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).
Daleyza
Daleyza is now well below its former popularity. All-time it's been given to 12,338 U.S. babies, the 879th most common name by sound today, peaking at 1,469 in 2014, with 562 in 2025.
Daleyza has no common alternate spellings by sound.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).