Lacey has been given to about 55,233 people in the United States since 1880. It was most common in 1984, which makes it a Gen X and millennial name.
Lacey ranks 738th among American girls in 2025, with 370 born that year. Its best year was 1984, when 2,420 babies were given the name, ranking 116th. The typical living American called Lacey is about 35 years old today. It is relatively most common in Idaho, where it accounts for 0.04% of births.
Source: US Social Security Administration, national and state name files, 2025 release, and the Office for National Statistics for England and Wales. Etymology researched and written by our editors. Living-population and median-age figures are our own estimates, described in the methodology.