In 2025, 14 US girls were named Lyndsey, making it the 7,723rd most common girls’ name of the year, up 96 places from #7,819 in 2024. That is 0 more than the 14 girls named Lyndsey in 2024. Its best rank for girls was #343, reached in 1983. The most girls given the name in a single year was 687, in 1990. For comparison, it was #3,684 in 2015 and unranked in 1950.
Social Security card records list Lyndsey in 57 years of the 146 from 1880 to 2025, starting in 1964 with 5 babies. In all, 14,420 US babies have been given the name, 99.7% of them girls and 0.2% boys. Its busiest decade was the 1980s, with 5,861 babies named Lyndsey.
Over the 10 years from 2016 to 2025, 270 US girls were named Lyndsey; the busiest of those years was 2016, with 52. In 2025 that was about 1 in 114,805 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Lindsey (165,286 babies since 1880), Lyndsay (6,716 babies since 1880), Lindsy (2,158 babies since 1880) and Lyndsie (1,473 babies since 1880). Rarer spellings such as Lyndzee and Lyndzy are summarised on this page.