † | Bishop of Segovia, Spain |
| 25 Feb | 48.2 | Ordained Bishop | Mikołaj Popławski † | Bishop of Inflanty (Livonia)-Pilten, Poland | Archbishop of Lviv, Ukraine |
| 28 Feb | 62.6 | Died | Emerich (Johann Anton) Sinelli, O.F.M. Cap. † | Bishop of Wien, Austria |
| Mar | 51.1 | Died | Giovanni Riccanale † | Bishop of Boiano, Italy |
| 64.0 | Died | Andrea Tamantini † | Bishop of Cagli, Italy |
| 3 Mar | | Died | János Kéry, O.S.P.P.E. † | Bishop of Vác, Hungary |
| 7 Mar | 33.1 | Ordained Bishop | Juan Morillo Velarde † | Archbishop of Sassari, Italy |
| 11 Mar | | Born | Casimiro Rossi † | | Archbishop of Salerno, Italy |
| 13 Mar | 42.7 | Died | Louis-Alphonse de Suarès † | Bishop of Vaison, France |
| 59.9 | Selected | Johann Euchar von Schenk von Castell † | Bishop of Eichstätt, Germany |
| 17 Mar | 25.2 | Ordained Deacon | Charles d’Espinoza, O.F.M. Cap. † | Deacon of Order of Friars Minor Capuchin | Bishop of Antwerpen {Antwerp, Anvers}, Belgium |
| 23.1 | Ordained Deacon | Antonius Dominikus von Wolkenstein-Trostburg † | Deacon of Trento, Italy | Bishop |
| 21 Mar | | Born | Ferdinando Agostino Bernabei, O.P. † | | Bishop of Osimo e Cingoli, Italy |
| 23 Mar | 51.2 | Selected | Ernst von Trautson zu Falkenstein † | Bishop of Wien, Austria |
| 25 Mar | | Born | João Luis Vasconcellos, S.J. † | | Archbishop of Cranganore (Angamala), India |
| 61.2 | Ordained Bishop | Gregorius Jacobus Pastrana † | Bishop of Santa Marta, Colombia |
| 26 Mar | 61.2 | Appointed | Giovanni Battista Nepita † | Bishop of Massa Lubrense, Italy |
| 58.0 | Appointed | Antonio Papa † | Bishop of San Marco (Argentano), Italy |
| 29 Mar | | Born | Pietro Alessandro Francesco Rovèro di Cortanze, O.F.M. Cap. † | | Bishop of Novara, Italy |
| Apr | 31.3 | Selected | Jean-Baptiste de la Croix Chevrière de St. Vallier † | Bishop of Québec, Canada |
| 4 Apr | 47.2 | Selected | Diego Evelino Hurtado de Compostela (Vélez) † | Bishop of Santiago de Cuba |
| 7 Apr | 24.1 | Ordained Priest | Cesare Francesco Lucini, O.P. † | Priest of Order of Friars Preachers | Bishop of Gravina (di Puglia), Italy |
| 8 Apr | 69.2 | Died | Girolamo Gastaldi † | Cardinal, Archbishop of Benevento, Italy |
| 70.2 | Ordained Bishop | Gregory (Grégoire) Luo Wenzao (Lou, López), O.P. † | Titular Bishop of Basilinopolis | Bishop of Nanking [Nanjing], China |
| 55.2 | Confirmed | Antonio Medina Cachón y Ponce de León † | Bishop of Cartagena (en España) |
| 31.5 | Ordained Deacon | Giovanni Andrea Monreale † | Deacon | Archbishop of Reggio Calabria, Italy |
| 9 Apr | 45.2 | Confirmed | Andrés de Angulo † | Bishop of Segovia, Spain |
| 53.7 | Appointed | Giovanni Battista Antici † | Bishop of Amelia, Italy |
| 59.6 | Appointed | Federico Baldeschi (Ubaldi) Colonna † | Cardinal-Priest of Sant’Anastasia | Cardinal, Prefect of the Congregation of the Council |
| 58.4 | Appointed | Luís da Silva Teles, O.SS.T. † | Bishop of Guarda, Portugal | Archbishop of Évora, Portugal |
| 51.2 | Confirmed | Francisco de Figueroa, O.S.A. † | Bishop of Tropea, Italy |
| 63.2 | Appointed | Miguel de Fuentes Blas y Altossano, O. Cist. † | Bishop of Lugo, Spain |
| 48.2 | Appointed | Francesco Juste Giusti † | Bishop of Nepi e Sutri, Italy | Bishop of Camerino, Italy |
