Fewer than five US girls were named Leslee in 2025, so it does not appear in that year’s SSA list for girls. Its best rank for girls was #825, reached in 1946. The most girls given the name in a single year was 126, in 1957. For comparison, it was #8,258 in 2015 and #992 in 1950.
Social Security card records list Leslee in 88 years of the 146 from 1880 to 2025, starting in 1922 with 8 babies. In all, 5,001 US babies have been given the name, 98% of them girls and 1.9% boys. Its busiest decade was the 1950s, with 1,058 babies named Leslee.
Over the 10 years from 2016 to 2025, 63 US girls were named Leslee; the busiest of those years was 2022, with 12.
Related spellings in the SSA files include Leslie (383,418 babies since 1880), Lesley (39,098 babies since 1880), Lesly (15,785 babies since 1880) and Lesli (5,799 babies since 1880).