Jefferey — boys' name

What the Data Says About Jefferey

The Social Security Administration has registered 3,973 babies named Jefferey between 1943 and 2019, spanning 77 consecutive years of U.S. birth records. As a boy's name, Jefferey currently falls outside the top 1,000 boys' names for 2019. The name reached its historical peak in 1969, when 141 babies received it in a single year.

Decade-level aggregation shows that Jefferey performed strongest in the 1960s, accumulating 1,118 births during that ten-year window. Across the 8 decades of recorded activity, Jefferey shows a clear decline from its mid-century high. Geographically, the name is most concentrated in California, which accounts for 539 births — the largest state-level total in the dataset — followed by Texas and New York. In total, SSA state-level files list Jefferey in 22 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Jefferey 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 3,973 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.