Episode 45: Bloody Mary Black

Where did Bloody Mary come from? Is she a combination of a bunch of different lore or was she a person? 

References:
“Supernatural Lore of Pennsylvania: Ghosts, Monsters, and Miracles” edited by Thomas White, ch. “Mary Black’s Grave: The Anatomy of a Legend Trip” by Gerard O’Neil

“Beaver County Ghosts and Haunting Folklore: Beaver County Hauntings, Was Mary Black Really a Witch?” by kinmark1970, https://spookybeavercounty.wordpress.com/2019/09/21/was-mary-black-really-a-witch-ellwood-city/

“The Bloody Mary Legend: New Castle, Pennsylvania ^ Wampum, Pennsylvania” by BeyonderBill, http://www.intothebeyond.net/bloodymary/2009/01/21/new-castle-pennsylvania/

“The Legend of Mary Black” on The Haunted Tea youtube channel, https://www.youtube.com/watch?v=5MNDZmrWrBM