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).
Aurelia
Aurelia has been climbing in recent years. All-time it's been given to 18,435 U.S. babies, the 738th most common name by sound today, peaking at 1,056 in 2025, with 1,056 in 2025.
Aurelia has no common alternate spellings by sound.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).