Family
- father Edward Griffiths: Abandoned family c. 1978; divorced from Griffith's mother
- mother Anna Griffiths: Raised children alone after her husband abandoned family c. 1978; remarried
- uncle : Jesuit priest
- son Banjo Patrick Taylor: Born Nov. 22, 2003; father, Andrew Taylor
- daughter Adelaide Rose Taylor: Born June 23, 2005; father, Andrew Taylor
- brother : Has another older brother
- brother Sam Griffiths: Older
- daughter : Born June 21, 2009; father, Andrew Taylor
Companions
- Companion Eric Stoltz: Reportedly dated during filming of "Very Annie-Mary" (2001); no longer together
- Andrew Taylor: fellow Aussie; engaged May 2002; married New Year's Eve 2002 in Melbourne, Australia
- Eric Stoltz: reportedly dated during filming of "Very Annie-Mary"; no longer together
- Jason Byrne: met during filming of "Hilary and Jackie"; engaged; no longer together; reportedly broke up because he wanted her to settle in England
- husband Andrew Taylor: Australian; married Dec. 31, 2002 at her old high school Melbourne, Australia
