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).
Alejandro
Alejandro is now well below its former popularity. All-time it's been given to 147,470 U.S. babies, the 398th most common name by sound today, peaking at 4,577 in 2001, with 1,842 in 2025.
Alejandro has no common alternate spellings by sound.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).