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).
Hailey
Hailey is down from its peak but still widely used. All-time it's been given to 487,368 U.S. babies, the 175th most common name by sound today, peaking at 23,549 in 2000, with 3,615 in 2025.
By sound, Hailey also includes the spellings Haley, Hayley, Haylee, Hailee, Haleigh, Haylie, Halie, Hailie, Hayleigh, Haily. Spellings sometimes heard the same way: Hali, Halley.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).