Mieczyslaw — boys' name

What the Data Says About Mieczyslaw

The Social Security Administration has registered 96 babies named Mieczyslaw between 1913 and 1921, spanning 9 consecutive years of U.S. birth records. As a boy's name, Mieczyslaw currently falls outside the top 1,000 boys' names for 1921. The name reached its historical peak in 1917, when 16 babies received it in a single year.

Decade-level aggregation shows that Mieczyslaw performed strongest in the 1910s, accumulating 80 births during that ten-year window. Across the 2 decades of recorded activity, Mieczyslaw shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Massachusetts, which accounts for 21 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Mieczyslaw in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Mieczyslaw 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 96 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.