| Date | Age | Bishop | Title |
|---|
| unknown | | Bereczk † | Bishop of Csanád, Hungary |
| unknown | | Robert le Fleming † | Bishop of Connor, Ireland |
| unknown | | Imero Guardalupo, O.E.S.A. † | Bishop of Acci (Accia), France |
| unknown | | Friedrich von Hausen, O.T. † | Bishop of Chelmno (Culma, Kulm), Poland |
| unknown | | Matthew † | Bishop of Ross (Rosemarkie, Fortrose), Scotland, Great Britain |
| unknown | | Guy de Montlaur † | Bishop of Valence, France |
| unknown | | Nikola † | Bishop of Knin (Tinin), Croatia |
| unknown | | Everardo di Sassonia, O.P. † | Bishop of Cesena, Italy |
| unknown | | Heinrich von Streitberg, O.T. † | Bishop of Samland (Sambia), Poland |
| unknown | | Vivien de Boyer, O.F.M. † | Bishop of Rodez, France |
| 8 Feb | | Heinrich von Lützelburg, O.F.M. † | Bishop of Chiemsee, Germany |
| 18 Feb | | Jakob Erlandsen † | Archbishop of Lund, Sweden |
| 20 Feb | | Eberhard von Waldburg † | Bishop of Konstanz {Constance}, Germany |
| May | | Gil Pérez de Cerveira † | Bishop of Tuy, Spain |
| 9 May | | Carbry O’Scopa, O.P. † | Bishop of Raphoe, Ireland |
| 18 May | | Pietro Angelleli, O.P. † | Bishop of Lucca, Italy |
| 29 May | | Wolimir † | Bishop of Włocławek (Kujawy, Kalisze), Poland |
| 3 Jun | | Laurence of Saint Martin † | Bishop of Rochester, England, Great Britain |
| 15 Jul | 57.5 | St. Bonaventura (Giovanni) , O.F.M. † | Cardinal, Cardinal-Bishop of Albano |
| Aug | 54.5 | Enrico Cerasolo † | Archbishop of Taranto, Italy |
| 4 Aug | | Robert de Stichill, O.S.B. † | Bishop of Durham, England, Great Britain |
| 8 Aug | | Eudes de Lorry † | Bishop of Bayeux, France |
| 14 Aug | | Bl. Alberto Pandoni, O.E.S.A. † | Bishop of Ferrara, Italy |
| 16 Aug | | Pierre de Charny † | Archbishop of Sens, France |
| 15 Sep | | Heinrich von Neuenburg-Erguel † | Bishop of Basel, Switzerland |
| 26 Sep | | Gauthier de Vezzano † | Archbishop of Genova, Italy |
| 31 Oct | | Jean d’Essey † | Bishop of Coutances, France |
| Nov | | Tello García † | Bishop of Palencia, Spain |
| 17 Nov | 54.8 | Engelbert von Falkenburg † | Archbishop of Köln {Cologne}, Germany |
| 17 Nov | | Fernando de Mesa † | Bishop of Córdoba, Spain |
| Dec | | Walter O’Mitchian, O.F.M. † | Bishop of Ross, Ireland |
| 4 Dec | | William Button † | Bishop of Bath and Wells, England, Great Britain |
| 6 Dec | | Pierre d’Anisy † | Archbishop of Sens, France |
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