Born in Hawera, New Zealand, Wilson attended Turuturu School, Hawera Intermediate School and Hawera High School. She is married to Jeff Wilson, former New Zealand dual rugby and cricket player. Wilson has two sons and is a lawyer by profession. She was admitted to the bar in 2003.
She debuted for the Silver Ferns in 1999 at 20 years of age and became the team's captain in March 2005. She started her playing career as a shooter, later moving to the mid-court to concentrate on the wing attack position.