| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 22.5 | Ordained Priest | Peter Cornelius Beyweg † | Priest of Köln {Cologne}, Germany | Auxiliary Bishop of Speyer, Germany |
| Died | John Brenan † | Archbishop of Cashel, Ireland |
| 55.0 | Appointed | Henri de Briqueville † | Bishop of Cahors, France |
| Died | Domenico Cugia † | Bishop of Ales e Terralba, Italy |
| 39.0 | Appointed | Joachim-Joseph d'Estaing de Saillans † | Bishop of Saint-Flour, France |
| Appointed | Juan Francisco de Padilla y San Martín, O. de M. † | Bishop of Santa Cruz de la Sierra, Bolivia |
| 80.1 | Resigned | Giacomo Franzoni † | Bishop of Camerino, Italy | Cardinal, Bishop Emeritus |
| Appointed | Biagio Gambaro † | Bishop of Telese o Cerreto Sannita, Italy |
| 56.0 | Appointed | Giovanni Battista Giberti † | Bishop of Cava, Italy | Bishop of Fano, Italy |
| 50.0 | Resigned | Jacques de Goyon de Matignon † | Bishop of Condom, France | Bishop Emeritus |
| 53.0 | Confirmed | Armand-Anne-Tristan de La Baume de Suze † | Archbishop of Auch, France |
| Died | Giovan Giorgio Mainardi † | Bishop of Ripatransone, Italy |
| Appointed | Francesco Masones y Nin † | Bishop of Ales e Terralba, Italy |
| 50.0 | Ordained Bishop | Armand de Montmorin de Saint-Hérem † | Bishop of Die, France | Archbishop of Vienne, France |
| Appointed | Giuseppe Migliaccio † | Bishop of Patti, Italy | Archbishop of Messina, Italy |
| Appointed | Innocenzo Milliavacca † | Bishop of Asti, Italy |
| Ordained Bishop | Henri de Nesmond † | Bishop of Montauban, France | Archbishop of Toulouse, France |
| 32.1 | Ordained Priest | Giuseppe Olgiati † | Priest | Bishop Emeritus of Como, Italy |
| Appointed | Pedro de Palacios y Tenorio † | Bishop of Guadix, Spain |
| 24.0 | Ordained Priest | Matthew Pritchard, O.F.M. † | Priest of Order of Friars Minor | Vicar Apostolic Emeritus of Western District, England, Great Britain |
| Appointed | Francesco Protonobilissimo † | Bishop of Trevico, Italy |
| 54.0 | Appointed | John Baptist Sleyne † | Bishop of Cork, Ireland |
| Appointed | Paolo Valaresso † | Bishop of Concordia, Italy |
| Confirmed | Louis-Alphonse de Valbelle † | Bishop of Saint-Omer, France |
| Born | Guillaume-Samuel de Verthamon de Chavagnac † | Limoges | Bishop of Luçon, France |
| Died | Paolo Ximenes † | Archbishop of Trani, Italy |
| Jan | | Ordained Bishop | Pierre-François Beauvau de Rivau † | Bishop of Sarlat, France |
| 2 Jan | 52.6 | Appointed | Otto Wilhelm Reichsgraf von Bronckhorst zu Gronsfeld, S.J. † | Auxiliary Bishop of Osnabrück, Germany |
| 52.6 | Appointed | Otto Wilhelm Reichsgraf von Bronckhorst zu Gronsfeld, S.J. † | Titular Bishop of Columbica | Auxiliary Bishop of Osnabrück, Germany |
| 58.0 | Appointed | Federico Caccia † | Titular Archbishop of Laodicea in Phrygia | Cardinal, Archbishop of Milano {Milan}, Italy |
| 39.9 | Appointed | Timóteo do Sacramento, O.S.P. † | Bishop of São Tomé e Príncipe | Bishop of São Luís do Maranhão, Brazil |
| 4 Jan | 58.0 | Ordained Bishop | Federico Caccia † | Titular Archbishop of Laodicea in Phrygia | Cardinal, Archbishop of Milano {Milan}, Italy |
