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).
Lilith
Lilith has been climbing in recent years. All-time it's been given to 13,534 U.S. babies, the 573rd most common name by sound today, peaking at 1,300 in 2023, with 1,111 in 2025.
Lilith has no common alternate spellings by sound.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).