| Date | Age | Event | Bishop | Title | Current Title | 
| 1 May | 54.8 | Selected | [André Constant], O.P. † | Bishop of [Lot-et-Garonne (Constitutional), France] | Bishop Emeritus | 
| 40.9 | Ordained Bishop | [Claude Debertier] † | Bishop of [Aveyron (Constitutional), France] | Bishop Emeritus | 
| 47.3 | Ordained Bishop | [Nicolas Diot] † | Bishop of [Marne (Constitutional), France] | 
| 46.6 | Ordained Bishop | [Claude François Fauchet] † | Bishop of [Calvados (Constitutional), France] | 
| 49.6 | Ordained Bishop | [Jean-Marie Jacob] † | Bishop of [Côtes-du-Nord (Constitutional), France] | 
| 2 May | 53.4 | Died | Aloisio Buonamici † | Bishop of Volterra, Italy | 
| 3 May | 60.3 | Selected | [François-Ambroise Rodrigue] † | Bishop of [Vendée (Constitutional), France] | Bishop Emeritus | 
| 5 May |  | Ordained Bishop | Mathieu Simon † | Bishop of Amadiyah (Chaldean), Iraq | 
| 8 May | 67.4 | Ordained Bishop | [Charles Le Masle] † | Bishop of [Morbihan (Constitutional), France] | Bishop Emeritus | 
| 65.1 | Ordained Bishop | [Étienne Nogaret] † | Bishop of [Lozère (Constitutional), France] | Bishop Emeritus | 
| 9 May | 67.3 | Selected | [Ignace François Guasco] † | Bishop of [Corse (Constitutional), France] | 
| 34.1 | Selected | [Marc-Antoine Huguet] † | Bishop of [Creuse (Constitutional), France] | Bishop Emeritus | 
| 52.2 | Selected | [Jean-Joseph Mestadier] † | Bishop of [Deux-Sèvres (Constitutional), France] | Bishop Emeritus | 
| 11 May | 59.3 | Selected | [Luc-François Lalande], C.O. † | Bishop of [Meurthe (Constitutional), France] | Bishop Emeritus | 
| 15 May | 78.6 | Ordained Bishop | [Guillaume Besaucèle] † | Bishop of [Aude (Constitutional), France] | 
| 67.5 | Ordained Bishop | [Bernard Font] † | Bishop of [Ariège (Constitutional), France] | 
| 55.7 | Ordained Bishop | Kajetan Maria (Ignaz Judas Thaddäus) Reisach, C.R. † | Titular Bishop of Dibon (Dibona) | 
| 17 May |  | Born | Richard Pius Miles, O.P. † |  | Bishop of Nashville, Tennessee, USA | 
| 22 May | 55.6 | Ordained Bishop | [Jean-Joseph Rigouard] † | Bishop of [Var (Constitutional), France] | 
| 42.4 | Ordained Bishop | [Noël-Gabriel-Luce de Villar] † | Bishop of [Mayenne (Constitutional), France] | Bishop Emeritus | 
| 26 May | 72.6 | Died | Joseph Philipp Franz von Spaur † | Bishop of Brixen {Bressanone}, Italy | 
| 28 May | 65.0 | Died | Antonín Bernard Gürtler † | Titular Bishop of Tium | 
| 29 May | 34.1 | Ordained Bishop | [Marc-Antoine Huguet] † | Bishop of [Creuse (Constitutional), France] | Bishop Emeritus | 
| 59.3 | Ordained Bishop | [Luc-François Lalande], C.O. † | Bishop of [Meurthe (Constitutional), France] | Bishop Emeritus | 
| 60.4 | Ordained Bishop | [François-Ambroise Rodrigue] † | Bishop of [Vendée (Constitutional), France] | Bishop Emeritus | 
