Petronilo — boys' name

What the Data Says About Petronilo

The Social Security Administration has registered 57 babies named Petronilo between 1919 and 1990, spanning 72 consecutive years of U.S. birth records. As a boy's name, Petronilo currently falls outside the top 1,000 boys' names for 1990. The name reached its historical peak in 1919, when 10 babies received it in a single year.

Decade-level aggregation shows that Petronilo performed strongest in the 1920s, accumulating 16 births during that ten-year window. Across the 7 decades of recorded activity, Petronilo shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Texas, which accounts for 6 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Petronilo in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Petronilo 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 57 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.