| Date | Age | Event | Bishop | Title | Current Title |
| 4 Jul | | Ordained Bishop | James Butler (2nd) † | Titular Bishop of Germanicopolis | Archbishop of Cashel (-Emly), Ireland |
| 10 Jul | 43.0 | Confirmed | Pedro de Melo e Brito da Silveira Alvim † | Bishop of Portalegre, Portugal |
| 11 Jul | | Born | Pietro Lepore † | Trani | Bishop of Castellaneta, Italy |
| 12 Jul | 50.0 | Appointed | Miguel António Barreto de Meneses † | Bishop of Miranda (do Douro), Portugal | Bishop Emeritus |
| 57.5 | Appointed | Giovanni Battista Crispi † | Archbishop of Naxos, Greece |
| 64.9 | Appointed | Luis Fernando de Hoyos y Mier † | Bishop of Michoacán, México |
| 46.5 | Appointed | Federico Maria Giovanelli † | Bishop of Chioggia, Italy | Patriarch of Venezia {Venice}, Italy |
| 36.8 | Appointed | Michal Jerzy Poniatowski † | Coadjutor Bishop of Płock, Poland | Archbishop of Gniezno, Poland |
| 36.8 | Appointed | Michal Jerzy Poniatowski † | Titular Bishop of Cydonia (Agia, Canea) | Archbishop of Gniezno, Poland |
| 55.8 | Appointed | Bernardo Pinto Ribeiro Seixas † | Bishop of Bragança, Portugal | Bishop of Bragança e Miranda, Portugal |
| 41.9 | Appointed | Stanislaw Jan Siestrzencewicz Bohusz † | Auxiliary Bishop of Vilnius, Lithuania | Archbishop of Mohilev, Belarus |
| 41.9 | Appointed | Stanislaw Jan Siestrzencewicz Bohusz † | Titular Bishop of Mallus | Archbishop of Mohilev, Belarus |
| 40.5 | Appointed | Giorgio Stay † | Bishop of Santorini {Thira}, Greece | Bishop-Elect |
| 72.5 | Appointed | Jean Antoine Voricla † | Bishop of Chios (Scio), Greece |
| 14 Jul | | Born | Mario Ancaiani † | Spoleto | Archbishop of Spoleto, Italy |
| 18 Jul | 48.3 | Ordained Bishop | Juan Manuel Cornel † | Bishop of Barbastro, Spain |
| 21.7 | Ordained Priest | Giuseppe Maria Doria Pamphilj † | Priest of Genova, Italy | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 46.6 | Ordained Bishop | Federico Maria Giovanelli † | Bishop of Chioggia, Italy | Patriarch of Venezia {Venice}, Italy |
| 21 Jul | 20.2 | Incardinated | Ignacy Stanislaw Czyżewski † | Priest | Bishop of Sejny o Sejna o Augustów, Poland |
| 22 Jul | | Born | Francesco Maria Cipriani, O.S.B. † | Norcia | Bishop of Veroli, Italy |
| 25 Jul | | Born | Giovanni Maria Bua † | Oschieri | Archbishop of Oristano, Italy |
| 26 Jul | 63.6 | Died | Nicolaus (Florentius) Szostak (a Jesu), O.C.D. † | Titular Bishop of Areopolis |
| 1 Aug | 39.0 | Ordained Bishop | Toussaint-François-Joseph Conen de Saint-Luc † | Bishop of Quimper, France |
| Born | Ignatz Anton Demeter † | Augsburg | Archbishop of Freiburg im Breisgau, Germany |
| 10 Aug | | Born | Johann Georg Bossi † | Mons | Bishop of Chur-Sankt Gallen, Switzerland |
| 22.9 | Ordained Priest | Giovanni Giacomo Antonio Gaetano Fraschina, O.F.M. Cap. † | Priest of Order of Friars Minor Capuchin | Titular Archbishop of Corinthus |
| 22 Aug | 21.8 | Ordained Bishop | Giuseppe Maria Doria Pamphilj † | Titular Archbishop of Seleucia in Isauria | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 50.6 | Installed | Juan Manuel Moscoso y Peralta † | Bishop of Córdoba (Tucumán), Argentina | Archbishop of Granada, Spain |
