Sigfredo — boys' name

What the Data Says About Sigfredo

The Social Security Administration has registered 252 babies named Sigfredo between 1951 and 2000, spanning 50 consecutive years of U.S. birth records. As a boy's name, Sigfredo currently falls outside the top 1,000 boys' names for 2000. The name reached its historical peak in 1958, when 14 babies received it in a single year.

Decade-level aggregation shows that Sigfredo performed strongest in the 1970s, accumulating 88 births during that ten-year window. Across the 6 decades of recorded activity, Sigfredo shows a clear decline from its mid-century high. Geographically, the name is most concentrated in New York, which accounts for 54 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Sigfredo in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Sigfredo 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 252 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.