| Date | Age | Event | Bishop | Title | Current Title |
| 1 Jul | | Appointed | Alexander Irwin † | Bishop of Killala, Ireland |
| 6 Jul | 68.3 | Died | Ludovico Sabatini † | Bishop of L’Aquila, Italy |
| 7 Jul | 24.6 | Ordained Priest | Manuel de Aguiar † | Priest | Bishop of Leiria, Portugal |
| 10 Jul | 65.9 | Appointed | Giuseppe de Vignoli † | Bishop of Forli, Italy |
| 11 Jul | | Born | Antonio Burbano, O.S.A. † | Pasto | Auxiliary Bishop of Popayán, Colombia |
| 13 Jul | 53.3 | Resigned | Nicola Bizzarri † | Bishop of Forli, Italy | Bishop Emeritus |
| 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 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 Santi XII Apostoli | Cardinal, Cardinal-Bishop of Sabina |
| 43.5 | Appointed | Joseph Adam Arco † | Bishop of Hradec Králové, Czech Republic | Bishop of Seckau, Austria |
| 50.8 | Installed | Guido Calcagnini † | Cardinal-Priest of Santa Maria in Traspontina | Cardinal, Bishop of Osimo e Cingoli, Italy |
| 70.1 | Appointed | Carlo Camuzi † | Titular Archbishop of Tarsus | Bishop Emeritus of Capodistria (Capo d’Istria)(Koper), Slovenia |
| 70.1 | Resigned | Carlo Camuzi † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia | Bishop Emeritus |
| 50.6 | Appointed | Giovanni Benedetto Maria Ciuran (Civran) † | Bishop of Chioggia, Italy |
| 41.1 | Appointed | Andrea Corsini † | Cardinal, Cardinal-Bishop of Sabina |
| 50.2 | Appointed | Bonifacio Da Ponte, O.S.B. † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
| 69.5 | Appointed | Pietro Silvio di Gennaro † | Bishop of Minervino Murge, Italy | Bishop of Venosa, Italy |
| 43.3 | Appointed | Emilio Gentile † | Bishop of Alife, Italy |
| 46.9 | Appointed | Dominique Maria de Santini † | Bishop of Nebbio, France | Bishop Emeritus |
| 44.3 | Appointed | Giovanni Domenico Straticò, O.P. † | Bishop of Novigrad (Cittanova), Croatia | Bishop of Hvar (Lesina), Croatia |
| 49.9 | Appointed | Jacques-Thomas-Joseph Wellens † | Bishop of Antwerpen {Antwerp, Anvers}, Belgium |
| 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 |
| 50.2 | Ordained Bishop | Bonifacio Da Ponte, O.S.B. † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
| 69.5 | Ordained Bishop | Pietro Silvio di Gennaro † | Bishop of Minervino Murge, Italy | Bishop of Venosa, Italy |
| 43.4 | Ordained Bishop | Emilio Gentile † | Bishop of Alife, Italy |
| 32.7 | Ordained Priest | Wojciech Skarszewski † | Priest | Archbishop of Warszawa {Warsaw}, Poland |
| 44.3 | Ordained Bishop | Giovanni Domenico Straticò, O.P. † | Bishop of Novigrad (Cittanova), Croatia | Bishop of Hvar (Lesina), Croatia |
| 22 Jul | 64.6 | Died | Charles-Gilbert de May de Termont † | Bishop of Blois, France |
| 2 Aug | 72.3 | Died | Girolamo Palermo, C.R. † | Bishop Emeritus of Mazara del Vallo, Italy |
| 4 Aug | 24.8 | Ordained Priest | Feliks Łukasz Lewiński † | Priest | Bishop of Janów Podlaski (Podlaska o Janów), Poland |
| 5 Aug | 44.8 | Died | Antonius Romanus Malingri † | Archbishop of Oristano, Italy |