| 25 Aug | 62.0 | Died | Carl Laurenz Cardona † | Prefect of Meißen (Meissen) {Lusazia o Lausitz; Sassonia}, Germany |
| Sep | 38.4 | Selected | Francisco de Lemos de Faria Pereira Coutinho † | Coadjutor Bishop of Coimbra, Portugal | Bishop |
| 1 Sep | | Born | Michele Barone † | Saragnano | Bishop of Capaccio, Italy |
| 2 Sep | 47.9 | Appointed | Luigi Valenti Gonzaga † | Apostolic Nuncio to Spain | Cardinal, Librarian of the Vatican Library |
| 5 Sep | | Born | Giuseppe della Porta Rodiani † | Rome | Cardinal, Auxiliary Bishop of Roma {Rome}, Italy |
| 6 Sep | 21.8 | Appointed | Giuseppe Maria Doria Pamphilj † | Apostolic Nuncio to France | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 56.4 | Died | Manuel Fernández Torres † | Bishop of Ceuta, Spain |
| 8 Sep | 26.7 | Ordained Priest | Manoel de Almeida de Carvalho † | Priest | Bishop of Belém do Pará, Brazil |
| Born | José Agustín Molina y Villafañe † | San Miguel de Tucumán | Vicar Apostolic of Salta, Argentina |
| 12 Sep | | Born | Gustave-Maximilien-Juste de Croÿ-Solre † | Vieux-Condé | Cardinal, Archbishop of Rouen, France |
| 25.2 | Ordained Priest | Paolo Maggiolo † | Priest | Bishop of Albenga, Italy |
| 13 Sep | 47.1 | Appointed | Giovanni Battista Alagona † | Bishop of Siracusa, Italy |
| 45.8 | Appointed | Giuseppe Maria Corte † | Bishop of Acqui, Italy | Bishop of Mondovi, Italy |
| 64.3 | Appointed | Paolo Da Ponte, O.C.D. † | Archbishop (Personal Title) of Torcello (Turris), Italy | Bishop |
| 38.5 | Appointed | Victoriano López Gonzalo † | Bishop of Tlaxcala, México | Bishop of Cartagena (en España) |
| 64.1 | Appointed | Marco Molin, O.S.B. † | Bishop of Bergamo, Italy |
| 41.4 | Appointed | Bernardinus Muti † | Titular Archbishop of Petra in Palaestina |
| 45.9 | Appointed | Jean-Marc de Royére † | Bishop of Castres, France | Bishop Emeritus |
| 61.6 | Appointed | Antonio Joaquín Soria † | Bishop of Valladolid, Spain |
| Born | Maurycy Mateusz Wojakowski † | Karniewo | Auxiliary Bishop of Lublin, Poland |
| 54.1 | Appointed | Francisco Fabián y Fuero † | Archbishop of Valencia, Spain | Archbishop Emeritus |
| 16 Sep | 45.8 | Ordained Bishop | Giuseppe Maria Corte † | Bishop of Acqui, Italy | Bishop of Mondovi, Italy |
| 18 Sep | 22.8 | Ordained Priest | Ignazio de Natale † | Priest | Titular Bishop of Danaba |
| 23.5 | Ordained Priest | Etienne-André-François de Paule de Fallot de Béaupré de Beaumont † | Priest | Bishop Emeritus of Vaison, France |
| 22.7 | Ordained Deacon | Emmanuel de Sousa Carvalho, M.I. † | Deacon | Bishop-Elect of Beja, Portugal |
| 19 Sep | 46.2 | Ordained Bishop | Alexandre da Silva Pedrosa Guimarães † | Bishop of Macau, China | Bishop Emeritus |
| 64.1 | Ordained Bishop | Marco Molin, O.S.B. † | Bishop of Bergamo, Italy |
| 26 Sep | | Ordained Priest | Marcelino José Da Silva † | Priest | Bishop Emeritus of Macau, China |
| 28 Sep | | Born | Michael Orozco † | Cochabamben | Bishop-Elect of La Paz, Bolivia |
| 29 Sep | 42.5 | Installed | Manuel de Vasconcellos Pereira † | Bishop of Lamego, Portugal |
