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).
Mabel
Mabel has been climbing back after years of decline. All-time it's been given to 203,743 U.S. babies, the 513th most common name by sound today, peaking at 5,494 in 1918, with 1,669 in 2025.
By sound, Mabel also includes the spellings Mable, Maybelle, Maebelle.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).