| Date | Age | Event | Bishop | Title | Current Title |
| 3 Jul | 49.6 | Appointed | Johannes Christoph Ludwig von Kuenburg † | Auxiliary Bishop of Passau, Germany |
| 49.6 | Appointed | Johannes Christoph Ludwig von Kuenburg † | Titular Bishop of Abdera | Auxiliary Bishop of Passau, Germany |
| 22.3 | Elevated to Cardinal | Henry Benedict Mary Clement Stuart of York † | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 4 Jul | | Born | Giovanni Battista Bolognese † | | Bishop of Andria, Italy |
| 6 Jul | 61.6 | Died | Domenico Rossi (Rosso e Colonna), O.S.B. † | Archbishop of Palermo, Italy |
| 14 Jul | 50.5 | Selected | Matías Ibáñez de Segovia † | Bishop of La Paz, Bolivia |
| 55.1 | Selected | Gregorio de Molleda y Clerque † | Archbishop of La Plata o Charcas, Bolivia |
| 57.1 | Selected | José Cayetano Paravicino, O.F.M. † | Bishop of Trujillo, Peru |
| 40.5 | Selected | Bernardo José Pérez de Oblitas † | Bishop of Paraguay (o Ssma Assunzione) | Bishop of Santa Cruz de la Sierra, Bolivia |
| 16 Jul | 22.9 | Ordained Priest | Francesco Agoselli † | Priest | Bishop of Cesena, Italy |
| 19 Jul | 49.5 | Selected | Ross Roe MacMahon (McMahon) † | Archbishop of Armagh, Ireland |
| 21 Jul | | Born | Camillo Campanelli † | | Bishop of Perugia, Italy |
| 24 Jul | 76.3 | Died | Kaspas Ignaz von Künigl zu Ehrenburg † | Bishop of Brixen {Bressanone}, Italy |
| 25 Jul | 52.3 | Ordained Bishop | Johann Philipp Anton von Frankenstein † | Bishop of Bamberg, Germany |
| 26 Jul | | Born | Claude-François-Marie Primat, C.O. † | | Archbishop of Toulouse, France |
| 28 Jul | | Born | Alexander Cameron † | | Vicar Apostolic Emeritus of Lowland District, Scotland, Great Britain |
| 30 Jul | 51.5 | Ordained Bishop | Bernardo de Arbizu y Ugarte † | Bishop of Cartagena, Colombia | Bishop of Trujillo, Peru |
| 49.7 | Ordained Bishop | Johannes Christoph Ludwig von Kuenburg † | Titular Bishop of Abdera | Auxiliary Bishop of Passau, Germany |
| 31 Jul | 64.4 | Appointed | Francisco Antonio Bustamante Jiménez † | Bishop of Plasencia, Spain |
| 55.4 | Appointed | Francisco Castillo Vintimilla † | Bishop of Jaén, Spain |
| 34.9 | Appointed | Carlo Vittorio Amedeo delle Lanze † | Cardinal-Deacon of Santi Cosma e Damiano | Cardinal, Prefect of the Congregation of the Council |
| 37.5 | Confirmed | Henri-Jacques de Montesquiou-Poylobon † | Bishop of Sarlat, France |
| 21.1 | Entered | Laurence Arthur Nihill † | Member of Society of Jesus | Bishop of Kilfenora, Ireland |
| 54.9 | Appointed | Dominico Maria Saporiti † | Bishop of Accia and Mariana, France |
| 22.4 | Appointed | Henry Benedict Mary Clement Stuart of York † | Cardinal-Deacon of Santa Maria in Portico (Campitelli) | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| Aug | 40.5 | Succeeded | Peter Creagh † | Bishop of Waterford and Lismore, Ireland |
| 67.5 | Died | Sylvester Louis Lloyd, O.F.M. † | Bishop of Waterford and Lismore, Ireland |
| 3 Aug | 49.5 | Confirmed | Ross Roe MacMahon (McMahon) † | Archbishop of Armagh, Ireland |
| 9 Aug | | Selected | Anthony O’Garvey † | Bishop of Dromore, Ireland |
| 11 Aug | 34.9 | Appointed | Carlo Vittorio Amedeo delle Lanze † | Titular Archbishop of Nicosia | Cardinal, Prefect of the Congregation of the Council |
| 13 Aug | 59.3 | Died | João de Moreira, O.F.M. Ref. † | Bishop of Santiago de Cabo Verde |
| 54.9 | Ordained Bishop | Dominico Maria Saporiti † | Bishop of Accia and Mariana, France |
