| Date | Age | Event | Bishop | Title | Current Title |
| 6 Jul | | Succeeded | Thomas Costello † | Bishop of Clonfert, Ireland |
| Died | Andrew Donnellan † | Bishop of Clonfert, Ireland |
| 9 Jul | 26.5 | Ordained Deacon | Jan Antoni de Potoczki † | Deacon | Bishop of Przemyśl, Poland |
| 12 Jul | 42.0 | Died | Angelinus (Josephus Jacobus) Gaislmayr, O.C.D. † | Titular Bishop of Anthedon |
| 23.2 | Ordained Priest | Joseph Salecz † | 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 † | Modliborzyce | Bishop of Lublin, Poland |
| 22 Jul | | Born | Sebastião da Anunciação Gomes de Lemos, O.C.D. † | Eixo, Portugal | Bishop Emeritus of Angola e Congo, Angola |
| 23 Jul | 74.1 | Retired | Pedro Cortez y Larraz † | Bishop of Tortosa, Spain | Bishop Emeritus |
| 24 Jul | 38.5 | Appointed | João António Binet Pincio † | Bishop of Lamego, Portugal | Bishop Emeritus |
| 46.0 | Appointed | Thaddaeus Josephus Bukaty † | Titular Bishop of Thespiae |
| 37.8 | Appointed | Mikolaj Bykowski, O.P. † | Titular Bishop of Troas |
| 38.4 | Appointed | Bernardo Maria Carenzoni, O.S.B. † | Bishop of Feltre, Italy |
| 54.0 | Appointed | Dominicus Castells † | Auxiliary Bishop of Valencia, Spain | Auxiliary Bishop-Elect |
| 54.0 | Appointed | Dominicus Castells † | Titular Bishop of Geras | Auxiliary Bishop-Elect of Valencia, Spain |
| 40.1 | Appointed | Elléon de Castellane-Mazangues † | Bishop of Toulon, France |
| 56.0 | Installed | Nicola Colonna di Stigliano † | Cardinal, Cardinal-Priest of Santo Stefano al Monte Celio |
| Appointed | Michael Criesesi † | Bishop of Lezhë {Lesh, Alessio}, Albania |
| 45.6 | Appointed | Giovanni Battista Fonton, O.F.M. Conv. † | Bishop of Syros (e Milos), Greece | Bishop Emeritus |
| 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 | Georgius Giunchi † | Bishop of Bar (Antivari), Montenegro |
| 41.1 | Appointed | 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. † | 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 Carenzoni, O.S.B. † | Bishop of Feltre, Italy |
| 31 Jul | 75.5 | Died | Antonio Branciforte Colonna † | Cardinal, Bishop of Agrigento (Girgenti), Italy |
| 1 Aug | 38.6 | Ordained Bishop | Charles Berington † | Titular Bishop of Hierocaesarea | Vicar Apostolic of Midland District, England, Great Britain |
| 6 Aug | | Ordained Bishop | Yuhanna El-Helou (Dolce) † | Titular Bishop of Akka | Patriarch of Antiochia {Antioch} (Maronite), Lebanon |
| 26.4 | Ordained Bishop | Youssef Tian (Tyen) † | Bishop of Damas (Maronite), Syria | Patriarch Emeritus of Antiochia {Antioch} (Maronite), Lebanon |
| 8 Aug | 59.7 | 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 | 40.2 | Ordained Bishop | Elléon de Castellane-Mazangues † | Bishop of Toulon, France |
| 61.3 | Ordained Bishop | Florian Amand Janowski, O.S.B. † | Bishop of Tarnów, Poland |
| 55.9 | Ordained Bishop | Francesco Vanni, C.R. † | Titular Bishop of Thermae Basilicae | Bishop of Cefalù, Italy |
| 15 Aug | | Born | Agnello Giuseppe d’Auria Loffredo † | Napoli | Bishop of Nocera de’ Pagani, Italy |
| 18 Aug | | Born | Guglielmo Aretini-Sillani † | Sigillo | Bishop Emeritus of Terracina, Priverno e Sezze, Italy |
