| Date | Age | Bishop | Title |
|---|
| unknown | 79.3 | Niccola Berlingeri † | Bishop of Nicastro, Italy |
| unknown | 74.0 | Pio Bighi † | Titular Archbishop of Philippi |
| unknown | | Luigi Maria Parisio † | Archbishop of Gaeta, Italy |
| unknown | | Visconte Maria Proto, O.S.B. † | Bishop of Cefalù, Italy |
| 4 Jan | 84.7 | Claude-Hippolyte Clausel de Montals † | Bishop Emeritus of Chartres, France |
| 27 Jan | 68.0 | Benedetto Terenzio † | Bishop of Trivento, Italy |
| 10 Feb | 65.9 | Giuseppe Sanguettola † | Bishop of Crema, Italy |
| 11 Feb | 54.1 | Aidan Devereaux † | Vicar Apostolic of Cape of Good Hope, Eastern District {Capo de Buona Speranza, Distretto Orientale}, South Africa |
| 17 Feb | 72.4 | Gregorio Sánchez Rubio, O.S.H. † | Bishop of Avila, Spain |
| 27 Feb | | Jerónimo José da Costa Rebelo † | Bishop of Porto, Portugal |
| 31 Mar | 55.4 | Joaquín Fernández Cortina † | Bishop of Sigüenza, Spain |
| 23 Apr | 74.0 | Josef Anton Salzmann † | Bishop of Basel, Switzerland |
| 27 Apr | 68.4 | Stanislaw Dekowski † | Auxiliary Bishop of Chelmno (Culma), Poland |
| 2 May | 72.4 | Franz Xavier Luschin † | Archbishop of Gorizia e Gradisca, Italy |
| 12 May | 78.0 | Luigi Emmanuele Nicolo Lambruschini, B. † | Cardinal, Prefect of the Congregation of Rites |
| 17 May | 39.0 | Charles Henry Davis, O.S.B. † | Bishop of Maitland, Australia |
| 15 Jun | 67.4 | Raffaele Fornari † | Cardinal, Prefect of the Congregation for Studies |
| 14 Jul | 66.3 | Mariano Venturi † | Bishop of Veroli, Italy |
| 21 Jul | 49.5 | José Escolano Fenoy † | Bishop of Jaén, Spain |
| 4 Aug | 51.0 | Vincenzo Maria Marolda, C.SS.R. † | Bishop Emeritus of Trapani, Italy |
| 7 Aug | 68.9 | Antonio Di Macco † | Archbishop of Acerenza-Matera, Italy |
| 12 Aug | 89.6 | Francisco Ferreira de Azevedo † | Bishop of Goiás, Brazil |
| 19 Aug | 66.3 | Francesco Iavarone † | Bishop of Sant’Agata de’ Goti, Italy |
| 9 Sep | 72.5 | Angelo Mai † | Cardinal, Librarian of the Vatican Library |
| 12 Sep | 53.2 | Edward Barron † | Vicar Apostolic Emeritus of Two Guineas and Senegambia {Guinea Superiore e Inferiore e di Sierra Leone}, Gabon |
| 15 Sep | 88.4 | Pietro Giovanni Zanardi † | Bishop of Guastalla, Italy |
| 20 Sep | 49.7 | Francis Xavier Gartland † | Bishop of Savannah, Georgia, USA |
| 5 Oct | 66.3 | Nicolás Luis Lezo Garro † | Titular Archbishop of Seleucia in Isauria |
| 21 Oct | 56.5 | Nicolas-Théodore Olivier † | Bishop of Evreux, France |
| 3 Nov | | Youssef Al-Khazen † | Patriarch of Antiochia {Antioch} (Maronite), Lebanon |
| 14 Nov | 89.5 | Antonio Fernando Echanove Zaldívar † | Archbishop of Tarragona, Spain |
| 15 Nov | 75.6 | Francisco de La Puente, O.P. † | Bishop of Segovia, Spain |
| 27 Nov | 63.2 | Thomas Burgess † | Bishop of Clifton, England, Great Britain |
| 17 Dec | 70.0 | José María Luciano Becerra y Jiménez † | Bishop of Tlaxcala, Tlaxcala, México |
| 24 Dec | 58.9 | Damián Gordo Sáez † | Bishop of Tortosa, Spain |
| 29 Dec | 72.0 | Jean-Baptiste Bouvier † | Bishop of Le Mans, France |
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