| Date | Age | Event | Bishop | Title | Current Title |
| Jul | 34.9 | Appointed | Marie-Anne-Hippolyte Hay de Bonteville † | Bishop of Saint-Flour, France | Bishop of Grenoble, France |
| 1 Jul | | Born | Antonio Burbano † | Pasto | Auxiliary Bishop of Popayán, Colombia |
| Appointed | Alexander Irwin † | Bishop of Killala, Ireland |
| 10 Jul | | Resigned | Joseph de Vignoli † | Bishop of Carpentras, France | Bishop Emeritus |
| 13 Jul | 42.3 | Professed | Nicolas Champenois, M.E.P. † | Priest of La Société des Missions Etrangères | Vicar Apostolic of Verapoly, India |
| 14 Jul | 31.2 | Ordained Bishop | Wilhelm Florentin Fürst von Salm-Salm † | Bishop of Tournai {Doornik}, Belgium | Archbishop of Praha {Prague}, Czech Republic |
| 40.5 | Ordained Bishop | Pedro Benito Antonio Quevedo y Quintano † | Cardinal, Bishop of Orense, Spain |
| 15 Jul | 39.9 | Installed | Giovanni Archinto † | Cardinal-Priest of Ss. XII Apostoli | Cardinal, Cardinal-Bishop of Sabina |
| 43.5 | Appointed | Joseph Adam Graf Arco † | Bishop of Hradec Králové, Czech Republic | Bishop of Seckau, Austria |
| 50.8 | Installed | Guido Calcagnini † | Cardinal-Priest of S. Maria in Traspontina | Cardinal, Bishop of Osimo e Cingoli, Italy |
| 41.1 | Appointed | Andrea Corsini † | Cardinal, Cardinal-Bishop of Sabina |
| 43.3 | Appointed | Emilio Gentile † | Bishop of Alife, Italy |
| 46.9 | Ordained Bishop | Dominique de Santini † | Bishop of Nebbio, France | Bishop Emeritus |
| 18 Jul | | Born | Pasquale de Nicolais † | Cervinara | Bishop of Nusco, Italy |
| 21 Jul | 25.9 | Ordained Priest | Ignacy Bardziński † | Priest of Gniezno, Poland | Auxiliary Bishop |
| 41.1 | Ordained Bishop | Andrea Corsini † | Bishop of Sabina | Cardinal, Cardinal-Bishop |
| 43.4 | Ordained Bishop | Emilio Gentile † | Bishop of Alife, Italy |
| 22 Jul | 64.6 | Died | Charles-Gilbert de May de Termont † | Bishop of Blois, France |
| 12 Aug | 58.7 | Ordained Bishop | Maximilian Augustinus Christoph Reichsfreiherr von Rodt † | Bishop of Konstanz {Constance}, Germany |
| 72.8 | Died | Benedetto Veterani † | Cardinal, Cardinal-Deacon of Ss. Cosma e Damiano |
| 17 Aug | 34.9 | Died | Franz Karl Maria Cajetan Reichsgraf von Firmian † | Auxiliary Bishop of Passau, Germany |
| 18 Aug | 78.8 | Died | Johannes Christoph Ludwig Reichsgraf von Kuenburg † | Auxiliary Bishop of Passau, Germany |
| 20 Aug | | Born | Manuel Bernardo Morete Bodelón † | Magaz de Arriba | Bishop of Astorga, Spain |
| 25 Aug | 43.6 | Installed | Joseph Adam Graf Arco † | Bishop of Hradec Králové, Czech Republic | Bishop of Seckau, Austria |
| 26 Aug | 23.1 | Ordained Priest | Jakub Ignacy Dederko † | Priest of Society of Jesus | Bishop of Minsk, Belarus |
| 4 Sep | 41.6 | Died | Joseph Paul Sedeler † | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 11 Sep | | Born | Agustín Lorenzo Varela Temes † | Sabadelle | Bishop of Salamanca, Spain |
| 16 Sep | 47.7 | Ordained Bishop | Joseph-Vincent de Beni † | Bishop of Carpentras, France | Bishop Emeritus |
| Born | Cipriano Sánchez Varela † | San Lorenzo de El Escorial | Bishop of Plasencia, Spain |
| 51.8 | Confirmed | Peter Michael Vigil Reichsgraf von Thun und Hohenstein † | Bishop of Trento, Italy |
| 21 Sep | 24.0 | Ordained Priest | Anne-Louis-Henri de La Fare † | Priest of Dijon, France | Cardinal, Archbishop of Sens (-Auxerre), France |
| 25 Sep | 67.7 | Died | Thomas Burke (de Burgo), O.P. † | Bishop of Ossory, Ireland |
| 30 Sep | 63.1 | Appointed | Pierre Brigot, M.E.P. † | Vicar Apostolic of Verapoly, India |
