| Date | Age | Event | Bishop | Title | Current Title |
| 1 Jul | 24.3 | Ordained Priest | John Mangan † | Priest of Kerry (o Ardfert) e Aghadoe, Ireland | Bishop |
| 2 Jul | 46.2 | Installed | Pietro Pace † | Bishop of Gozo, Malta | Bishop of Malta |
| 5 Jul | | Born | Miguel d’Andrea † | | Auxiliary Bishop of Buenos Aires, Argentina |
| 8 Jul | 85.2 | Died | Filippo de Angelis † | Cardinal, Archbishop of Fermo, Italy |
| 9 Jul | | Born | Czesław Sokołowski † | | Auxiliary Bishop of Siedlce, Poland |
| 13 Jul | 78.1 | Died | José Antonio de la Peña y Navarro † | Bishop of Zamora, Michoacán, México |
| 65.5 | Died | Wilhelm Emmanuel von Ketteler † | Bishop of Mainz, Germany |
| 60.4 | Appointed | Christoph Moufang † | Vicar Apostolic of Mainz, Germany | Vicar Apostolic Emeritus |
| Born | Giuseppe Pizzardo † | | Cardinal, Prefect Emeritus of the Congregation of Seminaries and Universities |
| 14 Jul | 67.0 | Died | François-André-Xavier de Gaffory † | Bishop of Ajaccio, France |
| 15 Jul | 25.5 | Ordained Priest | Wilhelm Atanazy Kloske † | Priest of Wrocław (Breslau), Poland | Auxiliary Bishop of Gniezno e Poznań, Poland |
| 17 Jul | 50.4 | Succeeded | John Cameron † | Bishop of Arichat, Nova Scotia, Canada | Bishop of Antigonish, Nova Scotia, Canada |
| 65.9 | Resigned | Colin Francis MacKinnon † | Bishop of Arichat, Nova Scotia, Canada | Bishop Emeritus |
| 22 Jul | 42.5 | Ordained Bishop | Pascal Bili, O.F.M. Ref. † | Titular Bishop of Gratianopolis | Vicar Apostolic of Northwestern Hupeh {Hu-Pè Occiduo-Settentrionale}, China |
| 60.5 | Resigned | Michael (Miguel) Domenec, C.M. † | Bishop of Allegheny, Pennsylvania, USA | Bishop Emeritus |
| 23 Jul | 60.0 | Died | Thomas-Casimir-François de Ladoue † | Bishop of Nevers, France |
| 24 Jul | 54.5 | Appointed | Mario Mocenni † | Titular Archbishop of Heliopolis in Phoenicia | Cardinal, Cardinal-Bishop of Sabina |
| 25 Jul | 55.9 | Selected | Jean-Auguste-Emile Caraguel † | Bishop of Perpignan-Elne, France |
| 50.3 | Selected | Pierre-Antoine-Paul Goux † | Bishop of Versailles, France |
| 61.4 | Ordained Bishop | Edward MacCabe † | Titular Bishop of Gadara | Cardinal, Archbishop of Dublin, Ireland |
| 51.6 | Ordained Bishop | José Moreno y Mazón † | Bishop of Cuenca, Spain | Archbishop of Granada, Spain |
| 27 Jul | | Born | Francesco Maria Franco † | | Bishop Emeritus of Crema, Italy |
| Born | Joseph Cui Shouxun (Tsui Shou-hsun, Tsoei Shou-hsün) † | | Bishop of Yongnian [Yüngnien], China |
| 29 Jul | 23.3 | Ordained Priest | Isidoro Barriga † | Priest of Guayaquil, Ecuador | Apostolic Administrator |
| 30 Jul | 55.8 | Selected | Jules François Lecoq † | Bishop of Nantes, France |
| 31 Jul | 46.3 | Appointed | St. Daniele Comboni, F.S.C.J. † | Vicar Apostolic of Central Africa {Africa Centrale}, Sudan |
| 46.3 | Appointed | St. Daniele Comboni, F.S.C.J. † | Titular Bishop of Claudiopolis in Isauria | Vicar Apostolic of Central Africa {Africa Centrale}, Sudan |
