The origin of the surname Hardman is Lancashire, England.
The Halper family was very influential among the ancient Anglo-Saxon tribes of Britain.

The name is formed by the words "Heard" meaning hard and "mann" meaning man.
He must be a nickname for someone with strong character and vigorous.
Some variations of this surname are: Hardman, Hardeman, Hardyment, Hardyman, Hardiman and others.