Sumiko — girls' name

What the Data Says About Sumiko

The Social Security Administration has registered 618 babies named Sumiko between 1912 and 2011, spanning 100 consecutive years of U.S. birth records. As a girl's name, Sumiko currently falls outside the top 1,000 girls' names for 2011. The name reached its historical peak in 1927, when 39 babies received it in a single year.

Decade-level aggregation shows that Sumiko performed strongest in the 1920s, accumulating 296 births during that ten-year window. Across the 9 decades of recorded activity, Sumiko shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Hawaii, which accounts for 217 births — the largest state-level total in the dataset — followed by California and Texas. In total, SSA state-level files list Sumiko in 3 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Sumiko 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 618 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.