| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Died | François de Berton de Crillon † | Archbishop of Vienne, France |
| Died | André-Daniel de Beaupoil de Saint-Aulaire † | Bishop of Tulle, France |
| Appointed | Juan Cabero y Toledo † | Bishop of Santa Cruz de la Sierra, Bolivia |
| Appointed | Paul de Chaulnes † | Bishop of Grenoble, France |
| 83.0 | Died | Giovanni Battista Giberti † | Bishop of Fano, Italy |
| Born | Jean Jacques (Johann Jakob) Lantz † | Schlettstadt | Auxiliary Bishop of Strasbourg, France |
| 61.0 | Died | Juan José Llamas Rivas, O. Carm. † | Bishop of Panamá |
| Ordained Bishop | Antonio Maldonado Minoja † | Bishop of Oviedo, Spain |
| Born | Michael Peter MacMahon (McMahon), O.P. † | Limerick | Bishop of Killaloe, Ireland |
| 68.0 | Appointed | Denis Moriarty † | Bishop of Kerry (o Ardfert) e Aghadoe, Ireland |
| 24.0 | Professed | José Vidal de Moctezuma y Tobar, O. de M. † | Member of Order of Our Lady of Mercy | Bishop of Chiapas (Ciudad Real de Chiapas), Chiapas, México |
| Appointed | Bernardo Serrada, O.C. † | Bishop of Panamá | Bishop of Cuzco, Peru |
| Died | Jerónimo Soares † | Bishop of Viseu, Portugal |
| Appointed | Miguel Juan de Taverner y Rubí † | Archbishop of Tarragona, Spain |
| 72.0 | Died | Francisco Zapata Vera y Morales † | Bishop of Zamora, Spain |
| 30 Jan | | Installed | Charles-Fontaine Des Montees † | Bishop of Nevers, France |
| 18 Feb | 23.0 | Ordained Priest | Bonifatius (Giovanni Giuseppe) Cecotti, O.F.M. † | Priest of Order of Friars Minor | Bishop of Pedena, Austria |
| 24 Feb | 48.0 | Resigned | Luis Simões Brandão † | Bishop of Angola e Congo, Angola | Bishop Emeritus |
| 22.1 | Ordained Deacon | Ferdinand Julius Graf von Troyer † | Deacon of Olomouc, Czech Republic | Cardinal, Bishop |
| 26 Feb | | Born | Giovanni Francesco Albani † | Rome | Cardinal, Bishop of Ostia (-Velletri), Italy |
| Mar | 58.6 | Died | Andrea Della Rocca, C.R.L. † | Bishop of Acci and Mariana, France |
| 53.9 | Appointed | Jaime de Mimbela, O.P. † | Bishop of Trujillo, Peru |
| 4 Mar | 60.2 | Appointed | Angel Benito, O.S.B. † | Auxiliary Bishop of Burgos, Spain |
| Appointed | Bartolomé Camacho Madueño † | Bishop of Tortosa, Spain |
| 52.5 | Appointed | Bartolomeu do Pilar, O. Carm. † | Bishop of Belém do Pará, Brazil |
| 64.8 | Appointed | Felipe Antonio Gil Taboada † | Archbishop of Sevilla {Seville}, Spain |
| 54.1 | Appointed | Manuel Santa Maria Salazar † | Bishop of Lugo, Spain |
| 10 Mar | 35.2 | Ordained Bishop | Pierre-François Lafitau † | Bishop of Sisteron, France |
| 16 Mar | 23.0 | Ordained Priest | Ferdinand Joseph Gabriel Graf von Sarnthein † | Priest of Brixen {Bressanone}, Italy | Auxiliary Bishop |
| 17 Mar | 43.7 | Appointed | Giovanni Andrea Tria † | Bishop of Cariati, Italy | Bishop Emeritus of Larino, Italy |
