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).
Ismael
Ismael has been climbing in recent years. All-time it's been given to 44,289 U.S. babies, the 534th most common name by sound today, peaking at 1,535 in 2024, with 1,307 in 2025.
Ismael has no common alternate spellings by sound.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).