Florence Knapp (10 October 1873 – 11 January 1988) was, for the last two weeks of her life, recognized by the Guinness Book of World Records as the oldest person in the world. Born in Lansdale, Pennsylvania, she lived in nearby Montgomery Square much of her life and came from a large and long-lived family, eight of her siblings dying in their 80s and 90s and one sister reaching age 108. She never married.