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).
Tommy
Tommy was more common in the past and has since settled at a lower, steady level. All-time it's been given to 236,838 U.S. babies, the 1,034th most common name by sound today, peaking at 5,656 in 1947, with 591 in 2025.
By sound, Tommy also includes the spellings Tommie, Tomi.
Rising