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).
Jaliyah is now well below its former popularity. All-time it's been given to 17,180 U.S. babies, the 1,025th most common name by sound today, peaking at 1,005 in 2011, with 417 in 2025.
By sound, Jaliyah also includes the spellings Jaleah, Jaliah.
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).