| 12 Aug | 58.7 | Ordained Bishop | Maximilian Augustinus Christoph von Rodt † | Bishop of Konstanz {Constance}, Germany |
| 72.8 | Died | Benedetto Veterani † | Cardinal, Cardinal-Deacon of Santi Cosma e Damiano |
| 17 Aug | 34.9 | Died | Franz Karl Maria Cajetan von Firmian † | 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 Arco † | Bishop of Hradec Králové, Czech Republic | Bishop of Seckau, Austria |
| 47.5 | Ordained Priest | Joseph-Vincent de Beni † | Priest | Bishop Emeritus of Carpentras, France |
| 26 Aug | | Born | Evasio Secundo Agodino † | Torino | Bishop of Aosta, Italy |
| 23.1 | Ordained Priest | Jakub Ignacy Dederko † | Priest of Society of Jesus | Bishop of Minsk, Belarus |
| Died | Nicolas-Xavier Santamarie † | Titular Bishop of Cyrene |
| 1 Sep | 59.4 | Ordained Bishop | Francisco (Martinez) Polanco (López de Lorena) † | Bishop of Chiapas (Ciudad Real de Chiapas), México |
| 25.8 | Ordained Deacon | Andreas Wołłowicz † | Deacon | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 4 Sep | 41.6 | Died | Joseph Paul Sedeler † | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 8 Sep | 47.0 | Ordained Bishop | Dominique Maria de Santini † | Bishop of Nebbio, France | Bishop Emeritus |
| 50.0 | Ordained Bishop | Jacques-Thomas-Joseph Wellens † | Bishop of Antwerpen {Antwerp, Anvers}, Belgium |
| 11 Sep | | Born | Agustín Lorenzo Varela Temes † | Sabadelle | Bishop of Salamanca, Spain |
| 14 Sep | 73.6 | Died | Samuel Głowiński † | Auxiliary Bishop of Lviv, Ukraine |
| Born | Carlos de São José e Souza, O.C.D. † | Recife | Bishop of São Luís do Maranhão, Brazil |
| 16 Sep | 47.6 | Appointed | Joseph-Vincent de Beni † | Bishop of Carpentras, France | Bishop Emeritus |
| 46.2 | Confirmed | Franciscus von Berchtold † | Bishop of Banská Bystrica, Slovakia |
| 42.4 | Appointed | François de Bonnal (Bonal) † | Bishop of Clermont, France |
| 46.3 | Appointed | Pál László Esterházy † | Auxiliary Bishop of Vác, Hungary | Bishop of Pécs, Hungary |
| 46.3 | Appointed | Pál László Esterházy † | Titular Bishop of Sebastopolis in Armenia | Bishop of Pécs, Hungary |
| 35.1 | Appointed | Marie-Anne-Hippolyte Hay de Bonteville † | Bishop of Saint-Flour, France | Bishop of Grenoble, France |
| 65.7 | Appointed | Francisco Ramón Herboso y Figueroa, O.P. † | Archbishop of La Plata o Charcas, Bolivia |
| 34.7 | Appointed | Alexandre-François-Amédée-Adonis-Louis-Joseph de Lauzières de Thémines † | Bishop of Blois, France |
| Appointed | Ádám Patačić † | Archbishop of Kalocsa, Hungary |
| 58.5 | Appointed | Antonius de Révay † | Bishop of Rožňava, Slovakia | Bishop of Nitra, Slovakia |
| Born | Cipriano Sánchez Varela † | San Lorenzo del Escorial | Bishop of Plasencia, Spain |
| 35.7 | Appointed | Francesco Pio Santi † | Bishop of Sovana (Soana), Italy |
| 51.8 | Confirmed | Peter Michael Vigil von Thun und Hohenstein † | Bishop of Trento, Italy |
| 63.8 | Appointed | Girolamo Volpi † | Titular Archbishop of Neocaesarea in Ponto |
| 20 Sep | | Born | Matteo Raunicher † | Vazhe | Bishop of Trieste e Capodistria (Koper), Italy |
