Foley is a surname which originated in Ireland, in the southeast Munster region. The name is derived from the original modern Irish Ó Foghlú and older Irish Ó Foghladha, meaning "plunderer". The Lord of the Decies (the Waterford area of Munster) was a title attributed to some early Foleys.
List of people surnamed Foley
References
Foley (surname) Wikipedia(Text) CC BY-SA