| 19.6 | First Vows | Joseph Aloysius Charles Murphy, S.J. † | Member of Society of Jesus | Vicar Apostolic Emeritus of British Honduras, Belize |
| 61.3 | Appointed | Pieter Matthijs (Petrus Mathias) Snickers † | Bishop of Haarlem, Netherlands | Archbishop of Utrecht, Netherlands |
| 1 Aug | | Born | Louis-Joseph Fillon † | | Archbishop of Bourges, France |
| 2 Aug | 17.9 | Professed | Pacifico Celso Carletti, O.F.M. Cap. † | Member of Order of Friars Minor Capuchin | Bishop of Albenga, Italy |
| 51.6 | Resigned | Thomas Timothy O’Mahony † | Bishop of Armidale, Australia | Auxiliary Bishop of Toronto, Ontario, Canada |
| 3 Aug | 56.4 | Appointed | John Tuigg † | Apostolic Administrator of Allegheny, Pennsylvania, USA | Bishop of Pittsburgh, Pennsylvania, USA |
| 6 Aug | 54.5 | Appointed | Mario Mocenni † | Apostolic Delegate to Ecuador | Cardinal, Cardinal-Bishop of Sabina |
| 54.5 | Appointed | Mario Mocenni † | Apostolic Delegate to Peru | Cardinal, Cardinal-Bishop of Sabina |
| 54.5 | Appointed | Mario Mocenni † | Apostolic Delegate to Bolivia | Cardinal, Cardinal-Bishop of Sabina |
| 54.5 | Appointed | Mario Mocenni † | Apostolic Delegate to Chile | Cardinal, Cardinal-Bishop of Sabina |
| 9 Aug | 27.3 | Professed | Pierre-Philippe Giraudeau, M.E.P. † | Priest of La Société des Missions Etrangères | Vicar Apostolic Emeritus of Tatsienlu, China |
| Born | Theodore Henry Reverman † | | Bishop of Superior, Wisconsin, USA |
| Born | Ferdinand Terrien, S.M.A. † | | Vicar Apostolic of Costa di Benin, Nigeria |
| 12 Aug | 46.4 | Ordained Bishop | St. Daniele Comboni, F.S.C.J. † | Titular Bishop of Claudiopolis in Isauria | Vicar Apostolic of Central Africa {Africa Centrale}, Sudan |
| 54.5 | Ordained Bishop | Mario Mocenni † | Titular Archbishop of Heliopolis in Phoenicia | Cardinal, Cardinal-Bishop of Sabina |
| 14 Aug | 71.2 | Appointed | Garabet Arakelian † | Bishop of Ancira (Angora) (Armenian), Turkey |
| 50.6 | Appointed | Stephan Bedros X Azarian † | Titular Archbishop of Nicosia | Patriarch of Cilicia (Armenian), Lebanon |
| 63.6 | Appointed | Garabed (Carlo) Khadifian (Ghadifian), I.C.P.B. † | Bishop of Sivas {Sebaste} (Armenian), Turkey |
| Died | Nerses Haleblian † | Bishop of Sivas {Sebaste} (Armenian), Turkey |
| 44.5 | Appointed | Paolo Marmarian † | Bishop of Trabzon (Trebisonda) (Armenian), Turkey |
| 57.2 | Appointed | Clément Mikaelian † | Bishop of Marasc (Armenian), Turkey |
| 54.5 | Appointed | Mario Mocenni † | Apostolic Delegate to Venezuela | Cardinal, Cardinal-Bishop of Sabina |
| 54.5 | Appointed | Mario Mocenni † | Apostolic Delegate to Guatemala | Cardinal, Cardinal-Bishop of Sabina |
| 54.5 | Appointed | Mario Mocenni † | Apostolic Delegate to Costa Rica | Cardinal, Cardinal-Bishop of Sabina |
| 54.5 | Appointed | Mario Mocenni † | Apostolic Delegate to Honduras | Cardinal, Cardinal-Bishop of Sabina |
