| Date | Age | Event | Bishop | Title | Current Title | 
| 6 Jul | 42.5 | Succeeded | Thomas Costello † | Bishop of Clonfert, Ireland | 
 | Died | Andrew Donnellan † | Bishop of Clonfert, Ireland | 
 | Born | Daniel O’Connor, O.E.S.A. † |  | Vicar Apostolic Emeritus of Madras, India | 
| 9 Jul | 26.5 | Ordained Deacon | Jan Antoni de Potoczki † | Deacon | Bishop of Przemyśl, Poland | 
| 12 Jul | 41.9 | Died | Angelin (Joseph Jakob) Geiselmayer, O.C.D. † | Vicar Apostolic of Great Mogul (Mughals), India | 
| 23.2 | Ordained Priest | Joseph (Josip) Salecz (Žalec) † | Priest | Auxiliary Bishop of Zagreb (Agram), Croatia | 
| 16 Jul | 51.2 | Ordained Bishop | Józef Olechowski † | Titular Bishop of Verinopolis | Auxiliary Bishop of Kraków, Poland | 
| 19 Jul |  | Born | Vincenzo Pieńkowski † |  | Bishop of Lublin, Poland | 
| 22 Jul |  | Born | Sebastião da Anunciação Gomes de Lemos, O.C.D. † |  | Bishop Emeritus of Angola e Congo | 
| 23 Jul | 74.1 | Retired | Pedro Cortez y Larraz † | Bishop of Tortosa, Spain | Bishop Emeritus | 
| 24 Jul | 38.4 | Confirmed | João António Binet Pincio † | Bishop of Lamego, Portugal | Bishop Emeritus | 
| 45.9 | Appointed | Tadeusz Józef Bukaty † | Auxiliary Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania | 
| 45.9 | Appointed | Tadeusz Józef Bukaty † | Titular Bishop of Thespiae | Auxiliary Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania | 
| 37.7 | Appointed | Mikołaj Bykowski, O.P. † | Titular Bishop of Troas | 
| 38.3 | Appointed | Bernardo Maria (Hercules Antonio Vincent) Carenzoni, O.S.B. † | Bishop of Feltre, Italy | 
| 53.9 | Appointed | Dominicus Castells † | Auxiliary Bishop of Valencia, Spain | Auxiliary Bishop-Elect | 
| 53.9 | Appointed | Dominicus Castells † | Titular Bishop of Geras | Auxiliary Bishop-Elect of Valencia, Spain | 
| 40.1 | Confirmed | Elléon de Castellane-Mazangues † | Bishop of Toulon, France | 
| 56.0 | Installed | Nicola Colonna di Stigliano † | Cardinal, Cardinal-Priest of Santo Stefano al Monte Celio | 
| 40.5 | Appointed | Mikeli Kryezezi (Criesesi) † | Bishop of Lezhë {Lesh, Alessio}, Albania | 
| 45.5 | Appointed | Giovanni Battista Fonton, O.F.M. Conv. † | Bishop of Syros (e Milos), Greece | Vicar Apostolic of Constantinople, Turkey | 
| 49.2 | Appointed | Franz Egon von Fürstenberg † | Titular Bishop of Derbe | Bishop of Hildesheim, Germany | 
| 49.2 | Confirmed | Franz Egon von Fürstenberg † | Coadjutor Bishop of Hildesheim, Germany | Bishop | 
| 49.2 | Confirmed | Franz Egon von Fürstenberg † | Coadjutor Bishop of Paderborn, Germany | Bishop of Hildesheim, Germany | 
| 59.4 | Appointed | Gjergji Junki (Giunchi) † | Bishop of Bar (Antivari), Montenegro | 
| 41.1 | Confirmed | Antoni de Gołaszewski † | Bishop of Przemyśl, Poland | 
| 51.3 | Appointed | Victoriano López Gonzalo † | Bishop of Tortosa, Spain | Bishop of Cartagena (en España) | 
