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).
Rafael has been climbing in recent years. All-time it's been given to 90,067 U.S. babies, the 477th most common name by sound today, peaking at 1,710 in 2006, with 1,648 in 2025.
By sound, Rafael also includes the spellings Raffael.
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).