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).
Nora
Nora has stayed fairly steady in American naming for generations. All-time it's been given to 227,920 U.S. babies, the 59th most common name by sound today, peaking at 8,223 in 2017, with 7,577 in 2025.
By sound, Nora also includes the spellings Norah.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).