| 30 Sep | 50.4 | Appointed | Franz de Paula Xaver Ludwig Jakob von Breuner † | Bishop of Lavant, Slovenia | Bishop of Chiemsee, Germany |
| Oct | 47.6 | Died | Giovanni Ignazio Gautier † | Bishop of Iglesias, Italy |
| 3 Oct | 47.8 | Ordained Bishop | Francisco da Assumpção e Brito, O.S.A. † | Bishop of Olinda, Brazil | Archbishop Emeritus of Goa, India |
| 37.0 | Ordained Bishop | Michal Jerzy Poniatowski † | Titular Bishop of Cydonia (Agia, Canea) | Archbishop of Gniezno, Poland |
| Born | José Maria Seguí, O.S.A. † | Campodrón, Spain | Archbishop of Manila, Philippines |
| 42.1 | Ordained Bishop | Stanislaw Jan Siestrzencewicz Bohusz † | Titular Bishop of Mallus | Archbishop of Mohilev, Belarus |
| 43.3 | Ordained Bishop | Pedro de Melo e Brito da Silveira Alvim † | Bishop of Portalegre, Portugal |
| 63.9 | Ordained Bishop | António Joaquim Torrão † | Titular Bishop of Lagania | Auxiliary Bishop of Évora, Portugal |
| 10 Oct | | Born | José Asensio Ocón y Toledo † | Albarracín | Bishop of Teruel, Spain |
| 56.0 | Ordained Bishop | Bernardo Pinto Ribeiro Seixas † | Bishop of Bragança, Portugal | Bishop of Bragança e Miranda, Portugal |
| 28.4 | Ordained Deacon | Józef Ignacy Tadeusz Rybiński † | Deacon | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 17 Oct | 27.1 | Ordained Priest | Silvestro Miccù, O.F.M. † | Priest of Order of Friars Minor | Archbishop of Amalfi, Italy |
| 63.8 | Ordained Bishop | Francisco José de Palencia † | Bishop of Comayagua, Honduras |
| 28.5 | Ordained Priest | Józef Ignacy Tadeusz Rybiński † | Priest | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 18 Oct | 30.0 | Ordained Priest | Antonio Giuseppe de Oliveira † | Priest | Auxiliary Bishop of Évora, Portugal |
| 21 Oct | 61.8 | Died | Claude Drouas de Boussey † | Bishop of Toul, France |
| 26 Oct | | Born | Pietro-Antonio Luciani † | Valmontone | Bishop Emeritus of Segni, Italy |
| 31 Oct | 47.2 | Ordained Bishop | Giovanni Battista Alagona † | Bishop of Siracusa, Italy |
| 1 Nov | 52.1 | Appointed | Étienne-François-Xavier des Michels de Champorcin † | Bishop of Toul, France |
| 25.2 | Ordained Priest | Michal Roman Sierakowski † | Priest | Auxiliary Bishop of Przemyśl, Poland |
| 6 Nov | 48.5 | Appointed | Johann Heinrich von Kerens, S.J. † | Bishop of Austria, Military | Bishop of Sankt Pölten, Austria |
| 48.5 | Selected | Johann Heinrich von Kerens, S.J. † | Bishop of Wiener Neustadt, Austria | Bishop of Sankt Pölten, Austria |
| 7 Nov | 26.1 | Ordained Deacon | Tadeusz Kundzicz † | Deacon of Society of Jesus | Auxiliary Bishop of Vilnius, Lithuania |
| 8 Nov | 62.2 | Died | Domenico Andrea Vegni † | Bishop of Montalcino, Italy |
| 12 Nov | | Born | Giuseppe Gaetano Incontri † | Volterra | Bishop of Volterra, Italy |
| 13 Nov | 76.4 | Died | Umberto Luigi Radicati † | Bishop of Pesaro, Italy |
| 14 Nov | 29.9 | Ordained Deacon | Anton Kautschitz † | Deacon of Society of Jesus | Bishop of Ljubljana, Slovenia |
| 54.3 | Installed | Francisco Fabián y Fuero † | Archbishop of Valencia, Spain | Archbishop Emeritus |
| 15 Nov | 78.9 | Died | Pietro Girolamo Guglielmi † | Cardinal, Cardinal-Priest of Santissima Trinità al Monte Pincio |
