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).
Hadley
Hadley climbed for decades and has been a steadily popular name ever since. All-time it's been given to 58,416 U.S. babies, the 252nd most common name by sound today, peaking at 3,664 in 2014, with 2,745 in 2025.
By sound, Hadley also includes the spellings Hadlee, Hadleigh.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).