Hamilton was born in Lockerbie, Scotland and was educated at Lockerbie Academy and the University of Strathclyde, where she studied pharmacy. She was a member of the Anna Sloan rink that won a gold medal for Great Britain at the 2011 Winter Universiade, playing as the team's alternate. In March 2011, she played third for Sloan at the 2011 World Championships, along with Vicki Adams, Rhiann MacLeod and Eve Muirhead as alternate. They finished 9th.