| Date | Age | Event | Bishop | Title | Current Title |
| 4 Jul | 30.6 | Selected | Moritz Adolf Karl von Sachsen-Zeitz (Saský) † | Bishop of Litoměřice, Czech Republic |
| 6 Jul | 39.4 | Selected | Johann Joseph von Wratislaw von Mitrowitz † | Bishop of Hradec Králové, Czech Republic |
| 7 Jul | 66.6 | Resigned | Anton Maria Borromeo, C.R. † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia | Bishop Emeritus |
| 10 Jul | 74.5 | Died | Jacinto Olivera y Pardo † | Bishop of Chiapas (Ciudad Real de Chiapas), México |
| 13 Jul | 65.0 | Died | Juan Ignacio de Castorena y Ursúa y Goyeneche † | Bishop of Yucatán (Mérida), México |
| 16 Jul | | Born | Gianantonio Della Beretta † | Milano | Bishop of Lodi, Italy |
| 18 Jul | 67.8 | Died | Filippo Meda † | Bishop of Conversano, Italy |
| 19 Jul | 31.2 | Ordained Priest | Giuseppe Campanile † | Priest | Bishop of Ascoli Satriano, Italy |
| 22 Jul | 76.6 | Died | György Bizánczy † | Vicar Apostolic of Mukachevo (Munkács) (Ruthenian), Ukraine |
| 26 Jul | | Born | Ludovico Flangini Giovanelli † | Venezia | Cardinal, Patriarch of Venezia {Venice}, Italy |
| 23.0 | Ordained Priest | Tommaso Ignazio Natta, O.P. † | Priest of Order of Friars Preachers | Archbishop Emeritus of Cagliari, Italy |
| 8 Aug | 70.3 | Died | Carlos Borja Centellas y Ponce de León † | Cardinal, Patriarch of West Indies, Spain |
| 9 Aug | 23.0 | Ordained Priest | Thomas Tomicich † | Priest | Archbishop Emeritus of Skopje, Macedonia |
| 11 Aug | | Appointed | Peter O’Donnellan † | Bishop of Clonfert, Ireland |
| 13 Aug | 31.6 | Selected | Franz Anton von Engel in Wagrain † | Bishop of Beograd (-Smederevo), Serbia | Bishop of Csanád, Hungary |
| 14 Aug | 78.5 | Died | Alessandro Dolfi † | Bishop of Fano, Italy |
| 15 Aug | 63.6 | Ordained Bishop | Konstanty Moszynski, O.S.P. † | Bishop of Inflanty (Livonia)-Pilten, Poland |
| 17 Aug | 77.5 | Died | Marco Antonio Attaffi † | Bishop of Squillace, Italy |
| 18 Aug | 35.0 | Ordained Bishop | Adam Stanisław Grabowski † | Titular Bishop of Nilopolis | Bishop of Warmia (Ermland), Poland |
| 24 Aug | | Born | Bartolomé Antonio Fernández Sobrado, O.F.M. Cap. † | Benaocaz | Bishop of Ceuta, Spain |
| Born | Julius Caesar Zollio † | Ariminen | Titular Archbishop of Athenae |
| 25 Aug | | Born | Gaetano Vitolo † | Napoli | Titular Bishop of Comana Armeniae |
| 26 Aug | 41.7 | Appointed | Simon István Olsavszky † | Vicar Apostolic of Mukachevo (Munkács) (Ruthenian), Ukraine |
| 28 Aug | 37.7 | Appointed | Jean-François de La Cropte de Bourzac † | Bishop of Noyon, France |
| 35.5 | Selected | Pierre-Jules-César de Rochechouard-Montigny † | Bishop of Evreux, France | Bishop Emeritus of Bayeux, France |
| 37.9 | Selected | Claude de Rouvroy de Saint-Simon † | Bishop of Metz, France |
| 43.0 | Selected | Nicolas-Charles de Saulx-Tavannes † | Cardinal, Archbishop of Rouen, France |
| 30 Aug | 64.7 | Died | Jean-Paul-François Le Févre de Caumartin † | Bishop of Blois, France |
| Sep | 50.6 | Selected | Louis-François-Gabriel d’Orléans de La Motte † | Bishop of Amiens, France |
| Born | Josephus Fengler † | Josephino Viennae | Bishop of Győr (Raab), Hungary |
| Born | Franciszek Komornicki † | Dambrovecen | Auxiliary Bishop of Lutsk (Łuck), Ukraine |
| 1 Sep | | Born | Antonio Cresi † | Aquila | Bishop of Ortona a Mare e Campli, Italy |
| 2 Sep | 48.7 | Appointed | François d’Andigné † | Bishop of Acqs (Dax), France |