| 54.5 | Appointed | Mario Mocenni † | Apostolic Delegate to Nicaragua | Cardinal, Cardinal-Bishop of Sabina |
| 17 Aug | 47.8 | Appointed | Giovanni Battista Antonio Bartolomeo Marcellino Berardi, O.C.D. † | Coadjutor Vicar Apostolic of Verapoly, India |
| 47.8 | Appointed | Giovanni Battista Antonio Bartolomeo Marcellino Berardi, O.C.D. † | Titular Bishop of Paros | Coadjutor Vicar Apostolic of Verapoly, India |
| 58.0 | Appointed | Adrianus Godschalk † | Auxiliary Bishop of ’s-Hertogenbosch (Bois-le-Duc), Netherlands | Bishop |
| 58.0 | Appointed | Adrianus Godschalk † | Titular Bishop of Hemeria (Himeria) | Bishop of ’s-Hertogenbosch (Bois-le-Duc), Netherlands |
| Born | Louis James O’Leary † | | Bishop of Charlottetown, Prince Edward Island, Canada |
| 18 Aug | | Born | Léon Klerlein, C.S.Sp. † | | Vicar Apostolic Emeritus of Bethlehem, South Africa |
| 19 Aug | 31.8 | Ordained Priest | Charles du Pont de Ligonnès † | Priest | Bishop of Rodez (-Vabres), France |
| 20 Aug | 55.8 | Confirmed | Jules François Lecoq † | Bishop of Nantes, France |
| 21 Aug | 60.3 | Selected | Paul-Matthieu de La Foata † | Bishop of Ajaccio, France |
| Born | Charles Massé † | | Auxiliary Bishop Emeritus of Luçon, France |
| 24 Aug | 50.8 | Ordained Bishop | Charles-Honoré Laborde † | Bishop of Blois, France |
| 25 Aug | 41.4 | Selected | Clovis-Nicolas-Joseph Catteau † | Bishop of Luçon, France |
| 42.7 | Selected | Etienne-Antoine-Alfred Lelong † | Bishop of Nevers, France |
| 26 Aug | 75.2 | Died | Giuseppe Andrea Bizzarri † | Cardinal, Prefect of the Roman Curia - Other |
| 22.8 | Ordained Priest | Franz Borgia Sedej † | Priest of Gorizia e Gradisca, Italy | Archbishop Emeritus |
| 27 Aug | 67.9 | Died | Luigi Maria de Marinis † | Archbishop of Chieti, Italy |
| 28 Aug | 23.8 | Ordained Priest | Karl Heinrich Johannes Willibrord Benzler, O.S.B. † | Priest of Order of Saint Benedict | Bishop Emeritus of Metz, France |
| Born | Réginald (Zénon) Duprat, O.P. † | | Bishop Emeritus of Prince-Albert, Saskatchewan, Canada |
| 21.5 | Professed | Thomas Louis Heylen, O. Praem. † | Member of Order of the Canons Regular of Premontre; Norbertines | Bishop of Namur {Namen}, Belgium |
| 30 Aug | 54.3 | Resigned | Sigismondo Brandolini Rota † | Bishop-Elect of Chioggia, Italy | Bishop of Ceneda, Italy |
| 31 Aug | 57.2 | Died | Emmanuele Kaubeck † | Bishop of Adria, Italy |
| 2 Sep | 24.0 | Ordained Priest | Louis Humbrecht † | Priest of Besançon, France | Archbishop |
| 61.3 | Ordained Bishop | Pieter Matthijs (Petrus Mathias) Snickers † | Bishop of Haarlem, Netherlands | Archbishop of Utrecht, Netherlands |
| 4 Sep | 71.0 | Died | Ivan Josip Vitezić † | Bishop of Krk (Veglia), Croatia |
| 5 Sep | | Born | Domenico Bernareggi † | | Auxiliary Bishop of Milano {Milan}, Italy |
| 6 Sep | 48.8 | Appointed | Thomas Porter, S.J. † | Vicar Apostolic of Giamaica o Jamaica, Antilles |
