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).
Raven was more common in the past and has since settled at a lower, steady level. All-time it's been given to 54,109 U.S. babies, the 691st most common name by sound today, peaking at 2,524 in 1993, with 938 in 2025.
By sound, Raven also includes the spellings Rayven, Ravyn.