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).
Alessandro
Alessandro has been climbing in recent years. All-time it's been given to 12,002 U.S. babies, the 972nd most common name by sound today, peaking at 608 in 2025, with 608 in 2025.
Alessandro has no common alternate spellings by sound.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).