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).
Marion
Marion was more common in the past and has since settled at a lower, steady level. All-time it's been given to 405,008 U.S. babies, the 1,261st most common name by sound today, peaking at 11,895 in 1924, with 364 in 2025.
By sound, Marion also includes the spellings Marian.
Rising