| Date | Age | Event | Bishop | Title | Current Title |
| unknown | 24.2 | Ordained Priest | Dionisio Bardaxí y Azara † | Priest | Cardinal, Priest of the Roman Curia - Other |
| Appointed | James Caulfield † | Bishop of Ferns, Ireland |
| 23.3 | Ordained Priest | Michael Francis Egan, O.F.M. † | Priest of Order of Friars Minor | Bishop of Philadelphia, Pennsylvania, USA |
| 11.0 | Ordained Priest | Taddeo Garzilli (Garzillo) † | Priest | Bishop of Acerra, Italy |
| 52.9 | Appointed | Joseph de Montfalcon du Cengle † | Archbishop of Tarentaise, France |
| 25.9 | Ordained Priest | Diego Antonio Navarro Martín de Villodras † | Priest | Archbishop of La Plata o Charcas, Bolivia |
| Appointed | Luigi Maria di Gesu Pianazzi, O.C.D. † | Vicar Apostolic of Malabar, India |
| Appointed | Luigi Maria di Gesu Pianazzi, O.C.D. † | Titular Bishop of Usula | Vicar Apostolic of Malabar, India |
| 67.7 | Died | Francisco (Martinez) Polanco (López de Lorena) † | Bishop of Chiapas (Ciudad Real de Chiapas), Chiapas, México |
| 17.5 | Professed | Ignatz Albert (Joseph Ignatz Alexius) von Riegg, O.S.A. † | Member of Order of St. Augustine | Bishop of Augsburg, Germany |
| Died | Mark Skerret † | Archbishop of Tuam, Ireland |
| 41.1 | Ordained Priest | Giovanni Battista Zauli † | Priest | Cardinal, Cardinal-Priest of S. Onofrio |
| 1 Jan | 53.7 | Appointed | Ernest Johann Nepomuk Reichsgraf von Herberstein (Herbstein) † | Bishop of Linz, Austria |
| 27 Jan | 51.3 | Appointed | Manuel Azamor y Ramírez † | Bishop of Buenos Aires, Argentina |
| 31 Jan | 73.1 | Died | Andrzej Ignacy Baier † | Bishop of Chelmno (Culma), Poland |
| Born | Lorenzo Giovanni Battista Biale † | Genova | Bishop of Ventimiglia, Italy |
| 52.5 | Succeeded | Johann Karl Reichsgraf von Hohenzollern-Hechingen † | Bishop of Chelmno (Culma), Poland | Bishop of Warmia, Poland |
| 14 Feb | 66.7 | Appointed | Francisco Armañá Font, O.S.A. † | Archbishop of Tarragona, Spain |
| 48.5 | Elevated to Cardinal | Carlo Bellisomi † | In Pectore | Cardinal, Bishop of Cesena, Italy |
| 46.3 | Appointed | José Boltas, O.F.M. † | Bishop of Urgell, Spain |
| 51.7 | Appointed | Giovanni Battista Caprara Montecuccoli † | Apostolic Nuncio to Austria | Cardinal, Archbishop of Milano {Milan}, Italy |
| 44.5 | Appointed | Barnaba (Gregorio) Chiaramonti, O.S.B. † | Bishop of Imola, Italy | Pope (Roma {Rome}, Italy) |
| 44.5 | Appointed | Barnaba (Gregorio) Chiaramonti, O.S.B. † | Cardinal-Priest of S. Callisto | Pope (Roma {Rome}, Italy) |
| 44.5 | Elevated to Cardinal | Barnaba (Gregorio) Chiaramonti, O.S.B. † | Pope (Roma {Rome}, Italy) |
| 36.5 | Appointed | Antonio Codronchi † | Archbishop of Ravenna, Italy |
| 35.9 | Elevated to Cardinal | Antonio Maria Doria Pamphilj † | Cardinal, Archpriest of the Basilica di Santa Maria Maggiore {Saint Mary Major Basilica} |
