Seiko — boys' name

What the Data Says About Seiko

The Social Security Administration has registered 24 babies named Seiko between 1921 and 1925, spanning 5 consecutive years of U.S. birth records. As a boy's name, Seiko currently falls outside the top 1,000 boys' names for 1925. The name reached its historical peak in 1924, when 7 babies received it in a single year. Seiko is classified as unisex in SSA records: the opposite-sex variant accounts for 11 additional births since 1919.

Decade-level aggregation shows that Seiko performed strongest in the 1920s, accumulating 24 births during that ten-year window. Geographically, the name is most concentrated in Hawaii, which accounts for 23 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Seiko in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Seiko 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 24 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.