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).
Justin
Justin has fallen well below its former popularity. All-time it's been given to 805,408 U.S. babies, the 420th most common name by sound today, peaking at 35,655 in 1988, with 1,547 in 2025.
By sound, Justin also includes the spellings Justyn, Justen, Juston.
Rising