| 1 Jun |  | Born | Alexis-Basile-Alexandre Menjaud † |  | Archbishop of Bourges, France | 
| 87.2 | Died | José Javier Rodríguez Arellano † | Archbishop of Burgos, Spain | 
| 2 Jun |  | Born | Thomas Griffiths † |  | Vicar Apostolic of London District, England, Great Britain | 
| 54.3 | Appointed | [Nicolas Jacquemin] † | Prefect of French Guiana-Cayenne, Antilles | Bishop Emeritus of [Cayenne (Constitutional), Antilles] | 
| 54.3 | Resigned | [Nicolas Jacquemin] † | Prefect of French Guiana-Cayenne, Antilles | Bishop Emeritus of [Cayenne (Constitutional), Antilles] | 
| 64.3 | Ordained Bishop | [Jean-Baptiste Romée de Villeneuve] † | Bishop of [Basses-Alpes (Constitutional), France] | 
| 4 Jun | 38.0 | Succeeded | William Coppinger † | Bishop of Cloyne and Ross, Ireland | 
| 85.4 | Died | Mathew McKenna † | Bishop of Cloyne and Ross, Ireland | 
| 5 Jun | 54.9 | Ordained Bishop | [André Constant], O.P. † | Bishop of [Lot-et-Garonne (Constitutional), France] | Bishop Emeritus | 
| 43.6 | Ordained Bishop | Marco (Matteo) Crescesi † | Bishop of Shkodrë (Scutari), Albania | 
| 23.7 | Ordained Priest | Candido Maria Frattini † | Priest of Roma {Rome}, Italy | Vicegerent | 
| 52.3 | Ordained Bishop | [Jean-Joseph Mestadier] † | Bishop of [Deux-Sèvres (Constitutional), France] | Bishop Emeritus | 
| 10 Jun | 51.3 | Resigned | Scipione de’ Ricci † | Bishop of Pistoia e Prato, Italy | Bishop Emeritus | 
| 11 Jun | 22.0 | Ordained Deacon | László Esterházy † | Deacon | Bishop of Rožňava, Slovakia | 
| 23.0 | Ordained Priest | Antal Juranitz † | Priest | Bishop of Győr (Raab), Hungary | 
| 17 Jun |  | Born | Luigi Ricci † |  | Bishop of Segni, Italy | 
| 22.9 | Ordained Deacon | Peter de Ürményi † | Deacon | Auxiliary Bishop of Esztergom, Hungary | 
| 18 Jun | 23.0 | Ordained Priest | François-Antoine Arbaud † | Priest | Bishop of Gap, France | 
| 22.8 | Ordained Priest | Carlo Filesio Cittadini † | Priest | Bishop of Perugia, Italy | 
| 24.3 | Ordained Priest | Jean-Joseph Delplancq † | Priest of Tournai {Doornik}, Belgium | Bishop | 
| 24.0 | Ordained Priest | Michele Lanzetta † | Priest | Bishop of Lacedonia, Italy | 
| 26.4 | Ordained Priest | John Power † | Priest | Bishop of Waterford and Lismore, Ireland | 
| 23.2 | Ordained Deacon | Antônio Rodrigues de Aguiar † | Deacon | Prelate of Goiás, Brazil | 
| 24.2 | Ordained Priest | Tommaso Ronna † | Priest | Bishop of Crema, Italy | 
| 24.4 | Ordained Priest | Antoine Casimir Libère de Stockem † | Priest of Liège, Belgium | Auxiliary Bishop | 
| 24.0 | Ordained Priest | Gaetano Maria Giuseppe Benedetto Placido Vincenzo Trigona e Parisi † | Priest of Catania, Italy | Cardinal, Archbishop of Palermo, Italy | 
| 19 Jun | 36.9 | Ordained Bishop | Józef Arnulf Giedroyć † | Titular Bishop of Orthosias in Caria | Bishop of Žemaičiai (Samogizia o Tels; Żmudź), Lithuania | 
