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).
Kendall
Kendall is now well below its former popularity. All-time it's been given to 127,679 U.S. babies, the 538th most common name by sound today, peaking at 3,877 in 2004, with 1,229 in 2025.
By sound, Kendall also includes the spellings Kendal, Kendell, Kendyl.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).