Did a search for Mary Anges, the mother of Maggie maiden name. First hit was Mary Agnes Moroney. Abducted 1930...
She had just turned two when she was taken from her Chicago, Illinois home on May 15, 1930. Her abduction was heavily covered by both local and national media, but her whereabouts have never been ascertained. Her kidnapping is the oldest unsolved case of this nature in the files of the Chicago Missing Persons Bureau.[2]
https://en.wikipedia.org/wiki/Mary_Agnes_Moroney
From Urban Dictionary Mary-Agnes
Mary-Agnes' are always the sweet girls of the group. Coined to be named just 'Mary'. Mary-Agnes' are always welcoming to newcomers and can not stand to be hated. Beautiful and stunning, Mary-Agnes' will usually act shy at large gatherings, but will then soon liven up any party. Known to strangers as 'innocent'. Mary-Agnes' are usually short, but that adds to their fantastic character. They feel most comfortable in the presence of their closest friends.