| 7 Jan | | Died | Marcantonio Tomati † | Bishop of Asti, Italy |
| 76.0 | Died | Federico Visconti † | Cardinal, Archbishop of Milano {Milan}, Italy |
| 14 Jan | | Born | Adeodato Andrea Aldobrandini (Bivignano) † | Arezzo | Bishop of Sansepolcro (Borgo San Sepolcro), Italy |
| 17 Jan | | Born | Giuseppe Ludovico Andujar, O.P. † | Forte di Fuentes | Bishop of Tortona, Italy |
| 20 Jan | | Born | Carlo Francesco Durini † | Milan | Cardinal, Bishop of Pavia, Italy |
| 5 Feb | 66.5 | Died | Karl Franz Neander von Petersheide † | Auxiliary Bishop of Wrocław, Poland |
| 14 Feb | 24.0 | Ordained Priest | Giovanni Romano † | Priest | Bishop of Catanzaro, Italy |
| 1 Mar | 35.8 | Ordained Bishop | Ulrich Freiherr von Federspiel † | Bishop of Chur, Switzerland |
| Born | Hilário de Santa Rosa, O.F.M. † | Lusitania, Portugal | Bishop Emeritus of Macau, China |
| 7 Mar | 25.6 | Ordained Priest | Saverio Ferrari † | Priest | Bishop of Martirano (Martoranum), Italy |
| Born | Carlo della Torre Rezzonico † | Venice | Pope (Roma {Rome}, Italy) |
| 9 Mar | 53.2 | Confirmed | Peter Creagh † | Archbishop of Dublin, Ireland |
| Appointed | Luca Antonio Eustachi † | Bishop of Città di Castello, Italy |
| 47.2 | Confirmed | Peter Anton Gaus von Homberg † | Bishop of Pedena, Austria |
| 42.4 | Appointed | Michelangelo Veraldi † | Bishop of Martirano (Martoranum), Italy |
| 11 Mar | | Born | Pompeo Compagnoni † | Macerata | Bishop of Osimo e Cingoli, Italy |
| 15 Mar | 42.5 | Ordained Bishop | Michelangelo Veraldi † | Bishop of Martirano (Martoranum), Italy |
| 22 Mar | 41.2 | Appointed | David-Nicolas Bertier † | Bishop of Blois, France |
| 26 Mar | | Born | Bartolomeo Antonio Passi † | Pressano | Auxiliary Bishop of Trento, Italy |
| 4 Apr | 47.2 | Ordained Bishop | Peter Anton Gaus von Homberg † | Bishop of Pedena, Austria |
| 7 Apr | | Born | Jean de Caulet † | Toulouse | Bishop of Grenoble, France |
| 12 Apr | | Born | Jean-Baptiste-Antoine de Brancas † | Pernes | Archbishop of Aix, France |
| Appointed | Giuseppe Guerriero de Torres, O.S.A. † | Bishop of Gaeta, Italy |
| 40.2 | Ordained Bishop | Timóteo do Sacramento, O.S.P. † | Bishop of São Tomé e Príncipe | Bishop of São Luís do Maranhão, Brazil |
| 13 Apr | 58.3 | Appointed | Federico Caccia † | Cardinal, Archbishop of Milano {Milan}, Italy |
| 65.7 | Appointed | Martín de Híjar y Mendoza, O.S.A. † | Bishop of Concepción, Chile |
| 20 Apr | 33.1 | Appointed | Andrea Riggio † | Bishop of Catania, Italy |
| 22 Apr | | Died | Henri-Guillaume Le Jay † | Bishop of Cahors, France |
| 24 Apr | 52.9 | Ordained Bishop | Otto Wilhelm Reichsgraf von Bronckhorst zu Gronsfeld, S.J. † | Titular Bishop of Columbica | Auxiliary Bishop of Osnabrück, Germany |
| 30 Apr | | Born | Giuseppe Maria Feroni † | Florence | Cardinal, Cardinal-Priest of S. Cecilia |
| 1 May | | Born | Vincenzo Acqua † | Osimo | Bishop of Spoleto, Italy |
| 16 May | 41.0 | Ordained Priest | Franz Theodor Reichsritter von Guttenberg † | Priest of Augsburg, Germany | Auxiliary Bishop |