| 20 Mar | 55.2 | Confirmed | Antoine Fagon † | Bishop of Vannes, France |
| 59.2 | Appointed | Manuel a Santa Catharina, O. Carm. † | Bishop of Angola e Congo, Angola |
| Appointed | José del Yermo Santibáñez † | Bishop of Avila, Spain | Archbishop of Santiago de Compostela, Spain |
| 31 Mar | 27.5 | Ordained Priest | Francis Petre † | Priest | Vicar Apostolic of Northern District, England, Great Britain |
| 3 Apr | | Born | Karl Friedrich Freiherr von Zehmen † | Aurach | Auxiliary Bishop of Warmia, Poland |
| 7 Apr | 83.3 | Died | Charles-François de Loménie de Brienne † | Bishop of Coutances, France |
| 14 Apr | 25.5 | Ordained Priest | Sanctus de Inzillo † | Priest | Titular Bishop of Mylasa |
| 15 Apr | | Appointed | Juan Francisco Gómez Calleja † | Bishop of Cartagena, Colombia | Bishop of Popayán, Colombia |
| Appointed | Miguel Herrero Esgueva † | Bishop of Osma, Spain | Archbishop of Santiago de Compostela, Spain |
| 48.3 | Appointed | García Pardiñas Villar de Francos, O. de M. † | Bishop of Tarazona, Spain |
| 23 Apr | 47.4 | Succeeded | Joseph Anton Reichfreiherr von Delmestri von Schönberg † | Bishop of Trieste, Italy |
| 81.7 | Died | Giovanni Francesco Miller † | Bishop of Trieste, Italy |
| 56.3 | Died | Francisco Valero Losa † | Archbishop of Toledo, Spain |
| 30 Apr | 66.1 | Appointed | John Wallace † | Coadjutor Vicar Apostolic of Scotland, Great Britain | Coadjutor Vicar Apostolic of Lowland District, Scotland, Great Britain |
| 66.1 | Appointed | John Wallace † | Titular Bishop of Cyrrhus | Coadjutor Vicar Apostolic of Lowland District, Scotland, Great Britain |
| 12 May | | Ordained Bishop | Bartolomé Camacho Madueño † | Bishop of Tortosa, Spain |
| 34.2 | Ordained Priest | Dominikus Anton Reichsgraf von Thun † | Priest of Trento, Italy | Bishop |
| 26 May | 54.3 | Ordained Bishop | Manuel Santa Maria Salazar † | Bishop of Lugo, Spain |
| 27 May | | Appointed | Tomás Broto Pérez † | Bishop of Solsona, Spain |
| 51.4 | Appointed | Francisco Sánchez Márquez, O.S. † | Bishop of the unknown of Titular See |
| Appointed | Martín Zalayeta Lizarza † | Bishop of León, Spain |
| 28 May | | Born | José Gregorio Alonso de Ortigosa † | Viguera, Logroño, Spain | Bishop Emeritus of Antequera, Oaxaca, México |
| 2 Jun | | Ordained Bishop | Miguel Herrero Esgueva † | Bishop of Osma, Spain | Archbishop of Santiago de Compostela, Spain |
| 6 Jun | | Born | Juan García Ruiz, O.S.A. † | Madridejo, Spain | Bishop of Nueva Caceres, Philippines |
| 9 Jun | 48.4 | Ordained Bishop | García Pardiñas Villar de Francos, O. de M. † | Bishop of Tarazona, Spain |
| 11 Jun | | Born | Philipp Wirich Lorenz Graf von Daun zu Sassenheim und Callenborn † | Wien | Auxiliary Bishop of Passau, Germany |
| 16 Jun | | Born | Agustín de Alvarado y Castillo † | Limpias, Spain | Bishop of Ciudad Rodrigo, Spain |
