Moore was raised near Gloucester, Ontario. She began writing in earnest while at Emily Carr Middle School. Her interest in the fantasy genre began to blossom after studying Ursula K. Le Guin's Earthsea novels in grade 7. She went to high school at Canterbury High School (Ottawa) for the Performing Arts to study clarinet. Her post-secondary studies were at Carleton University and then a law degree at Queen's University.

She practices family law while writing in her spare time, or vice versa.