| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Born | Jean-Jacques Bouhier de Lantenay † | Dijon | Bishop Emeritus of Dijon, France |
| Appointed | Gonzalo Bravo de Grajera † | Bishop of Palencia, Spain | Bishop of Coria, Spain |
| Died | Tommaso Caracciolo, C.R. † | Archbishop of Taranto, Italy |
| Born | Pedro de la Concepcion Urtiaga, O.F.M. † | Queretaro | Bishop of Puerto Rico (Porto Rico) |
| Appointed | Jaime de Copons y de Tamarit † | Bishop of Vic, Spain | Bishop of Lérida, Spain |
| Born | Antoine Fagon † | Paris | Bishop of Vannes, France |
| Born | Juan Fernández Zapata † | San Pedro Manrique | Bishop of León, Spain |
| Born | Jean François Fouquet, S.J. † | Aeduen | Titular Bishop of Eleutheropolis in Macedonia |
| Born | Juan Benito Garret y Arlovi, O. Praem. † | Agramunt, Spain | Bishop of Nicaragua |
| Died | Johann Gobar † | Auxiliary Bishop of Olomouc (Olmütz), Czech Republic |
| Born | José Antonio Jaspe Montenegro † | La Coruña | Auxiliary Bishop of Santiago de Compostela, Spain |
| Born | Juan de Las Peñas † | Madrid | Auxiliary Bishop of Cuenca, Spain |
| 35.0 | Ordained Bishop | Melchor de Liñán y Cisneros † | Bishop of Santa Marta, Colombia | Archbishop of Lima, Peru |
| Died | Juan Merlo de la Fuente † | Bishop of Comayagua, Honduras |
| 42.5 | Ordained Priest | Karl Heinrich von Metternich-Winneburg † | Priest of Mainz, Germany | Archbishop-Elect |
| Died | Paolo Vincenzo Roero, B. † | Bishop of Asti, Italy |
| Born | Luis Francisco Romero † | Alcobendas, Spain | Archbishop of La Plata o Charcas, Bolivia |
| 33.0 | Appointed | Ambrosio Ignacio Spínola y Guzmán † | Bishop of Oviedo, Spain | Archbishop of Sevilla {Seville}, Spain |
| 70.8 | Resigned | Giacomo Theodoli (Teodolo) † | Bishop of Forli, Italy | Bishop Emeritus |
| 22.4 | Ordained Priest | Johann Friedrich von Waldstein † | Priest of Olomouc (Olmütz), Czech Republic | Archbishop of Praha {Prague}, Czech Republic |
| Born | Pawel Antoni Załuski † | Krakow | Auxiliary Bishop of Płock, Poland |
| 4 Jan | 51.7 | Ordained Bishop | Juan López, O.P. † | Bishop of Cebu, Philippines | Archbishop of Manila, Philippines |
| 12 Jan | | Appointed | Claude Joly † | Bishop of Agen, France |
| 31.8 | Confirmed | Pierre-Jean-François Percin de Montgaillard † | Bishop of Saint-Pons-de-Thomières, France |
| 57.4 | Confirmed | Sebastian Ignaz von Rostock † | Bishop of Wrocław (Breslau), Poland |
| 35.4 | Confirmed | Wenzeslaus von Thun † | Bishop of Passau, Germany |
| 30.1 | Appointed | Pietro de Torres † | Archbishop of Dubrovnik (Ragusa), Croatia | Archbishop of Trani, Italy |
| 17 Jan | | Died | Giacondo Turamini † | Bishop of Pienza, Italy |
| 21 Jan | 51.4 | Died | Baccio Aldobrandini † | Cardinal, Cardinal-Priest of Santi Nereo ed Achilleo |
| 24 Jan | 74.1 | Died | Marco Antonio Tomati † | Bishop Emeritus of Bitetto, France |
| 31 Jan | | Born | James Gordon † | Glastirum, Enzie, Banffshire | Vicar Apostolic of Lowland District, Scotland, Great Britain |
| Feb | | Born | Bartolomeo Fargna † | Civitate Plebis | Titular Bishop of Emmaüs |
| 13 Feb | | Born | François-Armand de Lorraine † | Paris | Bishop of Bayeux, France |
