| Date | Age | Bishop | Title |
|---|
| unknown | | Ignace-Dominique Grisella de Rosignan † | Bishop of Saint-Jean-de-Maurienne, France |
| unknown | | Paolo Antonio Nerini, B. † | Vicar Apostolic of Ava e Pegù, Myanmar |
| 1 Jan | 45.0 | Louis-Marie Deveaux, M.E.P. † | Coadjutor Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 6 Jan | | Martinus van Litsenborgh † | Vicar Apostolic of ’s Hertogenbosch (Bois-le-Duc), Netherlands |
| 7 Jan | 87.4 | Carolus Antonius Donadoni, O.F.M. Conv. † | Bishop of Šibenik (Knin), Croatia |
| 18 Jan | 73.6 | Franz Georg von Schönborn † | Archbishop of Trier, Germany |
| 3 Feb | 67.5 | Lorenzo Taranco Mujaurrieta † | Bishop of Gerona, Spain |
| 12 Feb | 73.1 | Siméon VII Awad † | Patriarch of Antiochia {Antioch} (Maronite), Lebanon |
| 15 Feb | 63.8 | Paschalis Zaini † | Bishop of Guardialfiera (Guardia), Italy |
| 22 Feb | 66.1 | Mario Bolognetti † | Cardinal, Cardinal-Deacon of Santa Maria ad Martyres |
| 13 Mar | 63.4 | Marcello Filomarini † | Bishop of Mileto, Italy |
| 16 Mar | 62.7 | Juan Antonio Pérez Arellano † | Auxiliary Bishop of Toledo, Spain |
| 21 Mar | 66.9 | Hijacint Marija Milković, O.P. † | Archbishop of Dubrovnik (Ragusa), Croatia |
| 29 Mar | 78.2 | John Talbot Stonor † | Vicar Apostolic of Midland District, England, Great Britain |
| Apr | 56.6 | Francesco Agnello Fragianni † | Bishop of Calvi Risorta, Italy |
| 1 Apr | 64.3 | Gregorio de Molleda y Clerque † | Archbishop of La Plata o Charcas, Bolivia |
| 19 Apr | 73.3 | Samuel Ozga † | Bishop of Kyiv and Chernihiv (Kijów and Czernihow), Ukraine |
| 25 Apr | 54.6 | Enrique Enríquez † | Cardinal, Official of the Secretariat of State |
| 28 Apr | 70.5 | Johann Ferdinand Joseph von Boedigkeim † | Auxiliary Bishop of Freising, Germany |
| 4 May | 76.8 | Domingo (Damiano) Polou † | Archbishop of Reggio Calabria, Italy |
| 5 May | 71.3 | Ignazio Stelluti † | Bishop of Macerata e Tolentino, Italy |
| 12 May | 90.2 | Johann Franz Riccius † | Auxiliary Bishop of Strasbourg, France |
| 13 May | 61.0 | Pacificus Bizza † | Archbishop of Split (Spalato), Croatia |
| 14 May | 75.4 | Louis-Jacques-François de Vocance † | Bishop of Senez, France |
| 30 May | | Stephen MacEgan, O.P. † | Bishop of Meath, Ireland |
| 3 Jun | 53.1 | José de Bragança † | Archbishop of Braga, Portugal |
| 6 Jun | 54.0 | Mihály Karl (Michele Carlo) von Althan † | Bishop of Vác, Hungary |
| 21 Jun | | José Antonio Flores de Rivera † | Bishop of Nicaragua |
| 22 Jun | | John Brett, O.P. † | Bishop of Elphin, Ireland |
| 28 Jun | 38.6 | François-Armand-Auguste de Rohan-Soubise-Ventadour † | Cardinal, Bishop of Strasbourg, France |
| Jul | 57.6 | Liborio Pisani † | Bishop of Massa Lubrense, Italy |
| 14 Jul | 57.6 | Domenico Anelli † | Bishop of Andria, Italy |
| 22 Jul | 69.7 | Francesco Antonio Spadea † | Bishop Emeritus of Aquino e Pontecorvo, Italy |
| 25 Jul | 79.5 | Mario Millini (Mellini) † | Cardinal, Cardinal-Priest of San Marcello |
| 18 Aug | 58.8 | Johannes Christoph Ludwig von Kuenburg † | Auxiliary Bishop of Passau, Germany |
| 28 Aug | 66.5 | Silvio Valenti Gonzaga † | Cardinal, Secretary of the Secretariat of State |
| 10 Sep | 52.2 | Ignazio Rovèro † | Bishop of Novara, Italy |
| 23 Sep | 82.5 | Joseph de Guyon de Crochans † | Archbishop of Avignon, France |
| 2 Oct | 73.7 | Sebastián José Victoria Emparán y Loyola, O.S.H. † | Bishop of Urgell, Spain |
| 20 Oct | 60.8 | Bernardo de Arbizu y Ugarte † | Archbishop of La Plata o Charcas, Bolivia |
| 20 Oct | 61.8 | João da Cruz Salgado de Castilho, O.C.D. † | Bishop of Miranda (do Douro), Portugal |
| 19 Nov | 77.9 | Martín de Elizacoechea † | Bishop of Michoacán, México |
| Dec | 70.8 | Franz Bernardin Verbeck, O.F.M. Conv. † | Auxiliary Bishop of Münster, Germany |
| 4 Dec | 71.8 | Amand Buseck, O.S.B. † | Bishop of Fulda, Germany |
| 11 Dec | 72.8 | Gregorio Galindo † | Bishop of Lérida, Spain |
| 20 Dec | 57.8 | Eugenio Piloti, O.F.M. † | Vicar Apostolic of Shansi {Scian-Si} (Chan-Si), China |
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