How to read the band →
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).
Kieran
Kieran has been climbing in recent years. All-time it's been given to 26,492 U.S. babies, the 700th most common name by sound today, at an all-time high of 1,110 in 2025.
By sound, Kieran also includes the spellings Kiran, Ciaran. Spellings sometimes heard the same way: Kyren, Kyran, Kyrin.
Rising