| Ordained Bishop | José del Yermo Santibáñez † | Bishop of Avila, Spain | Archbishop of Santiago de Compostela, Spain |
| 18 Jun | 71.7 | Died | Manuel Senjust Pagés † | Bishop of Vic, Spain |
| 25 Jun | 24.4 | Ordained Priest | Joseph Benedikt Graf von Rost † | Priest of Chur, Switzerland | Bishop |
| 30 Jun | 60.5 | Ordained Bishop | Angel Benito, O.S.B. † | Auxiliary Bishop of Burgos, Spain |
| 3 Jul | | Appointed | Antonio Maldonado Minoja † | Bishop of Oviedo, Spain |
| 53.6 | Appointed | Francisco Eustaquio Perea Porras † | Archbishop of Granada, Spain |
| 51.6 | Appointed | Felicjan Konstanty Szaniawski † | Bishop of Kraków, Poland |
| 42.5 | Appointed | José Gabriel Zapata Illescas † | Bishop of Zamora, Spain |
| 14 Jul | 25.2 | Ordained Priest | Krzysztof Michal Dobinski † | Priest | Auxiliary Bishop of Gniezno, Poland |
| 59.5 | Ordained Bishop | Manuel a Santa Catharina, O. Carm. † | Bishop of Angola e Congo, Angola |
| 21 Jul | | Born | Juan Domingo González de la Reguera † | Comillas, Spain | Archbishop of Lima, Peru |
| 22 Jul | 56.6 | Appointed | Diego Astorga Céspedes † | Cardinal, Archbishop of Toledo, Spain |
| 50.6 | Appointed | Karol Antoni Szembek † | Bishop of Włocławek, Poland | Archbishop of Gniezno, Poland |
| 25 Jul | 47.5 | Ordained Priest | Johann Philipp Franz Reichsgraf von Schönborn † | Priest of Würzburg, Germany | Bishop |
| Aug | | Born | Francisco Antonio de la Riva Mazo † | Rendo, Spain | Archbishop of Santafé en Nueva Granada, Colombia |
| 1 Aug | | Born | Johann Theodor von Franken-Siersdorf † | Hildesheim | Vicar Apostolic of Upper and Lower Saxony (Hanover), Germany |
| 15 Aug | 43.9 | Ordained Priest | Damian Hugo Philipp Reichsgraf von Schönborn Bushein † | Priest of Speyer, Germany | Cardinal, Bishop |
| 18 Aug | | Ordained Bishop | Martín Zalayeta Lizarza † | Bishop of León, Spain |
| 23 Aug | | Born | Bartolomeu Manoel Mendes dos Reis † | Cercosa | Bishop Emeritus of Mariana, Brazil |
| 24 Aug | 48.4 | Appointed | Andrés de Orbe y Larreátegui † | Bishop of Barcelona, Spain | Archbishop Emeritus of Valencia, Spain |
| 28 Aug | 68.2 | Died | Gaspar Fuster, C.O. † | Archbishop of Sassari, Italy |
| 6 Sep | 60.3 | Died | Hugo František (Franz) von Königsegg-Rothenfels † | Bishop of Litomĕrice, Czech Republic |
| 8 Sep | 51.7 | Ordained Bishop | Francisco Sánchez Márquez, O.S. † | Bishop of the unknown of Titular See |
| 42.7 | Ordained Bishop | José Gabriel Zapata Illescas † | Bishop of Zamora, Spain |
| 14 Sep | 60.2 | Died | Ignaz von Lovina † | Bishop of Wiener Neustadt, Austria |
| 15 Sep | | Ordained Bishop | Tomás Broto Pérez † | Bishop of Solsona, Spain |
| 16 Sep | | Appointed | Pedro Felipe Analso Miranda y Ponce de León † | Bishop of Teruel, Spain |
| 59.4 | Appointed | Juan Montalbán Gómez, O.P. † | Bishop of Plasencia, Spain |
