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).
Bailey
Bailey is now well below its former popularity. All-time it's been given to 180,118 U.S. babies, the 318th most common name by sound today, peaking at 9,413 in 1998, with 2,171 in 2025.
By sound, Bailey also includes the spellings Baylee, Bailee, Bayleigh, Baylie.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).