| 55.8 | Appointed | Francesco Vanni, C.R. † | Auxiliary Bishop of Messina, Italy | Bishop of Cefalù, Italy | 
| 55.8 | Appointed | Francesco Vanni, C.R. † | Titular Bishop of Thermae Basilicae | Bishop of Cefalù, Italy | 
| 27 Jul | 24.4 | Ordained Priest | Richard Kornelius Dammers † | Priest of Paderborn, Germany | Bishop | 
| 30 Jul | 38.4 | Ordained Bishop | Bernardo Maria (Hercules Antonio Vincent) Carenzoni, O.S.B. † | Bishop of Feltre, Italy | 
| 31 Jul | 75.5 | Died | Antonio Branciforte Colonna † | Cardinal, Bishop of Agrigento (Girgenti), Italy | 
| 1 Aug | 38.5 | Ordained Bishop | Charles Berington † | Titular Bishop of Hierocaesarea | Vicar Apostolic of Midland District, England, Great Britain | 
| 5 Aug | 57.8 | Selected | Niccolò Angelo Sagredo † | Archbishop of Udine, Italy | Bishop of Torcello (Turris), Italy | 
| 6 Aug |  | Ordained Bishop | Yuhanna El-Helou (Dolce) † | Titular Bishop of Akka | Patriarch of Antiochia {Antioch} (Maronite), Lebanon | 
| 26.3 | Ordained Bishop | Youssef Tian (Tyen) † | Bishop of Damas (Maronite), Syria | Patriarch Emeritus of Antiochia {Antioch} (Maronite), Lebanon | 
| 8 Aug | 59.6 | Died | Paolo Maurizio Caissotti, C.O. † | Bishop of Asti, Italy | 
| 65.4 | Died | Angel Molinos, O.P. † | Bishop of Zamora, Spain | 
| 12 Aug | 26.6 | Ordained Priest | Jan Antoni de Potoczki † | Priest | Bishop of Przemyśl, Poland | 
| 13 Aug | 40.1 | Ordained Bishop | Elléon de Castellane-Mazangues † | Bishop of Toulon, France | 
| 61.2 | Ordained Bishop | Florian Amand Janowski, O.S.B. † | Bishop of Tarnów, Poland | 
| 55.8 | Ordained Bishop | Francesco Vanni, C.R. † | Titular Bishop of Thermae Basilicae | Bishop of Cefalù, Italy | 
| 15 Aug |  | Born | Agnello Giuseppe d’Auria Loffredo † |  | Bishop of Nocera de’ Pagani, Italy | 
| 18 Aug |  | Born | Guglielmo Aretini-Sillani † |  | Bishop Emeritus of Terracina, Priverno e Sezze, Italy | 
| 20 Aug | 82.8 | Died | Niccola Maria Calcagnini † | Bishop of Città Ducale, Italy | 
| 21 Aug |  | Born | Gabriel Henri Jérôme de Solages † |  | Prefect of Bourbon, Réunion | 
| Sep | 27.8 | Ordained Deacon | António Luís da Veiga Cabral e Câmara † | Deacon | Bishop of Bragança e Miranda, Portugal | 
| 1 Sep | 59.5 | Appointed | Gjergji Junki (Giunchi) † | Apostolic Administrator of Budua (Budva), Montenegro | Bishop of Bar (Antivari), Montenegro | 
| 2 Sep | 59.9 | Resigned | Vincenzo Ranuzzi † | Apostolic Nuncio to Portugal | Cardinal, Bishop of Ancona e Numana, Italy | 
| 7 Sep | 69.4 | Died | Giuseppe Maria Carafa, C.R. † | Bishop Emeritus of Mileto, Italy | 
| 10 Sep | 44.3 | Died | José (Joseph) Cariati (Kariattil) † | Archbishop of Cranganore (Angamala), India | 
| 13 Sep |  | Born | John England † |  | Bishop of Charleston, South Carolina, USA | 
 | Born | Ludwik Łętowski † |  | Titular Bishop of Ioppe | 
