| Date | Age | Event | Bishop | Title | Current Title |
| Jul | 75.2 | Died | Claudio Sanz Torres y Ruiz de Castañedo † | Bishop of Almería, Spain |
| 12 Jul | 39.0 | Appointed | Wilhelm Joseph Leopold Willibald Reichsfreiherr von Baden † | Auxiliary Bishop of Konstanz {Constance}, Germany |
| 39.0 | Appointed | Wilhelm Joseph Leopold Willibald Reichsfreiherr von Baden † | Titular Bishop of Milevum | Auxiliary Bishop of Konstanz {Constance}, Germany |
| 37.2 | Appointed | Giuseppe Maria Bressa † | Bishop of Concordia, Italy |
| 62.2 | Appointed | Bonaventura Calcagnini † | Bishop of Penne-Atri, Italy |
| 53.0 | Appointed | Francesco del Tufo, C.R. † | Bishop of Aversa, Italy |
| 55.5 | Appointed | Luis Tomás Esteban de Piña y Mazo, O.S.B. † | Bishop of Yucatán (Mérida), Yucatán, México |
| 48.8 | Confirmed | Franz Ludwig Reichsfreiherr von Erthal † | Bishop of Würzburg, Germany |
| 48.8 | Confirmed | Franz Ludwig Reichsfreiherr von Erthal † | Bishop of Bamberg, Germany | Bishop of Würzburg, Germany |
| 53.4 | Appointed | Francesco Brunone Fazzi † | Bishop of San Miniato, Italy |
| 55.1 | Appointed | Carlo Giuseppe Filippa della Martiniana † | Cardinal, Bishop of Vercelli, Italy |
| Appointed | Andrea Benedetto Ganassoni † | Bishop of Feltre, Italy |
| Appointed | Stefano Giustiniani † | Bishop of Albenga, Italy |
| 44.3 | Elevated to Cardinal | Frantisek de Paula Herzan von Harras † | Cardinal, Bishop of Szombathely, Hungary |
| 35.4 | Elevated to Cardinal | Alessandro Mattei † | In Pectore | Cardinal, Bishop of Ostia (-Velletri), Italy |
| 33.1 | Appointed | Salvatore Spinelli, O.S.B. † | Bishop of Catanzaro, Italy | Archbishop of Salerno, Italy |
| 48.4 | Appointed | Johann Nepomuk August Reichfreiherr Ungelter von Deisenhausen † | Auxiliary Bishop of Augsburg, Germany |
| 48.4 | Appointed | Johann Nepomuk August Reichfreiherr Ungelter von Deisenhausen † | Titular Bishop of Pella | Auxiliary Bishop of Augsburg, Germany |
| 55.3 | Appointed | Luis Velasco, O.F.M. † | Bishop of Paraguay |
| 14 Jul | | Born | Buenaventura Cano Torrente, O. de M. † | La Ñora, Spain | Titular Bishop of Magydus |
| 15 Jul | | Born | Nicolas-Augustin de la Croix d'Azolette † | Proprières | Archbishop Emeritus of Auch, France |
| 17 Jul | 68.4 | Appointed | Johann Mathäus Schweiberer † | Titular Bishop of Antipatris | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 24 Jul | 66.7 | Died | Adam Ernst Bernclau von Schönreith † | Auxiliary Bishop of Regensburg, Germany |
| 27 Jul | 68.4 | Appointed | Johann Mathäus Schweiberer † | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 28 Jul | | Born | Giuseppe II Maria Traversi di Pereta † | Pitigliano | Bishop of Massa Marittima, Italy |
| 31 Jul | | Born | Ignacio Díaz Caneja † | Oseja de Sajambre | Bishop of Oviedo, Spain |
| Aug | | Appointed | Felice Paoli † | Bishop of Fossombrone, Italy | Bishop of Recanati-Loreto, Italy |
| 8 Aug | 33.9 | Ordained Bishop | Camille-Louis-Apollinaire de Polignac † | Bishop of Meaux, France | Bishop Emeritus |
| 9 Aug | 75.5 | Died | Antônio de São José Moura Marinho, O.S.A. † | Archbishop of São Salvador da Bahia, Brazil |
| 10 Aug | 23.7 | Ordained Priest | Agostino Albergotti † | Priest | Bishop of Arezzo, Italy |
| 11 Aug | | Appointed | Hugh MacMullan † | Bishop of Down and Connor, Ireland |
