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).
Kennedy
Kennedy is down from its peak but still widely used. All-time it's been given to 116,672 U.S. babies, the 210th most common name by sound today, peaking at 5,536 in 2015, with 3,417 in 2025.
By sound, Kennedy also includes the spellings Kennedi.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).