| 15 Sep |  | Born | František Antonín (Franz Anton) Gindl † |  | Bishop of Gurk, Austria | 
| 18 Sep | 42.6 | Appointed | Francesco Saverio Passari † | Titular Archbishop of Larissa in Thessalia | 
| 42.6 | Appointed | Francesco Saverio Passari † | Vicegerent of Roma {Rome}, Italy | Titular Archbishop of Larissa in Thessalia | 
| 23 Sep | 23.0 | Ordained Priest | Serafino Matteo Ignazio Marie Carchero, O.F.M. Cap. † | Priest of Order of Friars Minor Capuchin | Bishop of Bisarchio o Bisarcio (Ozieri), Italy | 
| 23.9 | Ordained Deacon | José Ignacio Cienfuegos Arteaga † | Deacon of Santiago de Chile | Bishop of Concepción, Chile | 
| 23.1 | Ordained Priest | José Joaquim (José Antonio) de Oliveira Carvalho (da Imaculada Conceição Amarante), O.F.M. Obs. † | Priest of Order of Observant Friars Minor | Archbishop of Cranganore (Angamala), India | 
| 23.9 | Ordained Priest | Filippo Monacelli † | Priest | Bishop of Pesaro, Italy | 
| 23.4 | Ordained Priest | Giuseppe Prin † | Priest | Bishop of Susa, Italy | 
| 24.1 | Ordained Priest | Gregor von Zirkel † | Priest of Würzburg, Germany | Auxiliary Bishop | 
| 24 Sep | 64.8 | Died | Francesco d’Afflitto † | Bishop of Lettere (-Gragnano), Italy | 
| 61.4 | Installed | Florian Amand Janowski, O.S.B. † | Bishop of Tarnów, Poland | 
 | Born | Francesco-Paolo Mastropasqua † |  | Bishop of Nusco, Italy | 
| 25 Sep | 71.6 | Died | Giacinto Sardi † | Bishop of Aquino e Pontecorvo, Italy | 
| 29 Sep | 24.3 | Ordained Deacon | Stefan (István) Csech (Cech) † | Deacon | Bishop of Košice, Slovakia | 
| Oct | 55.4 | Died | Johann Anton Miocevich † | Bishop of Trogir (Traù), Croatia | 
| 69.0 | Resigned | Francesco Saverio de Zelada † | Pro-Prefect of the Congregation of Bishops and Regulars | Cardinal, Archivist of the Vatican Secret Archive | 
| 1 Oct | 24.3 | Ordained Priest | Stefan (István) Csech (Cech) † | Priest | Bishop of Košice, Slovakia | 
| 15 Oct | 52.9 | Ordained Bishop | Manuel Azamor y Ramírez † | Bishop of Buenos Aires, Argentina | 
| 38.6 | Ordained Bishop | João António Binet Pincio † | Bishop of Lamego, Portugal | Bishop Emeritus | 
| 74.9 | Died | Bernardo Antonio Calderón Lázaro † | Bishop of Osma, Spain | 
| 41.3 | Ordained Bishop | Antoni de Gołaszewski † | Bishop of Przemyśl, Poland | 
 | Born | Giovanni Serafini † |  | Cardinal, Priest of the Roman Curia - Other | 
| 16 Oct |  | Born | Raffaele Blundo † |  | Archbishop of Taranto, Italy | 
| 17 Oct | 80.9 | Died | Isidoro Sánchez de Luna, O.S.B. † | Archbishop Emeritus of Salerno, Italy | 
| 19 Oct | 54.7 | Succeeded | James Caulfield † | Bishop of Ferns, Ireland | 
| 86.7 | Died | Nicholas Sweetman † | Bishop of Ferns, Ireland | 
| 24 Oct |  | Born | François-Marie-Edouard de Gualy † |  | Archbishop of Albi, France | 
| 29 Oct | 24.1 | Ordained Deacon | András Bőle † | Deacon of Szombathely, Hungary | Bishop | 
| 58.8 | Died | John Carpenter † | Archbishop of Dublin, Ireland | 
