| Date | Age | Event | Bishop | Title | Current Title |
| 3 Jul | 51.1 | Ordained Bishop | Carlo Benigni † | Bishop of Terni, Italy |
| 49.0 | Ordained Bishop | Camillo Campanelli † | Titular Archbishop of Athenae | Bishop of Perugia, Italy |
| 38.7 | Ordained Bishop | Teresio Maria Carlo Vittorio Ferrero della Marmora † | Bishop of Casale Monferrato, Italy | Cardinal, Bishop Emeritus of Saluzzo, Italy |
| 43.8 | Ordained Bishop | Francesco Maria Giampè † | Bishop of Assisi, Italy |
| 42.7 | Ordained Bishop | Ferdinandus Lomellino, O.S.B. † | Titular Bishop of Antipatris |
| 5 Jul | | Appointed | Stephanus Antonius Aucher † | Titular Archbishop of Claudiopolis in Honoriade |
| 8 Jul | 62.7 | Died | Adam Stanisław Naruszewicz, S.J. † | Bishop of Lutsk (Łuck), Ukraine |
| 10 Jul | 67.6 | Ordained Bishop | Angelicus (Bartholomaeus) Benincasa, O.F.M. Cap. † | Archbishop of Camerino, Italy |
| 53.0 | Ordained Bishop | Antonio David † | Bishop of Narni, Italy |
| 47.0 | Ordained Bishop | Marco Antonio Moscardini † | Bishop of Foligno, Italy |
| 44.2 | Ordained Bishop | Vincenzo Maria Mossi de Morano † | Bishop of Alessandria (della Paglia), Italy | Bishop Emeritus |
| 52.0 | Ordained Bishop | Franciscus Petrus Raccamarich † | Bishop of Kotor (Cattaro), Montenegro | Bishop of Ossero (Osor), Croatia |
| 12 Jul | 60.6 | Died | Nicola Zoppetti, O.S.A. † | Bishop of Fabriano e Matelica, Italy |
| 16 Jul | 68.5 | Died | Carlo di Ambrosio † | Bishop of Larino, Italy |
| 19 Jul | 44.2 | Installed | Juan Cruz Ruiz de Cabañas y Crespo † | Bishop of Guadalajara, Jalisco, México |
| 22 Jul | 70.6 | Died | William Egan † | Bishop of Waterford and Lismore, Ireland |
| 31 Jul | 67.8 | Ordained Bishop | Pius Bonifacius Fassati, O.P. † | Bishop of Tortona, Italy | Bishop Emeritus |
| Aug | 64.9 | Appointed | Ignazio Busca † | Secretary of the Secretariat of State | Cardinal, Chamberlain (Camerlengo) of the College of Cardinals |
| 6 Aug | | Died | Cyril VII (François) Siaj (Siage) † | Patriarch of Antiochia {Antioch} (Melkite Greek), Syria |
| 9 Aug | 63.4 | Succeeded | Godefridus (Philippus Josephus) de La Porte, O.F.M. Cap. † | Archbishop of Naxos, Greece |
| 10 Aug | 23.0 | Ordained Priest | Ignatz Anton Demeter † | Priest of Augsburg, Germany | Archbishop of Freiburg im Breisgau, Germany |
| 14 Aug | 17.4 | Professed | Francisco de La Puente, O.P. † | Member of Order of Friars Preachers | Bishop of Segovia, Spain |
| 15 Aug | 55.9 | Ordained Bishop | Marc-Antione Berdolet † | Bishop | Bishop of Aachen, Germany |
| Born | Stefano Kollárcsik † | Zsebfalu | Bishop of Rožňava, Slovakia |
| 16 Aug | 70.9 | Died | Giovanni Antonio Cossu, O.S.M. † | Bishop of Bosa, Italy |
| 17 Aug | 64.5 | Died | Giulio Pignatelli, O.S.B. † | Archbishop of Salerno, Italy |
| 20 Aug | | Born | Bernardo Gárate y López de Arizmendi † | México | Bishop of Querétaro, México |
| 21 Aug | 47.0 | Ordained Bishop | Manuel Verdugo Albiturría † | Bishop of Islas Canarias {Canary Islands}, Spain |
| 25 Aug | 22.8 | Ordained Deacon | Pietro-Antonio Luciani † | Deacon | Bishop Emeritus of Segni, Italy |
| 27 Aug | 58.7 | Died | Charles-Joseph Compans de Brichanteau † | Bishop Emeritus of Saint-Jean-de-Maurienne, France |
