Matt Stone was born Houston, Texas, being the son of Gerald Whitney Stone and Sheila Lois Belasco, who would become the basis of Gerald Broflovski and Sheila Broflovski. His father Gerald was of Irish Catholic descent, whilst his mother Sheila was an Ashkenazi Jew. He spent his childhood in Littleton, Colorado,in the Denver area, and attended the Heritage High School. He obtained several degrees in animation and the film arts.