Mamie Eva Walter Keith (b. March 22, 1873–d. September 20, 1986) was an American supercentenarian and the oldest recognized person in the world from February 21, 1986 until her death seven months later in the Winchester House nursing home, Libertyville, Illinois. Keith was a teacher in an elementary school in Anna, Illinois, where she was born.
Community content is available under CC-BY-SA unless otherwise noted.