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).
Beverly is now well below its former popularity. All-time it's been given to 396,662 U.S. babies, the 1,591st most common name by sound today, peaking at 11,662 in 1947, with 258 in 2025.
By sound, Beverly also includes the spellings Beverley.
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).