Trey comes from the Old French vocabulary word “treis” and the Latin “tres” meaning 'the three'. It usually signifies the three in any suit of playing cards. It may be given to the third son born into a family.

Does Trey stand for 3?

Frequency: A nickname for someone who is the third person in the family sharing his father's name. A male given name of modern usage, derived from the nickname. ...

What does Trey mean?

SHARE. Of English origin, this name means "three" - so it could be a great name for a third child, or a third-generation namesake, or to commemorate the most frustrating age ever.