[1] Kelly began her rugby career in 2014, when at the age of 13 she joined Caernarfon RFC in Gwynedd, North Wales.
[3] After moving to Liverpool in 2018 to complete a craft apprenticeship with SP Energy Networks,[4] Kelly joined Firwood Waterloo Ladies in the Tyrrells Premier 15s league, before signing with Sale Sharks in 2020.
[2] Having just turned 18, Kelly was then selected for the Women's Six Nations team, and made her international debut in November 2019 against Scotland.
She went on to appear twice more in the 2019 tournament and was selected again for the 2020 Women's Six Nations Championship, gaining caps against Ireland, France and England.
[1] Kelly enrolled as a craft apprentice on SP Energy Networks’ apprenticeship scheme in 2019, after taking an interest in the company that sponsored her club, RGC.