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).
Kashton
Kashton has been climbing in recent years. All-time it's been given to 7,708 U.S. babies, the 773rd most common name by sound today, peaking at 864 in 2022, with 797 in 2025.
Kashton has no common alternate spellings by sound.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).