Sonji — girls' name

What the Data Says About Sonji

The Social Security Administration has registered 904 babies named Sonji between 1951 and 1991, spanning 41 consecutive years of U.S. birth records. As a girl's name, Sonji currently falls outside the top 1,000 girls' names for 1991. The name reached its historical peak in 1966, when 225 babies received it in a single year.

Decade-level aggregation shows that Sonji performed strongest in the 1960s, accumulating 629 births during that ten-year window. Across the 5 decades of recorded activity, Sonji shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Illinois, which accounts for 66 births — the largest state-level total in the dataset — followed by Georgia and New York. In total, SSA state-level files list Sonji in 19 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Sonji 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 904 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.