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).
Ace
Ace has been climbing in recent years. All-time it's been given to 26,483 U.S. babies, the 329th most common name by sound today, peaking at 2,517 in 2022, with 2,250 in 2025.
Ace has no common alternate spellings by sound.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).