The surname Parker is of occupational origin deriving from the Anglo-Norman term for " the keeper of the Park." The name Parker was used as a descriptive term for a gatekeeper at a Medieval Park. Some Parkers were employed by noblemen with large estates. There are over 300,000 bearers of the surname Parker in the United States today making it the 51st most popular name in the country. Parker is the 46th most popular name in England.