Mariah O'Brien
- Known for
- Acting
- Gender
- Female
- Born
- June 25, 1971
- Age
- 55
- From
- Dellroy, Ohio, USA
Mariah O'Brien was born on 25 June 1971 in Dellroy, Ohio, USA. She is an actress, known for Halloween: The Curse of Michael Myers (1995), Being John Malkovich (1999) and The Mod Squad (1999). She was previously married to Giovanni Ribisi.
