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).
Elisa
Elisa has stayed fairly steady in American naming for generations. All-time it's been given to 83,855 U.S. babies, the 728th most common name by sound today, peaking at 1,869 in 1970, with 799 in 2025.
By sound, Elisa also includes the spellings Alisa, Alicea, Elisah. Spellings sometimes heard the same way: Alysa.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).