| 42.1 | Appointed | Meinwerk Kaup, O.S.B. † | Auxiliary Bishop of Paderborn, Germany |
| 42.1 | Appointed | Meinwerk Kaup, O.S.B. † | Titular Bishop of Callinicum | Auxiliary Bishop of Paderborn, Germany |
| Appointed | Sigismondo Tudisi † | Bishop of Trebinje e Mrkan, Bosnia and Herzegovina |
| 6 Sep | 22.9 | Ordained Priest | Francesco Angelo Pastrovich, O.F.M. Conv. † | Priest of Order of Friars Minor Conventual | Bishop of Viterbo e Tuscania, Italy |
| 7 Sep | 55.2 | Died | Silvio Domenico Nicola † | Bishop of Ivrea, Italy |
| 8 Sep | | Died | Antonius Sicault † | Auxiliary Bishop of Lyon, France |
| 10 Sep | | Born | Marcantonio Conti † | Roma | Bishop Emeritus of Pesaro, Italy |
| 12 Sep | 42.5 | Succeeded | Pierre-Herman Dosquet, P.S.S. † | Bishop of Québec, Canada | Bishop Emeritus |
| 70.0 | Resigned | Louis-François Du Plessis de Mornay, O.F.M. Cap. † | Bishop of Québec, Canada | Bishop Emeritus |
| 13 Sep | | Born | Gennaro Fortunato † | Rionero | Bishop of Lavello, Italy |
| 60.7 | Ordained Priest | Giovanni Macario Valenti † | Priest | Bishop of Conversano, Italy |
| 16 Sep | 66.3 | Died | Antonio Banchieri † | Cardinal, Cardinal-Priest of San Nicola in Carcere |
| 18 Sep | 59.7 | Died | Jean-Armand de La Vove de Tourouvre † | Bishop of Rodez, France |
| 19 Sep | 24.3 | Ordained Priest | Paolo Da Ponte, O.C.D. † | Priest of Order of Discalced Carmelites | Bishop of Torcello (Turris), Italy |
| 23.0 | Ordained Priest | Ignazio Maria Fraganeschi † | Priest | Bishop of Cremona, Italy |
| 23.1 | Ordained Priest | Antonino Ganini † | Priest | Archbishop of Santa Severina, Italy |
| 24.2 | Ordained Priest | Luigi del Giudice, O.S.B. † | Priest of Order of Saint Benedict | Archbishop of Chieti, Italy |
| 24.1 | Ordained Priest | François Mattei † | Priest | Patriarch of Alexandria {Alessandria} |
| 24.1 | Ordained Priest | Marco Molin, O.S.B. † | Priest of Order of Saint Benedict | Bishop of Bergamo, Italy |
| 23.1 | Ordained Priest | Giuseppe de Vignoli † | Priest | Bishop of Forli, Italy |
| 27 Sep | | Born | Giovanni Battista Quarantotti † | Rome, Italy | Cardinal, Prefect of the Congregation for Propagation of the Faith |
| 28 Sep | 55.0 | Appointed | Nicola Michele Abati (Abbate) † | Bishop of Squillace, Italy |
| 56.5 | Appointed | Giacomo Beni † | Bishop of Fano, Italy |
| 42.5 | Appointed | Vincenzo Bragadin, O.F.M. Cap. † | Bishop of Scardona (Skradin), Italy | Bishop of Chioggia, Italy |
| 51.4 | Appointed | Agostino Bruti † | Bishop of Capodistria (Capo d’Istria)(Koper), Slovenia |
| Born | Vittorio Filippo Melano di Portula, O.P. † | Cuneo | Bishop of Novara, Italy |
| 55.3 | Elevated to Cardinal | Marcello Passari † | Cardinal, Cardinal-Priest of Santa Maria in Ara Coeli |
| 34.4 | Appointed | Gabriel Patachich † | Archbishop of Kalocsa, Hungary |
| 43.4 | Appointed | João da Madre de Deus Seixas da Fonseca Borges, O.S.B. † | Titular Bishop of Areopolis |
| 52.2 | Elevated to Cardinal | Giovanni Battista Spínola † | Cardinal, Cardinal-Bishop of Albano |
| 60.7 | Appointed | Giovanni Macario Valenti † | Bishop of Conversano, Italy |
| Oct | 75.7 | Died | Vincenzo Ferrero, O.P. † | Bishop of Lucera, Italy |
| 1 Oct | 51.5 | Appointed | Adolphus Groll (a S. Georgio) † | Bishop of Győr (Raab), Hungary |
| 30.8 | Confirmed | Moritz Adolf Karl von Sachsen-Zeitz (Saský) † | Bishop of Litoměřice, Czech Republic |