| 29 Aug | | Born | Giovanni Battista Pellei † | Castignano | Bishop of Acquapendente, Italy |
| 31 Aug | 60.7 | Appointed | Agapios III Matar † | Patriarch of Antiochia {Antioch} (Melkite Greek), Syria |
| 60.7 | Appointed | Agapios III Matar † | Bishop of Damas (Melkite Greek), Syria | Patriarch of Antiochia {Antioch} (Melkite Greek), Syria |
| 1 Sep | 58.4 | Died | Francisco Ramón Larumbre † | Bishop of Tudela, Spain |
| 2 Sep | | Born | Pierluigui Pera † | San Gennaro | Archbishop of Lucca, Italy |
| 4 Sep | 20.7 | Ordained Deacon | Manoel Joaquim Gonçalves de Andrade † | Deacon | Bishop of São Paulo, Brazil |
| 5 Sep | | Born | José Maria Barrutia † | Guatemala | Auxiliary Bishop of Guatemala |
| 8 Sep | 20.7 | Ordained Priest | Manoel Joaquim Gonçalves de Andrade † | Priest | Bishop of São Paulo, Brazil |
| 9 Sep | 48.2 | Resigned | Antonio Dugnani † | Titular Archbishop of Rhodus | Cardinal, Prefect of the Apostolic Signatura |
| 11 Sep | 47.2 | Ordained Bishop | Fermín José Fuero y Gómez Martinez Arañon † | Bishop of Chiapas (Ciudad Real de Chiapas), México |
| 22.9 | Ordained Priest | Pietro-Antonio Luciani † | Priest | Bishop Emeritus of Segni, Italy |
| 12 Sep | | Born | Vasyl Popovics † | Komját | Bishop of Mukachevo (Munkács) (Ruthenian), Ukraine |
| 17 Sep | 62.2 | Installed | Franciszek Ksawery Rydzyński † | Bishop of Chelmno (Culma, Kulm), Poland |
| 18 Sep | 264.5 | Beatified | St. Juan de Ribera † | Archbishop of Valencia, Spain |
| 57.1 | Ordained Bishop | Santiago Pérez Arenillas † | Bishop of Gerona, Spain |
| 19 Sep | | Born | Gennaro di Giacomo † | Napoli | Bishop of Alife, Italy |
| 20 Sep | 64.7 | Died | Hugues-François de Regnault-Bellescize † | Bishop of Saint-Brieuc, France |
| 21 Sep | 59.7 | Ordained Bishop | James Louis O’Donel, O.F.M. † | Vicar Apostolic of Newfoundland, Canada | Vicar Apostolic Emeritus |
| 24 Sep | 22.9 | Ordained Priest | Gregorio Muccioli † | Priest | Titular Bishop of Agathopolis |
| 23.5 | Ordained Priest | Arcangelo Polidori † | Priest | Bishop of Foligno, Italy |
| 23.1 | Ordained Priest | Giuseppe della Porta Rodiani † | Priest | Cardinal, Auxiliary Bishop of Roma {Rome}, Italy |
| 23.0 | Ordained Priest | Maurycy Mateusz Wojakowski † | Priest | Auxiliary Bishop of Lublin, Poland |
| 27 Sep | 74.8 | Died | Emanuele Maria Pignone del Carretto, O.S.A. † | Bishop of Sessa Aurunca, Italy |
| 30 Sep | | Appointed | Gregorius de Varess, O.F.M. † | Titular Bishop of Ruspae |
| 2 Oct | 62.9 | Died | Manuel Azamor y Ramírez † | Bishop of Buenos Aires, Argentina |
| 60.4 | Died | Domingo Ramón Fernández Angulo † | Bishop of Tui, Spain |
| 6 Oct | 84.0 | Died | Michele Tafuri † | Bishop of Cava (de’ Tirreni), Italy |
| 7 Oct | 59.4 | Died | Thomas Johann Kaspar von Thun und Hohenstein † | Bishop of Passau, Germany |
| 9 Oct | | Born | John Murdoch † | Wellheads, Enzie | Vicar Apostolic of Western District, Scotland, Great Britain |
| 15 Oct | | Born | John Stephen (Jean Etienne) Bazin † | Duerne, France | Bishop of Vincennes, Indiana, USA |
| Born | Georg Anton Brinkmann † | Billerbeck | Auxiliary Bishop of Münster, Germany |
| 18 Oct | 78.2 | Died | Albert Louis de Lichtervelde † | Bishop of Namur {Namen}, Belgium |
