Louis — #236 US boys' name

What the Data Says About Louis

The Social Security Administration has registered 405,059 babies named Louis between 1880 and 2024, spanning 145 consecutive years of U.S. birth records. As a boy's name, Louis currently holds the #236 rank among boys for 2024. The name reached its historical peak in 1921, when 7,247 babies received it in a single year.

Decade-level aggregation shows that Louis performed strongest in the 1920s, accumulating 67,693 births during that ten-year window. Across the 15 decades of recorded activity, Louis shows a clear decline from its mid-century high. Geographically, the name is most concentrated in New York, which accounts for 59,782 births — the largest state-level total in the dataset — followed by Pennsylvania and California. In total, SSA state-level files list Louis in 51 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Louis 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 405,059 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.