| 15 Feb | | Born | Franz Joseph Supersaxo † | Sion | Bishop of Sion {Sitten}, Switzerland |
| 23 Feb | | Appointed | Diego Riquelme y Quirós † | Bishop of Plasencia, Spain | Bishop Emeritus |
| 24 Feb | 17.1 | Professed | Michael Angelus Farfulfi, O.F.M. † | Member of Order of Friars Minor | Bishop of Trogir (Traù), Croatia |
| 28 Feb | 24.1 | Ordained Priest | Giuseppe Guerriero de Torres, O.S.A. † | Priest of Order of St. Augustine | Bishop of Gaeta, Italy |
| 1 Mar | | Ordained Bishop | Martin Prats † | Bishop of Ypres (Ieper), Belgium |
| 3 Mar | 42.3 | Appointed | Maximilian Gandolf von Kuenburg † | Bishop of Seckau, Austria | Cardinal, Archbishop of Salzburg, Austria |
| 15 Mar | 46.5 | Ordained Bishop | Matthäus Ferdinand Sobek von Bilenberg, O.S.B. † | Bishop of Hradec Králové, Czech Republic | Archbishop of Praha {Prague}, Czech Republic |
| 16 Mar | 42.4 | Appointed | Bartolomé García Jiménez † | Bishop of Islas Canarias {Canary Islands}, Spain |
| 19 Mar | 34.2 | Ordained Priest | Giuseppe Pianetti † | Priest | Bishop of Todi, Italy |
| 29 Mar | 83.2 | Died | Luis Camargo Pacheco † | Auxiliary Bishop of Sevilla {Seville}, Spain |
| Apr | 64.3 | Died | Wojciech Pilchowicz † | Auxiliary Bishop of Warmia (Ermland), Poland |
| 3 Apr | 37.3 | Appointed | Sebastian von Pötting-Persing † | Bishop of Lavant, Slovenia | Bishop of Passau, Germany |
| 4 Apr | 23.0 | Ordained Priest | Domenico Morelli † | Priest | Bishop of Lucera, Italy |
| 21.3 | Ordained Priest | Giovanni Battista Visconti Aicardi, B. † | Priest of Clerics Regular of St. Paul | Bishop of Novara, Italy |
| 5 Apr | 67.9 | Died | Karel van den Bosch † | Bishop of Gent {Ghent, Gand}, Belgium |
| 12 Apr | 57.6 | Ordained Bishop | Sebastian Ignaz von Rostock † | Bishop of Wrocław (Breslau), Poland |
| 13 Apr | 51.3 | Appointed | Hieronymi Andreis † | Bishop of Korčula (Curzola, Cursola), Croatia |
| 72.3 | Appointed | Enrique Peralta y Cárdenas † | Archbishop of Burgos, Spain |
| 61.3 | Appointed | Camillo Ragona † | Bishop of Capaccio, Italy |
| 59.3 | Appointed | Tommaso de Sarria, O.P. † | Archbishop of Taranto, Italy |
| 38.3 | Appointed | Francesco Tirotta † | Bishop of Squillace, Italy |
| 36.5 | Appointed | Cesare Ugolini † | Bishop of Grosseto, Italy |
| 15 Apr | 53.3 | Installed | Carlo Bonelli † | Cardinal, Cardinal-Priest of Sant’Anastasia |
| 19 Apr | 97.7 | Canonized | St. François de Sales † | Bishop of Genève {Geneva}, Switzerland |
| Ordained Bishop | Johann Kaspar Kühner † | Titular Bishop of Centuria | Auxiliary Bishop of Freising, Germany |
| 38.3 | Ordained Bishop | Francesco Tirotta † | Bishop of Squillace, Italy |
| 22 Apr | 34.3 | Confirmed | Armand de Béthune † | Bishop of Le Puy-en-Velay, France |
| 61.5 | Appointed | Michelangelo Bonadies, O.F.M. † | Bishop of Catania, Italy |
| 60.3 | Confirmed | Jean de Montpezat de Carbon † | Archbishop of Bourges, France | Archbishop of Sens, France |
| Appointed | Havryil Kolenda † | Archbishop of Kyiv-Halyč {Kiev} (Ruthenian), Ukraine |
| 40.3 | Appointed | Giovanni Battista Spínola † | Bishop of Luni e Sarzana, Italy | Archbishop of Genova, Italy |
