Sheehan played college soccer at the University of California, Los Angeles, from 2017 to 2021.[1] As a freshman, she was named to the Pac-12 All-Freshman team and scored the tying goal in a 2–3 loss to Stanford in the 2017 NCAA Division I tournament final.[1][6] In her sophomore year, she switched positions to play as a defender and was named to the All-Pac-12 third team.[1] She was selected as the Pac-12 Defensive Player of the Week in October 2018 and September 2019.[7][8] She began playing as a midfielder again in her senior year and was the team's vice captain.[1][9] Helping UCLA win their first Pac-12 Championship in six years, she was named to the All-Pac-12 first team and was the Pac-12 Midfielder of the Year, a Hermann Trophy semifinalist, and a Senior CLASS Award candidate.[9][10][11] Over four seasons in college, she tallied 15 goals and 18 assists in 86 appearances.[1]
Club career
NJ/NY Gotham FC (then known as Sky Blue FC) selected Sheehan 33rd overall in the fourth round of the 2021 NWSL Draft, which took place online on her 21st birthday.[3][12] She signed a national team replacement (NTR) contract with Gotham in July 2021.[13] She made five appearances for Gotham before she was loaned in September to the Division 1 Féminine club Paris FC for the rest of the year, a move that she said she eagerly accepted for the opportunity to improve her tactical skills.[3][14] She made nine appearances for Gotham in 2022.[3]
Sheehan signed a two-year contract with Gotham in January 2023.[15] That season, she had a regular starting spot in Gotham's lineup, her position varying between forward and attacking midfielder.[3] She scored her first professional goal on October 22, 2023, in the first round of the NWSL playoffs against the North Carolina Courage, notching Gotham's first NWSL postseason goal and helping the team to their first NWSL playoff win.[16][17][18]