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).
Ariana has dropped sharply from its peak but is still widely used. All-time it's been given to 149,938 U.S. babies, the 244th most common name by sound today, peaking at 6,953 in 2014, with 2,585 in 2025.
By sound, Ariana also includes the spellings Aryanna, Aryana, Oriana, Ariyana, Ariyanna, Arionna. Spellings sometimes heard the same way: Arianna.