A White Lady is a type of female ghost

Ghost

In traditional belief and fiction, a ghost is the soul or spirit of a deceased person or animal that can appear, in visible form or other manifestation, to the living. Descriptions of the apparition of ghosts vary widely from an invisible presence to translucent or barely visible wispy shapes, to...

 reportedly seen in rural areas and associated with some local legend of tragedy. White Lady legends are found around the world. Common to many of them is the theme of losing or being betrayed by a husband or fiancé. They are often associated with an individual family line or said to be a harbinger of death similar to a banshee

Banshee

The banshee , from the Irish bean sí is a feminine spirit in Irish mythology, usually seen as an omen of death and a messenger from the Otherworld....

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"White Lady" is a common name in Great Britain

Great Britain

Great Britain or Britain is an island situated to the northwest of Continental Europe. It is the ninth largest island in the world, and the largest European island, as well as the largest of the British Isles...

 for a female ghost

Ghost

In traditional belief and fiction, a ghost is the soul or spirit of a deceased person or animal that can appear, in visible form or other manifestation, to the living. Descriptions of the apparition of ghosts vary widely from an invisible presence to translucent or barely visible wispy shapes, to...

, sometimes that of a nun

Nun

A nun is a woman who has taken vows committing her to live a spiritual life. She may be an ascetic who voluntarily chooses to leave mainstream society and live her life in prayer and contemplation in a monastery or convent...

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