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).
Adeline
Adeline has been climbing in recent years. All-time it's been given to 99,604 U.S. babies, the 139th most common name by sound today, peaking at 6,008 in 2016, with 5,310 in 2025.
By sound, Adeline also includes the spellings Adaline.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).