| 15 Aug | 75.5 | Died | Sostegno Maria Cavalli, O.S.M. † | Bishop of Gubbio, Italy |
| 20 Aug | 83.6 | Died | Teige McCarthy Rabagh † | Bishop of Cork and Cloyne, Ireland |
| 60.7 | Died | Giovanni Andrea Tria (II) † | Bishop of Larino, Italy |
| 27 Aug | 63.7 | Ordained Bishop | Anselm Franz von Ingelheim † | Bishop of Würzburg, Germany |
| 57.1 | Installed | Pedro José Manuel Martínez de Arizala, O.F.M. Obs. † | Archbishop of Manila, Philippines |
| Sep | 74.0 | Died | Hyacinthus Verdesca † | Bishop of Carinola (Calina), Italy |
| 1 Sep | | Confirmed | Anthony O’Garvey † | Bishop of Dromore, Ireland |
| 48.6 | Selected | Daniel O’Reilly † | Bishop of Clogher, Ireland |
| 4 Sep | 48.7 | Confirmed | Miklós József Csáky † | Archbishop of Kalocsa, Hungary | Archbishop of Esztergom, Hungary |
| 50.6 | Confirmed | Matías Ibáñez de Segovia † | Bishop of La Paz, Bolivia |
| 65.1 | Appointed | Pio Magnoni † | Bishop of Montepulciano, Italy |
| 55.3 | Confirmed | Gregorio de Molleda y Clerque † | Archbishop of La Plata o Charcas, Bolivia |
| 57.2 | Confirmed | José Cayetano Paravicino, O.F.M. † | Bishop of Trujillo, Peru |
| 40.6 | Confirmed | Bernardo José Pérez de Oblitas † | Bishop of Paraguay (o Ssma Assunzione) | Bishop of Santa Cruz de la Sierra, Bolivia |
| 7 Sep | 77.8 | Died | Johann Bernhard Mayer † | Auxiliary Bishop of Würzburg, Germany |
| 71.9 | Died | Giovanni Soffietti, C.R.M. † | Bishop of Adria, Italy |
| 8 Sep | | Born | [Anne-Alexandre-Marie Thibault] † | | Bishop Emeritus of [Cantal (Constitutional), France] |
| 10 Sep | 58.2 | Selected | Andreas Jakob von Dietrichstein † | Archbishop of Salzburg, Austria |
| 11 Sep | 48.6 | Confirmed | Daniel O’Reilly † | Bishop of Clogher, Ireland |
| 15 Sep | 58.7 | Died | Pedro Cáceres Casado † | Bishop of Astorga, Spain |
| 16 Sep | 55.7 | Appointed | Pedro Clemente de Aróstegui (Aristegui) † | Archbishop (Personal Title) of Osma, Spain | Bishop |
| 17 Sep | 26.2 | Ordained Priest | Franz Xaver von Adelmann von Adelmannsfelden † | Priest of Augsburg, Germany | Auxiliary Bishop |
| 40.9 | Ordained Bishop | Louis-Sextius de Jarente de La Bruyère † | Bishop of Digne, France | Bishop of Orléans, France |
| 37.6 | Ordained Bishop | Henri-Jacques de Montesquiou-Poylobon † | Bishop of Sarlat, France |
| 19 Sep | 57.8 | Resigned | Gaetano Calvani † | Bishop of Bertinoro, Italy | Bishop Emeritus |
| 21 Sep | 56.7 | Ordained Bishop | José Javier de Arauz y Rojas † | Bishop of Santa Marta, Colombia | Archbishop of Santafé en Nueva Granada, Colombia |
| 23 Sep | 24.1 | Ordained Priest | Miguel António Barreto de Meneses † | Priest | Bishop Emeritus of Miranda (do Douro), Portugal |
| 33.7 | Ordained Priest | Giuseppe Capocchiani † | Priest of Crotone (Cotrone), Italy | Bishop |
| 24 Sep | 35.0 | Ordained Bishop | Carlo Vittorio Amedeo delle Lanze † | Titular Archbishop of Nicosia | Cardinal, Prefect of the Congregation of the Council |
| 23.1 | Ordained Priest | Dominque Charles Marie Turchi, O.F.M. Cap. † | Priest of Order of Friars Minor Capuchin | Bishop of Parma, Italy |
| 25 Sep | | Born | Marco (Matteo) Crescesi † | | Bishop of Shkodrë (Scutari), Albania |
| 72.6 | Died | Luca Antonio della Gatta † | Bishop of Melfi e Rapolla, Italy |
| Born | Antonio Vila y Campos † | | Bishop of Albarracin, Spain |
| 28 Sep | 48.2 | Died | Philipp Ludwig von Sinzendorf † | Cardinal, Bishop of Wrocław (Breslau), Poland |