| 16 Nov | | Born | Gregorio Muccioli † | Roma | Titular Bishop of Agathopolis |
| 27 Nov | | Born | Claude Rey † | Aix-en-Provence | Bishop Emeritus of Dijon, France |
| 30 Nov | 30.0 | Ordained Priest | Anton Kautschitz † | Priest of Society of Jesus | Bishop of Ljubljana, Slovenia |
| 61.8 | Ordained Bishop | Antonio Joaquín Soria † | Bishop of Valladolid, Spain |
| 5 Dec | 79.5 | Died | Antônio de Nossa Senhora do Desterro Malheiro, O.S.B. † | Bishop of São Sebastião do Rio de Janeiro, Brazil |
| 6 Dec | 69.8 | Died | Juan José Martínez Escalzo † | Bishop of Segovia, Spain |
| 8 Dec | 26.1 | Ordained Priest | Tadeusz Kundzicz † | Priest of Society of Jesus | Auxiliary Bishop of Vilnius, Lithuania |
| 11 Dec | 60.2 | Resigned | Vicente da Gamal Leao † | Coadjutor Bishop of São Sebastião do Rio de Janeiro, Brazil | Coadjutor Bishop Emeritus |
| 68.9 | Resigned | Antonius Taveira de Neiva Brum † | Archbishop of Goa, India | Archbishop Emeritus |
| 52.4 | Resigned | Salvatore Ventimiglia, C.O. † | Bishop of Catania, Italy | Bishop Emeritus |
| 16 Dec | 52.4 | Appointed | Salvatore Ventimiglia, C.O. † | Titular Archbishop of Nicomedia | Bishop Emeritus of Catania, Italy |
| 18 Dec | 22.5 | Ordained Deacon | Sebastianus Brisciano † | Deacon | Titular Bishop of Hippos |
| 16.2 | Ordained Priest | Michele Palmieri † | Priest | Bishop of Monopoli, Italy |
| 20 Dec | 48.0 | Appointed | Francisco da Assumpção e Brito, O.S.A. † | Archbishop of Goa, India | Archbishop Emeritus |
| 32.2 | Appointed | Franz Karl Maria Cajetan von Firmian † | Auxiliary Bishop of Passau, Germany |
| 32.2 | Appointed | Franz Karl Maria Cajetan von Firmian † | Titular Bishop of Ascalon | Auxiliary Bishop of Passau, Germany |
| 47.9 | Appointed | Jean-Auguste Frétat de Sarra † | Bishop of Tréguier, France | Bishop of Nantes, France |
| 39.9 | Appointed | Andrea Benedetto Ganassoni, O.S.B. † | Archbishop of Corfù, Greece | Bishop of Feltre, Italy |
| 52.4 | Installed | Bernardino Giraud † | Cardinal-Priest of Santissima Trinità al Monte Pincio | Cardinal, Archbishop Emeritus of Ferrara, Italy |
| 47.3 | Appointed | Matthaeus Franciscus Kertiza † | Bishop of Bosnia, Croatia |
| 42.3 | Appointed | José Joaquim Justiniano Mascarenhas Castello Branco † | Bishop of São Sebastião do Rio de Janeiro, Brazil |
| 42.0 | Appointed | Franciszek Kandyd Ossolinski, O.F.M. Conv. † | Coadjutor Bishop of Kyiv and Chernihiv (Kijów and Czernihow), Ukraine | Bishop |
| 55.0 | Appointed | João Marcelino dos Santos Homem Aparício † | Bishop of Angra, Portugal |
| 21 Dec | 39.9 | Ordained Bishop | Andrea Benedetto Ganassoni, O.S.B. † | Archbishop of Corfù, Greece | Bishop of Feltre, Italy |
| 22 Dec | 45.5 | Died | Francisco Javier Calvo † | Bishop of Santa Marta, Colombia |
| 24 Dec | 53.4 | Died | Francesco Maria Pasini † | Bishop of Todi, Italy |
| 26 Dec | 42.0 | Selected | Jean-Baptiste-Charles-Marie de Beauvais † | Bishop of Senez, France | Bishop Emeritus |
| 27 Dec | 65.3 | Ordained Bishop | Luis Fernando de Hoyos y Mier † | Bishop of Michoacán, México |
| 31 Dec | 73.4 | Died | Bernardo Onorato Buonocore † | Bishop of Trevico, Italy |