| 55.1 | Appointed | Wilhelm Hermann Ignaz Ferdinand Reichsfreiherr von Wolf-Metternich zu Gracht † | Auxiliary Bishop of Münster, Germany |
| 55.1 | Appointed | Wilhelm Hermann Ignaz Ferdinand Reichsfreiherr von Wolf-Metternich zu Gracht † | Titular Bishop of Ionopolis | Auxiliary Bishop of Münster, Germany |
| 17 Sep | | Born | Francisco de los Ríos y Armengol, O.P. † | Porcuna en Andalucía, Spain | Bishop of Panamá |
| 21 Sep | 66.5 | Ordained Bishop | John Wallace † | Titular Bishop of Cyrrhus | Coadjutor Vicar Apostolic of Lowland District, Scotland, Great Britain |
| 30 Sep | 63.6 | Elevated to Cardinal | Juan Álvaro Cienfuegos Villazón, S.J. † | Cardinal, Archbishop of Monreale, Italy |
| 57.4 | Elevated to Cardinal | Carlos Borja Centellas y Ponce de León † | Cardinal, Patriarch of West Indies, Spain |
| 4 Oct | | Born | Matthias Franz Reichsgraf von Chorinsky † | Patschlawitz | Bishop of Brno, Czech Republic |
| 16 Oct | | Born | Martin Nugk von Lichtenhoff † | Wittichenau | Prefect of Meissen (Meißen) {Lusazia o Lausitz; Sassonia}, Germany |
| 28 Oct | 47.9 | Installed | Joseph Anton Reichfreiherr von Delmestri von Schönberg † | Bishop of Trieste, Italy |
| 1 Nov | | Born | Jean-Baptiste du Plessis d'Argentré † | Argentré | Bishop of Sées, France |
| 3 Nov | 54.6 | Died | Giuseppe Riganti † | Bishop of Teramo, Italy |
| 4 Nov | 62.8 | Died | Giuseppe Roero † | Bishop of Alba (Pompea), Italy |
| 10 Nov | 47.8 | Ordained Bishop | Johann Philipp Franz Reichsgraf von Schönborn † | Bishop of Würzburg, Germany |
| 12 Nov | 59.6 | Died | Juan Montalbán Gómez, O.P. † | Bishop of Plasencia, Spain |
| 23 Nov | | Born | Sebastián Malvar y Pinto, O.F.M. † | San Martín de Salcedo, Spain | Archbishop of Santiago de Compostela, Spain |
| 14 Dec | | Born | Mariano Martí † | Brafim, Spain | Bishop of Caracas, Santiago de Venezuela |
| 15 Dec | | Ordained Bishop | Pedro Felipe Analso Miranda y Ponce de León † | Bishop of Teruel, Spain |
| 16 Dec | 51.0 | Appointed | Fernando Ignacio Arango Queipo, O.S.A. † | Bishop of Tui, Spain |
| 42.0 | Appointed | Ramón Marimón Corbera † | Bishop of Vic, Spain |
| 50.6 | Appointed | José Taberner (Taverner) Dárdena † | Bishop of Gerona, Spain |
| 17 Dec | | Born | Jerónimo Rogado de Carvalhal e Silva † | Guarda | Bishop of Guarda, Portugal |
| 21 Dec | 22.9 | Ordained Priest | Ferdinand Julius Graf von Troyer † | Priest of Olomouc, Czech Republic | Cardinal, Bishop |
| 23.2 | Ordained Priest | Franz Ignaz Albert Reichsfreiherr von Werdenstein † | Priest of Freising, Germany | Auxiliary Bishop |
| 22 Dec | 53.3 | Ordained Bishop | Bartolomeu do Pilar, O. Carm. † | Bishop of Belém do Pará, Brazil |
| 28 Dec | 33.0 | Installed | Alejo Fernando de Rojas y Acevedo † | Bishop of Santiago de Chile | Bishop of La Paz, Bolivia |
| 29 Dec | 31.0 | Appointed | Louis-Jacques Chapt de Rastignac † | Bishop of Tulle, France | Archbishop of Tours, France |