The rookie politician eked out a narrow victory over second-place Conservative candidate Tamara Kronis and Green incumbent Paul Manly, who ranked third.
Barron, a school board trustee and youth and family navigator, is pursuing a master’s degree in community development at the University of Victoria.
She is the provincial representative for the B.C. School Trustee Association and a former education committee chair.
Manly was one of only two Green MPs in the House of Commons at the time of dissolution.
He first ran in Nanaimo–Ladysmith in 2015, but lost to the NDP’s Sheila Malcolmson.
Malcolmson later resigned to vie for the B.C. NDP in a provincial riding. Manly ran in the byelection and won, becoming the second-ever federal Green candidate in Canada’s history with more than 37 per cent of the vote.
He sought re-election in the general election in 2019, and won with 34.6 per cent of the vote.