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).
Kaliyah has climbed over the years and is holding near its high. All-time it's been given to 28,876 U.S. babies, the 579th most common name by sound today, at an all-time high of 1,374 in 2025.
By sound, Kaliyah also includes the spellings Kalia, Kaleah, Khalia, Caliyah.