| Date | Age | Event | Bishop | Title | Current Title |
| Jul | 77.5 | Died | Bernardo Bonaventura Bokenhemer, O.F.M. † | Titular Bishop of Apollonia |
| 61.3 | Appointed | Vitaliano Borromeo † | Cardinal, Prefect of the Congregation of Ecclesiastical Immunity |
| 1 Jul | 61.1 | Ordained Bishop | Antonio Martini † | Archbishop of Firenze {Florence}, Italy |
| Born | Pier Francesco Muccioli, O.F.M. Conv. † | | Apostolic Administrator Emeritus of Anagni, Italy |
| 6 Jul | | Born | Giuseppe-Maria Amorelli † | | Bishop of Siracusa, Italy |
| 9 Jul | | Born | Cirilo de Alameda y Brea, O.F.M. Obs. † | | Cardinal, Archbishop of Toledo, Spain |
| 10 Jul | 69.1 | Died | Miguel Fernando Merino † | Bishop of Ávila, Spain |
| 13 Jul | | Born | Feliciano José Rodrigues de Araujo Prates (de Castilhos) † | | Bishop of São Pedro do Rio Grande do Sul, Brazil |
| 14 Jul | 64.9 | Died | Lorenzo Lay y Anzano, O.P. † | Bishop of Segorbe, Spain |
| 21 Jul | 61.0 | Died | Agustín de Alvarado y Castillo † | Bishop of Ciudad Rodrigo, Spain |
| 22 Jul | | Born | Vincenzo Massi † | | Apostolic Nuncio to Sardinia, Italy |
| 27 Jul | 83.1 | Died | Giuseppe Filippo Porporato † | Bishop of Saluzzo, Italy |
| 28 Jul | | Born | Filippo Appignanesi † | | Bishop of Ripatransone, Italy |
| 30 Jul | | Born | Giuseppe Crispi † | | Titular Bishop of Lampsacus |
| 5 Aug | 40.0 | Ordained Bishop | Ignác Batthyány † | Bishop of Transilvania, Erdély, Siebenbürgen, Romania |
| 25.5 | Ordained Priest | Domenico Pes, Sch. P. † | Priest of Order of the Pious Schools | Bishop of Bisarchio o Bisarcio (Ozieri), Italy |
| 17 Aug | 55.0 | Resigned | Pietro Antonio Craveri, O.F.M. Obs. † | Vicar Apostolic of Smirne, Turkey | Bishop of Galtelli-Nuoro (Galtelly Nori), Italy |
| Born | Alessandro Scialdone † | | Auxiliary Bishop of Capua, Italy |
| 18 Aug | | Appointed | Julio Maria Pecori (d’Ameno), O.F.M. Ref. † | Vicar Apostolic of Smirne, Turkey | Vicar Apostolic of Constantinople, Turkey |
| 19 Aug | 66.1 | Ordained Bishop | Antoni Wacław Betański † | Titular Bishop of Troas | Bishop of Przemyśl, Poland |
| 42.1 | Ordained Bishop | Anton Ferdinand von Rothkirch und Panthen † | Titular Bishop of Paphus | Auxiliary Bishop of Wrocław (Breslau), Poland |
| 20 Aug | 66.5 | Died | Manuel Jiménez Pérez, O.S.B. † | Bishop of Puerto Rico (Porto Rico) |
| 21 Aug | | Born | Juan Francisco del Rosario Manfredo y Ballestas † | | Bishop of Panamá |
| 31 Aug | 49.3 | Died | Bernardino Muti † | Apostolic Nuncio to Portugal |
| 2 Sep | 46.0 | Installed | Seignelay (Charles) Colbert (Cuthbert) de Castle Hill † | Bishop of Rodez, France |
| 4 Sep | 55.7 | Died | Nicola Filomarini (Filomarino), O.S.B. † | Bishop of Caserta, Italy |
| 7 Sep | 41.4 | Selected | Maciej Grzegorz Garnysz † | Bishop of Chełm, Poland |
