|Appearances||GTA Vice City Stories|
|Full Name||Mary-Beth Williams|
|Place of Birth||Vice City|
Viceport, Vice City|
Little Havana, Vice City
Louise Cassidy-Williams (mother)|
Marty Jay Williams (father)
Mary-Jo Cassidy (aunt)
Phil Cassidy (uncle)
Mary-Beth Williams is the newborn baby of Louise Cassidy-Williams and Marty Jay Williams who makes a few brief appearances in Grand Theft Auto: Vice City Stories. It is thought that after both her parents die her aunt Mary-Jo takes care of her, as this is the wish of Louise as she dies.
- GTA Vice City Stories
- Mary-Beth Williams is seen briefly in a blue Hawaiian blanket, similar to that of Tommy Vercetti's street shirt in Grand Theft Auto: Vice City.