This thesis aims to approach the representation of the death in the Britannic folklore throughout the work of three important Britannic folklorists: Marie-François Luzel (1824- 1895), his disciple Anatole Le Braz (1859-1926) and abbé François Cadic (1864-1929). The work describes how the vison oh the death developed historically in the Celtic mythology and in Christianism. To give a more complex idea of Britannic folklore the thesis treats its typical aspects, describes the genesis and the transformation of its emblematic character, Ankou, and briefly presents the world of deceased souls, commonly called Anaon. It aims furthermore to introduce the life and the motivation of the three authors and to portray the socio-cultural context in contemporary Brittany. The second part is firstly based on the analysis of some chosen mythological tales and the courteous novel Lancelot ou le Chevalier de la charrette by Chrétien de Troyes, examining its characters by means of the archetypal triangle proposed by Daniela Hodrová and the initiatory journey of the main characters. Secondly, the work explains what the "veillée" represents in the oral literature, as well as its connection to the "récit légendaire" (developed by Le Braz) which is later compared to the Luzel tale. This part treats also the style of...