| Date | Age | Event | Bishop | Title | Current Title |
| 12 Jul | | Born | Domenico Carafa della Spina di Traetto † | Naples | Cardinal, Archbishop of Benevento, Italy |
| 14 Jul | 37.5 | Ordained Bishop | Luiz de Castro Pereira, C.S.J. † | Titular Bishop of Ptolemais in Phoenicia | Prelate of Cuiabá, Brazil |
| 52.1 | Ordained Bishop | Juan Antonio Zulaibar, O.P. † | Archbishop of Manila, Philippines |
| 17 Jul | | Born | Lodovico Altieri † | Rome | Cardinal, Prefect of the Roman Curia - Other |
| 30 Jul | 51.6 | Appointed | Patrick Lambert, O.F.M. † | Coadjutor Vicar Apostolic of Newfoundland, Canada | Vicar Apostolic Emeritus |
| 2 Aug | 51.6 | Appointed | Patrick Lambert, O.F.M. † | Titular Bishop of Chytri | Vicar Apostolic Emeritus of Newfoundland, Canada |
| 4 Aug | 51.3 | Ordained Bishop | Jean Lambert de Hannotte † | Titular Bishop of Teos |
| 7 Aug | | Born | Antoine-Charles Cousseau † | Saint-Jouin-sous-Châtillon | Bishop Emeritus of Angoulême, France |
| 9 Aug | | Born | Jean-Claude Miche, M.E.P. † | Bruyères-en-Vosges, France | Vicar Apostolic of Western Cochin {Cocincina Occidentale}, Viêt Nam |
| 24 Aug | | Born | Lodovico Bartolomeo Brynk † | Melekes | Titular Bishop of Hamatha |
| 58.1 | Succeeded | Alexander Cameron † | Vicar Apostolic of Lowland District, Scotland, Great Britain | Vicar Apostolic Emeritus |
| 76.0 | Retired | George Hay † | Vicar Apostolic of Lowland District, Scotland, Great Britain | Vicar Apostolic Emeritus |
| Born | Valentino Vignone † | Sepino | Bishop of Diano-Teggiano, Italy |
| 25 Aug | 43.7 | Ordained Bishop | Giovanni Antioco Azzei † | Bishop of Bisarchio o Bisarcio, Italy | Archbishop of Oristano, Italy |
| 27 Aug | | Born | Joseph-Eugène-Bruno Guigues, O.M.I. † | Gap, France | Bishop of Ottawa, Ontario, Canada |
| 28 Aug | 52.2 | Appointed | François-Melchior-Charles-Bienvenu de Miollis † | Bishop of Digne, France | Bishop Emeritus |
| Born | Angelo Robino † | Salem | Archbishop of Siracusa, Italy |
| 31 Aug | | Born | Vincenzo Cima † | Tragur | Auxiliary Bishop of Split-Makarska (Spalato-Macarska), Croatia |
| 1 Sep | 70.6 | Appointed | John Carroll † | Apostolic Administrator of Louisiana and the Two Floridas (Saint Louis of New Orleans), USA | Archbishop of Baltimore, Maryland, USA |
| 5 Sep | 67.3 | Died | Tomás de Roa y Alarcón † | Bishop of Concepción, Chile |
| 8 Sep | | Born | Mariano Brezmes Arredondo † | Marne | Bishop of Astorga, Spain |
| Born | Alexis Canoz, S.J. † | Sellières, France | Bishop of Trichinopoly, India |
| 22.9 | Ordained Priest | Karel Boromejský Hanl z Kirchtreu † | Priest | Bishop of Hradec Králové, Czech Republic |
| 9 Sep | 51.0 | Appointed | Luis La Encina Díaz y Pereiro † | Bishop of Arequipa, Peru |
| 49.9 | Appointed | Rodrigo Antonio de Orellana, O. Praem. † | Bishop of Córdoba (Tucumán), Argentina | Bishop of Avila, Spain |
