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).
Paxton
Paxton has stayed fairly steady in American naming for generations. All-time it's been given to 30,318 U.S. babies, the 550th most common name by sound today, peaking at 2,084 in 2016, with 1,037 in 2025.
Paxton has no common alternate spellings by sound.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).