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).
Lacey
Lacey is now well below its former popularity. All-time it's been given to 102,372 U.S. babies, the 1,032nd most common name by sound today, peaking at 4,061 in 1984, with 538 in 2025.
By sound, Lacey also includes the spellings Lacy, Lacie, Laci.
Rising
Source: U.S. Social Security Administration, “National data” baby-names files (1880–2025).