W. B. Yeats (1865-1939) is probably the most famous Anglo Irish poet and dramatist in the first half of the twentieth century. His works are considered the basis of Irish literary movement since he is well-known for his poetry, drama and criticism. W. B. Yeats belongs to an Anglo-Irish stock, he lived some of his early childhood in London as well as in Ireland. John Butler Yeats, the poet's father was a professional painter who evaluated art and artists, this atmosphere was considered a fertile soil for the birth of W. B. Yeats' early interest in Irish folktales which he later published as Mythologies (1979), this book sheds light on Yeats as a collector of Irish folktales and legends. This effort was of great importance on Yeats' later works.