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).
Cecilia
Cecilia has been climbing in recent years. All-time it's been given to 111,688 U.S. babies, the 361st most common name by sound today, at an all-time high of 2,506 in 2025.
Cecilia has no common alternate spellings by sound.
Rising