She has been a Labor member of the South Australian House of Assembly since the 2022 state election, representing Elder.
[2][5] She was employed in communications and marketing roles at Women's Safety Services SA,[5] the Fred Hollows Foundation and headspace National Youth Mental Health Foundation[6] before becoming an electorate officer, media adviser and policy adviser to various Labor members of parliament,[5][7][8] including then Minister for Foreign Affairs Kevin Rudd, Chief Minister of the Australian Capital Territory Katy Gallagher and federal Labor member Mark Butler.
[7] Her policy adviser experience includes foreign affairs, health, housing and homelessness and the environment.
[2][5] Clancy has been a volunteer with two not-for-profits: Puddle Jumpers[5] – a not-for-profit organisation supporting the social development needs of society's most vulnerable children and young people;[9] and Treasure Boxes[5] – which provides vital essentials to babies, children and teens living in disadvantage in the community.
She defeated the Liberal assistant minister for Domestic and Family Violence, Carolyn Power, who had held the seat since 2018 on a margin of 1.9 per cent.