Marilouise — girls' name

What the Data Says About Marilouise

The Social Security Administration has registered 268 babies named Marilouise between 1914 and 1957, spanning 44 consecutive years of U.S. birth records. As a girl's name, Marilouise currently falls outside the top 1,000 girls' names for 1957. The name reached its historical peak in 1924, when 32 babies received it in a single year.

Decade-level aggregation shows that Marilouise performed strongest in the 1920s, accumulating 142 births during that ten-year window. Across the 5 decades of recorded activity, Marilouise shows a clear decline from its mid-century high. Geographically, the name is most concentrated in California, which accounts for 8 births — the largest state-level total in the dataset — followed by Illinois. In total, SSA state-level files list Marilouise in 2 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Marilouise 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 268 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.