| 60.2 | Appointed | Hyacinthus Verdesca † | Bishop of Carinola (Calina), Italy |
| 4 Oct | 43.4 | Ordained Bishop | João da Madre de Deus Seixas da Fonseca Borges, O.S.B. † | Titular Bishop of Areopolis |
| 8 Oct | | Born | Józef Michał Ignacy Franciszek Olędzki, Sch. P. † | Swirzen | Auxiliary Bishop Emeritus of Kyiv and Chernihiv (Kijów and Czernihow), Ukraine |
| 9 Oct | 78.3 | Died | Marino Drago † | Bishop of Korčula (Curzola, Cursola), Croatia |
| Born | François-Camille de Duranti de Lironcourt † | Paris | Titular Bishop of Bethleem |
| 11 Oct | 60.2 | Ordained Bishop | Hyacinthus Verdesca † | Bishop of Carinola (Calina), Italy |
| 20 Oct | | Born | Adam Stanisław Naruszewicz, S.J. † | Lakiszynen | Bishop of Lutsk (Łuck), Ukraine |
| Born | Michelangelo Parata (Peruta) † | S. Niccolo | Bishop of Isernia, Italy |
| 22 Oct | | Born | Manuel Azamor y Ramírez † | Villablanca, Spain | Bishop of Buenos Aires, Argentina |
| 28 Oct | 43.7 | Ordained Bishop | Josephus Augustinus Czarnecki † | Titular Bishop of Domitiopolis |
| 31 Oct | 64.0 | Died | Gaetano Iovone † | Bishop of Alife, Italy |
| Died | Juan Lancaster (or Alencaster) Norona † | Bishop of Cuenca, Spain |
| Nov | | Born | Giuseppe Maria Beneventi, O.F.M. Conv. † | Albano | Bishop of Muro Lucano, Italy |
| 1 Nov | 42.3 | Ordained Bishop | Meinwerk Kaup, O.S.B. † | Titular Bishop of Callinicum | Auxiliary Bishop of Paderborn, Germany |
| 2 Nov | 41.8 | Died | Pierre de Pardaillan de Gondrin d’Autin † | Bishop of Langres, France |
| 11 Nov | | Died | Luke Fagan † | Archbishop of Dublin, Ireland |
| 12 Nov | | Born | Carlo Scribani Rossi † | Piacenza | Bishop of Piacenza, Italy |
| 15 Nov | 60.9 | Ordained Bishop | Giovanni Macario Valenti † | Bishop of Conversano, Italy |
| 18 Nov | 59.9 | Died | Girolamo Grimaldi † | Cardinal, Cardinal-Priest of Santa Balbina |
| 20 Nov | 79.7 | Died | Francesco Frosini † | Archbishop of Pisa, Italy |
| Born | Félix Rico Rico † | Castalla | Bishop of Teruel, Spain |
| 22 Nov | 56.6 | Ordained Bishop | Giacomo Beni † | Bishop of Fano, Italy |
| 53.9 | Ordained Bishop | Salvador Bermúdez y Becerra † | Bishop of Concepción, Chile | Archbishop of La Plata o Charcas, Bolivia |
| 48.9 | Ordained Bishop | François d’Andigné † | Bishop of Acqs (Dax), France |
| Born | Paolantonio Agostini Zamperoli † | Pesaro | Bishop of Urbania-Sant’Angelo in Vado, Italy |
| 25 Nov | | Born | Domenico Mancinforte † | Ancona | Bishop of Faenza, Italy |
| 27 Nov | 65.8 | Died | Onofrio Elisei † | Bishop of Orvieto, Italy |
| Dec | | Born | Giovanni Vincenzo Monforte † | Sorrento | Archbishop of Napoli {Naples}, Italy |
| 2 Dec | 54.1 | Appointed | Thomas Philip Wallrad d’Hénin-Létard d’Alsace-Boussut de Chimay † | Cardinal-Priest of Santa Balbina | Cardinal, Archbishop of Mechelen, Belgium |
| 69.3 | Died | Sinibaldo Doria † | Cardinal, Archbishop of Benevento, Italy |
| 40.0 | Appointed | Niccolò de Rofa (Rosa) † | Bishop of Pozzuoli, Italy |
| 30.8 | Appointed | Samuel Głowiński † | Auxiliary Bishop of Lviv, Ukraine |
| 30.8 | Appointed | Samuel Głowiński † | Titular Bishop of Hebron | Auxiliary Bishop of Lviv, Ukraine |
| 56.0 | Appointed | Giovanni Saverio di Leoni † | Titular Archbishop of Larissa in Thessalia | Bishop of Melfi e Rapolla, Italy |
| 38.0 | Appointed | Michele Mascullo † | Bishop of Lucera, Italy |
