Dennison — #9956 US boys' name

What the Data Says About Dennison

The Social Security Administration has registered 760 babies named Dennison between 1915 and 2024, spanning 110 consecutive years of U.S. birth records. As a boy's name, Dennison currently holds the #9956 rank among boys for 2024. The name reached its historical peak in 1949, when 18 babies received it in a single year.

Decade-level aggregation shows that Dennison performed strongest in the 1980s, accumulating 118 births during that ten-year window. Across the 12 decades of recorded activity, Dennison shows a clear decline from its mid-century high. Geographically, the name is most concentrated in New Mexico, which accounts for 11 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Dennison in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Dennison 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 760 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.