| Date | Age | Event | Bishop | Title | Current Title |
| 1 Jul | 67.5 | Ordained Bishop | José Manuel da Cámara d’Atalaia † | Cardinal, Patriarch of Lisboa {Lisbon}, Portugal |
| 2 Jul | 69.0 | Died | Francesco Carafa † | Bishop of Nardò, Italy |
| 58.2 | Died | Giuseppe di Marsciano † | Bishop of Orvieto, Italy |
| 4 Jul | 51.5 | Selected | Charles-Marie de Quélen † | Titular Bishop of Bethleem |
| Born | Giulio Rossi † | Pistoia | Bishop of Pescia, Italy |
| 6 Jul | 54.5 | Died | Michele Maria Vincentini † | Titular Archbishop of Teodosia |
| 7 Jul | 27.8 | Ordained Priest | Joannes Karski † | Priest | Auxiliary Bishop of Gniezno, Poland |
| 9 Jul | 64.0 | Died | Marinus Bozzatini † | Bishop of Novigrad (Cittanova), Croatia |
| 77.0 | Died | Felice Leone, O.S.A. † | Bishop of Avellino e Frigento, Italy |
| 11 Jul | 53.1 | Selected | Johann Philipp von Walderdorff † | Coadjutor Archbishop of Trier, Germany | Archbishop |
| 15 Jul | | Born | Giacomo Ranghiasci † | Gubbio | Bishop of San Severino (Marche), Italy |
| 20 Jul | | Born | Jacobo Bencomo y Rodríguez † | La Laguna | Bishop-Elect of Astorga, Spain |
| 21 Jul | 62.3 | Ordained Bishop | Francisco Xavier Aranha † | Titular Bishop of Thermopylae | Bishop of Olinda, Brazil |
| 22 Jul | 45.6 | Appointed | Antonius Biglia † | Titular Archbishop of Corinthus |
| 37.4 | Appointed | Giuseppe Maria Carafa † | Bishop of Trivento, Italy | Bishop of Mileto, Italy |
| 52.8 | Installed | Enrique Enríquez † | Cardinal-Priest of Sant’Eusebio | Cardinal, Official of the Secretariat of State |
| Confirmed | Michael Petros III Kasparian † | Patriarch of Cilicia (Armenian), Lebanon |
| 48.4 | Appointed | Giorgio Maria Lascaris, C.R. † | Titular Archbishop of Teodosia | Titular Patriarch of Jerusalem {Gerusalemme}, Palestine |
| 62.4 | Appointed | Josephus Maria Marini, O.S.A. † | Titular Bishop of Thagaste |
| 46.7 | Appointed | Giuseppe Antonio Piperni † | Bishop of Caiazzo, Italy |
| 58.7 | Installed | Fabrizio Serbelloni † | Cardinal-Priest of Santo Stefano al Monte Celio | Cardinal, Cardinal-Bishop of Ostia (e Velletri) |
| 62.1 | Appointed | Giacinto Silvestri † | Bishop of Orvieto, Italy |
| 62.5 | Ordained Bishop | Domenico Tatis, O.S.B. † | Bishop of Brugnato, Italy |
| 49.1 | Appointed | Antonio Tripcovich † | Bishop of Nona (Nin), Croatia |
| 24 Jul | | Born | Józef Arnulf Giedroyc † | Kossakowszczyzna-Giedrojcie | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania |
| 25 Jul | 37.4 | Ordained Bishop | Giuseppe Maria Carafa † | Bishop of Trivento, Italy | Bishop of Mileto, Italy |
| 57.9 | Died | Ippolito Graziadei † | Bishop of Città della Pieve, Italy |
| 62.4 | Ordained Bishop | Josephus Maria Marini, O.S.A. † | Titular Bishop of Thagaste |
| 46.8 | Ordained Bishop | Giuseppe Antonio Piperni † | Bishop of Caiazzo, Italy |
| 28 Jul | 45.7 | Ordained Bishop | Antonius Biglia † | Titular Archbishop of Corinthus |
| 49.2 | Ordained Bishop | Antonio Tripcovich † | Bishop of Nona (Nin), Croatia |
| Aug | 25.6 | Ordained Bishop | Joseph VI Estephan † | Bishop of Beirut {Bairut} (Maronite), Lebanon | Patriarch of Antiochia {Antioch} (Maronite), Lebanon |