| 30 Oct | 66.0 | Died | Matej Frantisek von Chorinsky † | Bishop of Brno, Czechia | 
| 31 Oct | 79.2 | Selected | Joaquín de Eleta, O.F.M. † | Archbishop (Personal Title) of Osma, Spain | Bishop | 
| Nov | 48.8 | Appointed | Alessandro Alessandretti † | Vicar Apostolic of Comacchio, Italy | Bishop Emeritus of Macerata e Tolentino, Italy | 
| 45.8 | Ordained Bishop | Giovanni Battista Fonton, O.F.M. Conv. † | Bishop of Syros (e Milos), Greece | Vicar Apostolic of Constantinople, Turkey | 
| 58.8 | Died | Simon Quinn † | Coadjutor Bishop of Cloyne and Ross, Ireland | 
| 1 Nov | 24.1 | Ordained Priest | András Bőle † | Priest of Szombathely, Hungary | Bishop | 
| 5 Nov | 38.0 | Ordained Bishop | Mikołaj Bykowski, O.P. † | Titular Bishop of Troas | 
| 52.5 | Ordained Bishop | Nicolas Champenois, M.E.P. † | Titular Bishop of Doliche | Superior of Karnatic Mission / Pondicherry, India | 
| 60.8 | Ordained Bishop | Jose Martinez Palomino y Lopez de Lorena † | Bishop of Chiapas (Ciudad Real de Chiapas), México | Bishop Emeritus | 
| 6 Nov |  | Born | Jan Dekert † |  | Auxiliary Bishop of Warszawa {Warsaw}, Poland | 
| 12 Nov | 41.5 | Ordained Bishop | Gaetano Maria Mantegazza (Montegazza), B. † | Titular Bishop of Maximianopolis in Palaestina | Vicar Apostolic of Ava e Pegù, Myanmar | 
| 22.6 | Ordained Deacon | Petrus Pustett † | Deacon of Order of Hermits of St. Augustine | Bishop of Eichstätt, Germany | 
| 15 Nov |  | Born | Antonio-Maria Calcagno † |  | Bishop of Adria, Italy | 
 | Born | Pavao Klement Miošić (Miossich) Kačić † |  | Bishop of Split-Makarska (Spalato-Macarska), Croatia | 
| 19 Nov | 36.6 | Succeeded | Etienne-André-François de Paule de Fallot de Béaupré de Beaumont † | Bishop of Vaison, France | Bishop Emeritus | 
| 79.6 | Died | Gaetano Galbato † | Auxiliary Bishop of Messina, Italy | 
| 47.7 | Ordained Bishop | Jean-François Hubert † | Titular Bishop of Halmiros | Bishop Emeritus of Québec, Canada | 
| 57.9 | Died | André Teixeira Palha † | Bishop of Faro {Algarve}, Portugal | 
| 24 Nov | 52.9 | Selected | Giovanni Vincenzo Monforte † | Bishop of Tropea, Italy | Archbishop of Napoli {Naples}, Italy | 
| 63.3 | Selected | Francesco Saverio de Vivo † | Archbishop of Lanciano, Italy | Bishop of Nusco, Italy | 
| 26 Nov | 22.0 | Ordained Deacon | Szymon Michal Józef Arnold Giedroyć † | Deacon | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania | 
| 42.8 | Ordained Bishop | Francesco Saverio Passari † | Titular Archbishop of Larissa in Thessalia | 
| Dec | 62.1 | Died | Mateo Joaquin Rubio de Arevalo † | Bishop of Cebu, Philippines | 
| 2 Dec |  | Born | Augustin Bartolomej Hille † |  | Bishop of Litoměřice, Czechia | 
| 77.9 | Died | James O’Fallon † | Bishop of Elphin, Ireland | 
| 7 Dec | 45.8 | Selected | Johann Baptist Lachenbauer, O.Cr. † | Bishop of Brno, Czechia | 
