Meaning Trey has the meaning of 'three'. It also has the Celtic meaning of 'from the house by the rock'. Origin of Trey English +-100%Zoom level changed to 1 Popular Middle Names Edward, Michael, Patrick, Rashad, Robert, Royale, Vaughn, Zain, Edwards, Jesse Pronunciation 🔊 Listen Trey TREY Similar Names Travion Treyson Treyton Trae Treven Tremayne Tremen Barry Adan Atre Year by Year Popularity of Trey