| 24 Apr | 37.3 | Ordained Bishop | Sebastian von Pötting-Persing † | Bishop of Lavant, Slovenia | Bishop of Passau, Germany |
| 25 Apr | 80.3 | Died | Christophorus Johannes Reinheld von Reichenau † | Prefect of Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany |
| May | 31.3 | Ordained Bishop | Onofrio Costantini † | Titular Archbishop of Derbe |
| 3 May | 61.5 | Ordained Bishop | Michelangelo Bonadies, O.F.M. † | Bishop of Catania, Italy |
| 17 May | 41.4 | Died | Jerzy Baiłłozor † | Bishop of Vilnius, Lithuania |
| 24.0 | Ordained Priest | Leonardo Marsili † | Priest | Archbishop of Siena, Italy |
| 20 May | 64.4 | Died | Alphonse d’Elbène † | Bishop of Orléans, France |
| 24 May | 28.6 | Selected | Pierre-Armand du Camboust de Coislin † | Cardinal, Bishop of Orléans, France |
| 28 May | 34.5 | Resigned | Sigmund Franz von Österreich † | Bishop of Augsburg, Germany | Bishop Emeritus |
| 34.5 | Resigned | Sigmund Franz von Österreich † | Bishop of Gurk, Austria | Bishop Emeritus of Augsburg, Germany |
| 34.5 | Resigned | Sigmund Franz von Österreich † | Bishop of Trento, Italy | Bishop Emeritus of Augsburg, Germany |
| 30 May | 23.0 | Ordained Priest | Ambrogio Croce, O.S.B. † | Priest of Order of Saint Benedict | Bishop of Bobbio, Italy |
| Born | Andrea Roberti † | Giffoni Sei Casali | Bishop of Policastro, Italy |
| 31 May | | Ordained Bishop | Daniel Vitus Nastoupil (Nastaupill, Hapstampsel) † | Titular Bishop of Constantina | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| Jun | 54.1 | Resigned | Carlo Carafa della Spina, C.R. † | Bishop of Aversa, Italy | Cardinal, Bishop Emeritus |
| 7 Jun | 22.8 | Ordained Priest | Giovanni Battista Sanudo † | Priest | Bishop of Treviso, Italy |
| 15 Jun | 75.5 | Died | Lazzaro Carafino † | Bishop of Como, Italy |
| 45.5 | Appointed | Antonii Glielmi † | Bishop of Acerno, Italy |
| 70.5 | Appointed | Gerolamo Santolini † | Bishop of Cervia, Italy |
| 23 Jun | | Born | Denis-François Bouthillier de Chavigny † | Paris | Archbishop of Sens, France |
| 25 Jun | 34.6 | Died | Sigmund Franz von Österreich † | Bishop Emeritus of Augsburg, Germany |
| 26 Jun | | Died | Acacio March de Velasco, O.P. † | Bishop of Orihuela, Spain |
| 28 Jun | 42.3 | Confirmed | Karl von Liechtenstein-Kastelkorn † | Bishop of Olomouc (Olmütz), Czech Republic |
| Jul | | Born | François-Gabriel Guisain, M.E.P. † | Paris, France | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viet Nam |
| 4 Jul | 52.5 | Appointed | Peter Franz Longinus von Kieferberg † | Prefect of Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany |
| 6 Jul | | Appointed | Antonio Agustín, O.S.H. † | Bishop of Albarracin, Spain |
| 37.5 | Appointed | Johann Heinrich von Anethan † | Auxiliary Bishop of Hildesheim, Germany | Auxiliary Bishop of Köln {Cologne}, Germany |
| 37.5 | Appointed | Johann Heinrich von Anethan † | Titular Bishop of Hierapolis in Isauria | Auxiliary Bishop of Köln {Cologne}, Germany |
| 39.8 | Appointed | Federico Baldeschi (Ubaldi) Colonna † | Titular Archbishop of Caesarea in Cappadocia | Cardinal, Prefect of the Congregation of the Council |
