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).
Tiffany
Tiffany was more common in the past and has since settled at a lower, steady level. All-time it's been given to 368,689 U.S. babies, the 1,416th most common name by sound today, peaking at 19,525 in 1988, with 311 in 2025.
By sound, Tiffany also includes the spellings Tiffani, Tiffanie, Tiffiny, Tiffaney.
Rising