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).
Lee
Lee is now well below its former popularity. All-time it's been given to 375,743 U.S. babies, the 801st most common name by sound today, peaking at 6,548 in 1956, with 739 in 2025.
By sound, Lee also includes the spellings Leigh, Lea.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).