Adelfo — boys' name

What the Data Says About Adelfo

The Social Security Administration has registered 69 babies named Adelfo between 1989 and 2023, spanning 35 consecutive years of U.S. birth records. As a boy's name, Adelfo currently falls outside the top 1,000 boys' names for 2023. The name reached its historical peak in 1993, when 8 babies received it in a single year.

Decade-level aggregation shows that Adelfo performed strongest in the 2000s, accumulating 44 births during that ten-year window. Across the 4 decades of recorded activity, Adelfo shows a clear decline from its mid-century high.

No etymological entry is currently available for Adelfo 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 69 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.