| 15 Aug | 68.5 | Ordained Bishop | Johann Mathäus Schweiberer † | Titular Bishop of Antipatris | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 18 Aug | 64.9 | Resigned | Gennaro Antonio de Simone † | Bishop of Pesaro, Italy | Cardinal, Bishop Emeritus |
| 24 Aug | 43.0 | Ordained Bishop | Cayetano Francos y Monroy † | Archbishop of Guatemala |
| 29 Aug | 76.5 | Died | Miguel da Anunciação † | Bishop of Coimbra, Portugal |
| 44.4 | Succeeded | Francisco de Lemos de Faria Pereira Coutinho † | Bishop of Coimbra, Portugal |
| 48.5 | Ordained Bishop | Johann Nepomuk August Reichfreiherr Ungelter von Deisenhausen † | Titular Bishop of Pella | Auxiliary Bishop of Augsburg, Germany |
| 2 Sep | | Born | Antolín García Lozano † | Atienza | Bishop of Salamanca, Spain |
| 14 Sep | 73.7 | Died | Miguel de Bulhões e Souza, O.P. † | Bishop of Leiria, Portugal |
| 18 Sep | 26.0 | Ordained Priest | Louis Joseph d'Humières † | Priest | Archbishop of Avignon, France |
| 23.9 | Ordained Priest | Carlo Fioravanti † | Priest | Bishop of Rieti, Italy |
| 22.9 | Ordained Priest | Simon Melchior de Petris † | Priest of Brixen {Bressanone}, Italy | Vicar Apostolic Emeritus of Seckau, Austria |
| Born | Tomás Roda Rodríguez † | Murtas | Bishop of Jaén, Spain |
| 19 Sep | 49.0 | Ordained Bishop | Franz Ludwig Reichsfreiherr von Erthal † | Bishop of Würzburg, Germany |
| 20 Sep | | Appointed | Rocco Maria Barsanti † | Bishop of Pesaro, Italy |
| Appointed | Vincenzo Ferretti † | Bishop of Rimini, Italy |
| Appointed | Saverio Marini † | Bishop of Rieti, Italy |
| 55.3 | Appointed | Andrea Antonio Silverio Minucci † | Archbishop of Fermo, Italy |
| 21 Sep | | Born | Castruccio Castracane degli Antelminelli † | Urbino | Cardinal, Bishop of Palestrina, Italy |
| 25 Sep | | Died | Alexander Irwin † | Bishop of Killala, Ireland |
| 28 Sep | 66.7 | Died | Joseph de Saint-André de Marnays de Vercel † | Bishop of (Saint-Lizier de) Couserans, France |
| 30 Sep | 44.1 | Appointed | John Geddes † | Coadjutor Vicar Apostolic of Lowland District, Scotland, Great Britain | Coadjutor Vicar Apostolic Emeritus |
| 44.1 | Appointed | John Geddes † | Titular Bishop of Marocco o Marruecos, Titular Sees | Coadjutor Vicar Apostolic Emeritus of Lowland District, Scotland, Great Britain |
| 43.7 | Appointed | Alexander MacDonald † | Vicar Apostolic of Highland District, Scotland, Great Britain |
| 43.7 | Appointed | Alexander MacDonald † | Titular Bishop of Polemonium | Vicar Apostolic of Highland District, Scotland, Great Britain |
| 37.5 | Appointed | William Gregory Sharrock, O.S.B. † | Coadjutor Vicar Apostolic of Western District, England, Great Britain | Vicar Apostolic |
| 37.5 | Appointed | William Gregory Sharrock, O.S.B. † | Titular Bishop of Telmissus | Vicar Apostolic of Western District, England, Great Britain |
| 10 Oct | | Born | Giovanni Soglia Ceroni † | Casola Valsenio | Cardinal, Secretary of the Secretariat of State |
| 16 Oct | 79.9 | Died | Bonaventure Bauyn † | Bishop of Uzés, France |
| Born | Mariano Martínez Robledo y Robledo † | Granada | Bishop of Guadix, Spain |
| 29 Oct | 52.3 | Died | Antonio de Torres, O.S.B. † | Bishop of Sessa Aurunca, Italy |
| 31 Oct | 50.6 | Ordained Bishop | Juan Antonio Gallego y Orbigo, O.F.M. † | Bishop of Nueva Caceres, Philippines | Archbishop of Manila, Philippines |
