The name Greyson means Son Of The Grey-haired Man and is of English origin. Greyson is a name that's been used primarily by parents who are considering baby names for boys.
Greyson is originally an English surname that has become a popular first (given) name. Alternate spellings of the name Greyson include Grayson and Gracen. The most common nickname for the name Greyson is Gray.