| 58.3 | Died | Jacobus Guacci † | Bishop of Belcastro, Italy |
| 3 Aug | 84.2 | Died | Jean-Baptiste Surian † | Bishop of Vence, France |
| 6 Aug | 41.1 | Died | Mattino Ignazio Caracciolo † | Titular Archbishop of Chalcedon |
| 8 Aug | | Born | Francesco Maria de Luca, O.F.M. † | Ponticelli | Archbishop of Lanciano (e Ortona), Italy |
| 15 Aug | 67.7 | Died | Francesco Iorio (Jorio) † | Bishop of Monopoli, Italy |
| 16 Aug | 33.1 | Ordained Bishop | Aymard-Chrétien-François-Michel de Nicolay † | Bishop of Verdun, France |
| 20 Aug | | Born | Bernardo Bernardino Beltrão Freire † | Carapito | Bishop of Pinhel, Portugal |
| 21 Aug | | Born | Rafael de La Vara † | Comillas, Spain | Archbishop of Guatemala |
| 25 Aug | | Born | Jean-Baptiste Dubois † | Argentolles | Bishop of Dijon, France |
| 28 Aug | | Born | Sigmund Christoph von Waldburg-Zeil-Trauchburg † | München | Bishop Emeritus of Chiemsee, Germany |
| 2 Sep | 64.9 | Died | Fabrizio Borgia † | Bishop of Ferentino, Italy |
| 77.8 | Died | Eustachio Palma † | Bishop of Fossombrone, Italy |
| 7 Sep | 68.9 | Died | Antoine-Pierre de Grammont † | Archbishop of Besançon, France |
| 11 Sep | 84.5 | Appointed | Giovanni Maria Benzoni † | Titular Archbishop of Nazianzus | Bishop Emeritus of Chioggia, Italy |
| 16 Sep | 53.7 | Appointed | Ubaldo Baldassini, B. † | Bishop of Bagnoregio (Bagnorea), Italy | Bishop of Jesi, Italy |
| 44.0 | Appointed | Giovanni Battista Bavestrelli † | Bishop of Chios (Scio), Greece | Bishop Emeritus |
| 42.7 | Appointed | Pierre-Joseph de Brunes de Monlouet † | Bishop of Saint-Omer, France |
| 54.3 | Appointed | Isidoro Cossío Bustamente † | Bishop of Valladolid, Spain | Bishop Emeritus |
| 61.2 | Appointed | Luigi d’Alessandro † | Archbishop of Bari (-Canosa), Italy |
| 64.9 | Appointed | Muzio Gaeta (Jr.) † | Archbishop of Capua, Italy |
| 53.7 | Appointed | Stephanus di Leoni † | Bishop of Novigrad (Cittanova), Croatia |
| 50.6 | Appointed | Filippo Mornati † | Bishop of Nepi e Sutri, Italy |
| 49.9 | Appointed | Celestino Orlandi, O.S.B. † | Bishop of Molfetta, Italy |
| 40.2 | Appointed | Pietro Paolo Tosi † | Bishop of Ferentino, Italy |
| 53.3 | Appointed | Johann Philipp von Walderdorff † | Titular Archbishop of Patrae (Veters) | Archbishop of Trier, Germany |
| 53.3 | Confirmed | Johann Philipp von Walderdorff † | Coadjutor Archbishop of Trier, Germany | Archbishop |
| 17 Sep | 79.0 | Died | Petrus Franciscus Hugon † | Auxiliary Bishop of Besançon, France |
| 19 Sep | 63.3 | Resigned | Seraphinus Torriani, O.F.M. † | Bishop of Pult, Albania | Bishop Emeritus |
| 21 Sep | 24.2 | Ordained Priest | Giovanni Battista Brancaccio † | Priest | Bishop of Ostuni, Italy |
| 22.9 | Ordained Priest | Franciscus Kornis de Goncz-Ruszka † | Priest | Auxiliary Bishop of Győr (Raab), Hungary |
| 22 Sep | 53.7 | Ordained Bishop | Stephanus di Leoni † | Bishop of Novigrad (Cittanova), Croatia |
| 24 Sep | | Born | Luis La Encina Díaz y Pereiro † | Las Palmas, Spain | Bishop of Arequipa, Peru |
