| Date | Age | Event | Bishop | Title | Current Title |
| 2 Jul | | Born | Jozef Ignác de Vilt (Wilt) † | Esztergom | Bishop of Győr, Hungary |
| 7 Jul | | Born | César-Guillaume de la Luzerne † | Paris | Cardinal, Bishop Emeritus of Langres, France |
| 11 Jul | 76.5 | Died | José Esquivel Castillejos, O.P. † | Auxiliary Bishop of Sevilla {Seville}, Spain |
| 14 Jul | 76.2 | Died | Francisco Laso de la Vega Córdova, O.P. † | Bishop of Plasencia, Spain |
| 19 Jul | | Born | Theodor Freiherr von Brabeck, O.S.B. † | Hamm | Bishop-Elect of Corvey, Germany |
| 20 Jul | | Born | Michele Antonio Aymerich de Villamar † | Cagliari | Bishop of Ales e Terralba, Italy |
| 22 Jul | 46.4 | Appointed | Francisco Castillo Vintimilla † | Bishop of Barcelona, Spain | Bishop of Jaén, Spain |
| 77.9 | Died | Wolfgang Hannibal von Schrattenbach † | Cardinal, Bishop of Olomouc, Czech Republic |
| 23 Jul | 68.4 | Installed | Raniero d'Elci † | Cardinal-Priest of S. Sabina | Cardinal, Cardinal-Bishop of Ostia (-Velletri) |
| 55.6 | Appointed | Domenico Silvio Passionei † | Cardinal-Priest of S. Bernardo alle Terme | Cardinal, Librarian of the Vatican Library |
| 4 Aug | | Born | Aimard-Claude de Nicolay † | Paris | Bishop Emeritus of Béziers, France |
| 5 Aug | | Born | Adeodatus Papikian, C.M.V. † | Giulfa, Perse | Bishop of Foreign Diocese |
| 17 Aug | 55.1 | Ordained Bishop | Domingo Pantaleón Álvarez de Abreu † | Bishop of Santo Domingo, Dominican Republic | Bishop of Tlaxcala, Tlaxcala, México |
| 18 Aug | | Born | Juan Agapito Ramírez Arellano † | Puente la Reina | Bishop of Gerona, Spain |
| 21 Aug | 70.6 | Died | François Berger de Malissoles † | Bishop of Gap, France |
| 28 Aug | 53.0 | Appointed | Jean de Lolière-Puycontat, M.E.P. † | Vicar Apostolic of Siam, Thailand |
| 53.0 | Appointed | Jean de Lolière-Puycontat, M.E.P. † | Titular Bishop of Iuliopolis | Vicar Apostolic of Siam, Thailand |
| 31 Aug | 43.3 | Ordained Bishop | Krzysztof Michal Dobinski † | Titular Bishop of Serra | Auxiliary Bishop of Gniezno, Poland |
| 24.5 | Ordained Priest | Maximilian Reichsgraf von Hamilton † | Priest of Olomouc, Czech Republic | Bishop |
| 1 Sep | 64.9 | Resigned | Antonio Monroy Meneses, O. de M. † | Bishop of Santa Marta, Colombia | Bishop Emeritus |
| 3 Sep | 51.7 | Appointed | Guilherme de São José Antonio de Aranha † | Bishop of Belém do Pará, Brazil | Bishop Emeritus |
| 75.8 | Appointed | Luis Antonio Belluga y Moncada, C.O. † | Cardinal-Priest of S. Prassede | Cardinal, Bishop Emeritus of Cartagena (en España) |
| 48.6 | Appointed | Manoel da Cruz Nogueira, O. Cist. † | Bishop of São Luís do Maranhão, Brazil | Bishop of Mariana, Brazil |
| 44.2 | Appointed | Antônio de Nossa Senhora do Desterro Malheiro, O.S.B. † | Bishop of Angola e Congo, Angola | Bishop of São Sebastião do Rio de Janeiro, Brazil |
| 62.6 | Appointed | João de Faro, O.F.M. † | Bishop of Santiago de Cabo Verde |
| 64.7 | Appointed | José de Fialho, O. Cist. † | Archbishop of São Salvador da Bahia, Brazil | Bishop of Guarda, Portugal |
| 69.3 | Appointed | Francesco Antonio Finy † | Cardinal-Priest of S. Maria in Trastevere | Cardinal, Bishop of Tivoli, Italy |
| 71.2 | Appointed | Pietro Ottoboni † | Cardinal, Cardinal-Bishop of Ostia (-Velletri) |
| 75.0 | Appointed | Tommaso Ruffo † | Cardinal-Bishop of Porto e Santa Rufina | Cardinal, Archbishop Emeritus of Ferrara, Italy |
| 46.4 | Appointed | Luiz de Santa Teresa da Cruz Salgado de Castilho, O.C.D. † | Bishop of Olinda, Brazil |
| 71.2 | Appointed | Giorgio Spínola † | Cardinal, Cardinal-Bishop of Palestrina |
| 7 Sep | | Born | Agustín Ayestarán Landa † | Villafranca | Bishop of Córdoba, Spain |
| 14 Sep | 36.7 | Ordained Bishop | Auguste-César d'Hervilly de Devise † | Bishop of Boulogne (-Sur-Mer), France |
| 24 Sep | 55.5 | Ordained Bishop | Tomás Montaño y Aarón † | Bishop of Antequera, Oaxaca, México |
