Thomasa — girls' name

What the Data Says About Thomasa

The Social Security Administration has registered 304 babies named Thomasa between 1921 and 1992, spanning 72 consecutive years of U.S. birth records. As a girl's name, Thomasa currently falls outside the top 1,000 girls' names for 1992. The name reached its historical peak in 1961, when 20 babies received it in a single year.

Decade-level aggregation shows that Thomasa performed strongest in the 1960s, accumulating 125 births during that ten-year window. Across the 8 decades of recorded activity, Thomasa shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Texas, which accounts for 8 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Thomasa in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Thomasa 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 304 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.