The only thing that comes to mind is "Cathy's Curse".
http://www.imdb.com/title/tt0075820/No Raggedy Ann doll, but the little girl does find her long-dead aunt's butt-ugly doll that looks a lot like Raggedy Ann if Ann was a hardcore crack addict.
If you like weird/bad movies, you might check it out even if it doesn't match your mother's memories. You'll be repeating the line "She's seen me! KILL HER!!" for weeks after you watch it.