List of presidents of the United States by age
The median age upon accession to the presidency is 55 years and 3 months. This is how old Lyndon B. Johnson was at the time of his inauguration. The youngest person to assume the office was Theodore Roosevelt, who became president at the age of , following William McKinley's assassination; the oldest was Donald Trump, who was old at his inauguration. The youngest person to be elected president was John F. Kennedy, at of age on election day; the oldest was Ronald Reagan, who was old at the time of his election to a second term.
Varina Anne Davis
Varina Anne "Winnie" Davis (June 27, 1864 – September 18, 1898) was an American author who was most known as the youngest daughter of President Jefferson Davis of the Confederate States of America and Varina (Howell) Davis. Born in the last year of the war, by the late 1880s she became known as the "Daughter of the Confederacy". Images of her were widely circulated when she was young, helping morale. Later in the 1880s, she appeared with her father on behalf of Confederate veterans' groups. After his death, she and her mother moved in 1891 to New York City, where they both worked as writers. She published a biography and two novels, in addition to numerous articles. Davis died young from infectious disease.