Carol was born on August 10, 1948, at St. Olaf Hospital in Austin, Minn., the only child of William and Leona (Hanson) Bybee. She grew up in Fairmont, Minn., Charles City, Iowa, and Hayfield, Minn. She was a member of Trinity Lutheran Church, where she was baptized and confirmed. Carol graduated from Hayfield Community Schools in 1966, and she then attended Mankato Commercial College.