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).
Jean
Jean is now well below its former popularity. All-time it's been given to 785,462 U.S. babies, the 1,310th most common name by sound today, peaking at 19,125 in 1927, with 357 in 2025.
By sound, Jean also includes the spellings Jeanne, Gene, Jeane. Spellings sometimes heard the same way: Gian.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).