| 29 Sep | 53.8 | Ordained Bishop | Ubaldo Baldassini, B. † | Bishop of Bagnoregio (Bagnorea), Italy | Bishop of Jesi, Italy |
| 24.0 | Ordained Priest | Vicente do Espirito Santo, O.A.D. † | Priest of Agostiniani Scalzi | Prelate of Goiás, Brazil |
| 50.6 | Ordained Bishop | Filippo Mornati † | Bishop of Nepi e Sutri, Italy |
| 49.9 | Ordained Bishop | Celestino Orlandi, O.S.B. † | Bishop of Molfetta, Italy |
| 40.3 | Ordained Bishop | Pietro Paolo Tosi † | Bishop of Ferentino, Italy |
| Oct | | Born | Silvester Bubanovich † | Pechno | Bishop of Križevci (Kreutz) (Križevci), Croatia |
| 76.3 | Died | Lorenzo Gioeni d’Aragona † | Bishop of Agrigento (Girgenti), Italy |
| Born | Ivan Antun Sintić † | Veglen | Bishop of Krk (Veglia), Croatia |
| 4 Oct | | Born | Franciszek Skarbek von Malczewski † | Panienka | Archbishop of Warszawa {Warsaw}, Poland |
| 6 Oct | 23.0 | Ordained Priest | Carlo Luigi Buronzo del Signore † | Priest | Archbishop Emeritus of Torino {Turin}, Italy |
| 7 Oct | 63.8 | Died | Silvestro Lodovico Paparelli † | Bishop of Cagli, Italy |
| 11 Oct | 52.0 | Died | Giovanni Luis, S.J. † | Archbishop of Cranganore (Angamala), India |
| 14 Oct | 57.6 | Died | José Gómez † | Bishop of Zamora, Spain |
| 20 Oct | 58.3 | Ordained Bishop | Buenaventura Blanco y Elguero (Helguero) † | Bishop of Antequera, Oaxaca, México |
| 23.2 | Ordained Priest | José Joaquim Justiniano Mascarenhas Castello Branco † | Priest | Bishop of São Sebastião do Rio de Janeiro, Brazil |
| 53.8 | Ordained Bishop | Manuel de Matos, O.F.M. † | Bishop of Nueva Caceres, Philippines |
| 21 Oct | | Born | István Fischer de Nagy † | Bacskó | Archbishop of Eger, Hungary |
| 22 Oct | | Born | Jean-François-Marie Le Pappe de Trévern † | Morlaix | Bishop of Strasbourg, France |
| 27 Oct | 71.8 | Died | Giuseppe Suares de la Concha † | Bishop of San Miniato, Italy |
| 3 Nov | 56.6 | Selected | István Pucz † | Bishop of Beograd (-Smederevo), Serbia |
| 4 Nov | 58.3 | Installed | Buenaventura Blanco y Elguero (Helguero) † | Bishop of Antequera, Oaxaca, México |
| 12 Nov | 58.7 | Died | Joseph Benedikt von Rost † | Bishop of Chur, Switzerland |
| 17 Nov | 45.8 | Ordained Priest | Giovanni Ottavio Bufalini † | Priest | Cardinal, Bishop of Ancona e Numana, Italy |
| 19 Nov | | Born | Gregor Tarkovic (Tárkovits) † | Paszika, Ukraine | Bishop of Prešov (Prjašev) (Slovakian), Slovakia |
| 25 Nov | 64.0 | Died | Karl Philipp von Greifenclau zu Vollraths † | Bishop of Würzburg, Germany |
| 26 Nov | | Born | Narciso Coll y Prat † | Cornellá de Torri, Spain | Bishop of Palencia, Spain |
| 30 Nov | 54.5 | Ordained Bishop | Isidoro Cossío Bustamente † | Bishop of Valladolid, Spain | Bishop Emeritus |
| 68.6 | Died | Gerolamo Fonda † | Bishop of Trogir (Traù), Croatia |
| Dec | 23.5 | Ordained Priest | Giuseppe Guzzetta † | Priest | Titular Bishop of Lampsacus |
| 2 Dec | | Born | Giuseppe Mancusi † | Gifone | Bishop of Acerno, Italy |
| 4 Dec | 46.8 | Died | Józef Julian Sapieha † | Coadjutor Bishop of Vilnius, Lithuania |
| 8 Dec | 69.6 | Ordained Deacon | Cosimo Imperiali † | Deacon | Cardinal, Cardinal-Priest of Santa Cecilia |
