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).
Easton
Easton is down from its peak but still widely used. All-time it's been given to 80,441 U.S. babies, the 207th most common name by sound today, peaking at 5,704 in 2016, with 3,218 in 2025.
Easton has no common alternate spellings by sound.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).