| 7 Sep | 69.9 | Died | Bonaventura Attanasio, C.Ss.R. † | Bishop Emeritus of Lipari, Italy |
| 44.7 | Appointed | William Fitzgerald † | Bishop of Ross, Ireland |
| 58.0 | Appointed | Pierre-Marie Le Berre, C.S.Sp. † | Vicar Apostolic of Two Guineas {Des Deux Guinées}, Gabon | Vicar Apostolic of Gabon, Gabon |
| 58.0 | Appointed | Pierre-Marie Le Berre, C.S.Sp. † | Titular Bishop of Arca in Phoenicia | Vicar Apostolic of Gabon, Gabon |
| 66.1 | Appointed | Colin Francis MacKinnon † | Titular Archbishop of Amida | Bishop Emeritus of Arichat, Nova Scotia, Canada |
| 38.5 | Appointed | Martin-Jean Pontvianne, M.E.P. † | Vicar Apostolic of Northern Cochin {Cocincina Settentrionale}, Viet Nam |
| 38.5 | Appointed | Martin-Jean Pontvianne, M.E.P. † | Titular Bishop of Botrys | Vicar Apostolic of Northern Cochin {Cocincina Settentrionale}, Viet Nam |
| 8 Sep | 22.7 | Professed | Marie-Félix Choulet, M.E.P. † | Member of La Société des Missions Etrangères | Vicar Apostolic Emeritus of Southern Manchuria {Manciuria Meridionale}, China |
| 76.5 | Died | Louis Amadeus Rappe † | Bishop Emeritus of Cleveland, Ohio, USA |
| 9 Sep | 41.5 | Ordained Bishop | Antônio Maria Corrêa de Sá e Benevides † | Bishop of Mariana, Brazil |
| 68.2 | Died | Miguel Navarro, O.F.M. Ref. † | Vicar Apostolic of Honan {Ho-Nan}, China |
| 10 Sep | | Born | Nicolás Corona y Corona † | | Bishop of Papantla, Puebla, México |
| 75.6 | Died | Augustin Pavel Wahala † | Bishop of Litoměřice, Czechia |
| 11 Sep | | Born | Jean-Joseph-Aimé Moussaron † | | Archbishop of Albi (-Castres-Lavaur), France |
| 55.5 | Died | Isidoro Valls y Pascual † | Bishop of Gerona, Spain |
| 14 Sep | | Born | Matthias Li Jun-ho (Li Rongzhao, Ly Yun-ho) † | | Vicar Apostolic of Yachow, China |
| 19 Sep | | Born | Vincent (George) Taylor, O.S.B. † | | Abbot Emeritus of Belmont-Mary Help of Christians, North Carolina, USA |
| 21 Sep | 58.9 | Appointed | Gaetano Alimonda † | Bishop of Albenga, Italy | Cardinal, Archbishop of Torino {Turin}, Italy |
| 75.1 | Appointed | Fabio Maria Asquini † | Cardinal-Priest of San Lorenzo in Lucina | Cardinal, Secretary of the Roman Curia - Other |
| 58.7 | Confirmed | François-Antoine-Marie-Ambroise-Benjamin Baduel † | Bishop of Saint-Flour, France |
| 63.6 | Confirmed | Guillaume-Marie-Frédéric Bouange † | Bishop of Langres, France |
| 41.4 | Confirmed | Antônio Cândido Alvarenga † | Bishop of São Luís do Maranhão, Brazil | Bishop of São Paulo, Brazil |
| 56.0 | Confirmed | Jean-Auguste-Emile Caraguel † | Bishop of Perpignan-Elne, France |
| 41.5 | Confirmed | Clovis-Nicolas-Joseph Catteau † | Bishop of Luçon, France |
| 41.2 | Confirmed | Carlos Luiz d’Amour † | Bishop of Cuiabá, Brazil | Archbishop of Cuiabá, Mato Grosso, Brazil |
| 55.0 | Appointed | Paul-François-Marie de Forges † | Auxiliary Bishop of Rennes, France | Auxiliary Bishop Emeritus of Rennes (-Dol-Saint-Malo), France |
