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).
Danna
Danna has been climbing in recent years. All-time it's been given to 25,240 U.S. babies, the 690th most common name by sound today, peaking at 1,231 in 2010, with 787 in 2025.
Danna has no common alternate spellings by sound.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).