| 54.3 | Appointed | Andrés Quintian Ponte de Andrade † | Bishop of Cuenca, Ecuador |
| 13 Sep | 71.3 | Died | Philipp Anton Schmidt † | Auxiliary Bishop of Speyer, Germany |
| 15 Sep | 46.7 | Ordained Bishop | Aeneas Chisholm † | Titular Bishop of Diocaesarea in Palaestina | Vicar Apostolic of Highland District, Scotland, Great Britain |
| 18 Sep | 56.6 | Succeeded | Georg Karl Ignaz Freiherr von Fechenbach zu Laudenbach † | Bishop of Bamberg, Germany | Bishop of Würzburg, Germany |
| 20 Sep | 64.9 | Appointed | Francesco Maria Ferreri, C.P. † | Bishop of Nicopoli, Bulgaria |
| 22 Sep | 64.9 | Ordained Bishop | Francesco Maria Ferreri, C.P. † | Bishop of Nicopoli, Bulgaria |
| 42.5 | Appointed | Francesco Maria Gazzoli † | Bishop of Todi, Italy |
| 23 Sep | 52.2 | Appointed | Pietro Bianco † | Bishop of Alghero, Italy |
| 39.0 | Confirmed | Maurice-Jean-Madeleine de Broglie † | Bishop of Acqui, Italy | Bishop of Gent {Ghent, Gand}, Belgium |
| 58.2 | Appointed | Camillo Campanelli † | Archbishop (Personal Title) of Perugia, Italy | Bishop |
| 49.7 | Appointed | Francesco Scipio Dondi Orologio † | Titular Bishop of Tremithus | Bishop of Padova {Padua}, Italy |
| 61.8 | Appointed | Anton Kautschitz † | Auxiliary Bishop of Wien {Vienna}, Austria | Bishop of Ljubljana, Slovenia |
| 61.8 | Appointed | Anton Kautschitz † | Titular Bishop of Zela | Bishop of Ljubljana, Slovenia |
| 63.9 | Appointed | Niccolò Laparelli † | Bishop of Colle di Val d’Elsa, Italy | Bishop of Cortona, Italy |
| 49.6 | Appointed | Francesco Antonio Mondelli † | Bishop of Terracina, Priverno e Sezze, Italy | Bishop of Città di Castello, Italy |
| 28 Sep | 80.8 | Died | Christoph Franz Freiherr von Buseck † | Bishop of Bamberg, Germany |
| 63.6 | Resigned | Charles de La Font de Savines † | Bishop of Viviers (Aps), France | Bishop Emeritus |
| 29 Sep | 49.6 | Ordained Bishop | Francesco Antonio Mondelli † | Bishop of Terracina, Priverno e Sezze, Italy | Bishop of Città di Castello, Italy |
| 6 Oct | 59.2 | Ordained Bishop | Blas Jacobo Beltrán † | Bishop of Ibiza, Spain | Bishop of Coria, Spain |
| 63.9 | Ordained Bishop | Niccolò Laparelli † | Bishop of Colle di Val d’Elsa, Italy | Bishop of Cortona, Italy |
| 49.9 | Ordained Bishop | Pedro Antonio Trevilla † | Bishop of Córdoba, Spain |
| 7 Oct | | Born | Prosper-Michel-Arnaud Hiraboure † | Bayonne | Bishop of Aire et Dax, France |
| 13 Oct | 75.4 | Died | Francisco Isidoro Gutiérrez Vigil † | Bishop of Astorga, Spain |
| 41.0 | Ordained Bishop | Joaquim da Souza Saraiva, C.M. † | Titular Bishop of Tipasa in Mauretania | Vicar Apostolic of Northern Chi-Li {Ce-Li Settentrionale} o Pe-Kin, China |
| 16 Oct | | Born | Lodovico Maria (dei Conti) Besi † | Verona, Italy | Vicar Apostolic Emeritus of Shantung {Scian-Ton} (Chan-tong), China |