| 22.9 | Ordained Priest | Apollonio Lupi, C.R.L. † | Priest of Canons Regular of the Lateran | Titular Bishop of Himeria |
| 18 May | | Died | Giacomo Altoviti † | Titular Patriarch of the Titular See |
| 31.2 | Appointed | Konrad Ferdinand Geist von Wildegg † | Auxiliary Bishop of Konstanz {Constance}, Germany |
| 31.2 | Appointed | Konrad Ferdinand Geist von Wildegg † | Titular Bishop of Tricale | Auxiliary Bishop of Konstanz {Constance}, Germany |
| 20 May | | Died | Louis de Rechignevoisin de Guron † | Bishop of (Saint-Bernard de) Comminges, France |
| 22 May | | Born | Christian Albert Anton von Merle † | Wetzlar | Auxiliary Bishop of Worms, Germany |
| 25 May | | Died | Giuseppe Armenj (Armenius; Armenio) † | Bishop of Teramo, Italy |
| 27 May | | Born | Pedro Felipe de Azúa e Iturgoyen † | Santigao | Archbishop Emeritus of Santafé en Nueva Granada, Colombia |
| 29 May | 76.4 | Died | Jérôme de La Mothe-Houdancourt † | Bishop of Saint-Flour, France |
| 31 May | | Appointed | Jean-François de Brezay (Brizay de Denonville) † | Bishop of (Saint-Bernard de) Comminges, France |
| 3 Jun | | Born | Pedro Miguel Argandoña Pastene Salazar † | Córdoba | Archbishop of La Plata o Charcas, Bolivia |
| 86.8 | Died | Camille de Neufville de Villeroy † | Archbishop of Lyon, France |
| 8 Jun | 33.0 | Confirmed | Ludwig Anton Pfalzgraf von Rhein zu Neuburg † | Bishop of Worms, Germany | Bishop-Elect |
| 18 Jun | 65.5 | Died | Johann Heinrich von Anethan † | Auxiliary Bishop of Köln {Cologne}, Germany |
| 20 Jun | | Born | Luigi d'Alessandro † | Portici | Archbishop of Bari (-Canosa), Italy |
| 21 Jun | | Born | Vito Moio † | Marano | Bishop of Muro Lucano, Italy |
| 22 Jun | | Born | Juan Antonio Pérez Arellano † | Sesma | Auxiliary Bishop of Toledo, Spain |
| 29 Jun | 28.0 | Ordained Priest | François-Gabriel Guisain, M.E.P. † | Priest of La Société des Missions Etrangères | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| Jul | 68.5 | Resigned | Alexander Dunbar Winchester (Winster) † | Prefect of Scotland, Great Britain | Prefect Emeritus |
| 1 Jul | 56.2 | Died | François Deydier, M.E.P. † | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viêt Nam |
| 13 Jul | 74.6 | Died | Johann Konrad von Roggenbach † | Bishop of Basel, Switzerland |
| 69.5 | Succeeded | Wilhelm Jakob Rinck von Balderstein † | Bishop of Basel, Switzerland |
| 20 Jul | 51.8 | Appointed | Francisco Calderón de la Barca Nieto † | Bishop of Salamanca, Spain |
| 22 Jul | 54.6 | Died | Jan Kazimierz Opaliński, O. Cist. † | Bishop of Chelmno (Culma), Poland |
| 31 Jul | 31.4 | Ordained Bishop | Konrad Ferdinand Geist von Wildegg † | Titular Bishop of Tricale | Auxiliary Bishop of Konstanz {Constance}, Germany |
| 4 Aug | 72.1 | Died | Guillaume Le Boux † | Bishop of Périgueux (Vesuna), France |
| 8 Aug | | Born | Nicola Brescia † | Stilo | Bishop of San Marco, Italy |
| 15 Aug | | Born | Mariano Amato † | Napoli | Bishop of Crotone (Cotrone), Italy |