| 20 Aug | 82.8 | Died | Niccola Maria Calcagnini † | Bishop of Città Ducale, Italy |
| 7 Sep | 69.5 | Died | Giuseppe Maria Carafa † | Bishop of Mileto, Italy |
| 9 Sep | 47.7 | Died | Josephus Cariati † | Archbishop of Cranganore (Angamala), India |
| 13 Sep | | Born | John England † | Cork, Ireland | Bishop of Charleston, South Carolina, USA |
| 15 Sep | | Born | Franz Anton Gindl † | Ratten | Bishop of Gurk, Austria |
| 18 Sep | 42.7 | Appointed | Francesco Saverio Passari † | Titular Archbishop of Larissa in Thessalia |
| 23 Sep | 23.0 | Ordained Priest | Serafino Carchero, O.F.M. Cap. † | Priest of Order of Friars Minor Capuchin | Bishop of Bisarchio o Bisarcio (Ozieri), Italy |
| 24.0 | Ordained Deacon | José Ignacio Cienfuegos Arteaga † | Deacon of Santiago de Chile | Bishop of Concepción, Chile |
| 23.2 | Ordained Priest | José Joaquim (José Antonio) de Oliveira Carvalho (da Imaculada Conceição Amarante), O.F.M. † | Priest of Order of Friars Minor | Archbishop of Cranganore (Angamala), India |
| 24.0 | Ordained Priest | Filippo Monacelli † | Priest | Bishop of Pesaro, Italy |
| 23.5 | Ordained Priest | Giuseppe Prin † | Priest | Bishop of Susa, Italy |
| 24.2 | Ordained Priest | Gregor von Zirkel † | Priest of Würzburg, Germany | Auxiliary Bishop |
| 24 Sep | 64.9 | 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 † | Molfetta | Bishop of Nusco, Italy |
| 25 Sep | 71.7 | Died | Giacinto Sardi † | Bishop of Aquino e Pontecorvo, Italy |
| 29 Sep | 24.4 | Ordained Deacon | Stefan (István) Csech (Cech) † | Deacon | Bishop of Košice, Slovakia |
| Oct | 55.4 | Died | Joannes Antonius Miocevich † | Bishop of Trogir (Traù), Croatia |
| 1 Oct | 24.4 | Ordained Priest | Stefan (István) Csech (Cech) † | Priest | Bishop of Košice, Slovakia |
| 15 Oct | 53.0 | Ordained Bishop | Manuel Azamor y Ramírez † | Bishop of Buenos Aires, Argentina |
| 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 † | Magliano, Italy | Cardinal, Priest of the Roman Curia - Other |
| 16 Oct | | Born | Raffaele Blundo † | Arisno | Archbishop of Taranto, Italy |
| 19 Oct | | Succeeded | James Caulfield † | Bishop of Ferns, Ireland |
| 90.8 | Died | Nicholas Sweetman † | Bishop of Ferns, Ireland |
| 24 Oct | | Born | François-Marie-Edouard de Gualy † | Creissels | Archbishop of Albi, France |
| 29 Oct | 24.1 | Ordained Deacon | András Bőle † | Deacon | Bishop of Szombathely, Hungary |
| Died | John Carpenter † | Archbishop of Dublin, Ireland |
| Born | Ludwik Łętowski † | Tarnawatka | Titular Bishop of Ioppe |
| 30 Oct | 66.1 | Died | Matthias Franz von Chorinsky † | Bishop of Brno, Czech Republic |
| Nov | 45.8 | Ordained Bishop | Giovanni Battista Fonton, O.F.M. Conv. † | Bishop of Syros (e Milos), Greece | Bishop Emeritus |
| 1 Nov | 24.1 | Ordained Priest | András Bőle † | Priest | Bishop of Szombathely, Hungary |
| 5 Nov | 38.1 | Ordained Bishop | Mikolaj Bykowski, O.P. † | Titular Bishop of Troas |
| 52.6 | Ordained Bishop | Nicolas Champenois, M.E.P. † | Titular Bishop of Doliche | Vicar Apostolic of Verapoly, India |