| Appointed | Paolo Carafa, C.R. † | Bishop of Aversa, Italy |
| 56.5 | Appointed | Diegue della Chiesa † | Bishop of Nice, France |
| 47.5 | Appointed | Baltasar Valdés y Noriega † | Bishop of Gaeta, Italy |
| Appointed | Francisco Verdín y Molina † | Bishop of Guadalajara, Jalisco, México | Bishop of Michoacán, México |
| 7 Jul | | Born | Alessandro Francesco Codebò † | Bononien | Bishop of Città di Castello, Italy |
| 9 Jul | 35.5 | Appointed | Niccolo Pietro Bargellini † | Titular Archbishop of Thebae | Titular Patriarch of Jerusalem {Gerusalemme}, Palestine |
| 10 Jul | 53.2 | Appointed | Giulio Spinola † | Apostolic Nuncio to Austria | Cardinal, Bishop Emeritus of Lucca, Italy |
| 12 Jul | 34.5 | Ordained Bishop | Armand de Béthune † | Bishop of Le Puy-en-Velay, France |
| 32.3 | Ordained Bishop | Pierre-Jean-François Percin de Montgaillard † | Bishop of Saint-Pons-de-Thomières, France |
| 14 Jul | | Died | Diego Sersale † | Archbishop of Bari (-Canosa), Italy |
| 15 Jul | 39.9 | Appointed | Federico Baldeschi (Ubaldi) Colonna † | Apostolic Nuncio to Switzerland | Cardinal, Prefect of the Congregation of the Council |
| 18 Jul | 80.2 | Died | Diego Arce Reinoso † | Bishop Emeritus of Plasencia, Spain |
| 19 Jul | 24.0 | Ordained Priest | Venantius Simi, O.S.B. † | Priest of Order of Saint Benedict | Auxiliary Bishop Emeritus of Sabina, Italy |
| 24 Jul | 27.6 | Selected | Armand de Monchy d’Hocquincourt † | Bishop of Verdun, France |
| 28 Jul | | Born | Wilhelm Hermann Ignaz Ferdinand von Wolf-Metternich zu Gracht † | | Auxiliary Bishop of Münster, Germany |
| 30 Jul | | Died | Pietro Mariani † | Bishop of Senj (-Modruš), Croatia |
| 10 Aug | 36.0 | Appointed | Wenzeslaus von Thun † | Bishop of Gurk, Austria | Bishop of Passau, Germany |
| 16 Aug | 28.8 | Ordained Priest | Pierre-Armand du Camboust de Coislin † | Priest of Paris, France | Cardinal, Bishop of Orléans, France |
| 18 Aug | 48.9 | Selected | Johann Christoph von Freyberg-Allmendingen † | Bishop of Augsburg, Germany |
| 71.6 | Resigned | Kaspar Zeiler † | Apostolic Administrator of Augsburg, Germany | Auxiliary Bishop |
| 20 Aug | 48.2 | Resigned | Federico Borromeo (Jr.) † | Apostolic Nuncio to Switzerland | Cardinal, Secretary of the Secretariat of State |
| 28 Aug | | Born | Giuseppe Antonio Davanzati † | Baren | Archbishop of Trani, Italy |
| Sep | | Born | Giacomo Falconi † | Civitate Ducali | Bishop of Caiazzo, Italy |
| Died | Angelo Mausoni † | Bishop of Teramo, Italy |
| Died | Giuseppe Protospatario † | Bishop of Boiano, Italy |
| 2 Sep | 74.8 | Died | Juan Alonso de Cuevas y Davaols † | Archbishop of México, Federal District |
| 5 Sep | 33.7 | Selected | Jean-Baptiste de Sade † | Bishop of Cavaillon, France |
| 9 Sep | 33.7 | Selected | Ivan Smolianović (Szmolianovich) † | Bishop of Senj (-Modruš), Croatia |
| 12 Sep | | Born | Nicolò Tupputi † | Barletta | Bishop of Nusco, Italy |
| 13 Sep | | Born | Antonfelice Zondadari † | Siena, Italy | Cardinal, Cardinal-Priest of Santa Prassede |
| 17 Sep | 76.5 | Died | Baltasar Moscoso y Sandoval † | Cardinal, Archbishop of Toledo, Spain |