| 33.3 | Appointed | Giuseppe Maria Doria Pamphilj † | Cardinal-Priest of S. Pietro in Vincoli | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 33.3 | Elevated to Cardinal | Giuseppe Maria Doria Pamphilj † | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 47.7 | Appointed | Alexandre da Sagrada Familia Ferreira da Silva, O.F.M. † | Bishop of Angola e Congo, Angola | Bishop of Angra, Portugal |
| 55.6 | Appointed | Manuel Ferrer y Figueredo † | Archbishop (Personal Title) of Málaga, Spain | Bishop |
| 63.8 | Appointed | Muzio Gallo † | Bishop of Viterbo e Tuscania, Italy | Cardinal, |
| 63.8 | Elevated to Cardinal | Muzio Gallo † | Cardinal, |
| 59.3 | Elevated to Cardinal | Giuseppe Garampi † | Cardinal, Bishop of Montefiascone, Italy |
| 53.8 | Confirmed | Ernest Johann Nepomuk Reichsgraf von Herberstein (Herbstein) † | Bishop of Linz, Austria |
| 55.1 | Appointed | Diego de Jesus Jardim, O.S.H. † | Bishop of Olinda, Brazil | Bishop of Elvas, Portugal |
| 48.7 | Appointed | Juan Francisco Jiménez del Río † | Bishop of Segovia, Spain | Archbishop of Valencia, Spain |
| 59.7 | Appointed | Johann Heinrich von Kerens, S.J. † | Bishop of Sankt Pölten, Austria |
| 62.3 | Elevated to Cardinal | Carlo Livizzani Forni † | Cardinal, Cardinal-Priest of S. Silvestro in Capite |
| 48.9 | Appointed | Antonio Martínez de la Plaza † | Bishop of Islas Canarias {Canary Islands}, Spain | Bishop of Cádiz, Spain |
| 65.1 | Appointed | Diego Martín Rodríguez, O.F.M. † | Bishop of Coria, Spain |
| 71.1 | Appointed | Michele Pes † | Bishop of Ampurias e Tempio, Italy |
| 76.8 | Confirmed | Aldrago Antonio de Piccardi † | Bishop of Senj (-Modruš), Croatia |
| 58.4 | Appointed | Vincenzo Ranuzzi † | Archbishop (Personal Title) of Ancona e Numana, Italy | Cardinal, Bishop |
| 58.4 | Elevated to Cardinal | Vincenzo Ranuzzi † | Cardinal, Bishop of Ancona e Numana, Italy |
| 56.2 | Appointed | Cristoforo a São Boaventura, O.F.M. † | Bishop of Santiago de Cabo Verde |
| 47.8 | Appointed | Juan Félix de Villegas † | Bishop of León en Nicaragua | Archbishop of Guatemala |
| 18 Feb | | Born | Vincenzo Andrea Grande † | Lecce | Archbishop of Otranto, Italy |
| 19 Feb | 23.0 | Ordained Priest | Romualdo de Souza Coelho † | Priest | Bishop of Belém do Pará, Brazil |
| 20 Feb | 31.0 | Appointed | Antoine-Eustache d'Osmond † | Bishop of Saint-Bernard de Comminges, France | Bishop of Nancy, France |
| 23 Feb | 65.3 | Died | Lazzaro Opiziio Pallavicino † | Cardinal, Secretary of the Secretariat of State |
| 3 Mar | | Born | Francesco di Paolo de Nadasd-Fogaras † | Vienna | Bishop of Vác, Hungary |
| 5 Mar | | Born | Carlo Odescalchi, S.J. † | Rome | Cardinal, Priest of Society of Jesus |
| 6 Mar | 53.7 | Ordained Bishop | Francisco Antonio Pablo Sieni Flannings, O.F.M. Cap. † | Titular Bishop of Trecalae | Auxiliary Bishop Emeritus of San Cristobal de la Habana, Cuba |
| 7 Mar | | Died | Jean-Pierre Biord † | Bishop of Genève {Geneva}, Switzerland |
| 14 Mar | 63.2 | Installed | Krysztof Hilary Szembek † | Bishop of Płock, Poland |
| 19 Mar | 47.2 | Ordained Priest | Ippolito Antonio Vincenti Mareri † | Priest | Cardinal, Bishop of Sabina, Italy |