| 21 Aug | | Born | Bernardo Cangiani † | Napoli | Bishop of Boiano, Italy |
| 24 Aug | | Appointed | Leonardo Cassiani † | Bishop of Teramo, Italy |
| Appointed | Giacinot Chiurlia (Chyurlia) † | Bishop of Giovinazzo, Italy |
| Confirmed | António de Saldanha † | Bishop of Portalegre, Portugal | Bishop of Guarda, Portugal |
| 7 Sep | 39.3 | Appointed | Joseph-Ignace de Foresta † | Bishop of Apt, France | Bishop Emeritus |
| 8 Sep | 45.2 | Appointed | Daniel de Francheville † | Bishop of Périgueux (Vesuna), France |
| 63.7 | Appointed | Claude de Saint-Georges † | Archbishop of Lyon, France |
| 47.7 | Appointed | Jean-Baptiste de Verthamon † | Bishop of Pamiers, France |
| 46.7 | Appointed | Mathieu Ysoré d'Hervault † | Bishop of Condom, France | Archbishop of Tours, France |
| 13 Sep | 62.3 | Died | Flavio Chigi (Sr.) † | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 19 Sep | 24.9 | Ordained Priest | Carlo Cosenza † | Priest | Bishop of Vico Equense, Italy |
| 20 Sep | | Ordained Bishop | Leonardo Cassiani † | Bishop of Teramo, Italy |
| Ordained Bishop | Giacinot Chiurlia (Chyurlia) † | Bishop of Giovinazzo, Italy |
| Ordained Bishop | Francesco Protonobilissimo † | Bishop of Trevico, Italy |
| 22 Sep | | Born | Simon Nikolaus Euseb Reichsgraf von Montjoye-Hirsingen † | Hirsingen | Bishop of Basel, Switzerland |
| 28 Sep | 63.2 | Appointed | Nicolò Acciaioli † | Cardinal-Bishop of Frascati | Cardinal, Cardinal-Bishop of Ostia (-Velletri) |
| 62.0 | Appointed | Toussaint de Forbin-Janson † | Cardinal-Priest of S. Callisto | Cardinal, Bishop of Beauvais, France |
| 80.8 | Appointed | Giacomo Franzoni † | Cardinal-Bishop of Porto e Santa Rufina | Cardinal, Bishop Emeritus of Camerino, Italy |
| 2 Oct | 73.8 | Appointed | Kazimierz Szczuka † | Bishop of Chelmno (Culma), Poland |
| 4 Oct | 52.0 | Ordained Bishop | Francisco Calderón de la Barca Nieto † | Bishop of Salamanca, Spain |
| 5 Oct | 46.8 | Confirmed | Charles Le Goux de la Berchère † | Archbishop of Albi, France | Archbishop of Narbonne, France |
| 44.2 | Appointed | Georg Sigismund von Sinnersberg † | Auxiliary Bishop of Trento, Italy |
| 44.2 | Appointed | Georg Sigismund von Sinnersberg † | Titular Bishop of Nicopolis ad Iaterum | Auxiliary Bishop of Trento, Italy |
| 73.8 | Confirmed | Kazimierz Szczuka † | Bishop of Chelmno (Culma), Poland |
| Confirmed | Charles de Villeneuve de Vence † | Bishop of Glandèves, France |
| 9 Oct | 49.4 | Died | Marquard Sebastian Reichsgraf von Schenk von Stauffenberg † | Bishop of Bamberg, Germany |
| 12 Oct | 38.8 | Ordained Bishop | Jean-Baptiste-Armand Bazin de Besons † | Bishop of Aire, France | Archbishop of Rouen, France |
| 53.8 | Confirmed | Jean-Baptiste-Michel Colbert de Saint-Pouange † | Archbishop of Toulouse, France |
| 39.8 | Confirmed | Martin de Ratabon † | Bishop of Ypres (Ieper), Belgium | Bishop Emeritus of Viviers (Aps), France |
| 18 Oct | 55.8 | Ordained Bishop | Henri de Briqueville † | Bishop of Cahors, France |
| 21 Oct | | Died | Giulio Berlendis † | Bishop of Belluno, Italy |
