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).
Trenton
Trenton is now well below its former popularity. All-time it's been given to 61,900 U.S. babies, the 1,455th most common name by sound today, peaking at 2,522 in 2007, with 228 in 2025.
By sound, Trenton also includes the spellings Trenten.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).