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).
Rayan climbed for decades and has been a steadily popular name ever since. All-time it's been given to 13,868 U.S. babies, the 1,005th most common name by sound today, peaking at 588 in 2016, with 556 in 2025.
By sound, Rayan also includes the spellings Raeann.
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).