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).
Timothy
Timothy has been slowly declining from its former popularity. All-time it's been given to 1,092,628 U.S. babies, the 435th most common name by sound today, peaking at 30,957 in 1959, with 1,741 in 2025.
By sound, Timothy also includes the spellings Timmothy.
Rising