Hillis — boys' name

What the Data Says About Hillis

The Social Security Administration has registered 408 babies named Hillis between 1912 and 1986, spanning 75 consecutive years of U.S. birth records. As a boy's name, Hillis currently falls outside the top 1,000 boys' names for 1986. The name reached its historical peak in 1919, when 16 babies received it in a single year.

Decade-level aggregation shows that Hillis performed strongest in the 1920s, accumulating 132 births during that ten-year window. Across the 8 decades of recorded activity, Hillis shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Missouri, which accounts for 6 births — the largest state-level total in the dataset — followed by Kentucky. In total, SSA state-level files list Hillis in 2 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Hillis 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 408 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.