In 2025, 26 US girls were named Laci, making it the 5,044th most common girls’ name of the year, down 1,037 places from #4,007 in 2024. That is 11 fewer than the 37 girls named Laci in 2024. Its best rank for girls was #438, reached in 2003. That year also had the most girls given the name: 686. For comparison, it was #1,631 in 2015 and unranked in 1950.
Social Security card records list Laci in 60 years of the 146 from 1880 to 2025, starting in 1962 with 6 babies. In all, 9,623 US babies have been given the name, all of them girls. Its busiest decade was the 2000s, with 3,405 babies named Laci.
Over the 10 years from 2016 to 2025, 612 US girls were named Laci; the busiest of those years was 2017, with 101. In 2025 that was about 1 in 61,818 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Lacey (55,233 babies since 1880), Lacy (26,685 babies since 1880), Lacie (10,831 babies since 1880) and Lacee (2,557 babies since 1880).