Because Jack is a name that stands out more than John and most people like the sound of Jack because it is so catchy.
Yes, John F. Kennedy had a secretary named Evelyn Lincoln. However, the part being circulated about Abe Lincoln having a secretary named Kennedy is not true. It is also unknown if Lincoln's secretary, John Hay, warned him not to go to the theatre, or whether Evelyn Lincoln warned Kennedy not to go to Dallas.
Dum people what do go to school for
did john sutter go to college
someone want to go to INDIA with a boat when he go to INDIA and that was not INDIA it was Michigan. Then he live in there and so many people came to michigan and they named the people in MICHIGAN african american . That why they live in there.
people might want to go to Virginia because it is an ideal location which had inspired the explorer Captain John Smith to take over Virginia. Also so they can go sight seeing for wonderful and cool places.
John Lanni goes by Jack.
John Singlaub goes by Jack.
John Correll goes by Jack.
John Clout goes by Jack.
John Zilly went by Jack.
John Wirt goes by Jack.
John Merivale went by Jack.
John Graber goes by Jack.
John Lovelock went by Jack.
John Alexis Howard went by Jack.
John Howard Lawson went by Jack.
John Paul Carson goes by Jack.