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).
Lana
Lana has stayed fairly steady in American naming for generations. All-time it's been given to 61,290 U.S. babies, the 800th most common name by sound today, peaking at 1,551 in 1948, with 778 in 2025.
By sound, Lana also includes the spellings Lonna, Lahna.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).