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).
Cora
Cora is down from its peak but still widely used. All-time it's been given to 165,956 U.S. babies, the 222nd most common name by sound today, peaking at 4,264 in 2019, with 3,031 in 2025.
By sound, Cora also includes the spellings Kora.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).