Mary-Beth Williams is the new born baby of Louise and Marty that only appears a few times in the game. After both of her parents die, she is believed that Mary-Jo takes care of her. She is known to be an orphan.
GTA Vice City Stories
- Fear the Repo
- When Funday Comes
- Takin' Out the White Trash
- Mary-Beth is the youngest child to be featured in the Grand Theft Auto series.