MacIntyre was born to Douglas R. and Carole C. (Williams) MacIntyre and has a younger brother, Todd (born 1988) and a younger sister, Katelyn (born 1991). MacIntyre started playing the piano by ear when he was three years old. He was taught by a neighborhood piano teacher near their home in Redondo Beach, California. At six years of age, he began training in classical music. When Scott turned 10, the family moved to Toronto, Canada. They lived there for four years, and in that time Scott studied at the Royal Conservatory of Music. The MacIntyre family then relocated to Arizona and Scott studied under Walter Cosand, a university professor of Arizona State University. He was home-schooled until the age of 14, when he was admitted into Arizona State University's Barrett Honors College and Her