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).
Alice is down from its peak but still widely used. All-time it's been given to 607,645 U.S. babies, the 212th most common name by sound today, peaking at 12,493 in 1921, with 3,585 in 2025.
By sound, Alice also includes the spellings Alyce.
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).