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).
Mason
Mason has dropped sharply from its peak but is still widely used. All-time it's been given to 362,934 U.S. babies, the 61st most common name by sound today, peaking at 20,521 in 2011, with 6,780 in 2025.
By sound, Mason also includes the spellings Mayson, Maison, Masen, Masyn.
Rising