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).
Jerry is now well below its former popularity. All-time it's been given to 716,862 U.S. babies, the 1,377th most common name by sound today, peaking at 21,062 in 1947, with 283 in 2025.
By sound, Jerry also includes the spellings Jeri, Gerry, Jerri, Geri, Jerrie, Gerri, Jere.
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).