| 21 Sep | 23.0 | Ordained Priest | Giovanni Battista Canaveri, C.O. † | Priest of Confederation of Oratorians of St. Philip Neri | Bishop of Biella, Italy |
| 24.0 | Ordained Priest | Anne-Louis-Henri de La Fare † | Priest of Dijon, France | Cardinal, Archbishop of Sens (-Auxerre), France |
| 22.9 | Ordained Priest | Ferdinandus Lomellino, O.S.B. † | Priest of Order of Saint Benedict | Titular Bishop of Antipatris |
| 35.8 | Ordained Bishop | Francesco Pio Santi † | Bishop of Sovana (Soana), Italy |
| 22 Sep | 25.8 | Ordained Priest | Andreas Wołłowicz † | Priest | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 25 Sep | 67.7 | Died | Thomas Burke (de Burgo), O.P. † | Bishop of Ossory, Ireland |
| 29 Sep | 47.6 | Ordained Bishop | Joseph-Vincent de Beni † | Bishop of Carpentras, France | Bishop Emeritus |
| 63.8 | Ordained Bishop | Girolamo Volpi † | Titular Archbishop of Neocaesarea in Ponto |
| 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, Italy | 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 |
| 13 Oct | 46.3 | Ordained Bishop | Franciscus von Berchtold † | Bishop of Banská Bystrica, Slovakia |
| 16 Oct | 43.8 | Appointed | Paul Dovanlia † | Bishop of Nicopoli, Bulgaria |
| 17 Oct | 71.0 | Died | Johann Wenzel Xaver Frey von Freyenfels † | Auxiliary Bishop of Olomouc (Olmütz), Czech Republic |
| 20 Oct | 71.8 | Died | Manuel Antonio de la Torre † | Bishop of Buenos Aires, Argentina |
| 27 Oct | 63.4 | Died | Cesare Antonio Caracciolo, C.R. † | Archbishop of Conza, Italy |
| 28 Oct | 60.0 | Died | Agustín Gorritátegui (Gorrichategui) † | Bishop of Cuzco, Peru |
| 31 Oct | 62.6 | Died | Maxmilián von Hamilton † | Bishop of Olomouc (Olmütz), Czech Republic |
| Nov | 87.8 | Died | Stjepan Blasković, C.O. † | Bishop of Makarska, Croatia |
| 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 {Lisbon}, Portugal |
| 6 Nov | 47.6 | Installed | Jean-Charles-Vincent-Gaspar-Constantin-Antoine Giovio † | Archbishop of Avignon, France |
| 11 Nov | 53.0 | Installed | Karol Salbeck † | Bishop of Spiš, Slovakia |
| 13 Nov | 20.4 | Professed | Bernhard Boll, O. Cist. † | Member of Order of Cistercians | Archbishop of Freiburg im Breisgau, Germany |
| 15 Nov | 65.6 | Died | Giuseppe Maria Foschi † | Bishop of Lucera, Italy |
| 17 Nov | 56.2 | Died | Francisco de los Ríos y Armengol, O.P. † | Bishop of Panamá |
| 47.5 | Ordained Bishop | Ignaz Franz Stanislaus von Spaur † | Titular Bishop of Chrysopolis in Arabia | Bishop of Brixen {Bressanone}, Italy |
| 19 Nov | | Born | Raffaele Serena † | Napoli | Auxiliary Bishop of Napoli {Naples}, Italy |
| 24 Nov | 52.9 | Ordained Bishop | Mateo Joaquin Rubio de Arevalo † | Bishop of Cebu, Philippines |
| 28 Nov | 76.1 | Died | Deodatus Baiardi † | Bishop of Urbania-Sant’Angelo in Vado, Italy |
| 30 Nov | 52.0 | Ordained Bishop | Peter Michael Vigil von Thun und Hohenstein † | Bishop of Trento, Italy |
| 1 Dec | | Appointed | Andrew Donnellan † | Coadjutor Bishop of Clonfert, Ireland | Bishop |
| 16 Dec | 54.5 | Appointed | Michele Continisi † | Bishop of Giovinazzo e Terlizzi, Italy |
