| Date | Age | Event | Bishop | Title | Current Title |
| unknown | | Appointed | Marcantonio Agazzi † | Bishop of Ceneda, Italy |
| Born | Pedro Clemente de Aróstegui † | Villanueva de la Jara | Bishop of Osma, Spain |
| 58.0 | Confirmed | François-Ignace de Baglion du Saillant † | Bishop of Poitiers, France |
| Confirmed | Pierre-François Beauvau de Rivau † | Bishop of Sarlat, France |
| 28.0 | Ordained Priest | Thomas Bottaro a Sextris, O.P. † | Priest of Order of Friars Preachers | Vicar Apostolic of Eastern Tonking {Tonkino Orientale}, Viêt Nam |
| 35.0 | Appointed | Jean-François Chamillart † | Bishop of Dol, France | Bishop of Senlis, France |
| Born | Filippo Coscia † | | Titular Bishop of the Titular See |
| 54.0 | Appointed | Stanisław Kazimierz Dąmbski † | Bishop of Włocławek (Kujawy, Kalisze), Poland | Bishop of Kraków, Poland |
| Died | Juan de los Ríos y Berriz † | Bishop of Santa Cruz de la Sierra, Bolivia |
| Born | Pierre-Jean-Baptiste Durand de Missy † | Rouen | Bishop of Avranches, France |
| Died | Matteo Fazio † | Bishop of Patti, Italy |
| 44.6 | Ordained Bishop | Paul Godet des Marais † | Bishop of Chartres, France |
| Born | Juan González Melgarejo † | Asuncion, Paraguay | Bishop of Arequipa, Peru |
| Died | Bartolome Gonzalez y Poveda † | Archbishop of La Plata o Charcas, Bolivia |
| 26.9 | Ordained Priest | James Gordon † | Priest | Vicar Apostolic of Lowland District, Scotland, Great Britain |
| 41.0 | Appointed | Charles-Bénigne Hervé † | Bishop of Gap, France | Bishop Emeritus |
| Appointed | Alessandro Lambert † | Bishop of Aosta, Italy | Bishop of Ivrea, Italy |
| Appointed | Charles-Antoine de la Garde de Chambonas † | Bishop of Viviers (Aps), France |
| 68.0 | Ordained Bishop | Eustache Le Séneschal de Carcado † | Bishop of Tréguier, France |
| Born | Jean-François de Macheco de Prémeaux † | Dijon | Bishop of (Saint-Lizier de) Couserans, France |
| Appointed | Vincenzo de Magistris, O.P. † | Bishop of Cassano all’Jonio, Italy |
| Born | Gregorio de Molleda y Clerque † | Cartegena, Colombia | Archbishop of La Plata o Charcas, Bolivia |
| Died | Giuseppe Musotti † | Bishop of Città di Castello, Italy |
| Born | Pierre de Pardaillan de Gondrin d'Autin † | | Bishop of Langres, France |
| Appointed | Sebastiano Perissi † | Bishop of Nocera de’ Pagani, Italy |
| Confirmed | François-Clément de Poudenx † | Bishop of Tarbes, France |
| 34.0 | Appointed | Gerolamo Ubertino Provana, C.R. † | Bishop of Alba (Pompea), Italy |
| Born | Paul de Ribeyre † | Clermont | Bishop of Saint-Flour, France |
| Appointed | António de Saldanha † | Bishop of Portalegre, Portugal | Bishop of Guarda, Portugal |
| Born | Francisco de São Tiago, O.F.M. † | Tiagro de Sappro, Portugal | Bishop of São Luís do Maranhão, Brazil |
| Appointed | Pompeo Sarnelli † | Bishop of Bisceglie, Italy |
| Died | Patrick Tyrrell (Tyrell), O.F.M. † | Bishop of Meath, Ireland |
| 46.3 | Appointed | António Vasconcelos e Sousa † | Bishop of Lamego, Portugal | Bishop of Coimbra, Portugal |
| 5 Jan | | Born | Diego García Medrano † | Robledo de Chavela | Bishop of Segovia, Spain |
| 9 Jan | 42.0 | Appointed | Raimondo Ferretti † | Archbishop of Ravenna, Italy |
| 59.6 | Appointed | Esprit-Valentin Fléchier † | Bishop of Nimes, France |