| 16 Dec | 50.0 | Appointed | Lodovico Agostino Bertozzi † | Bishop of Cagli, Italy |
| 45.9 | Appointed | Giovanni Ottavio Bufalini † | Titular Archbishop of Chalcedon | Cardinal, Bishop of Ancona e Numana, Italy |
| 51.1 | Confirmed | Jacques-Marie de Caritat de Condorcet † | Bishop of Auxerre, France | Bishop of Lisieux, France |
| 55.1 | Appointed | Caietanus de Carli † | Bishop of Rieti, Italy |
| 60.7 | Appointed | Ciro de Alteriis † | Bishop of Monopoli, Italy | Bishop of Acerra, Italy |
| 61.9 | Installed | Carlo Francesco Durini † | Cardinal-Priest of Santi Quattro Coronati | Cardinal, Bishop of Pavia, Italy |
| 44.5 | Appointed | Benedetto Latilla, C.R.L. † | Bishop of Avellino e Frigento, Italy | Bishop Emeritus |
| 51.8 | Appointed | Dionigi Latomo † | Bishop of Alessano, Italy |
| 49.4 | Appointed | Marco Aurelio Petruccelli † | Bishop of Nardò, Italy |
| 52.0 | Confirmed | Charles-Marie de Quélen † | Titular Bishop of Bethleem |
| 55.6 | Appointed | Asensio Sales † | Bishop of Barcelona, Spain |
| 39.7 | Appointed | Angelo Maria Venizza † | Bishop of Città della Pieve, Italy |
| 18 Dec | 27.4 | Resigned | Luis Antonio Jaime de Borbón y Farnesio † | Administrator of Toledo, Spain | |
| 27.4 | Resigned | Luis Antonio Jaime de Borbón y Farnesio † | Cardinal-Deacon of Santa Maria della Scala | |
| 27.4 | Resigned | Luis Antonio Jaime de Borbón y Farnesio † | Administrator of Sevilla {Seville}, Spain | |
| 58.9 | Elevated to Cardinal | Luis Antonio Fernández de Córdoba Portocarrero Guzmán y Aguilar † | Cardinal, Archbishop of Toledo, Spain |
| 21 Dec | 45.9 | Ordained Bishop | Giovanni Ottavio Bufalini † | Titular Archbishop of Chalcedon | Cardinal, Bishop of Ancona e Numana, Italy |
| 55.1 | Ordained Bishop | Caietanus de Carli † | Bishop of Rieti, Italy |
| 22.5 | Ordained Priest | Roberto Costaguti † | Priest | Bishop of Sansepolcro (Borgo San Sepolcro), Italy |
| 22.4 | Ordained Deacon | Nikolaus Kondé de Póka-Telek † | Deacon | Bishop of Oradea Mare {Gran Varadino, Nagyvárad}, Romania |
| 51.8 | Ordained Bishop | Dionigi Latomo † | Bishop of Alessano, Italy |
| 23.6 | Ordained Priest | Joannes Antonius Miocevich † | Priest | Bishop of Trogir (Traù), Croatia |
| 22.9 | Ordained Priest | Francesco Paolo Perremuto, O.S.B. † | Priest of Order of Saint Benedict | Archbishop of Messina, Italy |
| 24.4 | Ordained Priest | Pietro Stefano Speranza † | Priest | Bishop of Alatri, Italy |
| 22 Dec | 60.7 | Ordained Bishop | Ciro de Alteriis † | Bishop of Monopoli, Italy | Bishop of Acerra, Italy |
| 44.5 | Ordained Bishop | Benedetto Latilla, C.R.L. † | Bishop of Avellino e Frigento, Italy | Bishop Emeritus |
| Born | João de Magalhães e Avelar † | Lamego | Bishop of Porto, Portugal |
| 49.4 | Ordained Bishop | Marco Aurelio Petruccelli † | Bishop of Nardò, Italy |
| 39.7 | Ordained Bishop | Angelo Maria Venizza † | Bishop of Città della Pieve, Italy |
| 27 Dec | 31.6 | Ordained Priest | Franz de Paula Xaver Ludwig Jakob von Breuner † | Priest of Salzburg, Austria | Bishop of Chiemsee, Germany |
| 29 Dec | 50.1 | Ordained Bishop | Lodovico Agostino Bertozzi † | Bishop of Cagli, Italy |