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).
Archie has been climbing in recent years. All-time it's been given to 57,535 U.S. babies, the 664th most common name by sound today, peaking at 1,137 in 1918, with 1,134 in 2025.
Archie has no common alternate spellings by sound.
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).