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).
Jay
Jay was more common in the past and has since settled at a lower, steady level. All-time it's been given to 204,698 U.S. babies, the 710th most common name by sound today, peaking at 5,560 in 1960, with 903 in 2025.
By sound, Jay also includes the spellings Jaye, Jae. Spellings sometimes heard the same way: Jai.
Rising