| 8 Sep | | Born | Ferdynand Maria von Chotek † | | Archbishop of Olomouc, Czechia |
| 9 Sep | | Born | Gregorio Sánchez y Jiménez (Rubio), O.S.H. † | | Bishop of Ávila, Spain |
| 10 Sep | 73.7 | Died | Giovanni Donato Durante † | Bishop of Ugento, Italy |
| 11 Sep | 54.2 | Died | Jan Alojzy Aleksandrowicz † | Bishop of Chełm, Poland |
| 14 Sep | | Born | Gennaro Pellino † | | Archbishop of Conza e Campagna, Italy |
| 17 Sep | 51.4 | Appointed | Antun Belglava (Belgravia) † | Bishop of Korčula (Curzola, Cursola), Croatia | Bishop of Trogir (Traù), Croatia |
| 55.2 | Confirmed | Alexander Maria Calefati † | Bishop of Oria, Italy |
| 59.9 | Appointed | Carlo Nicola Maria Fabi Borsella, O.E.S.A. † | Bishop of Bobbio, Italy |
| 56.3 | Appointed | Ludwik Stanisław Górski, Sch. P. † | Auxiliary Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 56.3 | Appointed | Ludwik Stanisław Górski, Sch. P. † | Titular Bishop of Caesaropolis | Auxiliary Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 43.5 | Appointed | Józef Kazimierz Kossakowski † | Bishop of Inflanty (Livonia)-Pilten, Poland |
| 43.5 | Appointed | Erasmus Dionys Krieger † | Auxiliary Bishop of Praha {Prague}, Czechia |
| 43.5 | Appointed | Erasmus Dionys Krieger † | Titular Bishop of Tiberias | Auxiliary Bishop of Praha {Prague}, Czechia |
| 65.8 | Confirmed | Johann Anton von Zehmen † | Bishop of Eichstätt, Germany |
| 20 Sep | 73.1 | Died | Bonaventura Sculco † | Bishop of Bisignano, Italy |
| 21 Sep | 55.2 | Ordained Bishop | Alexander Maria Calefati † | Bishop of Oria, Italy |
| 22 Sep | 23.9 | Ordained Priest | Albertino Philippe Laurent Marie Bellenghi, O.S.B. † | Priest of Order of Saint Benedict | Titular Archbishop of Nicosia |
| 24.1 | Ordained Priest | Tommaso Gallarati Scotti † | Priest of Milano {Milan}, Italy | Auxiliary Bishop |
| 24.0 | Ordained Priest | Girolano Manieri † | Priest of L’Aquila, Italy | Bishop |
| 22.9 | Ordained Priest | Baldassare Rasponti † | Priest | Archbishop of Udine, Italy |
| 23 Sep | 45.7 | Ordained Bishop | Petro Bielański (Bilyanskyi) † | Bishop of Lviv (Ukrainian), Ukraine |
| 59.9 | Ordained Bishop | Carlo Nicola Maria Fabi Borsella, O.E.S.A. † | Bishop of Bobbio, Italy |
| 24 Sep | 53.7 | Died | Flaviano Giacomo Stefano Salustri, O.A.D. † | Bishop of Peking [Beijing], China |
| 25 Sep | | Born | Francesco Agnini † | | Bishop of Luni, Sarzana e Brugnato, Italy |
| 29 Sep | 69.4 | Died | Germain Chasteigner de la Chasteigneraye † | Bishop of Saintes, France |
| 30 Sep | 51.4 | Ordained Bishop | Antun Belglava (Belgravia) † | Bishop of Korčula (Curzola, Cursola), Croatia | Bishop of Trogir (Traù), Croatia |
| 41.4 | Died | François Cittadella † | Bishop of Accia and Mariana, France |
| 46.7 | Died | John Stafford † | Coadjutor Bishop of Ferns, Ireland |
