What does Jack mean?
Jack began as a medieval pet form of John and grew so common it became a word for “man” (as in “every man Jack”). Now a name in its own right, it is one of the most popular boys’ names in Britain and Ireland.
What does Jackson mean?
Jackson is an English surname meaning “son of Jack (John).” Associated with figures such as President Andrew Jackson, it has surged as a first name in recent decades.