| Date | Age | Bishop | Title |
|---|
| unknown | | Stanisław Czuryło † | Auxiliary Bishop of Lutsk (Łuck), Ukraine |
| unknown | 61.3 | Jacques de La Haye, O.S.Sp. † | Titular Archbishop of Nicaea |
| unknown | 51.0 | Francesco Maria Falcucci † | Bishop of Calvi Risorta, Italy |
| unknown | | Francesco Antonio Frasella, O.F.M. Conv. † | Apostolic Administrator of Japan |
| unknown | 55.0 | Petar Kačić, O.F.M. † | Bishop of Makarska, Croatia |
| unknown | 56.0 | Salvatore Mulas Pirella † | Bishop of Alghero, Italy |
| unknown | 61.0 | Gabriel Ortiz de Orbé † | Bishop of Gaeta, Italy |
| unknown | | William O’Shiel † | Vicar Apostolic of Clonmacnoise, Ireland |
| unknown | | Antonio de San Gregorio, O.F.M. † | Bishop-Elect of Nueva Caceres, Philippines |
| unknown | 58.8 | Juan Vélez † | Bishop-Elect of Cebu, Philippines |
| 24 Jan | 65.1 | Johann Flugi d’Apremont † | Bishop of Chur, Switzerland |
| 26 Jan | 56.0 | Diego García de Trasmiera † | Bishop-Elect of Zamora, Spain |
| 30 Jan | 59.6 | Dietrich Adolf von der Reck † | Bishop of Paderborn, Germany |
| 31 Jan | | Laurent de Chery † | Coadjutor Bishop of Nevers, France |
| 7 Feb | 68.0 | Georgius Pauli-Stravius † | Auxiliary Bishop of Köln {Cologne}, Germany |
| 11 Feb | | Adam Kos † | Bishop of Chelmno (Culma, Kulm), Poland |
| 11 Feb | 68.1 | Pierre Nivelle, O. Cist. † | Bishop of Luçon, France |
| 9 Mar | 58.6 | Jules Raymond (Giulio Raimondo) Mazarin (Mazzarino) † | Cardinal, Abbot of Cluny, France |
| 9 Mar | 64.1 | Jan Karol Dowgiałło Zawisza † | Bishop of Vilnius, Lithuania |
| 11 Mar | 64.1 | Gilles Boutault † | Bishop of Évreux, France |
| 24 Mar | 76.2 | John O’Cullenan † | Bishop of Raphoe, Ireland |
| Apr | 61.5 | Agustín Muñoz de Sandoval † | Bishop of Cuzco, Peru |
| 4 Apr | 66.2 | Juan Francisco Arnaldo Isasi † | Bishop of Puerto Rico (Porto Rico) |
| 13 Apr | 68.8 | Bernardo Caballero Paredes † | Bishop of Oviedo, Spain |
| 26 Apr | 43.3 | Louis de Fortia-Montréal † | Bishop of Carpentras, France |
| May | | Rodrigo de Cárdenas, O.P. † | Bishop of Nueva Segovia, Philippines |
| 10 May | 63.8 | Ranuccio (Ranuzio) Scotti Douglas † | Bishop Emeritus of Borgo San Donnino, Italy |
| 15 May | 72.3 | Jacques Raoul de La Guibourgère † | Bishop of La Rochelle, France |
| 24 May | 47.6 | Simeone Difnico † | Bishop of Feltre, Italy |
| Jul | 84.5 | Luca Cellesi † | Bishop of Martirano (Martoranum), Italy |
| 8 Jul | 57.5 | Cristofor Segni † | Titular Archbishop of Thessalonica |
| 9 Jul | 79.9 | Francesco Paolucci † | Cardinal, Prefect of the Congregation of the Council |
| 13 Jul | | Zacharie de Metz † | Coadjutor Vicar Apostolic of Batavia (Holland Mission), Netherlands |
| 16 Jul | 66.5 | Alvise Marcello, C.R.S. † | Bishop of Pula (Pola), Croatia |
| 28 Jul | 55.5 | Antonio Sarmiento de Luna y Enríquez † | Bishop of Sigüenza, Spain |
| Aug | 52.5 | Gaspare Borghi (Burgi) † | Bishop of Penne e Atri, Italy |
| Aug | 56.5 | Silvestro D’Afflitto, C.R. † | Bishop of Lucera, Italy |
| 22 Aug | 47.6 | Francisco Antonio Díaz de Cabrera † | Bishop of Salamanca, Spain |
| 26 Aug | 72.6 | Francis Kirwan † | Bishop of Killala, Ireland |
| 2 Sep | 43.6 | William Ballantine † | Prefect of Scotland, Great Britain |
| 13 Sep | 69.1 | Johann Balthasar Liesch von Hornau † | Auxiliary Bishop of Wrocław (Breslau), Poland |
| 16 Sep | 53.7 | Jacobus de la Torre † | Vicar Apostolic of Batavia (Holland Mission), Netherlands |
| 17 Sep | | Giovanni Battista Barducci † | Bishop of San Miniato, Italy |
| 19 Sep | 64.7 | Dionisio de Cimbrón, O. Cist. † | Bishop of Concepción, Chile |
| 29 Sep | | Giovanni Pietro (Paolo) Pinto, O.F.M. Conv. † | Bishop of Fondi (Fundi), Italy |
| Oct | | Benedetto Rocci, O. Carm. † | Bishop of Nusco, Italy |
| 3 Oct | | Girolamo Codebò † | Bishop of Reggio Emilia, Italy |
| 8 Oct | 65.7 | Juan Vallejo † | Bishop of Astorga, Spain |
| 16 Oct | 67.7 | Amico Panici † | Bishop of Recanati e Loreto, Italy |
| 6 Nov | | Alessandro Piccolomini † | Bishop of Chiusi, Italy |
| 9 Nov | | Giacomo Giordano, O.S.B. † | Bishop of Lacedonia, Italy |
| 10 Nov | 67.5 | Bernardino Spada † | Cardinal, Cardinal-Bishop of Palestrina |
| Dec | 74.9 | Sabin (Savino) Cvjetković (Florian), O.F.M. Obs. † | Bishop of Trebinje e Mrkan, Bosnia and Herzegovina |
| 1 Dec | 68.7 | Franz Wilhelm von Wartenberg † | Cardinal, Bishop of Regensburg, Germany |
| 21 Dec | 73.9 | Dominique de Vic † | Archbishop of Auch, France |
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