In 2025, 370 US girls were named Lacey, making it the 738th most common girls’ name of the year, up 8 places from #746 in 2024. That is 8 fewer than the 378 girls named Lacey in 2024. Its best rank for girls was #116, reached in 1984. The most girls given the name in a single year was 2,399, in 1987. For comparison, it was #478 in 2015 and #4,528 in 1950.
Social Security card records list Lacey in 122 years of the 146 from 1880 to 2025, starting in 1886 with 6 babies. In all, 55,233 US babies have been given the name, 97% of them girls and 2.6% boys. Its busiest decade was the 1980s, with 20,976 babies named Lacey.
Over the 10 years from 2016 to 2025, 4,218 US girls were named Lacey; the busiest of those years was 2016, with 638. In 2025 that was about 1 in 4,344 of the girls in SSA’s list for the year.
Among the states, Lacey ranked highest in Wisconsin in 2025, at #379 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Laci (9,623 babies since 1880), Lacy (26,685 babies since 1880), Lacie (10,831 babies since 1880) and Lacee (2,557 babies since 1880). Rarer spellings such as Laycee, Lacye and Lacia are summarised on this page.