Leslie — #604 US unisex name

What the Data Says About Leslie

The Social Security Administration has registered 270,029 babies named Leslie between 1880 and 2024, spanning 145 consecutive years of U.S. birth records. As a girl's name, Leslie currently holds the #604 rank among girls for 2024. The name reached its historical peak in 1957, when 6,103 babies received it in a single year. Leslie is classified as unisex in SSA records: the opposite-sex variant accounts for 112,958 additional births since 1880.

Decade-level aggregation shows that Leslie performed strongest in the 1960s, accumulating 54,451 births during that ten-year window. Across the 15 decades of recorded activity, Leslie shows a clear decline from its mid-century high. Geographically, the name is most concentrated in California, which accounts for 43,346 births — the largest state-level total in the dataset — followed by Texas and New York. In total, SSA state-level files list Leslie in 51 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Leslie in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 270,029 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.