| Born | Michal Mateusz Stadnicki, O.S.B.M. † | | Bishop of Lutsk and Ostroh (Ukrainian), Ukraine |
| Oct | 65.3 | Died | Agostino Bruti † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
| 1 Oct | 54.2 | Ordained Bishop | Antonio Amat † | Bishop of Bosa, Italy |
| 2 Oct | 51.3 | Confirmed | Pál Štefan Forgách † | Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania | Bishop of Vác, Hungary |
| 35.0 | Appointed | Carlo Vittorio Amedeo delle Lanze † | Cardinal-Priest of San Sisto | Cardinal, Prefect of the Congregation of the Council |
| 4 Oct | 62.1 | Died | João de Motta e Silva † | Cardinal, Cardinal-Priest |
| 7 Oct | 45.4 | Ordained Bishop | Wojciech Stanisław Leski, O. Cist. † | Bishop of Chelmno (Culma, Kulm), Poland |
| 8 Oct | 26.5 | Ordained Priest | Segherio Felice Seghieri † | Priest | Bishop of Sovana (Soana), Italy |
| 9 Oct | | Born | Francsco Antonio Javier de Gardoqui Arriquíbar † | | Cardinal, Priest of Palencia, Spain |
| 10 Oct | 68.5 | Resigned | Matteo Trigona † | Bishop of Siracusa, Italy | Bishop Emeritus |
| 15 Oct | | Born | Tadeusz Kundzicz † | | Auxiliary Bishop of Vilnius, Lithuania |
| 18 Oct | 51.4 | Selected | Leopold Maria Joseph von Spaur † | Bishop of Brixen {Bressanone}, Italy |
| 20 Oct | | Born | Rafael de Múzquiz y Aldunate † | | Archbishop of Santiago de Compostela, Spain |
| 24 Oct | 47.6 | Died | Francisco Juan Leiza (de Leyva) † | Auxiliary Bishop of Tlaxcala (Puebla de los Angeles), México |
| 58.8 | Died | Leone Luca Vita † | Bishop of Oppido Mamertina, Italy |
| 25 Oct | | Born | Giuseppe Stanislao Paradiso † | | Bishop of Ales e Terralba, Italy |
| 26 Oct | 62.5 | Died | Pietro Alessandro Francesco Rovèro di Cortanze, O.F.M. Cap. † | Bishop of Novara, Italy |
| 27 Oct | 61.8 | Died | Alexandre de Jouanne de Saumery † | Bishop of Rieux, France |
| 28 Oct | | Died | Dominique-Laurent de Balbe de Berton de Crillon † | Bishop of Glandèves, France |
| 29 Oct | 51.8 | Selected | Jean-Marie de Catelan † | Bishop of Rieux, France |
| 6 Nov | | Born | Josef František Hurdalek † | | Bishop Emeritus of Litoměřice, Czechia |
| 9 Nov | 18.3 | Professed | Giovanni Maria Percoto, B. † | Member of Clerics Regular of St. Paul | Vicar Apostolic of Ava e Pegù, Myanmar |
| 12 Nov | | Born | Pietro Luigi Rusconi † | | Auxiliary Bishop of Cesena, Italy |
| 18 Nov | 60.2 | Died | Giuseppe Fabbretti † | Bishop of Urbania e Sant’Angelo in Vado, Italy |
| 19 Nov | 23.1 | Ordained Subdeacon | Marian (Josef Leodegar) Müller, O.S.B. † | Subdeacon of Order of Saint Benedict | Abbot of Maria Einsiedeln, Switzerland |
| 20 Nov | 37.9 | Appointed | Giacomo Cingari † | Bishop of Gubbio, Italy |
| 30.3 | Appointed | Francesco Maria Colombani † | Bishop of Bertinoro, Italy |
| 61.8 | Installed | Daniele Delfino † | Cardinal-Priest of Santa Maria sopra Minerva | Cardinal, Archbishop of Udine, Italy |
| 58.0 | Appointed | Gaetano Calvani † | Titular Archbishop of Ancyra | Bishop Emeritus of Bertinoro, Italy |
| 55.4 | Appointed | Filippo Gentile † | Bishop of Telese o Cerreto Sannita, Italy |
| 53.4 | Appointed | Scipione de’ Lorenzi † | Bishop of Larino, Italy |
| 57.0 | Appointed | Pietro Maria Suárez † | Bishop of Adria, Italy |
| 26 Nov | 37.9 | Ordained Bishop | Giacomo Cingari † | Bishop of Gubbio, Italy |
| 30.3 | Ordained Bishop | Francesco Maria Colombani † | Bishop of Bertinoro, Italy |
| 55.4 | Ordained Bishop | Filippo Gentile † | Bishop of Telese o Cerreto Sannita, Italy |