| 27 Mar | 37.9 | Ordained Bishop | José Carrión y Marfil † | Titular Bishop of Carystus | Bishop Emeritus of Trujillo, Peru |
| Born | Filippo Giudice Caracciolo † | Naples | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 28 Mar | | Died | Gaetano Giannini † | Bishop of Foligno, Italy |
| 2 Apr | | Born | François-Hyacinthe-Jean Feutrier † | Paris | Bishop of Beauvais, France |
| 3 Apr | | Appointed | Filippo Trenta † | Bishop of Foligno, Italy |
| 4 Apr | 75.2 | Died | Giovanni Maria Castelvetri † | Bishop of Reggio Emilia, Italy |
| 11 Apr | 55.6 | Appointed | Esteban Antonio Aguado Rojas † | Bishop of Pamplona, Spain |
| 36.0 | Installed | Antonio Maria Doria Pamphilj † | Cardinal-Deacon of Ss. Cosma e Damiano | Cardinal, Archpriest of the Basilica di Santa Maria Maggiore {Saint Mary Major Basilica} |
| 36.8 | Appointed | Antonio Dugnani † | Titular Archbishop of Rhodus | Cardinal, Prefect of the Apostolic Signatura |
| 64.0 | Installed | Muzio Gallo † | Cardinal-Priest of S. Anastasia | Cardinal, |
| 62.4 | Installed | Carlo Livizzani Forni † | Cardinal-Deacon of S. Adriano al Foro | Cardinal, Cardinal-Priest of S. Silvestro in Capite |
| 31.2 | Confirmed | Antoine-Eustache d'Osmond † | Bishop of Saint-Bernard de Comminges, France | Bishop of Nancy, France |
| 34.6 | Appointed | Luigi Ruffo Scilla † | Titular Archbishop of Apamea in Bithynia | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 63.4 | Died | Juan Varela Fondevilla y Verea † | Auxiliary Bishop of Santiago de Compostela, Spain |
| 47.2 | Appointed | Ippolito Antonio Vincenti Mareri † | Titular Archbishop of Corinthus | Cardinal, Bishop of Sabina, Italy |
| 12 Apr | 50.6 | Appointed | Charles Alexandre d'Arberg et de Valengin † | Bishop of Ypres (Ieper), Belgium | Bishop Emeritus |
| 17 Apr | 46.5 | Ordained Bishop | José Boltas, O.F.M. † | Bishop of Urgell, Spain |
| 45.2 | Appointed | Jean-Baptiste de Chabot † | Bishop of Saint-Claude, France | Bishop Emeritus of Mende, France |
| 64.0 | Ordained Bishop | Muzio Gallo † | Bishop of Viterbo e Tuscania, Italy | Cardinal, |
| 55.3 | Ordained Bishop | Diego de Jesus Jardim, O.S.H. † | Bishop of Olinda, Brazil | Bishop of Elvas, Portugal |
| 24 Apr | 22.9 | Ordained Priest | Francesco Alciati † | Priest | Bishop of Casale Monferrato, Italy |
| 26 Apr | 34.7 | Appointed | Luigi Ruffo Scilla † | Apostolic Nuncio to Other | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 29 Apr | | Born | Michel' Angelo Sorrentino † | Terra di San Giovanni a Piro | Bishop of Marsi, Italy |
| 1 May | 54.0 | Installed | Ernest Johann Nepomuk Reichsgraf von Herberstein (Herbstein) † | Bishop of Linz, Austria |
| 31.2 | Ordained Bishop | Antoine-Eustache d'Osmond † | Bishop of Saint-Bernard de Comminges, France | Bishop of Nancy, France |
| 56.5 | Ordained Bishop | Cristoforo a São Boaventura, O.F.M. † | Bishop of Santiago de Cabo Verde |
| 4 May | | Born | Miguel José Irigoyen † | Errazu | Bishop of Calahorra y La Calzada, Spain |