| 50.0 | Appointed | João Franco de Oliveira † | Archbishop of São Salvador da Bahia, Brazil | Bishop of Miranda, Portugal |
| 13 Jan | 50.1 | Ordained Bishop | Giovanni Battista Carrone † | Bishop of Strongoli, Italy |
| 34.5 | Ordained Bishop | Marcello d'Aste † | Titular Archbishop of Atenia | Cardinal, Apostolic Nuncio to Germany |
| 47.0 | Ordained Bishop | Pietro Martire Giustiniani, O.P. † | Archbishop of Naxos, Greece | Bishop of Tinos, Greece |
| 15 Jan | 36.2 | Confirmed | Fabio Brulart de Sillery † | Bishop of Soissons, France |
| 18 Jan | 34.5 | Appointed | Marcello d'Aste † | Apostolic Nuncio to Switzerland | Cardinal, Apostolic Nuncio to Germany |
| 21 Jan | 48.6 | Confirmed | Hardouin Fortin de la Hoguette † | Archbishop of Sens, France |
| 36.2 | Confirmed | Charles-Gaspard-Guillaume de Vintimille du Luc † | Bishop of Marseille, France | Archbishop of Paris, France |
| 24 Jan | | Died | João de Mascarenhas † | Bishop of Guarda, Portugal |
| 31 Jan | 79.8 | Died | Mathieu Thoreau † | Bishop of Dol, France |
| 13 Feb | | Born | Louis-Bernard de La Taste, O.S.B. † | Bordeaux, France | Bishop of Bethléem, France |
| 18 Feb | | Born | Francisco Castillo Vintimilla † | Bruselas, Belgium | Bishop of Jaén, Spain |
| 28 Feb | 68.2 | Died | Ulrich de Mont † | Bishop of Chur, Switzerland |
| 6 Mar | | Confirmed | Mathurin Savary † | Bishop of Sées, France |
| 7 Mar | | Born | Giustino Bagnesi, O.S.B. † | Firenze | Bishop of Chiusi-Pienza, Italy |
| 10 Mar | | Born | Bernardino Ciani, O.S.A. † | Siena | Bishop of Montalcino, Italy |
| 34.8 | Confirmed | Henri-Pons de Thiard de Bissy † | Bishop of Toul, France | Cardinal, Bishop of Meaux, France |
| 15 Mar | 41.9 | Appointed | Sebastiano Antonio Tanara † | Apostolic Nuncio to Austria | Cardinal, Titular Archbishop of Damascus |
| 23 Mar | 36.4 | Ordained Bishop | Fabio Brulart de Sillery † | Bishop of Soissons, France |
| 25 Mar | | Appointed | Giuseppe Bologna † | Archbishop of Capua, Italy |
| Ordained Bishop | Armand-Louis Bonnin de Chalucet † | Bishop of Toulon, France |
| 53.1 | Ordained Deacon | Giovanni Giacomo Cavallerini † | Deacon | Cardinal, Titular Archbishop of Nicaea |
| Born | Luiz de Santa Teresa da Cruz Salgado de Castilho, O.C.D. † | Lisboa, Portugal | Bishop of Olinda, Brazil |
| 36.4 | Ordained Bishop | Charles-Gaspard-Guillaume de Vintimille du Luc † | Bishop of Marseille, France | Archbishop of Paris, France |
| 30 Mar | 53.1 | Ordained Priest | Giovanni Giacomo Cavallerini † | Priest | Cardinal, Titular Archbishop of Nicaea |
| Ordained Bishop | François d'Argouges † | Bishop of Vannes, France |
| Apr | 68.7 | Ordained Bishop | Giuseppe Vittorio Alberti d’Enno † | Bishop of Trento, Italy |
| 6 Apr | | Appointed | François-Louis de Polastron † | Bishop of Lectoure, France |
| 7 Apr | 33.7 | Ordained Deacon | Giorgio Cornaro † | Deacon | Cardinal, Bishop of Padova {Padua}, Italy |
| 8 Apr | 33.7 | Ordained Priest | Giorgio Cornaro † | Priest | Cardinal, Bishop of Padova {Padua}, Italy |
| 11 Apr | | Born | José Francisco Biguezal † | Vitoria | Bishop of Ciudad Rodrigo, Spain |
| 14 Apr | | Born | Francisco Xavier Aranha † | Arronches | Bishop of Olinda, Brazil |