| 56.8 | Appointed | Blas Antonio Olóriz † | Auxiliary Bishop of Monreale, Italy |
| 56.8 | Appointed | Blas Antonio Olóriz † | Titular Bishop of Thagaste | Auxiliary Bishop of Monreale, Italy |
| 55.5 | Installed | Marcello Passari † | Cardinal, Cardinal-Priest of Santa Maria in Ara Coeli |
| 63.3 | Appointed | Bartolomé San Martín Orive † | Bishop of Palencia, Spain |
| 72.0 | Died | Jan Skarbek † | Archbishop of Lviv, Ukraine |
| 52.4 | Installed | Giovanni Battista Spínola † | Cardinal-Deacon of San Cesareo in Palatio | Cardinal, Cardinal-Bishop of Albano |
| 6 Dec | 42.7 | Ordained Bishop | Vincenzo Bragadin, O.F.M. Cap. † | Bishop of Scardona (Skradin), Italy | Bishop of Chioggia, Italy |
| 55.3 | Died | Ignatius Franciscus Ladislaus Mednyánszky † | Titular Bishop of Leuce |
| 7 Dec | 31.0 | Installed | Moritz Adolf Karl von Sachsen-Zeitz (Saský) † | Bishop of Litoměřice, Czech Republic |
| 8 Dec | 40.0 | Ordained Bishop | Niccolò de Rofa (Rosa) † | Bishop of Pozzuoli, Italy |
| 57.5 | Ordained Priest | Ottavio Gasparini † | Priest | Bishop of Città di Castello, Italy |
| 38.0 | Ordained Bishop | Michele Mascullo † | Bishop of Lucera, Italy |
| 11 Dec | | Born | Jean-Arnauld de Castellane † | Pont-Saint-Esprit | Bishop of Mende, France |
| 12 Dec | | Born | Mikolaj Duchnowski † | Siemiatycze | Bishop of Suprasl (Ukrainian), Belarus |
| 13 Dec | 56.9 | Ordained Bishop | Blas Antonio Olóriz † | Titular Bishop of Thagaste | Auxiliary Bishop of Monreale, Italy |
| 14 Dec | | Born | Ildefonso Molina Santaella † | Arjona | Bishop of Ciudad Rodrigo, Spain |
| 16 Dec | | Born | Pietro Mancini † | San Marco in Lamis | Bishop of Minervino Murge, Italy |
| 17 Dec | | Born | Franciscus Giliberti † | Solofra | Titular Bishop of Pompeiopolis in Cilicia |
| 57.0 | Died | Jan Feliks Szaniawski † | Bishop of Chełm, Poland |
| 18 Dec | 56.1 | Appointed | Pietro Abbondio Battiloro † | Bishop of Alife, Italy |
| 57.6 | Appointed | Serafino Cenci † | Cardinal, Archbishop of Benevento, Italy |
| 36.1 | Appointed | Claude-Antoine de Choiseul-Beaupré † | Bishop of Chalons-sur-Marne, France |
| Confirmed | Joseph V Dergham El-Khazen † | Patriarch of Antiochia {Antioch} (Maronite), Lebanon |
| 57.5 | Confirmed | Johann Moritz Gustav von Manderscheid-Blankenheim † | Archbishop of Praha {Prague}, Czech Republic |
| 43.6 | Appointed | Christoph Nebel † | Auxiliary Bishop of Mainz, Germany |
| 43.6 | Appointed | Christoph Nebel † | Titular Bishop of Capharnaum | Auxiliary Bishop of Mainz, Germany |
| 43.3 | Confirmed | Nicolas-Charles de Saulx-Tavannes † | Cardinal, Archbishop of Rouen, France |
| 39.9 | Confirmed | Johann Joseph von Wratislaw von Mitrowitz † | Bishop of Hradec Králové, Czech Republic |
| 19 Dec | 24.2 | Ordained Priest | Giuseppe Belletta (Bellotti) † | Priest | Bishop of Massa Lubrense, Italy |
| 23.0 | Ordained Priest | Giuseppe Maria Capece Zurlo, C.R. † | Priest of Congregation of Clerics Regular | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 24.1 | Ordained Priest | Giacomo Cingari † | Priest | Bishop of Gubbio, Italy |
| 23.2 | Ordained Priest | Nicolas (Angelo Odardo) Stefanini † | Priest | Bishop of Accia and Mariana, France |
| 26 Dec | 57.6 | Ordained Bishop | Serafino Cenci † | Cardinal, Archbishop of Benevento, Italy |
| 31 Dec | 45.6 | Died | Bartolomeo Castelli † | Bishop of Senigallia, Italy |