| 19 Sep | 25.0 | Ordained Priest | Ettore Algaria † | Priest | Bishop of Patti, Italy |
| 23.7 | Ordained Priest | Carolus de Tilly † | Priest | Bishop of Monopoli, Italy |
| 21 Sep | 37.7 | Ordained Bishop | Johann Heinrich von Anethan † | Titular Bishop of Hierapolis in Isauria | Auxiliary Bishop of Köln {Cologne}, Germany |
| 22 Sep | | Born | François-Elie de Voyer de Paulmy d’Argenson † | Paris | Archbishop of Bordeaux, France |
| 28 Sep | 50.7 | Confirmed | Joseph de Montpezat de Carbon † | Bishop of Saint-Papoul, France | Archbishop of Toulouse, France |
| Appointed | Gaspard de Lascaris † | Bishop of Carpentras, France |
| 3 Oct | | Born | Jean du Doucet (Dousset) † | Cussac | Bishop of Belley, France |
| 4 Oct | | Born | Francesco Acquaviva d’Aragona † | Naples, Italy | Cardinal, Cardinal-Bishop of Sabina |
| Ordained Bishop | Gaspard de Lascaris † | Bishop of Carpentras, France |
| 8 Oct | | Died | Antonio de Matteis Corano † | Bishop of Sarno, Italy |
| 14 Oct | | Born | Filippo Meda † | Mediolanen | Bishop of Conversano, Italy |
| 15 Oct | 78.8 | Died | Gaspar de Villarroel, O.S.A. † | Archbishop of La Plata o Charcas, Bolivia |
| 18 Oct | | Born | Raimundo Rubí, O. Cart. † | Barcelona, Spain | Bishop of Catania, Italy |
| 24 Oct | | Born | Miguel Esteban Pérez Estremera, O.S. † | Toledo, Spain | Titular Bishop of Danaba |
| 26 Oct | | Born | Philipp Karl von Eltz zu Kempenich † | Eltz | Archbishop of Mainz, Germany |
| Born | Joannes Bapt. Laghi, C.R.S. † | Venice | Archbishop of Split (Spalato), Croatia |
| Nov | 52.3 | Died | Gabriele Tontoli † | Bishop of Ruvo (Ruo)(di Puglia), Italy |
| Born | Otto János Teofil Tóth (von Volkra) † | Viennae | Bishop of Veszprém, Hungary |
| 2 Nov | 68.8 | Died | Paolo Brizio, O.F.M. † | Bishop of Alba (Pompea), Italy |
| 4 Nov | | Born | Carlo Colonna † | Rome, Italy | Cardinal, Cardinal-Deacon of Sant’Agata de’ Goti |
| 11 Nov | | Appointed | Giovanni Checconi † | Bishop of Pienza, Italy |
| 67.0 | Appointed | Ernst Adalbert von Harrach zu Rohrau † | Bishop of Trento, Italy | Cardinal, Archbishop of Praha {Prague}, Czech Republic |
| 21 Nov | | Died | Daniel Vitus Nastoupil (Nastaupill, Hapstampsel) † | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 29 Nov | | Born | Fortunato Morosini, O.S.B. † | Venezia | Bishop of Brescia, Italy |
| Dec | | Born | Gavino di Aquena † | Calaritan | Bishop of Bosa, Italy |
| 3 Dec | 51.9 | Died | Eustache Le Clerc de Lesseville † | Bishop of Coutances, France |
| 7 Dec | 50.9 | Appointed | Jean-Albert Belin, O.S.B. † | Bishop of Belley, France |
| 56.9 | Appointed | Vincenzo Lanfranchi, C.R. † | Archbishop of Acerenza e Matera, Italy |
| Appointed | György Széchényi † | Bishop of Győr (Raab), Hungary | Archbishop of Esztergom, Hungary |
| 19 Dec | 25.2 | Ordained Priest | François Genet † | Priest | Bishop of Vaison, France |
| 24.2 | Ordained Priest | Giaconto Tuartkovich, O.F.M. † | Priest of Order of Friars Minor | Bishop of Stagno (Ston), Croatia |
| 27 Dec | 51.0 | Ordained Bishop | Joseph de Montpezat de Carbon † | Bishop of Saint-Papoul, France | Archbishop of Toulouse, France |