Glencross was born and raised in Glasgow, Scotland, and graduated from the University of Glasgow with a Bachelor of Arts in history. In September 2008, Nikki Glencross began training at the Scottish Wrestling Alliance. She is also a qualified fitness instructor and personal trainer with the first name of Nikki Storm.
On 17 January 2019, Glencross married her old boyfriend and former Sanity stablemate, Damian Mackle, better known as Killian Dain. She also in a video game in WWE 2k18 and WWE 2k20. In Women’s Championship W3L one time and she ranked No. 18 of the top 100 female wrestlers in the PWI female 100 in 2019.