| 26 Sep | 74.0 | Appointed | Vincenzo Ludovico Gotti, O.P. † | Cardinal-Priest of S. Sisto | Cardinal, Titular Patriarch of the unknown of Titular See |
| 28 Sep | 76.3 | Died | José Pereira de Lacerda † | Cardinal, Bishop of Faro {Algarve}, Portugal |
| Oct | 46.2 | Died | Ramón Nogués † | Bishop of Jaca, Spain |
| 1 Oct | | Born | Karl Godefried Ritter von Rosenthal † | Zlabings | Auxiliary Bishop of Olomouc, Czech Republic |
| 4 Oct | 22.3 | Ordained Priest | Philipp Gotthard Graf von Schaffgotsch † | Priest of Wrocław, Poland | Bishop |
| 5 Oct | 62.7 | Ordained Bishop | João de Faro, O.F.M. † | Bishop of Santiago de Cabo Verde |
| 8 Oct | 77.8 | Died | Louis Le Bel † | Bishop of Bethléem, France |
| 58.7 | Appointed | Louis Néez, M.E.P. † | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 58.7 | Appointed | Louis Néez, M.E.P. † | Titular Bishop of Comana Pontica | Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 10 Oct | | Died | Alexandre de Alexandris, B. † | Vicar Apostolic of Cochin {Cocincina}, Viêt Nam |
| 11 Oct | | Born | José Boltas, O.F.M. † | Orán | Bishop of Urgell, Spain |
| 48.7 | Appointed | Jakob Ernst Graf von Liechtenstein-Kastelkorn † | Bishop of Olomouc, Czech Republic | Archbishop of Salzburg, Austria |
| 19 Oct | 47.6 | Ordained Bishop | Narciso Queralt † | Bishop of Avila, Spain |
| 28 Oct | | Born | Antonino Reggio † | Messina | Bishop of Lipari, Italy |
| 30 Oct | | Born | Bl. Jean-Marie du Lau d'Allemans † | Biras | Archbishop of Arles, France |
| 5 Nov | | Born | Johann Joseph Schüller von Ehrenthal † | Ostritz | Prefect of Meissen (Meißen) {Lusazia o Lausitz; Sassonia}, Germany |
| 7 Nov | | Born | Ferdinand-Maximilien-Mériadec de Rohan-Guémené † | Paris | Archbishop Emeritus of Cambrai, France |
| 8 Nov | 40.9 | Appointed | Ross Roe MacMahon (McMahon) † | Bishop of Clogher, Ireland | Archbishop of Armagh, Ireland |
| 12 Nov | 74.7 | Died | Teodor Andrzej Potocki † | Archbishop of Gniezno, Poland |
| 15 Nov | 49.1 | Confirmed | Georges-Lazare Berger de Charancy † | Bishop of Montpellier, France |
| 16 Nov | 48.4 | Appointed | José Cayetano Paravicino, O.F.M. † | Bishop of Paraguay | Bishop of Trujillo, Peru |
| 24 Nov | 58.6 | Appointed | José Bolaños Calzado, O.F.M. † | Titular Archbishop of Nisibis |
| 49.7 | Appointed | José Félix Valverde † | Bishop of Michoacán, Michoacán, México |
| 29 Nov | 46.8 | Appointed | Louis-Bernard de La Taste, O.S.B. † | Bishop of Bethléem, France |
| 11 Dec | 53.9 | Appointed | Amand Buseck, O.S.B. † | Abbot of Fulda, Germany | Bishop |
| 14 Dec | 52.0 | Ordained Bishop | Guilherme de São José Antonio de Aranha † | Bishop of Belém do Pará, Brazil | Bishop Emeritus |
| 48.9 | Ordained Bishop | Manoel da Cruz Nogueira, O. Cist. † | Bishop of São Luís do Maranhão, Brazil | Bishop of Mariana, Brazil |
| 46.7 | Ordained Bishop | Luiz de Santa Teresa da Cruz Salgado de Castilho, O.C.D. † | Bishop of Olinda, Brazil |
| 19 Dec | 60.7 | Appointed | Pedro Manuel Dávila Cárdenas † | Bishop of Plasencia, Spain |
| 60.6 | Appointed | Juan García Abadiano † | Bishop of Caracas, Santiago de Venezuela |
| 31.3 | Appointed | Antonio Maria Priuli † | Bishop of Vicenza, Italy | Cardinal, Bishop of Padova {Padua}, Italy |
| 69.0 | Appointed | Filippo Carlo Spada † | Titular Archbishop of Teodosia | Titular Patriarch of Alexandria of Egypt {Alessandria di Egitto} (-Eliopoli di Egitto-Port-Said) |
| 69.0 | Resigned | Filippo Carlo Spada † | Bishop of Pesaro, Italy | Titular Patriarch of Alexandria of Egypt {Alessandria di Egitto} (-Eliopoli di Egitto-Port-Said) |
| 48.8 | Elevated to Cardinal | Silvio Valenti Gonzaga † | Cardinal, Secretary of the Secretariat of State |
| 25 Dec | 52.0 | Died | Charles-François Le Févre de Laubriéres † | Bishop of Soissons, France |
| 31 Dec | 29.6 | Appointed | François de Fitz-James † | Bishop of Soissons, France |