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).
Atticus
Atticus has been climbing in recent years. All-time it's been given to 18,443 U.S. babies, the 567th most common name by sound today, peaking at 1,321 in 2021, with 1,217 in 2025.
Atticus has no common alternate spellings by sound.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).