| 53.4 | Ordained Bishop | Scipione de’ Lorenzi † | Bishop of Larino, Italy |
| 27 Nov | 50.9 | Ordained Bishop | Matías Ibáñez de Segovia † | Bishop of La Paz, Bolivia |
| Dec | 27.7 | Ordained Priest | Vitaliano Borromeo † | Priest | Cardinal, Prefect of the Congregation of Ecclesiastical Immunity |
| 3 Dec | 41.9 | Ordained Bishop | Pedro Ponce y Carrasco † | Titular Bishop of Adramyttium | Bishop of Quito, Ecuador |
| 11 Dec | 73.3 | Died | Christoph Ignaz von Gudenus † | Auxiliary Bishop of Mainz, Germany |
| 12 Dec | 71.6 | Died | Clemente Comenge Avio † | Bishop of Ciudad Rodrigo, Spain |
| 13 Dec | 46.9 | Selected | John O’Brien † | Bishop of Cloyne and Ross, Ireland |
| 50.9 | Selected | Richard Walsh † | Bishop of Cork, Ireland |
| 17 Dec | 47.0 | Selected | André-Jean-Baptiste-Dominique de Castellane † | Bishop of Glandèves, France |
| Born | Gerardo José Andrés Vázquez Parga, O. Cist. † | | Bishop of Salamanca, Spain |
| 18 Dec | 47.1 | Appointed | Deodato Baiardi, O.S.H. † | Bishop of Urbania e Sant’Angelo in Vado, Italy |
| 52.4 | Appointed | Giovanni Battista Bortoli † | Bishop of Feltre, Italy | Bishop Emeritus |
| 49.2 | Appointed | Giovanni Bufalini † | Bishop of Carinola (Calina), Italy |
| 73.3 | Appointed | Laurentius Odorisi † | Auxiliary Bishop of Sabina, Italy |
| 73.3 | Appointed | Laurentius Odorisi † | Titular Bishop of Tempe | Auxiliary Bishop of Sabina, Italy |
| 43.3 | Appointed | Giovanni Battista Sandi † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia | Bishop of Belluno, Italy |
| 21 Dec | 24.7 | Ordained Deacon | Nicola Bizarri † | Deacon | Bishop Emeritus of Forli, Italy |
| 52.4 | Ordained Bishop | Giovanni Battista Bortoli † | Bishop of Feltre, Italy | Bishop Emeritus |
| 49.2 | Ordained Bishop | Giovanni Bufalini † | Bishop of Carinola (Calina), Italy |
| 73.3 | Ordained Bishop | Laurentius Odorisi † | Titular Bishop of Tempe | Auxiliary Bishop of Sabina, Italy |
| 44.4 | Selected | Manuel José Rubio y Salinas † | Archbishop of México, Federal District |
| 43.3 | Ordained Bishop | Giovanni Battista Sandi † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia | Bishop of Belluno, Italy |
| 23 Dec | 24.7 | Ordained Priest | Nicola Bizarri † | Priest | Bishop Emeritus of Forli, Italy |
| 25.1 | Ordained Priest | Joseph Cosserich Teodosio † | Priest | Bishop of Korčula (Curzola, Cursola), Croatia |
| 22.6 | Ordained Deacon | Károly Esterházy de Galántha † | Deacon of Esztergom, Hungary | Bishop of Eger, Hungary |
| 24.0 | Ordained Priest | Berndard-Emmanuel (François-Pierre) de Lenzbourg, O. Cist. † | Priest of Order of Cistercians | Bishop of Lausanne, Switzerland |
| 23.8 | Ordained Priest | Giuseppe Bernardino Pecci, O.S.B. † | Priest of Order of Saint Benedict | Bishop of Montalcino, Italy |
| 23.7 | Ordained Priest | Silvestro Pepe † | Priest | Archbishop of Sorrento, Italy |
| 26.2 | Ordained Priest | Giovanni Battista Quasina † | Priest | Bishop of Bosa, Italy |
| 24 Dec | | Born | Joseph Gaspard Exquis, C.R.A. † | | Abbot of Saint-Maurice, Switzerland |
| 55.2 | Died | Joseph Anselme François Werbrouck † | Bishop of Antwerpen {Antwerp, Anvers}, Belgium |
| 26 Dec | | Born | Etienne-Marie de Boulogne † | | Bishop of Troyes, France |
| 57.0 | Selected | José Alfonso Meléndez, O.F.M. Disc. † | Archbishop of Palermo, Italy |
| 27 Dec | | Born | Richard Luke Concanen, O.P. † | | Bishop of New York, New York, USA |