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).
Josue
Josue has stayed fairly steady in American naming for generations. All-time it's been given to 57,874 U.S. babies, the 614th most common name by sound today, peaking at 2,272 in 2007, with 1,026 in 2025.
Josue has no common alternate spellings by sound.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).