Family name Treysi (Treysi 
, טרייסי 
, Трэйси 
) , in all the world, is a rare last name. The surname Treysi is characteristic of Syria, where it is a rare surname, Honduras, and Nicaragua, where it is a very rare surname. Measured by absolute frequency, the name is most common in Syria, Mexico, and Honduras. Likewise, Treysi is the forename as well as the last name.