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).
Roman
Roman has been climbing in recent years. All-time it's been given to 105,131 U.S. babies, the 121st most common name by sound today, peaking at 6,185 in 2025, with 6,185 in 2025.
Roman has no common alternate spellings by sound.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).