| 20 Oct | 49.8 | Ordained Bishop | Francesco Scipio Dondi Orologio † | Titular Bishop of Tremithus | Bishop of Padova {Padua}, Italy |
| 24 Oct | | Born | Jean-Baptiste Pallegoix, M.E.P. † | Combertault, France | Vicar Apostolic of Eastern Siam {Siam Orientale}, Thailand |
| 28 Oct | | Born | Antonio Saverio De Luca † | Bronte | Cardinal, Prefect of the Congregation for Studies |
| 77.3 | Died | Charles-Auguste Le Quien de La Neufville † | Bishop Emeritus of Acqs (Dax), France |
| 31 Oct | | Born | Francesco Emilio Cugini † | Reggio | Archbishop of Modena (e Nonantola), Italy |
| 54.9 | Died | Eugenio de la Santísima Trinidad Sesé, O.R.S.A. † | Bishop of Santa Marta, Colombia |
| 3 Nov | 61.9 | Ordained Bishop | Anton Kautschitz † | Titular Bishop of Zela | Bishop of Ljubljana, Slovenia |
| 5 Nov | 74.2 | Died | Giovanni Andrea Archetti † | Cardinal, Bishop of Ascoli Piceno, Italy |
| 81.4 | Died | Johann Adam Behr † | Auxiliary Bishop of Bamberg, Germany |
| Born | Filippo Mincione † | Macerata | Bishop of Mileto, Italy |
| 10 Nov | 57.6 | Ordained Bishop | Custodio de Santa Ana d'Almeida, O.A.D. † | Bishop of São Tomé e Príncipe |
| 11 Nov | | Born | Louis-Martin Porchez † | Amiens, France | Bishop of Martinique (Fort-de-France e Saint Pierre), Martinique, Antilles |
| 14 Nov | | Born | Enrico de Rossi † | Napoli | Bishop of Caserta, Italy |
| 16 Nov | 80.8 | Died | Jean-Baptiste-Marie Champion de Cicé † | Bishop of Auxerre, France |
| 17 Nov | 39.2 | Ordained Bishop | Maurice-Jean-Madeleine de Broglie † | Bishop of Acqui, Italy | Bishop of Gent {Ghent, Gand}, Belgium |
| 19 Nov | | Born | Ponciano Arciniega † | Herrán | Bishop of Mondoñedo, Spain |
| 21 Nov | | Born | Mariano Benito Barrio Fernández † | Jaca | Cardinal, Archbishop of Valencia, Spain |
| 70.7 | Died | Victoriano López Gonzalo † | Bishop of Cartagena (en España) |
| Born | Carlo Luigi Morichini † | Rome | Cardinal, Prefect of the Apostolic Signatura |
| 14 Dec | | Born | François-Napoleon Libois, M.E.P. † | Chambois, France | Prefect Emeritus of Kouangtong, China |
| 15 Dec | 65.3 | Died | Cayetano Da Annunciação Brandão, T.O.R. † | Archbishop of Braga, Portugal |
| 16 Dec | 75.5 | Died | Johann Nepomuk Augustin Reichsfreiherr von Hornstein zu Hohenstoffen † | Auxiliary Bishop Emeritus of Konstanz {Constance}, Germany |
| 21 Dec | 33.2 | Ordained Priest | Carlo Zen † | Priest | Apostolic Nuncio to Other |
| 22 Dec | 52.5 | Ordained Bishop | Pietro Bianco † | Bishop of Alghero, Italy |
| 23 Dec | 52.5 | Confirmed | François-Melchior-Charles-Bienvenu de Miollis † | Bishop of Digne, France | Bishop Emeritus |
| 44.4 | Appointed | Ferdinando Mattei † | Titular Bishop of Paphus | Bishop of Malta |
| 66.9 | Appointed | Jean-Chrysostome de Villaret † | Bishop of Casale Monferrato, Italy | Bishop Emeritus |
| 29 Dec | 24.3 | Ordained Priest | Ferdinand Maria von Chotek † | Priest | Archbishop of Olomouc, Czech Republic |