| 50.2 | Appointed | Bartolomé González y Poveda † | Archbishop of La Plata o Charcas, Bolivia |
| 50.2 | Confirmed | Antonio Ibáñez de la Riva Herrera † | Bishop of Ceuta, Spain | Archbishop of Zaragoza, Spain |
| 63.2 | Appointed | Aleksander Michał Kotowicz † | Bishop of Vilnius, Lithuania |
| 56.3 | Appointed | Emiddio Lenti † | Bishop of Nocera de’ Pagani, Italy |
| 34.0 | Appointed | Fabrizio Paolucci † | Bishop of Macerata e Tolentino, Italy | Cardinal, Secretary of State |
| 42.1 | Appointed | Ludovicus Sciamanna † | Bishop of Spoleto, Italy |
| 67.2 | Appointed | António de Santa Maria, O.F.M. Ref. † | Bishop of Miranda (do Douro), Portugal |
| 66.0 | Appointed | Pietro Valentini † | Bishop of Sovana (Soana), Italy |
| 14 Apr | | Born | Giovanni Fabrizio de Capua † | | Archbishop of Salerno, Italy |
| 15 Apr | 56.2 | Selected | György Fenessy † | Bishop of Csanád, Hungary | Bishop of Eger, Hungary |
| 36.1 | Selected | Aleksandar Ignacije Mikulić Brokunovečki † | Bishop of Knin (Tinin), Croatia | Bishop of Zagreb (Agram), Croatia |
| 31.5 | Ordained Priest | Giovanni Andrea Monreale † | Priest | Archbishop of Reggio Calabria, Italy |
| 18 Apr | 39.8 | Appointed | Giacomo Cantelmo † | Apostolic Nuncio to Switzerland | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 21 Apr | 24.0 | Ordained Priest | Paolo Stabile, O.M. † | Priest of Order of the Minims | Bishop of Bova, Italy |
| 25.1 | Ordained Deacon | Paolo Vallaresso † | Deacon | Bishop of Concordia (Sagittaria), Italy |
| 23 Apr | 53.7 | Ordained Bishop | Giovanni Battista Antici † | Bishop of Amelia, Italy |
| 56.3 | Ordained Bishop | Emiddio Lenti † | Bishop of Nocera de’ Pagani, Italy |
| 66.1 | Ordained Bishop | Pietro Valentini † | Bishop of Sovana (Soana), Italy |
| 24 Apr | 51.0 | Died | Pier Giulio Delfino † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
| Born | Cosimo Imperiali † | | Cardinal, Cardinal-Priest of Santa Cecilia |
| 26 Apr | 76.3 | Died | Luigi Omodei (Sr.) † | Cardinal, Cardinal-Priest of San Lorenzo in Lucina |
| 28 Apr | 57.3 | Selected | Alfonso Lorenzo de Pedraza, O.M. † | Bishop of Palencia, Spain |
| Died | Francesco Antonio Ricci, O.F.M. Obs. † | Bishop of Bisceglie, Italy |
| Died | Nicolas de Valavoir (Vallavoire) † | Bishop of Riez, France |
| 30 Apr | 56.3 | Appointed | Giuseppe Acorrà † | Archbishop of Oristano, Italy |
| 54.9 | Appointed | Carlo Barberini † | Cardinal-Priest of San Lorenzo in Lucina | Cardinal, Prefect of the Congregation for Propagation of the Faith |
| 36.3 | Appointed | Konstanty Kazimierz Brzostowski † | Bishop of Smoleńsk, Poland | Bishop of Vilnius, Lithuania |
| 51.6 | Appointed | Johann Philipp Burkhard † | Auxiliary Bishop of Speyer, Germany |
| 51.6 | Appointed | Johann Philipp Burkhard † | Titular Bishop of Tripolis in Phoenicia | Auxiliary Bishop of Speyer, Germany |
| 72.4 | Appointed | Giacomo Franzoni † | Cardinal-Priest of Santa Maria della Pace | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 51.6 | Appointed | Franciscus Maria Graffeo, O.F.M. Conv. † | Bishop of Mazara del Vallo, Italy |
| Born | Carlo Ambrogio Mezzabarba † | | Bishop of Lodi, Italy |
