| Date | Age | Bishop | Title |
| unknown | 54.1 | Pietro Saverio Antonini † | Bishop of Veroli, Italy |
| unknown | 76.5 | Antonio Giuseppe Carcassona † | Bishop of Ales e Terralba, Italy |
| unknown | | Bonaventura Fabozzi † | Bishop of Potenza, Italy |
| unknown | | Antonio Malerba † | Bishop of Sant’Angelo dei Lombardi-Bisaccia, Italy |
| unknown | | Filippo Mazzetti † | Bishop of Fossano, Italy |
| unknown | 65.0 | Andrés Núñez Monteagudo † | Auxiliary Bishop of Toledo, Spain |
| unknown | | Gennaro Perrelli † | Bishop of Penne-Atri, Italy |
| unknown | 57.1 | Filippo Niccolò Spinelli † | Bishop of Aversa, Italy |
| unknown | 73.0 | Silvestro Stanà (Staria) † | Bishop Emeritus of Minori, Italy |
| 14 Jan | 73.5 | Onésimo Salamanca Zaldívar † | Archbishop of Burgos, Spain |
| 16 Jan | 84.5 | Giovanni Andrea Tria † | Bishop Emeritus of Larino, Italy |
| 23 Jan | 89.2 | Álvaro Eugenio de Mendoza Caamaño y Sotomayor † | Cardinal, Patriarch of West Indies, Spain |
| 28 Jan | 54.4 | Diego del Corro † | Archbishop of Lima, Peru |
| 5 Feb | 55.7 | José Antonio Basurco y Herrera † | Bishop of Buenos Aires, Argentina |
| 6 Feb | 60.5 | Clemens August Maria Herzog von Bayern † | Archbishop of Köln {Cologne}, Germany |
| 1 Mar | 63.3 | Carlos Antonio Riomol Quiroga † | Bishop of Mondoñedo, Spain |
| 11 Mar | 76.1 | Girolamo de Bardi † | Cardinal, Cardinal-Deacon of S. Maria degli Angeli |
| 25 Mar | 61.2 | Antonio Falangola † | Bishop of Caserta, Italy |
| 7 Apr | 81.0 | José Bolaños Calzado, O.F.M. † | Titular Archbishop of Nisibis |
| 22 May | 48.1 | Edmond Bennetat, M.E.P. † | Coadjutor Vicar Apostolic of Western Tonking {Tonkino Occidentale}, Viêt Nam |
| 6 Jun | | Giovanni Filippo Antonio San Martino † | Bishop of Asti, Italy |
| 13 Jun | 69.1 | Giuseppe Agostino Orsi, O.P. † | Cardinal, Cardinal-Priest of S. Sisto |
| 22 Jun | 91.3 | Raniero d'Elci † | Cardinal, Cardinal-Bishop of Ostia (-Velletri) |
| 5 Jul | 78.6 | Domenico Silvio Passionei † | Cardinal, Librarian of the Vatican Library |
| 20 Jul | | Bartolomeo Mollo † | Bishop of San Severo, Italy |
| 24 Jul | 54.8 | Luigi Gualterio † | Cardinal, Titular Archbishop of Myra |
| 3 Aug | 72.7 | Johann Friedrich Adolf Freiherr von Hörde zu Schönholthausen † | Vicar Apostolic of Nordic Missions, Germany |
| 9 Aug | 78.5 | Fortunato Tamburini, O.S.B. † | Cardinal, Cardinal-Priest of S. Callisto |
| 30 Aug | 81.1 | Joseph Dominikus Franz Kilian von Lamberg † | Cardinal, Bishop of Passau, Germany |
| 1 Oct | 67.8 | Charles-Guy Le Borgne de Kermorvan † | Bishop of Tréguier, France |
| 10 Oct | 52.9 | Francisco Javier Arriaza † | Bishop of Santander, Spain |
| 31 Oct | | Giuseppe Palma † | Archbishop of Lucca, Italy |
| 6 Nov | 55.6 | Alfonso Fernández Pantoja † | Bishop of León, Spain |
| 11 Nov | 71.9 | François de Beaumont d'Autichamp † | Bishop of Tulle, France |