| 16 Apr | | Born | Pascual de los Herreros † | Milmarcos | Bishop of León, Spain |
| 20 Apr | 62.3 | Ordained Bishop | Francisco de Lima (Lemos), O. Carm. † | Bishop of São Luís do Maranhão, Brazil | Bishop of Olinda, Brazil |
| 23 Apr | | Appointed | Michelangelo Cotignola † | Bishop of Ischia, Italy | Bishop Emeritus |
| 28 Apr | 35.0 | Appointed | Ulrich Freiherr von Federspiel † | Bishop of Chur, Switzerland |
| 4 May | | Ordained Bishop | Pompeo Sarnelli † | Bishop of Bisceglie, Italy |
| 5 May | 33.8 | Appointed | Giorgio Cornaro † | Titular Archbishop of Rhodus | Cardinal, Bishop of Padova {Padua}, Italy |
| 9 May | | Born | Giuseppe Agostino Orsi, O.P. † | Florence, Italy | Cardinal, Cardinal-Priest of S. Sisto |
| 10 May | 64.6 | Appointed | Galeazzo Marescotti † | Pro-Prefect of the Congregation of the Council | Cardinal, Bishop Emeritus of Tivoli, Italy |
| 11 May | 33.8 | Ordained Bishop | Giorgio Cornaro † | Titular Archbishop of Rhodus | Cardinal, Bishop of Padova {Padua}, Italy |
| 15 May | 46.3 | Appointed | Peter Anton Gaus von Homberg † | Bishop of Pedena, Austria |
| 23 May | | Born | Giuseppe Alfonso Miroglio † | Citta di Casale | Bishop of Alessandria (della Paglia), Italy |
| 31 May | 23.1 | Ordained Priest | Francesco Antonio Finy † | Priest | Cardinal, Bishop of Tivoli, Italy |
| 8 Jun | 94.6 | Died | Henri Arnauld † | Bishop of Angers, France |
| 17 Jun | | Died | Juan Asensio Barrios, O. de M. † | Bishop of Jaén, Spain |
| 25 Jun | 53.4 | Appointed | Giovanni Giacomo Cavallerini † | Cardinal, Titular Archbishop of Nicaea |
| 30 Jun | 53.4 | Ordained Bishop | Giovanni Giacomo Cavallerini † | Cardinal, Titular Archbishop of Nicaea |
| 1 Jul | | Confirmed | Victor-Augustin Méliand (Melrand) † | Bishop of Alet, France | Bishop Emeritus |
| 5 Jul | 22.5 | Ordained Priest | Karol Antoni Szembek † | Priest | Archbishop of Gniezno, Poland |
| 7 Jul | | Appointed | Nicola Cirillo † | Bishop of Nicastro, Italy |
| 22 Jul | | Born | Ramón Nogués † | Albelda | Bishop of Jaca, Spain |
| 26 Jul | | Born | Jakob Johann Joseph Wosky von Bärenstamm † | Crostwitz | Prefect of Meissen (Meißen) {Lusazia o Lausitz; Sassonia}, Germany |
| 30 Jul | | Confirmed | François Verjus † | Bishop of Grasse, France |
| 12 Aug | | Born | Aleixo de Miranda Henriques, O.P. † | Lisboa | Bishop of Porto, Portugal |
| 15 Aug | 32.0 | Appointed | Michel Le Peletier † | Bishop of Angers, France |
| 24 Aug | 41.6 | Ordained Bishop | Cyprien-Gabriel Bénard de Résay † | Bishop of Angoulême, France |
| 62.5 | Ordained Bishop | Pierre-Daniel Huet † | Bishop of Avranches, France | Bishop Emeritus |
| Ordained Bishop | Léon de La Lane † | Bishop of Bayonne, France |
| Ordained Bishop | Jacques-Antoine Phélypeaux † | Bishop of Lodève, France |
| Ordained Bishop | François-Clément de Poudenx † | Bishop of Tarbes, France |
| Ordained Bishop | Mathurin Savary † | Bishop of Sées, France |
| 35.2 | Ordained Bishop | Henri-Pons de Thiard de Bissy † | Bishop of Toul, France | Cardinal, Bishop of Meaux, France |
| 26 Aug | | Born | Niccolò Mancinforte † | Ancona | Bishop of Ancona e Numana, Italy |
| 31 Aug | | Ordained Bishop | François Bochart de Saron de Champigny † | Bishop of Clermont, France |