| 22 Oct | 70.2 | Died | Giulio Cesare Viancini † | Bishop of Biella, Italy |
| 23 Oct | 51.2 | Ordained Bishop | Ignatius Cajetanus von Buset zu Faistenberg † | Bishop of Trieste, Italy |
| 23.1 | Ordained Deacon | José Agustín Molina y Villafañe † | Deacon | Vicar Apostolic of Salta, Argentina |
| 24 Oct | | Born | Filippo de’ Conti Curoli † | Faenza | Bishop of Rieti, Italy |
| Born | Rafael Manso † | Villamayor de Campos | Bishop of Zamora, Spain |
| 25 Oct | | Born | Rafael Salinas † | La Plata | Bishop of Cochabamba, Bolivia |
| 3 Nov | | Born | Guillaume-Elisée Martial † | Bordeaux | Bishop of Saint-Brieuc (-Tréguier), France |
| 9 Nov | 23.2 | Ordained Priest | José Agustín Molina y Villafañe † | Priest | Vicar Apostolic of Salta, Argentina |
| 13 Nov | 40.7 | Ordained Priest | Giuseppe Maria Spina † | Priest | Cardinal, Archbishop Emeritus of Genova, Italy |
| 18 Nov | | Born | Karl Arnold-Obrist † | Solothurn | Bishop of Basel, Switzerland |
| 21 Nov | | Born | Louis-Charles Buquet † | Paris | Auxiliary Bishop of Paris, France |
| 22 Nov | 60.9 | Died | Alexandre-Joseph-Alexis de Bruyère de Chalabre † | Bishop Emeritus of Saint-Omer, France |
| 35.8 | Ordained Deacon | Lothar Anselm von Gebsattel † | Deacon of Würzburg, Germany | Archbishop of München und Freising {Munich}, Germany |
| 23 Nov | 79.2 | Died | Julián Gascueña Herráiz, O.F.M. † | Bishop of Avila, Spain |
| 24 Nov | 84.4 | Died | Nicolò Antonio Giustiniani, O.S.B. † | Bishop of Padova {Padua}, Italy |
| 25 Nov | | Born | Bernard Buissas † | Toulouse | Bishop of Limoges, France |
| 26 Nov | 24.5 | Ordained Priest | John Murphy † | Priest | Bishop of Cork, Ireland |
| 30 Nov | 44.3 | Ordained Bishop | Jean-Baptiste d’Odet † | Bishop of Lausanne, Switzerland |
| 3 Dec | | Born | Francis Patrick Kenrick † | Dublin, Ireland | Archbishop of Baltimore, Maryland, USA |
| 24.1 | Ordained Deacon | Ján Krstitel Ladislav Pyrker (Pryker), O. Cist. † | Deacon of Order of Cistercians | Archbishop of Eger, Hungary |
| 4 Dec | 24.1 | Ordained Priest | Ján Krstitel Ladislav Pyrker (Pryker), O. Cist. † | Priest of Order of Cistercians | Archbishop of Eger, Hungary |
| 6 Dec | 35.9 | Ordained Priest | Lothar Anselm von Gebsattel † | Priest of Würzburg, Germany | Archbishop of München und Freising {Munich}, Germany |
| 9 Dec | | Born | Domenico Lucciardi † | Sarzano | Cardinal, Bishop of Senigallia, Italy |
| 13 Dec | 48.7 | Selected | Leopold Leonhard von Thun † | Bishop of Passau, Germany |
| 16 Dec | 46.1 | Appointed | Emidio Ziucci † | Titular Archbishop of Damascus |
| 17 Dec | 22.8 | Ordained Deacon | Johann Wilhelm Bausch † | Deacon of Trier, Germany | Bishop of Limburg, Germany |
| 22.9 | Ordained Priest | Luigi Canestrari, O.F.M. † | Priest of Order of Friars Minor | Bishop of Montalto (delle Marche), Italy |
| 23.1 | Ordained Priest | Giuseppe Gaetano Incontri † | Priest of Volterra, Italy | Bishop |
| 24.1 | Ordained Priest | Gelasio Serao † | Priest | Bishop of Cariati, Italy |
| 18 Dec | 28.8 | Ordained Deacon | Godehard Joseph Osthaus † | Deacon of Hildesheim, Germany | Bishop |
| 50.5 | Appointed | Salvatore Spinelli, O.S.B. † | Archbishop of Salerno, Italy |
| 30 Dec | | Born | Eduard Jakob Wedekin † | Groß-Düngen | Bishop of Hildesheim, Germany |