American supercentenarians are citizens or residents of the United States who have attained or surpassed 110 years of age.
As of January 2015, the Gerontology Research Group (GRG) had validated the longevity claims of 782 American supercentenarians.
The GRG lists the oldest living American as Hester Ford (born in Lancaster, South Carolina, August 15, 1905), aged 114 years, 124 days.
The longest-lived person ever from the United States was Sarah Knauss, of Hollywood, Pennsylvania, who died on December 30, 1999, aged 119 years, 97 days.