| 67.4 | Ordained Bishop | [Ignace François Guasco] † | Bishop of [Corse (Constitutional), France] | 
| 23.0 | Ordained Priest | Peter de Ürményi † | Priest | Auxiliary Bishop of Esztergom, Hungary | 
| 21 Jun | 60.9 | Died | Giuseppe Pasquale Rogani † | Bishop of Trevico, Italy | 
| 23 Jun | 71.1 | Died | Wojciech Józef Gadomski † | Auxiliary Bishop of Płock, Poland | 
| 25 Jun | 62.7 | Died | Antonio Feliú y Centena † | Bishop of Santiago de Cuba | 
| 29 Jun |  | Born | Ugo Pietro Spinola † |  | Cardinal, Pro-Datary of the Apostolic Datary | 
| 3 Jul |  | Born | Pedro Antonio Torres † |  | Bishop of Popayán, Colombia | 
| 4 Jul |  | Born | José Antonio Laureano de Zubiría y Escalante † |  | Bishop of Durango, México | 
| 10 Jul | 58.2 | Ordained Bishop | Godefroid Philippe Joseph de La Porte, O.F.M. Cap. † | Titular Bishop of Amyzon | Archbishop of Naxos, Greece | 
| 11 Jul | 62.4 | Died | Giovanni de Gregorio † | Cardinal, Cardinal-Priest of Santissima Trinità al Monte Pincio | 
| 62.4 | Died | Louis-Marie de Nicolay † | Bishop of Cahors, France | 
| 15 Jul | 42.9 | Selected | Luiz de Brito Homem † | Bishop of Angola e Congo | Bishop of São Luís do Maranhão, Brazil | 
| 52.1 | Selected | Miguel Antonio da Cruz, O.F.M. Disc. † | Bishop of São Paulo, Brazil | Archbishop of Braga, Portugal | 
| 52.8 | Selected | Francisco Monteiro Pereira de Azevedo † | Bishop of Viseu, Portugal | 
| 16 Jul |  | Born | Jean-Pierre Sola † |  | Bishop Emeritus of Nice, France | 
| 21 Jul |  | Born | Carlo Vizzardelli † |  | Cardinal, Prefect of the Congregation for Studies | 
| 24 Jul | 61.2 | Ordained Bishop | Francisco Isidoro Gutiérrez Vigil † | Bishop of Astorga, Spain | 
| 29 Jul | 49.5 | Died | James Butler (2nd) † | Archbishop of Cashel (-Emly), Ireland | 
| Aug | 81.5 | Died | Thomas Zarone † | Bishop of Carinola (Calina), Italy | 
| 7 Aug |  | Born | Carlos Cristóvão Genuês Pereira † |  | Bishop of Faro {Algarve}, Portugal | 
| 53.8 | Ordained Bishop | Antonio Tavira Almazán † | Bishop of Islas Canarias {Canary Islands}, Spain | Bishop of Salamanca, Spain | 
| 10 Aug | 59.7 | Selected | Carlo Luigi Buronzo del Signore † | Bishop of Novara, Italy | Archbishop Emeritus of Torino {Turin}, Italy | 
| 11 Aug |  | Born | Pierre Giraud † |  | Cardinal, Archbishop of Cambrai, France | 
| 13 Aug |  | Born | Cornelius Denvir † |  | Bishop Emeritus of Down and Connor, Ireland | 
| 16 Aug | 42.7 | Selected | Karl Franz von Lodron † | Bishop of Brixen {Bressanone}, Italy | 
| 17 Aug | 64.9 | Selected | Francisco de Ibarra y Herrera † | Bishop of Guayana, Venezuela | Archbishop of Caracas, Santiago de Venezuela | 
| 55.8 | Selected | Cándido Manuel de Torrijos Riguerra, O.P. † | Bishop of Mérida, Venezuela | 
| 19 Aug | 68.6 | Died | Nicola Lindi † | Bishop of Sapë, Albania |