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).
Hannah
Hannah has been easing down from its peak but is still widely used. All-time it's been given to 508,543 U.S. babies, the 144th most common name by sound today, peaking at 25,024 in 2000, with 4,553 in 2025.
By sound, Hannah also includes the spellings Hanna.
Rising