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).
Dakota
Dakota is now well below its former popularity. All-time it's been given to 140,041 U.S. babies, the 347th most common name by sound today, peaking at 7,988 in 1995, with 2,171 in 2025.
By sound, Dakota also includes the spellings Dakotah.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).