Kennedy was signed by Sydney as an injury replacement player on the eve of the 2023 season.[2] After making her debut in round 1 of that season against Greater Western Sydney, Kennedy went on to play all 11 games as the Swans reached their maiden AFLW finals series. Kennedy regularly played as a defensive midfielder, including roles on Emily Bates, Brianna Davey, and Claudia Whitfort in a standout performance in her side's elimination final win over Gold Coast.[3]