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).
Evangeline has been climbing in recent years. All-time it's been given to 36,771 U.S. babies, the 474th most common name by sound today, peaking at 1,998 in 2025, with 1,998 in 2025.
Evangeline has no common alternate spellings by sound.
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).