Dois — boys' name

What the Data Says About Dois

The Social Security Administration has registered 96 babies named Dois between 1920 and 1949, spanning 30 consecutive years of U.S. birth records. As a boy's name, Dois currently falls outside the top 1,000 boys' names for 1949. The name reached its historical peak in 1923, when 9 babies received it in a single year. Dois is classified as unisex in SSA records: the opposite-sex variant accounts for 59 additional births since 1927.

Decade-level aggregation shows that Dois performed strongest in the 1920s, accumulating 49 births during that ten-year window. Across the 3 decades of recorded activity, Dois shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Texas, which accounts for 5 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Dois in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Dois 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 96 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.