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).
Xiomara
Xiomara has been climbing in recent years. All-time it's been given to 12,239 U.S. babies, the 858th most common name by sound today, peaking at 765 in 2023, with 665 in 2025.
Xiomara has no common alternate spellings by sound.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).