| 55.0 | Appointed | Paul-François-Marie de Forges † | Titular Bishop of Taenarum | Auxiliary Bishop Emeritus of Rennes (-Dol-Saint-Malo), France |
| 75.5 | Appointed | Manuel Garcia Gil, O.P. † | Cardinal-Priest of Santo Stefano al Monte Celio | Cardinal, Archbishop of Zaragoza, Spain |
| 50.5 | Confirmed | Pierre-Antoine-Paul Goux † | Bishop of Versailles, France |
| 60.4 | Confirmed | Paul-Matthieu de La Foata † | Bishop of Ajaccio, France |
| 42.7 | Confirmed | Etienne-Antoine-Alfred Lelong † | Bishop of Nevers, France |
| 36.7 | Appointed | Amilcare Malagola † | Cardinal, Archbishop of Fermo, Italy |
| 57.1 | Appointed | Ludovico Marangoni, O.F.M. Conv. † | Bishop of Chioggia, Italy |
| 38.0 | Appointed | Bartolomeo Ortolani † | Bishop of Ascoli Piceno, Italy |
| 67.5 | Appointed | Vincenzo Gioacchino Raffaele Luigi Pecci † | Chamberlain (Camerlengo) of the Apostolic Chamber | Pope (Roma {Rome}, Italy) |
| 54.3 | Appointed | Juan Nepomuceno Rueda Rueda † | Bishop of Cartagena, Colombia | Bishop Emeritus of Antioquía, Colombia |
| 22 Sep | 23.0 | Ordained Priest | Gregorio Nicolás Casas y Conde, O.A.R. † | Priest of Order of Augustinian Recollects | Vicar Apostolic of Casanare, Colombia |
| 23.5 | Ordained Priest | Florencio Eduardo Fontecilla Sánchez † | Priest of Santiago de Chile | Bishop of La Serena, Chile |
| 23.8 | Ordained Priest | Julián Miranda y Ristuer † | Priest of Segovia, Spain | Bishop |
| Born | Pio Leonardo Navarra, O.F.M. Conv. † | | Bishop Emeritus of Terracina, Priverno e Sezze, Italy |
| 22.7 | Ordained Priest | Miguel León Prado † | Priest of Santiago de Chile | Bishop of Linares, Chile |
| 23 Sep | 71.3 | Ordained Bishop | Garabet Arakelian † | Bishop of Ancira (Angora) (Armenian), Turkey |
| 50.7 | Ordained Bishop | Stephan Bedros X Azarian † | Titular Archbishop of Nicosia | Patriarch of Cilicia (Armenian), Lebanon |
| 63.7 | Ordained Bishop | Garabed (Carlo) Khadifian (Ghadifian), I.C.P.B. † | Bishop of Sivas {Sebaste} (Armenian), Turkey |
| 22.8 | Ordained Priest | Laurent Guillon, M.E.P. † | Priest of La Société des Missions Etrangères | Vicar Apostolic of Southern Manchuria {Manciuria Meridionale}, China |
| 33.4 | Ordained Priest | Frederick Charles Hopkins, S.J. † | Priest of Society of Jesus | Vicar Apostolic of British Honduras, Belize |
| 44.6 | Ordained Bishop | Paolo Marmarian † | Bishop of Trabzon (Trebisonda) (Armenian), Turkey |
| 57.3 | Ordained Bishop | Clément Mikaelian † | Bishop of Marasc (Armenian), Turkey |
| 60.1 | Ordained Bishop | Konštantín Schuster † | Bishop of Košice, Slovakia | Bishop of Vác, Hungary |
| 29 Sep | | Born | Florent-Michel-Marie-Joseph du Bois de la Villerabel † | | Archbishop Emeritus of Aix (-Arles-Embrun), France |
| 66.8 | Died | Sisto Riario Sforza † | Cardinal, Archbishop of Napoli {Naples}, Italy |
| 30 Sep | | Born | Stanislaw Rospond † | | Auxiliary Bishop of Kraków {Cracow}, Poland |