| 7 Oct | 24.3 | Ordained Priest | Giambattista Castelnuovo † | Priest | Bishop of Como, Italy |
| 8 Oct | 57.7 | Selected | Gedeon Daszkiewicz Horbacki † | Coadjutor Bishop of Kyiv-Halyč {Kiev} (Ukrainian), Ukraine | Bishop of Pińsk-Turaŭ (Ukrainian), Belarus |
| 12 Oct | | Born | Marino Paglia † | | Archbishop of Salerno (-Acerno), Italy |
| 14 Oct | 37.0 | Selected | Bl. Pierre-Louis de La Rochefoucauld-Bayers † | Bishop of Saintes, France |
| 16 Oct | 78.4 | Died | Juan Portugal de la Puebla † | Titular Patriarch of Constantinople |
| 21 Oct | 46.0 | Selected | Jean-Baptiste du Chilleau † | Bishop of Chalons-sur-Saône, France | Archbishop of Tours, France |
| 28 Oct | 43.6 | Ordained Bishop | Erasmus Dionys Krieger † | Titular Bishop of Tiberias | Auxiliary Bishop of Praha {Prague}, Czechia |
| 2 Nov | 72.2 | Died | Antonio Cantoni † | Archbishop of Ravenna, Italy |
| 11 Nov | 49.6 | Selected | Pierre Peineau du Verdier, C.O. † | Bishop of Accia and Mariana, France |
| 19 Nov | 64.8 | Resigned | Tomasz Ignacy Zienkowicz † | Auxiliary Bishop of Vilnius, Lithuania | Auxiliary Bishop Emeritus |
| 25 Nov | 66.0 | Ordained Bishop | Johann Anton von Zehmen † | Bishop of Eichstätt, Germany |
| 28 Nov | 75.7 | Died | José Climent Avinent † | Bishop Emeritus of Barcelona, Spain |
| 29 Nov | 21.4 | Professed | Antonio Ramazzini, O.C.D. † | Member of Order of Discalced Carmelites | Vicar Apostolic of Bombay, India |
| Dec | 71.5 | Died | Marco Antonio Lombardi † | Bishop of Crema, Italy |
| 2 Dec | 27.3 | Ordained Priest | Giacomo Ranghiasci † | Priest | Bishop of San Severino (Marche), Italy |
| 3 Dec | | Born | Franz Xavier (Franciszek Ksawery) Luschin (Luszin) † | | Archbishop of Gorizia e Gradisca, Italy |
| 7 Dec | 57.8 | Resigned | Joseph-François d’Andigné de la Chasse † | Bishop of Chalons-sur-Saône, France | Bishop Emeritus |
| 10 Dec | 53.9 | Appointed | José Constancio Andino † | Bishop of Albarracin, Spain | Bishop of Osma, Spain |
| 29.0 | Appointed | François de Pierre de Bernis † | Auxiliary Bishop of Albi, France | Archbishop of Rouen, France |
| 29.0 | Appointed | François de Pierre de Bernis † | Titular Bishop of Apollonia | Archbishop of Rouen, France |
| 18.0 | Professed | Eusebio Luciano Carvalho Gomes da Silva, C.M. † | Member of Congregation of the Mission | Bishop-Elect of Nanking [Nanjing], China |
| 46.1 | Confirmed | Jean-Baptiste du Chilleau † | Bishop of Chalons-sur-Saône, France | Archbishop of Tours, France |
| 57.9 | Confirmed | Gedeon Daszkiewicz Horbacki † | Coadjutor Bishop of Kyiv-Halyč {Kiev} (Ukrainian), Ukraine | Bishop of Pińsk-Turaŭ (Ukrainian), Belarus |
| 66.9 | Died | Francisco Javier Delgado y Venegas † | Cardinal, Patriarch of West Indies, Spain |
| 41.7 | Confirmed | Maciej Grzegorz Garnysz † | Bishop of Chełm, Poland |
