Mallory Gina Kane was born on Marine Corps Base Camp Pendleton to an Irish-American father and an Italian-American mother. Her father, John Kane, was a U.S. Marine Corps foreign area officer. Because of that, Mallory was raised all over the world. Her mother, Dana Kane, was a homemaker. As a teenager, Mallory become highly proficient in the sport of Muay Thai fighting and also took several course in Judo and Krav Maga. When she was seventeen, her mother died of cancer.