His dad out lived him. He would have been 52.
34 years old.
46
John F Kennedy was 45 years old when he died.
John F. Kennedy died on November 22, 1963 (aged 46).
52
John Kennedy Toole was born on December 17, 1937 and died on March 26, 1969. John Kennedy Toole would have been 31 years old at the time of death or 77 years old today.
John Fitzgerald Kennedy (May 29, 1917-November 22, 1963), he was 46.
John F. Kennedy Jr. died on July 16, 1999 at the age of 38.
John F. Kennedy died on November 22, 1963 at the age of 46.
He was 49 when his father, James Madison Sr. died in 1801.
John F. Kennedy and Jacqueline Kennedy had four children in order from oldest to youngest: Caroline Kennedy, John F. Kennedy Jr., Patrick Bouvier Kennedy (who died at 2 days old), and Arabella Kennedy (who was a stillborn).
John F. Kennedy was 45 in 1962. He was assassinated in 1963, dying at the age of 46. He was the youngest American president elected into office.