Ysidoro — boys' name

What the Data Says About Ysidoro

The Social Security Administration has registered 35 babies named Ysidoro between 1921 and 1956, spanning 36 consecutive years of U.S. birth records. As a boy's name, Ysidoro currently falls outside the top 1,000 boys' names for 1956. The name reached its historical peak in 1929, when 7 babies received it in a single year.

Decade-level aggregation shows that Ysidoro performed strongest in the 1920s, accumulating 29 births during that ten-year window. Across the 2 decades of recorded activity, Ysidoro shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Texas, which accounts for 11 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Ysidoro in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Ysidoro 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 35 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.