Davidson turned professional in 2017 and joined the
LPGA of Japan Tour in 2018, after finishing 11th at the JLPGA Final Qualifying Tournament. She spent four seasons in Japan and made $444,839 in career earnings, with career-best finish a T4 at the 2018 Century21 Ladies Golf Tournament, won by
Kristen Gillman. Davidson also played on the
ALPG Tour, where she finished solo second behind
Minjee Lee at the 2018
Women's Victorian Open, a
Ladies European Tour co-sanctioned event. In 2021 she finished T3 at the
TPS Victoria, and in 2022 she was runner-up again at the
Women's Victorian Open, this time behind
Hannah Green, having secured her first professional title at the WPGA Melbourne International a few weeks earlier. Davidson earned her
LPGA Tour card for 2022 by finishing T41 at
Q-School. In her rookie season she made 8 cuts in 11 starts and recorded a best finish of T8 at the
Dow Great Lakes Bay Invitational. She went to back Q-School to retain her status. ==Amateur wins==