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).
Alan
Alan was more common in the past and has since settled at a lower, steady level. All-time it's been given to 746,257 U.S. babies, the 256th most common name by sound today, peaking at 15,785 in 1955, with 2,732 in 2025.
By sound, Alan also includes the spellings Allen, Allan, Allyn, Alain, Alen.
Rising