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).
Quentin
Quentin has been slowly declining from its former popularity. All-time it's been given to 102,196 U.S. babies, the 776th most common name by sound today, peaking at 2,558 in 1998, with 632 in 2025.
By sound, Quentin also includes the spellings Quinton, Quintin, Quinten, Quenton.
Rising