Lilliam — #13461 US girls' name

What the Data Says About Lilliam

The Social Security Administration has registered 825 babies named Lilliam between 1886 and 2024, spanning 139 consecutive years of U.S. birth records. As a girl's name, Lilliam currently holds the #13461 rank among girls for 2024. The name reached its historical peak in 1966, when 23 babies received it in a single year.

Decade-level aggregation shows that Lilliam performed strongest in the 1960s, accumulating 166 births during that ten-year window. Across the 14 decades of recorded activity, Lilliam shows a clear decline from its mid-century high. Geographically, the name is most concentrated in New York, which accounts for 190 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Lilliam in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Lilliam 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 825 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.