List of First Ladies by Age at Inauguration
- Acting First Lady Sarah Angelica Van Buren was the youngest to become First Lady at age 20.
- Acting First Lady Emily Donelson was the second youngest at age 21.
- The youngest offical First Lady was Fances Cleveland who became First Lady at age 21.9.
- Jill Biden is the oldest to become First Lady at age 69.
Age-at-Start Amazon Best sellers - First Ladies Biographies
List of US First Ladies by Age_at_start
First Ladies by Age at Inauguration