| Date | Age | Bishop | Title |
|---|
| unknown | 49.2 | Antonio Celli, O.P. † | Bishop of Isola, Italy |
| unknown | | Felix Crocca, O.F.M. Conv. † | Bishop of Acqui, Italy |
| unknown | 73.0 | Alfonso de Franco y Luna † | Bishop of La Paz, Bolivia |
| unknown | | Ascenzio Guerrieri † | Bishop of Castellaneta, Italy |
| unknown | 67.0 | Bartol Kačić, O.F.M. † | Bishop of Makarska, Croatia |
| unknown | 75.0 | Domenico Marengo, O.F.M. † | Bishop of Syros (e Milos), Greece |
| unknown | | Thomas Marnavich, O.F.M. † | Bishop of Bosnia (Bosna, Diacovar, Diakovar), Croatia |
| unknown | 64.0 | Angelo Mascardi † | Bishop of Noli, Italy |
| unknown | 52.0 | Miguel de Torres, O.P. † | Bishop of Potenza, Italy |
| unknown | 60.0 | Onorato Visconti † | Titular Archbishop of Larissa in Thessalia |
| Jan | 49.0 | Lorenzo della Robbia † | Bishop of Fiesole, Italy |
| 2 Jan | | Bruno Ruade † | Bishop Emeritus of (Saint-Lizier de) Couserans (or Conserans), France |
| 11 Jan | | Adam Groß (Gross) † | Auxiliary Bishop-Elect of Würzburg, Germany |
| 21 Jan | | Alessandro Filonardi † | Bishop of Aquino, Italy |
| 2 Feb | 70.6 | Juan Valenzuela Velázquez † | Bishop of Salamanca, Spain |
| 5 Feb | 52.4 | Johannes Bartholomäus Kobolt von Tambach † | Auxiliary Bishop of Passau, Germany |
| 13 Feb | 55.1 | Vincenzo Giustiniani † | Bishop of Brescia, Italy |
| 14 Feb | 86.1 | François de La Rochefoucauld † | Cardinal, Bishop Emeritus of Senlis, France |
| 19 Feb | 73.1 | Pier Paolo Crescenzi † | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| Mar | 45.1 | Paul Fieschi † | Bishop of Toul, France |
| 1 Mar | | Stanisław Grochowski † | Archbishop of Lviv, Ukraine |
| 4 Mar | | Alessandro Gallo † | Bishop of Massa Lubrense, Italy |
| 9 May | 53.3 | Alexander Sokołowski † | Bishop of Kyiv and Chernihiv (Kijów and Czernihow), Ukraine |
| 22 May | | Henri Listolfi Maroni † | Bishop of Bazas, France |
| 15 Jun | | Jacques Lebret † | Bishop of Toul, France |
| 18 Jun | 52.3 | Henri d’Escoubleau de Sourdis † | Archbishop of Bordeaux, France |
| 3 Jul | 74.5 | Tomasz Oborski † | Auxiliary Bishop of Kraków, Poland |
| 4 Jul | 65.5 | Luis de Cañizares, O.M. † | Bishop of Comayagua, Honduras |
| 10 Jul | 53.5 | Andrés Aguado de Valdés, O.S.A. † | Bishop of Ariano, Italy |
| 23 Jul | 63.5 | Alessandro Pauli † | Bishop of Vico Equense, Italy |
| 19 Aug | 76.6 | Noël des Landes, O.P. † | Bishop of Tréguier, France |
| 26 Aug | | Biagio Mandevi † | Bishop of Nona (Nin), Croatia |
| 8 Sep | 68.6 | Bernardin Corneillan † | Bishop of Rodez, France |
| 12 Sep | 46.8 | Jacobus Wemmers, O. Carm. † | Vicar Apostolic of Ethiopia |
| 26 Sep | 76.7 | Jacob Maximilien Villain † | Bishop of Tournai {Doornik}, Belgium |
| Oct | 50.7 | Gregorio Coppino, O.S.B. † | Bishop of Sant’Angelo dei Lombardi e Bisaccia, Italy |
| 2 Oct | 78.8 | Francesco Cennini de’ Salamandri † | Cardinal, Cardinal-Bishop of Porto e Santa Rufina |
| 16 Oct | 100.7 | Pedro de Arce, O.S.A. † | Bishop of Cebu, Philippines |
| 26 Oct | 60.8 | Malachy O’Queely † | Archbishop of Tuam, Ireland |
| Nov | 45.8 | Louis Dillon, O.F.M. Obs. † | Bishop of Achonry, Ireland |
| 3 Nov | 67.8 | Giusto (Juste) Guérin, B. † | Bishop of Genève {Geneva}, Switzerland |
| 19 Nov | 47.6 | Consalvo Caputo † | Bishop of Catanzaro, Italy |
| Dec | 50.9 | Carolus Scaglia, Can. Reg. S.Geor † | Bishop of Trivento, Italy |
| 9 Dec | 48.8 | Pietro Antonio Spinelli † | Archbishop of Rossano, Italy |
| 23 Dec | 72.9 | Cesare Ventimiglia † | Bishop of Terracina, Priverno e Sezze, Italy |
| 28 Dec | 65.5 | Gaspar de Borja y Velasco † | Cardinal, Archbishop of Toledo, Spain |
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