| Date | Age | Bishop | Title |
|---|
| unknown | | Manuel de Moura Manuel † | Bishop of Miranda, Portugal |
| 14 Jan | 64.0 | Federico Caccia † | Cardinal, Archbishop of Milano {Milan}, Italy |
| 1 Feb | 62.0 | Manuel Fernández de Santa Cruz y Sahagún † | Bishop of Tlaxcala, Tlaxcala, México |
| 18 Feb | 60.0 | Giovanni Giacomo Cavallerini † | Cardinal, Titular Archbishop of Nicaea |
| 9 Mar | 48.2 | Manuel Plácido de Quirós de Porras, O.S.B. † | Bishop of Antequera, Oaxaca, México |
| 6 May | 60.2 | Henri de Barillon † | Bishop of Luçon, France |
| 26 May | | Miguel de Fuentes y Altossano † | Bishop of Lugo, Spain |
| 13 Jun | 72.3 | Juan Tomás de Rocaberti, O.P. † | Archbishop of Valencia, Spain |
| 9 Jul | 78.7 | Jean Antoine Blavier, O.F.M. Conv. † | Auxiliary Bishop Emeritus of Liège, Belgium |
| 18 Jul | 69.5 | Marco Antonio Contestabile † | Bishop of Bova, Italy |
| 19 Jul | 82.2 | Giovanni Delfino (Dolfino) † | Cardinal, Patriarch of Aquileia, Italy |
| 19 Aug | 69.4 | José Sáenz de Aguirre, O.S.B. † | Cardinal, Cardinal-Priest of S. Maria sopra Minerva |
| 20 Aug | 76.6 | Jan (Kazimierz) Małachowski † | Bishop of Kraków, Poland |
| 19 Sep | | Alfonso Aguilar Fernández de Córdoba † | Cardinal, Cardinal-Priest |
| Nov | | Lelio Ardizzone † | Bishop of Casale Monferrato, Italy |
| 31 Dec | 57.2 | Giulio Della Rosa † | Bishop of Borgo San Donnino, Italy |
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