Isidor — #8976 US boys' name

What the Data Says About Isidor

The Social Security Administration has registered 411 babies named Isidor between 1883 and 2024, spanning 142 consecutive years of U.S. birth records. As a boy's name, Isidor currently holds the #8976 rank among boys for 2024. The name reached its historical peak in 1914, when 24 babies received it in a single year.

Decade-level aggregation shows that Isidor performed strongest in the 1910s, accumulating 160 births during that ten-year window. Across the 11 decades of recorded activity, Isidor shows a clear decline from its mid-century high. Geographically, the name is most concentrated in New York, which accounts for 97 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Isidor in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Isidor 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 411 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.