| 66.5 | Succeeded | Olivier-Simon Le Bon, M.E.P. † | Vicar Apostolic of Siam, Thailand |
| 3 Oct | | Born | Thomas Walsh † | London | Vicar Apostolic of London District, England, Great Britain |
| 4 Oct | | Born | Antonio Tosti † | Rome | Cardinal, Librarian of the Vatican Library |
| 6 Oct | 42.4 | Ordained Bishop | François de Bonnal (Bonal) † | Bishop of Clermont, France |
| 35.2 | Ordained Bishop | Marie-Anne-Hippolyte Hay de Bonteville † | Bishop of Saint-Flour, France | Bishop of Grenoble, France |
| 34.7 | Ordained Bishop | Alexandre-François-Amédée-Adonis-Louis-Joseph de Lauzières de Thémines † | Bishop of Blois, France |
| 11 Oct | | Born | Bernard Georg Kellermann † | Freckenhorst | Bishop-Elect of Münster, Germany |
| 17 Oct | 71.0 | Died | Johann Wenzel Xaver Freiherr Frey von Freyenfels † | Auxiliary Bishop of Olomouc, Czech Republic |
| 20 Oct | 71.8 | Died | Manuel Antonio de la Torre † | Bishop of Buenos Aires, Argentina |
| 28 Oct | 60.0 | Died | Agustín Gorritátegui (Gorrichategui) † | Bishop of Cuzco, Peru |
| 31 Oct | 62.6 | Died | Maximilian Reichsgraf von Hamilton † | Bishop of Olomouc, Czech Republic |
| Nov | 28.8 | Ordained Priest | Henry Conwell † | Priest | Bishop of Philadelphia, Pennsylvania, USA |
| 1 Nov | 53.4 | Died | Francisco de Saldanha da Gama † | Cardinal, Patriarch of Lisboa, Portugal |
| 6 Nov | 47.6 | Installed | Jean-Charles-Vincent-Gaspar-Constantin-Antoine Giovio † | Archbishop of Avignon, France |
| 11 Nov | 51.0 | Installed | Karol Salbeck † | Bishop of Spiš, Slovakia |
| 12 Nov | | Born | Joaquim de Nossa Senhora de Nazareth Oliveira e Abreu, O.F.M. † | Nazaré Pederneira | Bishop of Coimbra, Portugal |
| 17 Nov | 56.2 | Died | Francisco de los Ríos y Armengol, O.P. † | Bishop of Panamá |
| 47.5 | Ordained Bishop | Ignaz Franz Stanislaus Reichsgraf von Spaur † | Titular Bishop of Chrysopolis in Arabia | Bishop of Brixen {Bressanone}, Italy |
| 30 Nov | 52.0 | Ordained Bishop | Peter Michael Vigil Reichsgraf von Thun und Hohenstein † | Bishop of Trento, Italy |
| 1 Dec | | Appointed | Andrew Donnellan † | Coadjutor Bishop of Clonfert, Ireland | Bishop |
| 16 Dec | 30.0 | Appointed | Nicolò Saverio Gamboni † | Bishop of Capri, Italy | Patriarch of Venezia {Venice}, Italy |
| 56.4 | Appointed | Juan Domingo González de la Reguera † | Bishop of Santa Cruz de la Sierra, Bolivia | Archbishop of Lima, Peru |
| 51.9 | Appointed | Blas Manuel Sobrino y Minayo † | Bishop of Quito, Ecuador | Bishop of Trujillo, Peru |
| 39.6 | Appointed | Thomas Johann Kaspar Reichsgraf von Thun und Hohenstein † | Auxiliary Bishop of Passau, Germany | Bishop |
| 39.6 | Appointed | Thomas Johann Kaspar Reichsgraf von Thun und Hohenstein † | Titular Bishop of Thyatira | Bishop of Passau, Germany |
| 37.6 | Appointed | John Thomas Troy, O.P. † | Bishop of Ossory, Ireland | Archbishop of Dublin, Ireland |
| 61.1 | Appointed | Franz Xaver Twrdy † | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 61.1 | Appointed | Franz Xaver Twrdy † | Titular Bishop of Hippos | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 20 Dec | | Born | Diego de Aranda y Carpinteiro † | Puebla | Bishop of Guadalajara, Jalisco, México |
| 21 Dec | 22.8 | Ordained Priest | Giuseppe Della Casa † | Priest | Bishop of Alatri, Italy |
| 24.2 | Ordained Priest | John Milner † | Priest | Vicar Apostolic of Midland District, England, Great Britain |
| 23.1 | Ordained Priest | Emeric Karol Raffay † | Priest of Zagreb, Croatia | Bishop of Sirmio, Croatia |
| 27 Dec | 78.8 | Retired | Pierre-Jules-César de Rochechouard-Montigny † | Bishop of Bayeux, France | Bishop Emeritus |