| 62.6 | Appointed | Miguel de Pamplona González Bassecourt, O.F.M. Cap. † | Bishop of Arequipa, Peru | Bishop Emeritus |
| 52.3 | Appointed | Francisco López Sánchez † | Bishop of Ayacucho o Huamanga (Guamanga), Peru |
| 37.1 | Confirmed | Bl. Pierre-Louis de La Rochefoucauld-Bayers † | Bishop of Saintes, France |
| 64.0 | Appointed | Francesco Antonio Marcucci † | Titular Patriarch of Constantinople | Bishop of Montalto (delle Marche), Italy |
| 55.9 | Died | Santiago Palmero Escada † | Bishop of Badajoz, Spain |
| 55.9 | Appointed | Kasper Józef Szajowski † | Auxiliary Bishop of Gniezno, Poland |
| 55.9 | Appointed | Kasper Józef Szajowski † | Titular Bishop of Laranda | Auxiliary Bishop of Gniezno, Poland |
| 35.1 | Appointed | Franciszek Remigiusz Zambrzycki † | Auxiliary Bishop of Kyiv and Chernihiv (Kijów and Czernihow), Ukraine |
| 35.1 | Appointed | Franciszek Remigiusz Zambrzycki † | Titular Bishop of Dardanus | Auxiliary Bishop of Kyiv and Chernihiv (Kijów and Czernihow), Ukraine |
| 12 Dec | 78.3 | Died | Christophe de Beaumont du Repaire † | Archbishop of Paris, France |
| 21 Dec | | Born | Antonio Raimondo Tore † | | Archbishop of Cagliari, Italy |
| 22 Dec | 22.0 | Ordained Deacon | Antonio Barretta, C.R. † | Deacon of Congregation of Clerics Regular | Archbishop Emeritus of Brindisi, Italy |
| 24.3 | Ordained Priest | João Joaquim Bernardino de Brito † | Priest | Bishop of Funchal, Portugal |
| 24.3 | Ordained Priest | Louis Belmas † | Priest of Carcassonne, France | Bishop of Cambrai, France |
| 22.9 | Ordained Priest | Federico Bencivenni, O.F.M. Cap. † | Priest of Order of Friars Minor Capuchin | Bishop of Bertinoro, Italy |
| 22.8 | Ordained Priest | Antonio Maria Borghi † | Priest | Bishop of Narni, Italy |
| 24.0 | Ordained Priest | Pellegrino Maria Carletti † | Priest of Montepulciano, Italy | Bishop |
| 24.0 | Ordained Priest | Pietro Carlo Ciani † | Priest | Bishop of Concordia (Sagittaria), Italy |
| 23.0 | Ordained Priest | Domenico Ricciardone † | Priest | Bishop of Penne e Atri, Italy |
| 23.1 | Ordained Priest | Marcin von Siemieński † | Priest of Kraków, Poland | Auxiliary Bishop of Gniezno e Poznań, Poland |
| 23 Dec | 32.9 | Selected | Anne-Antoine-Jules de Clermont-Tonnerre † | Bishop of Chalons-sur-Marne, France | Cardinal, Archbishop of Toulouse (-Narbonne), France |
| 53.1 | Selected | Antoine-Eléonore-Léon Le Clerc de Juigné † | Archbishop of Paris, France | Archbishop Emeritus |
| 29 Dec | | Born | Silvestro Belli † | | Cardinal, Bishop of Jesi, Italy |
| 30 Dec | 57.4 | Selected | Cayetano Adsor Paredes † | Patriarch of West Indies, Spain |
| 29.0 | Ordained Bishop | François de Pierre de Bernis † | Titular Bishop of Apollonia | Archbishop of Rouen, France |
| 46.2 | Ordained Bishop | Jean-Baptiste du Chilleau † | Bishop of Chalons-sur-Saône, France | Archbishop of Tours, France |