| 32.0 | Appointed | Benedetto Pamphilj, O.S.Io.Hieros. † | Cardinal-Deacon of San Cesareo in Palatio | Cardinal, Librarian of the Vatican Library |
| May | 76.5 | Died | José Fageda, O.S.H. † | Bishop of Tortosa, Spain |
| 1 May | 22.9 | Ordained Priest | Flaminio Dondi, O.F.M. Obs. † | Priest of Order of Observant Friars Minor | Bishop of Montefeltro, Italy |
| 6 May | 34.0 | Ordained Bishop | Fabrizio Paolucci † | Bishop of Macerata e Tolentino, Italy | Cardinal, Secretary of State |
| 7 May | | Ordained Bishop | Athanasius Dabbas † | Patriarch of Antiochia {Antioch} (Melkite Greek), Syria |
| 12 May | | Born | Antonio Albergotti † | | Titular Bishop of Chalcis in Syria |
| 42.3 | Selected | Manuel de Alba † | Bishop of Solsona, Spain | Bishop of Barcelona, Spain |
| 14 May | 49.5 | Appointed | Filippo Condulmer † | Titular Archbishop of Nazareth |
| 50.1 | Appointed | Giovanni Francesco de Lorenzi † | Bishop of Venosa, Italy |
| Appointed | José de Menezes † | Bishop of Lamego, Portugal | Archbishop of Braga, Portugal |
| 42.4 | Appointed | Giuseppe Mastellone † | Bishop of Sant’Angelo dei Lombardi e Bisaccia, Italy |
| 41.7 | Appointed | Francesco Antonio Punzi † | Bishop of Ascoli Satriano (Puglia), Italy |
| 18 May | 14.9 | Professed | Apollonio Lupi, C.R.L. † | Member of Canons Regular of the Congregation of the Most Holy Saviour of the Lateran | Titular Bishop of Hemeria (Himeria) |
| 19 May | | Born | Neri Maria Corsini † | | Cardinal, Prefect of the Apostolic Signatura |
| 62.9 | Died | Giovanni Battista del Tinto, O. Carm. † | Bishop of Cassano all’Jonio, Italy |
| 20 May | 52.2 | Appointed | Marcello Durazzo † | Apostolic Nuncio to Spain | Cardinal, Bishop of Faenza, Italy |
| 28 May | 42.4 | Died | Agostino Fieschi, C.R. † | Bishop of Accia and Mariana, France |
| Jun | | Born | Gabriel-Florent de Choiseul-Beaupré † | | Bishop of Mende, France |
| 3 Jun | 23.2 | Ordained Priest | Konrad Ferdinand Geist von Wildegg † | Priest of Konstanz {Constance}, Germany | Auxiliary Bishop |
| 4 Jun | 42.9 | Appointed | Simão da Gama † | Bishop of Faro {Algarve}, Portugal | Archbishop of Évora, Portugal |
| 50.9 | Appointed | Antonio de Monroy y Hijar, O.P. † | Archbishop of Santiago de Compostela, Spain |
| 47.4 | Confirmed | Diego Evelino Hurtado de Compostela (Vélez) † | Bishop of Santiago de Cuba |
| 11 Jun | 50.9 | Ordained Bishop | Antonio de Monroy y Hijar, O.P. † | Archbishop of Santiago de Compostela, Spain |
| 12 Jun | 77.4 | Died | Jean d’Estrade † | Bishop Emeritus of Condom, France |
| Born | Juan Bravo del Rivero y Correa † | | Bishop of Arequipa, Peru |
| 16 Jun | 24.1 | Ordained Priest | Francisco Dorda, O. Cist. † | Priest of Order of Cistercians | Bishop of Solsona, Spain |
| 22.9 | Ordained Priest | Carlo Maria Mascardi, B. † | Priest of Clerics Regular of St. Paul | Bishop of Ventimiglia, Italy |
| 20 Jun | | Born | Agostino Giannini † | | Bishop of Lettere (-Gragnano), Italy |
| 64.5 | Died | Ludovico Giustiniani, O.S.M. † | Bishop of Assisi, Italy |
| 24 Jun | 34.3 | Ordained Deacon | Francesco Antonio Giattini † | Deacon | Bishop Emeritus of Jesi, Italy |
| 29 Jun | 34.3 | Ordained Priest | Francesco Antonio Giattini † | Priest | Bishop Emeritus of Jesi, Italy |