She was elected a member of the New South Wales Legislative Assembly representing Camden for the Labor Party since 2023.
[2] She was a founding member of the Camden Musical Society, [4] She sang and played the piano and the bassoon.
[2] Quinnell was the endorsed as the NSW Labor candidate for the seat of Camden at the 2019 state election at which she was defeated by Peter Sidgreaves.
[8] Quinnell and her husband Damien moved to Camden in the late 2000s and raised their three children there.
She has volunteered at Cowpastures Park Run, South Camden Tennis Club and St Vinnies homeless night visits.