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).
Ariyah has climbed over the years and is holding near its high. All-time it's been given to 18,520 U.S. babies, the 514th most common name by sound today, peaking at 1,508 in 2019, with 1,312 in 2025.
By sound, Ariyah also includes the spellings Ariya. Spellings sometimes heard the same way: Ariah.