Son of Trey; or third-born son
A modern American invention, Treyson likely originated as a patronymic surname-style name meaning 'son of Trey.' Since Trey is traditionally a nickname for a third-born child (from the French word for three), the name carries the connotation of being the third in a lineage.
About 47 boys were named Treyson in 2025.
US births per 5-year period, 1990–present (SSA data).
American college football running back
