Possible Clues:

• Plague overtakes woman, one likely to wail
• Female spirit of Irish folklore, one with a terrible wail
• Folklore wailer
• Wailing wraith: she's in torment
• Article on short page supporting Bob's first Wailer?
• Her wailing has been terrible
• Female spirit in Irish folklore
• Stop most of followers getting Irish spirit
• Irish female spirit who warns of an impending death
• Wailer of Irish folklore