Pet form of Henry. This was the usual English form of Henry in the Middle Ages and later. It was used by Shakespeare, for example, as the familiar name of the mature King Henry V (compare Hal). Since the publication of the first of J. K. Rowling's Harry Potter titles (Harry Potter and the Philosopher's Stone) in 1997, Harry has become extremely popular as an independent given name. A meaning of the name Harry is Army Ruler.
Scottish: habitational name from a district in Ayrshire, first recorded in 1153 in the form Cunegan, a Celtic name of uncertain origin. The spellings in -ham, first recorded in 1180, and in -ynghame, first recorded in 1227, represent a gradual assimilation to the English placename element -ingham.