Mortimer — boys' name

What the Data Says About Mortimer

The Social Security Administration has registered 1,943 babies named Mortimer between 1880 and 2023, spanning 144 consecutive years of U.S. birth records. As a boy's name, Mortimer currently falls outside the top 1,000 boys' names for 2023. The name reached its historical peak in 1916, when 91 babies received it in a single year.

Decade-level aggregation shows that Mortimer performed strongest in the 1910s, accumulating 645 births during that ten-year window. Across the 12 decades of recorded activity, Mortimer shows a clear decline from its mid-century high. Geographically, the name is most concentrated in New York, which accounts for 786 births — the largest state-level total in the dataset — followed by New Jersey and Illinois. In total, SSA state-level files list Mortimer in 7 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Mortimer 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 1,943 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.