Marie had a very jealous personality towards her cheating husband, getting possessed by the mirror and attacking her kids out of anger. Once, she was a very loving mother and wife. She got possessed, and turned evil, trying to kill anyone that came in the room she was in. Even trying to lure Kaylie and Tim into the mirror and scaring them as hallucinations.
Marie has short orange hair is normally wearing long dresses, or in one scene wearing a red spaghetti strap shirt and jeans.
Marie has tried to kill her husband, Alan, and she has also tried to kill Kaylie by strangling her and not letting go. She tried to lure young Kaylie into the mirror, and even older Kaylie by creating a hallucination of her opening for a hug.