Bullock was born on July 26, 1964 in Arlington, Virginia, a suburb of Washington, D.C. Her father, John W. Bullock (born 1925), was a United States Army employee and part-time voice coach; and her mother, Helga Mathilde Meyer (1942–2000), was a German-born opera singer and voice teacher.

Bullock's father was from Birmingham, Alabama, and had English, Irish, and French ancestry. Bullock's maternal grandfather was a rocket scientist from Nuremberg, Germany.

Sandra Bullock's Family Tree