| Date | Age | Bishop | Title |
| unknown | 64.9 | Bartolomeo Fargna † | Titular Bishop of Emmaüs |
| unknown | 42.0 | Alejo Fernando de Rojas y Acevedo † | Bishop of La Paz, Bolivia |
| unknown | 61.7 | João de Sahagún, O.A.D. † | Bishop of São Tomé e Príncipe |
| 22 Jan | 40.8 | Kornylij Lebeckyj, O.S.B.M. † | Bishop of Foreign Diocese |
| 26 Jan | 71.7 | Giovanni Francesco Barbarigo † | Cardinal, Bishop of Padova {Padua}, Italy |
| 29 Jan | | Thomas Flynn † | Bishop of Ardagh (and Clonmacnois), Ireland |
| Feb | 81.4 | Domenico Galisi † | Bishop of Lettere (-Gragnano), Italy |
| 3 Feb | 91.0 | Philips-Erard van der Noot † | Bishop of Gent {Ghent, Gand}, Belgium |
| 9 Feb | 66.4 | Nicolaus Pohmajevich † | Bishop of Senj (-Modruš), Croatia |
| 11 Feb | 64.3 | Joannes Bapt. Laghi, C.R.S. † | Archbishop of Split (Spalato), Croatia |
| 12 Feb | 62.1 | Jacinto Valledor Fresno † | Bishop of Osma, Spain |
| 14 Feb | 58.5 | Marco Antonio Ansidei † | Cardinal, Bishop of Perugia, Italy |
| 19 Feb | 69.4 | Agostino Pipia, O.P. † | Cardinal, Bishop Emeritus of Osimo e Cingoli, Italy |
| 23 Feb | 81.1 | Pietro Francesco (Vincenzo Maria) Orsini de Gravina, O.P. † | Pope (Roma {Rome}, Italy) |
| 28 Feb | 78.2 | Charles Maigrot, M.E.P. † | Vicar Apostolic Emeritus of Fo-Kien, China |
| Mar | 66.8 | Antonio Giustiniani † | Archbishop of Naxos, Greece |
| 12 Mar | 88.2 | Diego Morcillo Rubio de Suñón de Robledo, O.SS.T. † | Archbishop of Lima, Peru |
| 14 Mar | 62.0 | Giuseppe Maria Positano, O.P. † | Archbishop of Salerno, Italy |
| 16 Mar | 66.8 | Giuseppe Falconio † | Bishop of Ortona a Mare e Campli, Italy |
| 21 Mar | 71.1 | Carlo Pignatelli, C.R. † | Bishop of Gaeta, Italy |
| 22 Mar | 76.9 | Benedetto Pamphilj, O.S.Io.Hieros. † | Cardinal, Librarian of the Vatican Library |
| 23 Mar | 71.2 | Giacinto Gaetano Chiurlia (Chyurlia), O.P. † | Bishop of Giovinazzo, Italy |
| 28 Mar | | José Pereto Ricarte, O. de M. † | Bishop of Almería, Spain |
| 5 Apr | 80.3 | Bartolomeo Castelli, C.R. † | Bishop of Mazara del Vallo, Italy |
| 5 Apr | 68.2 | Antonius Dominikus von Wolkenstein-Trostburg † | Bishop of Trento, Italy |
| 11 Apr | | Petrus Bapt. de Garbagnate, O.F.M. † | Titular Archbishop of Cartagine |
| 23 Apr | 66.2 | Bernardo Maria Conti, O.S.B. † | Cardinal, Bishop Emeritus of Terracina, Priverno e Sezze, Italy |
| 2 May | 61.1 | Faustino Giuseppe Griffoni † | Bishop of Crema, Italy |
| 2 May | 57.2 | Tommaso Marino, O.P. † | Bishop of Siracusa, Italy |
| 15 May | 66.5 | Lorenzo Armengual del Pino de la Mota † | Bishop of Cádiz, Spain |
| 23 May | 57.8 | Félix Bernuy Zapata y Mendoza † | Bishop of Islas Canarias {Canary Islands}, Spain |
| 23 Jul | 82.6 | Angelo Maria Porfiri (Porfirius) † | Bishop of Alife, Italy |
| Aug | 60.9 | Bartolomeo Gambadoro † | Bishop of Ruvo (Ruo)(di Puglia), Italy |
| 2 Aug | 59.1 | Michel Poncet de la Rivière † | Bishop of Angers, France |
| 10 Aug | 85.0 | Nikola Bijanković, C.O. † | Bishop of Makarska, Croatia |
| 6 Sep | 88.2 | Innico Caracciolo (Jr.) † | Cardinal, Bishop of Aversa, Italy |
| 8 Sep | 67.7 | Valerio Rota † | Bishop of Belluno, Italy |
| 14 Sep | 64.0 | Jean Grillet, O.P. † | Bishop of Aosta, Italy |
| 20 Oct | 48.4 | Carlo Collicola † | Cardinal, Cardinal-Priest of Santa Maria in Portico (Campitelli) |
| 7 Nov | 67.6 | Giorgio Cattaneo † | Bishop of Vigevano, Italy |
| 9 Nov | 65.4 | Denis-François Bouthillier de Chavigny † | Archbishop of Sens, France |
| 9 Nov | 66.5 | Johann Baptist Gegg † | Auxiliary Bishop of Worms, Germany |
| 19 Nov | 62.9 | Diego Muñoz Baquerizo † | Bishop of Segorbe, Spain |
| Dec | 68.3 | Nicolao Gaetano Aprosiio, C.R. † | Bishop of Nebbio, France |
| 6 Dec | 73.4 | Feliks Ignacy Kretkowski † | Bishop of Chelmno (Culma, Kulm), Poland |
| 13 Dec | 61.1 | Bernardo Jiménez Cascante † | Bishop of Barcelona, Spain |
| 20 Dec | 64.0 | Giacinto Dragonetti, C.O. † | Bishop of Marsi, Italy |
| 27 Dec | 75.2 | Agostino Cusani † | Cardinal, Bishop Emeritus of Pavia, Italy |