Masanori — boys' name

What the Data Says About Masanori

The Social Security Administration has registered 60 babies named Masanori between 1916 and 1930, spanning 15 consecutive years of U.S. birth records. As a boy's name, Masanori currently falls outside the top 1,000 boys' names for 1930. The name reached its historical peak in 1923, when 7 babies received it in a single year.

Decade-level aggregation shows that Masanori performed strongest in the 1920s, accumulating 35 births during that ten-year window. Across the 3 decades of recorded activity, Masanori shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Hawaii, which accounts for 21 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Masanori in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Masanori 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 60 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.