Son of Dray or a modern invented name
Dreyson is a modern American creation, likely formed by combining the name Dray with the popular 'son' suffix. It may also be interpreted as a variant of Grayson or a patronymic form of the surname Dray, which can relate to a cloth merchant or a sled driver.
Less common today
Dreyson isn't in the latest US Top 1000. It last peaked at #3,506 in 2018.
US births per 5-year period, 1990–present (SSA data).
