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).
Justice is now well below its former popularity. All-time it's been given to 51,967 U.S. babies, the 886th most common name by sound today, peaking at 2,056 in 1996, with 482 in 2025.
By sound, Justice also includes the spellings Justus, Justyce, Justiss.
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).