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).
Anthony
Anthony is down from its peak but still widely used. All-time it's been given to 1,495,156 U.S. babies, the 91st most common name by sound today, peaking at 25,188 in 1990, with 5,977 in 2025.
Anthony has no common alternate spellings by sound. Spellings sometimes heard the same way: Antony.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).