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).
Ashton
Ashton is now well below its former popularity. All-time it's been given to 116,454 U.S. babies, the 306th most common name by sound today, peaking at 6,176 in 2004, with 2,058 in 2025.
By sound, Ashton also includes the spellings Ashtyn.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).