Born in Fairfax, Virginia, Nally began her career at FC Virginia where she played from 2008 to 2016, before she began playing college soccer for the Georgetown Hoyas.[2] During her first season, she appeared in 21 games, starting once against the USC Trojans in the 2016 Women's College Cup.[2] The next season, she started 20 games for the Hoyas, scoring 3 goals, before appearing in all 25 games for her college in 2018.[2]
In 2021, Nally returned from her loan and made her professional debut for the Thorns on April 15, 2021, against the Chicago Red Stars in the Challenge Cup. She came on as an 83rd-minute substitute in the 1–0 victory.[5]