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).
Madison
Madison is down from its peak but still widely used. All-time it's been given to 487,606 U.S. babies, the 96th most common name by sound today, peaking at 24,523 in 2001, with 5,925 in 2025.
By sound, Madison also includes the spellings Maddison, Madisyn, Madyson, Madisen.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).