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).
Andrea
Andrea has been slowly declining from its former popularity. All-time it's been given to 460,441 U.S. babies, the 465th most common name by sound today, peaking at 12,133 in 1981, with 1,344 in 2025.
By sound, Andrea also includes the spellings Andria.
Rising