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).
Theodore
Theodore is one of the fastest-rising names in America right now — a comeback after years of decline. All-time it's been given to 322,180 U.S. babies, the 16th most common name by sound today, at an all-time high of 13,367 in 2025.
By sound, Theodore also includes the spellings Theadore.
Rising