Quinn

Quinn attended Duke University, where they played collegiate soccer for the Duke Blue Devils from 2013 to 2018 and majored in biology. They were the first Canadian to play for Duke's women's soccer team. During their freshman season, Quinn started in four of the seven matches they played. They missed eight games after being injured early in the season. They recorded an assist against the Boston College Eagles. The following season, Quinn was a starting midfielder in 12 of the 14 games they played. They scored two goals during the season, including one game-winner. Despite missing four games due to injury, Quinn recorded 1,060 minutes of play their sophomore season. As a junior, Quinn was a starting defender in 20 of the 22 games they played and logged 1,974 minutes despite missing three games due to an ankle injury. The defensive line's 14 shutouts ranked first in the ACC and seventh in the nation. During a match against Florida in the NCAA Sweet 16, Quinn scored an equalizing header goal to tie the match 1–1. After winning the match 2–1, Duke advanced to the NCAA Cup quarterfinals. Quinn played in four matches in 2016 due to competing at the 2016 Rio Olympics with the national team and injuries. As a redshirt senior in 2017, Quinn earned Atlantic Coast Conference (ACC) Midfielder of the Year honors (the first Duke player to do so) and was a Hermann Trophy semifinalist. The same year, they were named All-ACC First Team and United Soccer Coaches First Team All-American.

Washington Spirit

Quinn became the highest drafted Canadian in NWSL history when they were selected third overall by the Washington Spirit in the 2018 NWSL College Draft. During the 2018 season, Quinn started in 16 of the 17 matches they played and recorded 1,385 minutes their rookie season. The Spirit finished in eighth place with a 2–17–5 record.

Paris FC

Wanting to play in Europe ahead of the 2019 FIFA Women's World Cup in France, Quinn signed with Division 1 Féminine (D1F) club Paris FC. They made their debut for Paris FC during a 1–0 against Guingamp on 16 February. Quinn played in two matches for Paris during the 2018–19 D1F season while also competing for Canada at the Algarve Cup and multiple training camps ahead of the World Cup. The club finished in fifth place with a 9–8–5 record.

Reign FC

In July 2019 (following the FIFA Women's World Cup in France), Quinn returned to the NWSL in the United States and signed with Reign FC based in Tacoma, Washington. Quinn made their debut for the Reign on 11 August in a 3–1 loss to Utah Royals FC. Quinn competed in six matches during the 2019 season for a total of 357 minutes. The club finished in fourth place with a 10–6–8 record and earned a berth to the NWSL Playoffs They were defeated 4–1 by eventual champions North Carolina Courage during the semifinal. In 2020, Quinn played 203 minutes for the Reign in the NWSL Challenge Cup, including two starts. They were part of the squad which won the 2022…

Quinn has represented Canada on the senior, under-23 under-20 and under-17 national teams.

Youth

Quinn won a silver medal at the 2012 CONCACAF Women's U-17 Championship in Guatemala and competed at the 2012 FIFA U-17 Women's World Cup, 2014 FIFA U-20 Women's World Cup and 2015 Pan American Games.

Senior

On March 7, 2014 at the age of 18, Quinn made their senior national team debut in a 3–1 win against Italy in the 2014 Cyprus Cup. On February 16, 2016, they scored a hat-trick against Guatemala in a 10–0 win in the group stage of the 2016 CONCACAF Women's Olympic Qualifying Championship.

In June 2016, while still playing collegiate soccer for Duke, Quinn was named to the roster for the 2016 Summer Olympics where Canada won bronze. During the team's first match of the tournament, Quinn subbed in the 23rd minute helping Canada shutout Australia with a 2–0 win. They were in the starting lineup as a midfielder during the team's next group stage match against Zimbabwe resulting in a 3–1 win. During the team's first-ever win against two-time FIFA Women's World Cup champions Germany, Quinn provided the assist to Melissa Tancredi's second goal resulting in a 2–1 win for Team Canada. Finishing in first place in Group F with an undefeated nine points, Canada advanced to the quarterfinals where they defeated France 1–0. Quinn subbed in during the 81st minute to strengthen Canada's defence and maintain the shutout. Canada faced Germany for the second time in the…

Quinn's father, Bill, was a collegiate rugby player and their mother, Linda, played college basketball. Raised with their three sisters in a sporting family in Toronto, Quinn began playing soccer with a club team at the age of six. An active child, they also swam, played hockey, and skied competitively. In 2010, they were selected for the under-14 provincial team and began playing for the national-level youth program. Quinn has said: "My parents put me in dance classes: ballet, jazz, hip-hop – and I hated it. Then, it was some house league hockey. But I always had a fondness for soccer. That was No. 1." Quinn attended Havergal College, an independent school where they played varsity volleyball and basketball and earned academic honours all four years. Quinn won the Conference of Independent Schools of Ontario Athletic Association (CISAA) Championship in 2011 for volleyball. They were named Most Valuable Player (MVP) for the basketball team in 2010–11 and helped lead the team to the CISAA Championship in 2009 and 2012. During high school, Quinn was also Senior Class Prefect and Co-Head of the Sports Council. During their senior year, Quinn earned the school's Suzanne Curtis Memorial Trophy and was named Athlete of the Year. Quinn played soccer for the Erin Mills Eagles Soccer Club U-15 and U-16 teams and helped the team win the Ontario Provincial championship in 2010 and 2011 and the Canadian National U-16 Club Championship in 2011. The team won silver in 2012.