Graison
Graison is a common surname of French origin. It is believed to derive from the personal name Gratian, which itself comes from the Latin word "gratus," meaning "beloved" or "pleasing." The name likely originated in the Roman era and spread through various regions that were under Roman influence.
Variations of the surname Graison can be found in different spellings and phonetic adaptations across France
Historically, surnames became more standardized during the Middle Ages to aid in taxation and administrative purposes.