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).
Paris is now well below its former popularity. All-time it's been given to 46,495 U.S. babies, the 872nd most common name by sound today, peaking at 2,343 in 2004, with 569 in 2025.
By sound, Paris also includes the spellings Parris.
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).