| 23 Oct | 67.4 | Confirmed | Daniel de Cosnac † | Archbishop of Aix, France |
| 28 Oct | 24.0 | Ordained Priest | Bogusław Korwin Gosiewski † | Priest | Bishop of Smoleńsk, Poland |
| 1 Nov | 35.8 | Appointed | Louis Milon † | Bishop of Condom, France |
| 5 Nov | | Born | Miguel Aguiar † | Málaga | Bishop of Ceuta, Spain |
| 8 Nov | 63.3 | Ordained Bishop | Nicolò Acciaioli † | Cardinal-Bishop of Frascati | Cardinal, Cardinal-Bishop of Ostia (-Velletri) |
| 15 Nov | | Ordained Bishop | Jacques-Joseph de Gourgues † | Bishop of Bazas, France |
| Ordained Bishop | Paul-Louis-Philippe de Lézay de Lusignan † | Bishop of Rodez, France |
| 63.9 | Died | Richard Russell † | Bishop of Viseu, Portugal |
| 16 Nov | 38.1 | Appointed | Lothar Franz Reichsgraf von Schönborn † | Bishop of Bamberg, Germany | Archbishop of Mainz, Germany |
| 17 Nov | 46.9 | Appointed | Mathieu Ysoré d'Hervault † | Archbishop of Tours, France |
| 19 Nov | 73.9 | Ordained Bishop | Kazimierz Szczuka † | Bishop of Chelmno (Culma), Poland |
| 22 Nov | 73.7 | Died | Henri-Marie de Laval de Bois-Dauphin † | Bishop of La Rochelle, France |
| 63.9 | Ordained Bishop | Claude de Saint-Georges † | Archbishop of Lyon, France |
| 23 Nov | 45.9 | Confirmed | Augustin de Maupeou † | Bishop of Castres, France | Archbishop of Auch, France |
| Appointed | António Vieira Leitão † | Bishop of Angra, Portugal |
| 24 Nov | | Born | Francesco de Santa Rosa de Viterbo, O.F.M. † | Crato, Portugal | Bishop of Nanking [Nanjing], China |
| 29 Nov | | Ordained Bishop | Jean-Baltazar de Cabanes de Viens † | Bishop of Vence, France |
| 30 Nov | 43.9 | Ordained Bishop | Guillaume Bochart de Champigny † | Bishop of Valence, France |
| 81.6 | Died | Lorenzo Brancati di Lauria, O.F.M. Conv. † | Cardinal, Cardinal-Priest of Ss. XII Apostoli |
| 6 Dec | | Ordained Bishop | Jean-François de Brezay (Brizay de Denonville) † | Bishop of (Saint-Bernard de) Comminges, France |
| 39.9 | Ordained Bishop | Martin de Ratabon † | Bishop of Ypres (Ieper), Belgium | Bishop Emeritus of Viviers (Aps), France |
| 7 Dec | | Confirmed | Jacques des Maretz † | Bishop of Riez, France | Archbishop of Auch, France |
| 10 Dec | | Born | Niccolò de Rofa (Rosa) † | Napoli | Bishop of Pozzuoli, Italy |
| 19 Dec | 23.0 | Ordained Priest | Giuseppe Maria Perrimezzi, O.M. † | Priest of Minimi | Bishop Emeritus of Oppido Mamertina, Italy |
| 22 Dec | 55.6 | Appointed | Carlo Bichi † | Cardinal, Cardinal-Deacon of S. Agata de’ Goti |
| 50.0 | Appointed | Carlo Giuseppe Morozzo, O. Cist. † | Bishop of Bobbio, Italy | Bishop of Saluzzo, Italy |
| 40.7 | Appointed | Benedetto Pamphilj † | Cardinal-Deacon of S. Maria in Via Lata | Cardinal, Librarian of the Vatican Library |
| 54.0 | Appointed | Urbano Sacchetti † | Cardinal-Priest of S. Bernardo alle Terme | Cardinal, Bishop Emeritus of Viterbo e Tuscania, Italy |
| 24 Dec | 39.3 | Appointed | Charles-Madeleine Frézeau de Frèzelière † | Bishop of La Rochelle, France |
| 27 Dec | 73.0 | Died | Henri de Villars † | Archbishop of Vienne, France |