| 9 Dec | 40.9 | Selected | Manoel de Jesus, O.E.S.A. † | Bishop of São Tomé of Meliapore, India | 
| 18 Dec | 48.9 | Appointed | Alessandro Alessandretti † | Titular Bishop of Zama Major | Bishop Emeritus of Macerata e Tolentino, Italy | 
| 39.5 | Appointed | Angelo Antonio Anselmi † | Bishop of Terracina, Priverno e Sezze, Italy | Bishop of San Severino (Marche), Italy | 
| 33.4 | Elevated to Cardinal | Romoaldo Braschi-Onesti † | Cardinal, Archpriest of the Basilica di San Pietro in Vaticano {Saint Peter Basilica} | 
| 39.6 | Appointed | José Carrión y Marfil † | Bishop of Cuenca, Ecuador | Bishop Emeritus of Trujillo, Peru | 
| 46.4 | Appointed | Pedro José Chávez de la Rosa † | Bishop of Arequipa, Peru | Bishop Emeritus | 
| 48.8 | Appointed | Antonio Rossi † | Bishop of Veroli, Italy | 
| 79.4 | Confirmed | Joaquín de Eleta, O.F.M. † | Archbishop (Personal Title) of Osma, Spain | Bishop | 
| 24.1 | Ordained Priest | Antonio Faà di Bruno † | Priest | Bishop of Asti, Italy | 
| 52.9 | Confirmed | Giovanni Vincenzo Monforte † | Bishop of Tropea, Italy | Archbishop of Napoli {Naples}, Italy | 
| 41.0 | Appointed | Felipe Peláez Caunedo † | Bishop of Lugo, Spain | 
| 66.8 | Appointed | Giacomo Pisani † | Titular Bishop of Agathopolis | 
| 63.4 | Confirmed | Francesco Saverio de Vivo † | Archbishop of Lanciano, Italy | Bishop of Nusco, Italy | 
| 19 Dec | 47.7 | Appointed | John Thomas Troy, O.P. † | Archbishop of Dublin, Ireland | 
| 21 Dec | 53.0 | Ordained Bishop | Giovanni Vincenzo Monforte † | Bishop of Tropea, Italy | Archbishop of Napoli {Naples}, Italy | 
| 63.4 | Ordained Bishop | Francesco Saverio de Vivo † | Archbishop of Lanciano, Italy | Bishop of Nusco, Italy | 
| 23 Dec | 24.2 | Ordained Priest | Ignazio Cafisi † | Priest of Agrigento (Girgenti), Italy | Auxiliary Bishop | 
| 22.1 | Ordained Deacon | Francesco Canali † | Deacon of Perugia, Italy | Cardinal, Bishop Emeritus of Tivoli, Italy | 
| 24.2 | Ordained Priest | José Ignacio Cienfuegos Arteaga † | Priest of Santiago de Chile | Bishop of Concepción, Chile | 
| 28.1 | Ordained Priest | António Luís da Veiga Cabral e Câmara † | Priest | Bishop of Bragança e Miranda, Portugal | 
| 23.0 | Ordained Priest | Johann Heinrich Milz † | Priest of Trier, Germany | Auxiliary Bishop | 
| 22.9 | Ordained Priest | Carlo Monti † | Priest | Bishop of Cagli e Pergola, Italy | 
| 22.7 | Ordained Priest | Vincenzo-Tommaso Pirattoni, O.P. † | Priest of Order of Friars Preachers | Bishop of Albenga, Italy | 
| 25.3 | Ordained Priest | Dionisio Ridolfini Conestabile † | Priest | Bishop of Viterbo e Tuscania, Italy | 
| 24.5 | Ordained Priest | Antoine Rochaix † | Priest | Bishop of Tarentaise, France | 
| 23.1 | Ordained Priest | Francesco Felice Tiberi, C.O. † | Priest | Bishop of Valva e Sulmona, Italy | 
| 26 Dec |  | Born | Estevam a Jesu Maria da Costa, O.F.M. Ref. † |  | Bishop of Angra, Portugal |