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).
Abigail
Abigail is down from its peak but still widely used. All-time it's been given to 435,917 U.S. babies, the 105th most common name by sound today, peaking at 17,028 in 2003, with 5,024 in 2025.
By sound, Abigail also includes the spellings Abbigail, Abigayle, Abbygail.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).