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).
Joanne
Joanne was more common in the past and has since settled at a lower, steady level. All-time it's been given to 369,930 U.S. babies, the 2,135th most common name by sound today, peaking at 10,356 in 1947, with 120 in 2025.
By sound, Joanne also includes the spellings Joann.
Rising