The 31-year-old arrives having spent eight-and-a-half hugely successful years in the National Women’s Soccer League (NWSL).
After joining the Courage in the summer of 2017, O’Sullivan won the NWSL Championship twice and the NWSL Shield on three occasions in her first three seasons with the club. She also lifted the NWSL Challenge Cup in 2022 and 2023.
O’Sullivan, who was appointed Courage captain before the 2023 season, leaves as the club’s all-time top appearance maker.
On the international stage, O’Sullivan made her senior debut for Ireland as a 17-year-old in 2011 and was named her country’s Women’s Player of the Year in 2015 and 2020.
She is the second-most-capped player in Ireland’s history, six outings behind the now-retired Emma Byrne, and played in their first Women’s World Cup finals appearance in 2023.
Before moving to North Carolina, O’Sullivan represented hometown club Cork City, Peamount United, Glasgow City – where she enjoyed success that included the winning of three league titles – and Houston Dash.
O’Sullivan also has previous Barclays Women’s Super League experience having had a spell on loan with Brighton & Hove Albion in 2020.
