Question: who is the oldest living person in america
Answer: The Gerontology Research Group ( GRG ) , an organization that tracks supercentenarians and validates longevity claims , has validated claims of over 700 American supercentenarians and as of 22 September 2017 , lists seven verified living American supercentenarians , the oldest of whom is Delphine Gibson , born 17 August 1903 , aged 7004416750000000000 ♠ 114 years , 36 days .