| 7 May | 48.8 | Appointed | Carlo Bellisomi † | Apostolic Nuncio to Portugal | Cardinal, Bishop of Cesena, Italy |
| 8 May | 60.0 | Installed | Johann Heinrich von Kerens, S.J. † | Bishop of Sankt Pölten, Austria |
| 28.4 | Ordained Bishop | Max Franz (Maximilian Franciscus) von Habsburg-Lothringen (Österreich) † | Archbishop of Köln {Cologne}, Germany |
| 47.3 | Ordained Bishop | Ippolito Antonio Vincenti Mareri † | Titular Archbishop of Corinthus | Cardinal, Bishop of Sabina, Italy |
| 14 May | 62.5 | Ordained Deacon | Carlo Livizzani Forni † | Deacon | Cardinal, Cardinal-Priest of S. Silvestro in Capite |
| 16 May | 36.1 | Ordained Deacon | Antonio Maria Doria Pamphilj † | Deacon | Cardinal, Archpriest of the Basilica di Santa Maria Maggiore {Saint Mary Major Basilica} |
| 24 May | 47.3 | Appointed | Ippolito Antonio Vincenti Mareri † | Apostolic Nuncio to Spain | Cardinal, Bishop of Sabina, Italy |
| 12 Jun | 37.0 | Ordained Bishop | Antonio Dugnani † | Titular Archbishop of Rhodus | Cardinal, Prefect of the Apostolic Signatura |
| 49.3 | Ordained Bishop | Antonio Martínez de la Plaza † | Bishop of Islas Canarias {Canary Islands}, Spain | Bishop of Cádiz, Spain |
| 14 Jun | 51.2 | Appointed | Nicolas Champenois, M.E.P. † | Coadjutor Vicar Apostolic of Verapoly, India | Vicar Apostolic |
| 51.2 | Appointed | Nicolas Champenois, M.E.P. † | Titular Bishop of Doliche | Vicar Apostolic of Verapoly, India |
| 37.0 | Appointed | Antonio Dugnani † | Apostolic Nuncio to France | Cardinal, Prefect of the Apostolic Signatura |
| 46.3 | Appointed | Jean-François Hubert † | Coadjutor Bishop of Québec, Québec, Canada | Bishop Emeritus |
| 46.3 | Appointed | Jean-François Hubert † | Titular Bishop of Halmiros | Bishop Emeritus of Québec, Québec, Canada |
| 15 Jun | 23.5 | Ordained Priest | Constantin Ernest Ruziczka (Růžička) † | Priest of Praha {Prague}, Czech Republic | Bishop of Ceské Budĕjovice {Budweis}, Czech Republic |
| 59.6 | Died | Karol Salbeck † | Bishop of Spiš, Slovakia |
| 20 Jun | | Born | Nicolás Aldazor, O.F.M. † | La Rioja | Bishop of San Juan de Cuyo, Argentina |
| 22 Jun | | Born | Agustín Cecilio Gómez de Carpena y Bolio † | México | Titular Bishop of Olena |
| 25 Jun | | Born | Guillermo Martínez Riaguas † | Noviales | Bishop of Astorga, Spain |
| 27 Jun | 53.8 | Installed | Giovanni Andrea Archetti † | Cardinal-Priest of S. Eusebio | Cardinal, Bishop of Ascoli Piceno, Italy |
| 51.7 | Confirmed | Manuel Azamor y Ramírez † | Bishop of Buenos Aires, Argentina |
| 58.6 | Appointed | Andrés José Barco Espinosa † | Bishop of Salamanca, Spain |
| 45.3 | Confirmed | Jean-Baptiste de Chabot † | Bishop of Saint-Claude, France | Bishop Emeritus of Mende, France |
| Appointed | José Antonio de Isabela † | Bishop of Comayagua, Honduras | Bishop-Elect |
| 57.1 | Appointed | Manuel Felipe Miralles † | Bishop of Cartagena (en España) |
| 42.7 | Appointed | Pedro Luis Ozta Múzquiz † | Bishop of Calahorra y La Calzada, Spain |
| 28 Jun | | Born | Romain-Frédéric Gallard † | Artenay | Coadjutor Archbishop of Reims, France |