Bean Sidhe
(Banshee)
Irish - "Woman of the mounds"
Facts
Usually shows up in one of there forms : a young woman, a matron or an old hag.
Usually wears simple country clothes and has long white/very pale hair
The Bean Sidhe visits a household and by keening (wailing) she warns that a member of thier family is about to die.
She is also known as Bean-nighe or washing women as she is sometimes seen in lonely places washing the clothes of those soon to die.
The Bean-Sidhes keening happens the night before the person is to die.
The Bean Sidhe is often mistaken as taking the form of a crow
They are said to appear around natural forces such as trees, rivers and stones.
Bean Sidhe in Books
My Soul to Take by Rachel Vincent (and the others in the series) - The main characters are Bean Sidhe