Eustacio — boys' name

What the Data Says About Eustacio

The Social Security Administration has registered 292 babies named Eustacio between 1915 and 2006, spanning 92 consecutive years of U.S. birth records. As a boy's name, Eustacio currently falls outside the top 1,000 boys' names for 2006. The name reached its historical peak in 1922, when 15 babies received it in a single year.

Decade-level aggregation shows that Eustacio performed strongest in the 1930s, accumulating 54 births during that ten-year window. Across the 10 decades of recorded activity, Eustacio shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Texas, which accounts for 84 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Eustacio in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Eustacio 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 292 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.