From Aboutcom Genealogy: The Grant surname origin is Scottish. It is a commoner form of grand, meaning big, tall or elder, senior.
The name Grant is a masculine name and is French in origin. The name Grant means great and tall. It can be used as a first name or last name.
Grant is a very popular first name for men (#343 out of 1220) and also a very popular surname or last name for all people (#154 out of 88799). (1990 U.S. Census)
Grant is a good name
Avram Grant's birth name is Avraham Grant.
Nikki Grant's birth name is Nicole Grant.
Grant Heslov's birth name is Grant A. Heslov.
Grant Sewell's birth name is Grant Laverne Sewell.
Grant Shapps's birth name is Grant David Shapps.
Grant Show's birth name is Grant Alan Show.
Grant Vaught's birth name is Grant Evan Vaught.
Grant Swanby's birth name is Grant Brett Swanby.
Grant Tinker's birth name is Grant Almerin Tinker.