Fewer than five US girls were named Lindsy in 2025, so it does not appear in that year’s SSA list for girls. Its best rank for girls was #1,094, reached in 1982. That year also had the most girls given the name: 129. For comparison, it was #12,502 in 2015 and unranked in 1950.
Social Security card records list Lindsy in 49 years of the 146 from 1880 to 2025, starting in 1919 with 5 babies. In all, 2,158 US babies have been given the name, 99.7% of them girls and 0.2% boys. Its busiest decade was the 1980s, with 1,004 babies named Lindsy.
Over the 10 years from 2016 to 2025, 49 US girls were named Lindsy; the busiest of those years was 2017, with 12.
Related spellings in the SSA files include Lindsey (165,286 babies since 1880), Lyndsey (14,420 babies since 1880) and Lyndsi (1,043 babies since 1880). Rarer spellings such as Lindzi are summarised on this page.