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Rooney Mara

Celebrity name: Rooney Mara Birth name: Patricia "Tricia" Rooney Mara The star of "The Girl With the Dragon Tattoo" is a girl with a different name. Mara, who has been nominated for an Oscar in the best actress category for her memorable performance, started out life as Patricia, but goes by her two family names: Rooney Mara. The 26-year-old's last name was known before she became famous: Her grandfather, Wellington Mara and her uncle, John Mara, were longtime owners of the New York Giants.

Movie Stars’ Real Names

The names of stars are box-office gold. But for many celebrities, their names are about as real as the roles they play, and not the original ones they were born with. Here, some famous faces and their not-so-familiar names. -- By Claudine Zap