| Date | Age | Bishop | Title |
| unknown | | José Maria da Fonseca de Évora, O.F.M. † | Bishop of Porto, Portugal |
| unknown | | Domenico Marzano † | Bishop of Bova, Italy |
| unknown | | Fortunato Palumbo † | Bishop of Trivento, Italy |
| 3 Jan | 66.0 | Egidio Antonio Isabelli † | Bishop of Alife, Italy |
| 6 Jan | 83.3 | Pompeio Aldrovandi † | Cardinal, Bishop of Montefiascone, Italy |
| 19 Jan | 67.8 | Johann Joseph Anton Blatter † | Bishop of Sion {Sitten}, Switzerland |
| 29 Jan | 50.7 | Manuel Machado y Luna † | Bishop of Caracas, Santiago de Venezuela |
| Mar | 60.2 | Diego García Medrano † | Bishop of Segovia, Spain |
| 24 Apr | 81.4 | Edward Dicconson † | Vicar Apostolic of Northern District, England, Great Britain |
| 22 May | 66.9 | Juan Bravo del Rivero y Correa † | Bishop of Arequipa, Peru |
| 24 May | | François de Lastic † | Bishop of Castres, France |
| 30 May | 60.7 | Miguel Vicente Cebrián Agustín † | Bishop of Córdoba, Spain |
| 20 Jun | 80.5 | José Cubero Ramírez de Arellano, O. de M. † | Bishop of Chiapas (Ciudad Real de Chiapas), Chiapas, México |
| 26 Jun | 88.1 | Giulio Alberoni † | Cardinal, Bishop Emeritus of Málaga, Spain |
| 4 Jul | 88.3 | Manuel Tercero Rozas, O.S.A. † | Auxiliary Bishop of Sevilla {Seville}, Spain |
| 21 Jul | 76.2 | Diego Felipe Gómez de Angulo † | Bishop of Antequera, Oaxaca, México |
| 22 Jul | 62.6 | Gian Alberto De' Grandi † | Bishop of Chioggia, Italy |
| 27 Jul | 53.1 | Juan Manuel Escobar Carrera † | Bishop of Mondoñedo, Spain |
| 19 Aug | 76.9 | José Laso de la Vega y Cansino, O.F.M. † | Bishop of Santiago de Cuba |
| 14 Oct | 65.3 | Juan Mateo López Sáenz, C.R.M. † | Bishop of Cartagena (en España) |
| 13 Nov | 82.1 | Ladislav Szörényi † | Bishop of Sirmio, Croatia |
| 29 Nov | | Pellegrino Ferri † | Bishop of Adria, Italy |
| 12 Dec | 60.9 | Francisco de São Tiago, O.F.M. † | Bishop of São Luís do Maranhão, Brazil |