| 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 |
| 44.4 | Appointed | Francesco Vincenzo Layezza (Laiezza) † | Bishop of Marsi, Italy |
| 52.0 | Appointed | Stephanus Nagy † | Auxiliary Bishop of Esztergom, Hungary |
| 52.0 | Appointed | Stephanus Nagy † | Titular Bishop of Themiscyra | Auxiliary Bishop of Esztergom, Hungary |
| 56.7 | Appointed | Georgius Richvaldszky † | Auxiliary Bishop of Esztergom, Hungary |
| 56.7 | Appointed | Georgius Richvaldszky † | Titular Bishop of Tanagra | Auxiliary Bishop of Esztergom, Hungary |
| 64.0 | Appointed | Ignazio Andrea Sambiase, C.R. † | Archbishop of Conza, Italy |
| 47.2 | Appointed | Stefano Domenico Sceriman, O.P. † | Bishop of Caorle, Italy | Bishop of Chioggia, Italy |
| 51.9 | Appointed | Blas Manuel Sobrino y Minayo † | Bishop of Quito, Ecuador | Bishop of Trujillo, Peru |
| 39.6 | Appointed | Thomas Johann Kaspar von Thun und Hohenstein † | Auxiliary Bishop of Passau, Germany | Bishop |
| 39.6 | Appointed | Thomas Johann Kaspar 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 Hippo Diarrhytus | Auxiliary Bishop of Praha {Prague}, Czech Republic |
| 61.6 | Appointed | Francesco Zunica † | Archbishop of Acerenza e Matera, Italy |
| 18 Dec | 23.1 | Ordained Deacon | Emeric Karol Raffay † | Deacon of Zagreb (Agram), Croatia | Bishop of Bosna (Djakovo) et Srijem, Croatia |
| 20 Dec | | Born | Diego de Aranda y Carpinteiro † | Puebla | Bishop of Guadalajara, Jalisco, México |
| Appointed | Andrew Donnellan † | Titular Bishop of Antiphellus | Bishop of Clonfert, Ireland |
| 21 Dec | 24.1 | Ordained Priest | Jean-Baptiste-Marie Aubriot de la Palme † | Priest | Bishop Emeritus of Aosta, Italy |
| 24.9 | Ordained Priest | Charles-François-Marie Petit-Benoit de Chaffoy † | Priest | Bishop of Nîmes, France |
| 54.5 | Ordained Bishop | Michele Continisi † | Bishop of Giovinazzo e Terlizzi, Italy |
| 22.8 | Ordained Priest | Giuseppe Della Casa † | Priest | Bishop of Alatri, Italy |
| 30.0 | Ordained Bishop | Nicolò Saverio Gamboni † | Bishop of Capri, Italy | Patriarch of Venezia {Venice}, Italy |
| 24.3 | Ordained Priest | Francesco Maria Giampè † | Priest | Bishop of Assisi, Italy |
| 44.4 | Ordained Bishop | Francesco Vincenzo Layezza (Laiezza) † | Bishop of Marsi, 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 (Agram), Croatia | Bishop of Bosna (Djakovo) et Srijem, Croatia |
| 24.1 | Ordained Priest | Domenico Russo † | Priest | Bishop of Ariano, Italy |
| 61.6 | Ordained Bishop | Francesco Zunica † | Archbishop of Acerenza e Matera, Italy |
| 22 Dec | 47.2 | Ordained Bishop | Stefano Domenico Sceriman, O.P. † | Bishop of Caorle, Italy | Bishop of Chioggia, Italy |
| 23 Dec | 23.1 | Ordained Priest | Felice Levreri (Levrieri) † | Priest | Bishop of Ventimiglia, Italy |
| 27 Dec | 78.8 | Retired | Pierre-Jules-César de Rochechouard-Montigny † | Bishop of Bayeux, France | Bishop Emeritus |
| 28 Dec | | Born | José Hurtado de Mendoza † | Cordoba | Auxiliary Bishop-Elect of Córdoba (Tucumán), Argentina |