The word "Kennedy" can refer to a couple of different things, so let's break it down:
Kennedy (noun): This can refer to John F. Kennedy, who was the 35th President of the United States. He served from 1961 until he was assassinated in 1963. He is known for creating the Peace Corps, which is an organization that helps people in other countries.
Kennedy Airport (noun): This also refers to John F. Kennedy International Airport, which is a large airport located on Long Island, to the east of New York City. It is one of the main airports serving New York City.