Jack.
JFK's middle name is Fitzgerald :)
John Kennedy's wife's name was Jackie. Her maiden name was Jackie Bouvier. During her second marriage, her name was Jackie Onassis.
America called him JFK but his family called him "jack"
John Fitzgerald Kennedy (official name) was called Jack Kennedy (nickname) by his family and friends. Jack is a common nickname for John.
Nick Ferrelli's birth name is Nicholas F. Ferrelli.
Nick
John F. Kennedy's secretary's name was Lincoln!
John F. Kennedy's middle name was Fitzgerald.
His full name was John Fitzgerald Kennedy.
John Stossel's birth name is John F. Stossel.
John Brascia's birth name is John F. Brascia.
John Demartini's birth name is John F Demartini.