She represented the
Cabra-
Glasnevin local electoral area on
Dublin City Council from 2019 to 2020, and was the party's Head of Manifesto Development. At the
2020 Seanad election, she was elected to
Seanad Éireann on the
Labour Panel. She was also a researcher for the
Party of European Socialists in the
European Parliament and was a trade union official and economic advisor to
SIPTU for over 10 years. On July 2024, Sherlock was selected by the
Labour Party to contest the
Dublin Central constituency at the
2024 general election. Sherlock secured the final seat available at the expense of
Gerry Hutch. ==Personal life==