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).
Adley
Adley has stayed fairly steady in American naming for generations. All-time it's been given to 6,823 U.S. babies, the 1,135th most common name by sound today, peaking at 630 in 2021, with 390 in 2025.
Adley has no common alternate spellings by sound.
Rising