Kevin Garnett was born on May 19, 1976 in Greenville, South Carolina, United States. He is a son of O'Lewis McCullough and Shirley Garnett. Garnett's birth parents were never formally married and broke up not long after Kevin was born. Shirley then remarried Ernest Irby, who became Kevin's stepfather. The athlete has two sisters, an older Sonya and a younger Ashley.