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).
Aryan climbed for decades and has been a steadily popular name ever since. All-time it's been given to 17,144 U.S. babies, the 938th most common name by sound today, peaking at 921 in 2013, with 529 in 2025.
By sound, Aryan also includes the spellings Arian.
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).