The meaning of the name Greyson is Son Of The Grey-haired Man. The origin of the name Greyson is English. This is the culture in which the name originated, or in the case of a word, the language.
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.