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).
Dawn
Dawn is now well below its former popularity. All-time it's been given to 466,134 U.S. babies, the 1,750th most common name by sound today, peaking at 17,103 in 1970, with 174 in 2025.
By sound, Dawn also includes the spellings Don, Donn.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).