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).
Addison
Addison has dropped sharply from its peak but is still widely used. All-time it's been given to 187,297 U.S. babies, the 196th most common name by sound today, peaking at 14,559 in 2007, with 3,221 in 2025.
By sound, Addison also includes the spellings Addyson, Adyson, Adison.
Rising