| 60.9 | Ordained Bishop | Jose Martinez Palomino y Lopez de Lorena † | Bishop of Chiapas (Ciudad Real de Chiapas), México | Bishop Emeritus |
| 6 Nov | | Born | Jan Dekert † | Warszawa | Auxiliary Bishop of Warszawa {Warsaw}, Poland |
| 12 Nov | | Ordained Bishop | Gaetano Mantegazza, B. † | Titular Bishop of Maximianopolis in Palaestina |
| 22.7 | Ordained Deacon | Petrus Pustett † | Deacon of Order of St. Augustine | Bishop of Eichstätt, Germany |
| 15 Nov | | Born | Antonio-Maria Calcagno † | Chioggia | Bishop of Adria, Italy |
| Born | Paolo Miossich † | Makarska | Bishop of Split-Makarska (Spalato-Macarska), Croatia |
| 18 Nov | 58.0 | Died | André Teixeira Palha † | Bishop of Faro {Algarve}, Portugal |
| 26 Nov | 22.1 | Ordained Deacon | Szymon Michal Józef Arnold Giedroyć † | Deacon | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
| 29 Nov | 47.8 | Ordained Bishop | Jean-François Hubert † | Titular Bishop of Halmiros | Bishop Emeritus of Québec, Canada |
| Dec | 62.9 | Died | Mateo Joaquin Rubio de Arevalo † | Bishop of Cebu, Philippines |
| 2 Dec | | Born | Augustin Bartolomej Hille † | Velkém Šenove | Bishop of Litoměřice, Czech Republic |
| Died | James O’Fallon † | Bishop of Elphin, Ireland |
| 3 Dec | 47.6 | Appointed | John Thomas Troy, O.P. † | Archbishop of Dublin, Ireland |
| 7 Dec | 45.9 | Selected | Johann Baptist Lachenbauer, O. Cr. † | Bishop of Brno, Czech Republic |
| 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} |
| 39.7 | Appointed | José Carrión y Marfil † | Bishop of Cuenca, Ecuador | Bishop Emeritus of Trujillo, Peru |
| 46.5 | Appointed | Pedro José Chávez de la Rosa † | Bishop of Arequipa, Peru | Bishop Emeritus |
| 48.9 | Appointed | Antonio De Rossi † | Bishop of Veroli, Italy |
| 53.0 | Appointed | Giovanni Vincenzo Monforte † | Bishop of Tropea, Italy | Archbishop of Napoli {Naples}, Italy |
| 41.1 | Appointed | Felipe Pelaez Caunedo † | Bishop of Lugo, Spain |
| 66.9 | Appointed | Jacobus Pisani † | Titular Bishop of Agathopolis |
| 63.4 | Appointed | Francesco Saverio De Vivo † | Archbishop of Lanciano, Italy | Bishop of Nusco, Italy |
| 21 Dec | 53.1 | 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 | 24.3 | Ordained Priest | Ignazio Cafisi † | Priest of Agrigento (Girgenti), Italy | Auxiliary Bishop |
| 22.2 | Ordained Deacon | Francesco Canali † | Deacon | 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 |
| 23.1 | Ordained Priest | Johann Heinrich Milz † | Priest of Trier, Germany | Auxiliary Bishop |
| 23.0 | Ordained Priest | Carlo Monti † | Priest | Bishop of Cagli e Pergola, Italy |
| 22.8 | 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 |
| 23.2 | Ordained Priest | Francesco Felice Tiberi, C.O. † | Priest | Bishop of Valva e Sulmona, Italy |
| 24 Dec | 39.5 | Ordained Bishop | Angelo Antonio Anselmi † | Bishop of Terracina, Priverno e Sezze, Italy | Bishop of San Severino (Marche), Italy |
| 26 Dec | | Born | Estevam a Jesu Maria da Costa, O.F.M. † | Vila de Mafra | Bishop of Angra, Portugal |
| 27 Dec | 79.4 | Appointed | Joaquín de Eleta, O.F.M. † | Archbishop (Personal Title) of Osma, Spain | Bishop |