| 40.7 | Ordained Bishop | François de Caillebot de La Salle † | Bishop of Tournai {Doornik}, Belgium | Bishop Emeritus |
| 39.2 | Ordained Bishop | Henri Feydeau de Brou † | Bishop of Amiens, France |
| 2 Sep | 52.7 | Appointed | Peter Creagh † | Archbishop of Dublin, Ireland |
| 24 Sep | | Died | Clemente Vieira, O.A.D. † | Bishop of Angra, Portugal |
| 30 Sep | | Born | Domingo Pérez Rivera † | Sevilla | Auxiliary Bishop of Sevilla {Seville}, Spain |
| Oct | 54.8 | Died | Giuseppe Ponzi † | Bishop of Umbriatico (Umbriaticum), Italy |
| 1 Oct | 76.8 | Died | Diego de Aguilar, O.P. † | Bishop of Cebu, Philippines |
| 2 Oct | | Born | Francis Petre † | Fidlers | Vicar Apostolic of Northern District, England, Great Britain |
| 5 Oct | 66.8 | Died | Alonso Bernardo de Ríos y Guzmán, O.SS.T. † | Archbishop of Granada, Spain |
| 6 Oct | 54.2 | Confirmed | Giovanni Francesco Miller † | Bishop of Trieste, Italy |
| 39.6 | Appointed | Johann Sigmund Reichsfreiherr Zeller von und zu Leibersdorf † | Auxiliary Bishop of Freising, Germany |
| 39.6 | Appointed | Johann Sigmund Reichsfreiherr Zeller von und zu Leibersdorf † | Titular Bishop of Belline | Auxiliary Bishop of Freising, Germany |
| 13 Oct | | Confirmed | Victor-Augustin de Mailly † | Bishop of Lavaur, France |
| 15 Oct | | Born | Alessandro Albani † | Urbino | Cardinal, Archivist of the Vatican Secret Archives |
| 82.8 | Died | Johannes Maximus Stainer von Pleinfelden † | Auxiliary Bishop of Passau, Germany |
| 44.7 | Appointed | Andrzej Chryzostom Załuski † | Bishop of Płock, Poland | Bishop of Warmia, Poland |
| 26 Oct | | Ordained Bishop | Bernard d'Abbadie d'Arbocave † | Bishop of Acqs (Dax), France |
| 7 Nov | 49.7 | Ordained Bishop | García Felipe de Legazpi y Velasco Altamirano y Albornoz † | Bishop of Durango, México | Bishop of Tlaxcala, Tlaxcala, México |
| 9 Nov | | Ordained Bishop | François-Louis de Polastron † | Bishop of Lectoure, France |
| 16 Nov | | Born | Filippo Niccolò Cecina † | Volterra | Coadjutor Bishop of Volterra, Italy |
| 32.3 | Ordained Bishop | Michel Le Peletier † | Bishop of Angers, France |
| Ordained Bishop | Victor-Augustin de Mailly † | Bishop of Lavaur, France |
| 27 Nov | 65.9 | Resigned | Luis de Lemos y Usategui, O.S.A. † | Bishop of Concepción, Chile | Bishop Emeritus |
| 30 Nov | 35.9 | Ordained Bishop | Jean-François Chamillart † | Bishop of Dol, France | Bishop of Senlis, France |
| 1 Dec | 35.6 | Confirmed | Ulrich Freiherr von Federspiel † | Bishop of Chur, Switzerland |
| 6 Dec | | Born | Jerzy Mikołaj Hylzen † | | Bishop Emeritus of Smoleńsk, Poland |
| 7 Dec | 41.9 | Ordained Bishop | Charles-Bénigne Hervé † | Bishop of Gap, France | Bishop Emeritus |
| Ordained Bishop | François Verjus † | Bishop of Grasse, France |
| 9 Dec | | Born | Camillo Paolucci † | Forli | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 12 Dec | 77.1 | Died | Verissimo de Lencastre † | Cardinal, Archbishop Emeritus of Braga, Portugal |
| 14 Dec | 54.3 | Ordained Bishop | Giovanni Francesco Miller † | Bishop of Trieste, Italy |
| 20 Dec | 23.0 | Ordained Priest | Tomás Vidal y de Nin, O. Cist. † | Priest of Order of Cistercians | Archbishop of Messina, Italy |
| 27 Dec | | Ordained Priest | Filippo Niccolò Cecina † | Priest | Coadjutor Bishop of Volterra, Italy |