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).
Alex
Alex is now well below its former popularity. All-time it's been given to 300,564 U.S. babies, the 399th most common name by sound today, peaking at 8,270 in 1993, with 1,621 in 2025.
By sound, Alex also includes the spellings Alix.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).