Has an older sister, Elise Giles Earhardt, and a younger brother, Trenton Earhardt (Trenton Graham Earhardt) (born in 1982).
Ainsley and her fellow Fox News correspondents, Anna Kooiman and Heather Childers, all attended the same elementary school, Sharon Elementary School, in Charlotte, North Carolina (hometown of Anna and Heather), but not at the same time.