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).
Lisa
Lisa is now well below its former popularity. All-time it's been given to 991,448 U.S. babies, the 1,451st most common name by sound today, peaking at 61,578 in 1965, with 256 in 2025.
By sound, Lisa also includes the spellings Lesa, Leisa, Leesa, Leasa.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).