Natsuko — girls' name

What the Data Says About Natsuko

The Social Security Administration has registered 155 babies named Natsuko between 1913 and 1994, spanning 82 consecutive years of U.S. birth records. As a girl's name, Natsuko currently falls outside the top 1,000 girls' names for 1994. The name reached its historical peak in 1925, when 17 babies received it in a single year.

Decade-level aggregation shows that Natsuko performed strongest in the 1920s, accumulating 88 births during that ten-year window. Across the 4 decades of recorded activity, Natsuko shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Hawaii, which accounts for 63 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Natsuko in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Natsuko 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 155 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.