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).
Sienna
Sienna has been climbing in recent years. All-time it's been given to 54,050 U.S. babies, the 272nd most common name by sound today, peaking at 3,269 in 2025, with 3,269 in 2025.
By sound, Sienna also includes the spellings Siena, Cienna.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).