Background
Duncan was born in Greymouth on the West Coast, and attended Canterbury University, Auckland University, and Christchurch Teachers" College.
Duncan was born in Greymouth on the West Coast, and attended Canterbury University, Auckland University, and Christchurch Teachers" College.
University of Auckland. University of Canterbury.
She worked as a teacher in a number of different cities including Lower Hutt, Masterton and Auckland. She was involved with the New Zealand Educational Institute (Te Riu Roa) and the New Zealand Council of Trade Unions. She first stood for Parliament in the 1996 election, unsuccessfully in the Auckland electorate of Epsom for the Labour Party.
In 1998 Jill White, a Labour list Member of Parliament, resigned from Parliament.
As Duncan was the next-ranked person on the Labour Party list, she entered Parliament in White"s place. In the 1999 and the 2002 elections, Duncan remained in Parliament as a list Member of Parliament, also unsuccessfully contesting the North Shore electorate.
She left Parliament at the 2005 election after being diagnosed with cancer. She died on 6 February 2007.