| Nov | | Born | Maximos III Michel Mazloum † | Alep | Patriarch of Antiochia {Antioch} (Melkite), Syria |
| 11 Nov | 52.3 | Died | Miguel García San Esteban, O.P. † | Bishop of Nueva Segovia, Philippines |
| 14 Nov | | Born | Gregorio Zelli, O.S.B. † | Vetralla | Bishop of Ascoli Piceno, Italy |
| 19 Nov | 68.7 | Died | Franz Anton Xaver Reichsfreiherr von Scheben † | Auxiliary Bishop of Worms, Germany |
| 21 Nov | 50.1 | Ordained Bishop | Francisco José Marán † | Bishop of Concepción, Chile | Bishop of Santiago de Chile |
| 22 Nov | 17.9 | Professed | Manuel Nicolau de Almeida, O.C.D. † | Member of Order of Discalced Carmelites | Bishop of Angra, Portugal |
| 54.5 | Installed | Juan Antonio de Jesús Sacedón Sánchez, O.F.M. † | Bishop of Linares o Nueva León, Nuevo León, México |
| 28 Nov | 83.9 | Died | Manuel Pérez Minayo † | Bishop of Badajoz, Spain |
| 30 Nov | 49.1 | Ordained Bishop | Vicente do Espirito Santo, O.A.D. † | Bishop of São Tomé e Príncipe | Prelate of Goiás, Brazil |
| 11 Dec | 87.2 | Died | Alessandro Albani † | Cardinal, Archivist of the Vatican Secret Archives |
| 13 Dec | 61.1 | Appointed | Pasquale Acquaviva d’Aragona † | Cardinal-Deacon of S. Maria in Cosmedin | Cardinal, Cardinal-Deacon of S. Eustachio |
| 48.3 | Appointed | Francesco Benincasa, S.J. † | Bishop of Carpi, Italy |
| 58.2 | Appointed | Antônio Corrêa, O.S.A. † | Archbishop of São Salvador da Bahia, Brazil |
| 67.5 | Appointed | Pedro Cortez y Larraz † | Archbishop (Personal Title) of Tortosa, Spain | Bishop Emeritus |
| 55.3 | Appointed | Agustín Lezo Palomeque † | Bishop of Pamplona, Spain | Archbishop of Zaragoza, Spain |
| 60.0 | Appointed | Diego Martín Rodríguez, O.F.M. † | Bishop of Ceuta, Spain | Bishop of Coria, Spain |
| 69.1 | Appointed | Andrea Negroni † | Cardinal, Cardinal-Deacon of S. Agata de’ Goti |
| 60.5 | Appointed | Domenico Orsini d'Aragona † | Cardinal, Cardinal-Deacon of S. Maria in Via Lata |
| 45.0 | Appointed | Valentin Anton Reichsgraf von Schneid † | Auxiliary Bishop of Regensburg, Germany |
| 45.0 | Appointed | Valentin Anton Reichsgraf von Schneid † | Titular Bishop of Corycus | Auxiliary Bishop of Regensburg, Germany |
| 46.1 | Appointed | Paolantonio Agostini Zamperoli † | Bishop of Urbania-Sant’Angelo in Vado, Italy |
| 15 Dec | 62.3 | Appointed | Francesco Saverio de Zelada † | Cardinal, Archivist of the Vatican Secret Archives |
| 18 Dec | 35.0 | Appointed | Dominic Bellew † | Bishop of Killala, Ireland |
| 23.3 | Ordained Priest | François-François Besson † | Priest | Bishop of Metz, France |
| 22.8 | Ordained Priest | Antonio Gabriele Severoli † | Priest | Cardinal, Bishop of Viterbo e Tuscania, Italy |
| 25.9 | Ordained Priest | Charles-Maurice de Talleyrand-Périgord † | Priest | Bishop Emeritus of Autun, France |
| 19 Dec | | Born | Giovanni Battista Parretti † | Castello di Segna | Archbishop of Pisa, Italy |
| 20 Dec | | Born | Tommaso Bernetti † | Fermo | Cardinal, Secretary Emeritus of the Secretariat of State |
| 23 Dec | 53.8 | Appointed | Bartolomeo Bacher † | Bishop of Ripatransone, Italy |
| 26 Dec | 71.6 | Died | Johann Philipp Karl Anton Reichsfreiherr von Fechenbach zu Laudenbach † | Titular Bishop of the Titular See |
| 27 Dec | 54.6 | Died | Juan Antonio de Jesús Sacedón Sánchez, O.F.M. † | Bishop of Linares o Nueva León, Nuevo León, México |