How to read the band →
Solid line = floor (spellings that unambiguously belong to the group). Shaded band up to the dashed edge = ceiling (the most it could reach if every ambiguous spelling counted here).
Trey
Trey is now well below its former popularity. All-time it's been given to 50,702 U.S. babies, the 1,116th most common name by sound today, peaking at 2,444 in 1993, with 350 in 2025.
By sound, Trey also includes the spellings Tre, Trae.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).