John F. - Jack - Gordon died in 2010.
John F. - Jack - Gordon was born in 1921.
John F. 'Jack' Hasey died in 2005.
Gordon F. Allen died in 1973.
William F. Gordon died in 1858.
Gordon F. Newell died in 2001.
John F. 'Jack' Hasey was born in 1916.
F. Gordon A. Stone died on 2011-04-06.
Formally he's referred to as John F. Kennedy or sometimes John Kennedy; his friends and family called him Jack, so he was known to some as Jack Kennedy. But he is only very rarely referred to as Jack F. Kennedy. The most common names are President Kennedy, John F. Kennedy and JFK.
John F. Kennedy was nicknamed Jack. If John Tyler, John Adams, or John Quincy Adams was called Jack, it's not obvious.
John Fitzgerald Kennedy (official name) was called Jack Kennedy (nickname) by his family and friends. Jack is a common nickname for John.
All three died in Dallas
John F. Kennedy was often called "Jack"/