Soo — unisex name

What the Data Says About Soo

The Social Security Administration has registered 193 babies named Soo between 1961 and 2004, spanning 44 consecutive years of U.S. birth records. As a girl's name, Soo currently falls outside the top 1,000 girls' names for 2004. The name reached its historical peak in 1990, when 14 babies received it in a single year. Soo is classified as unisex in SSA records: the opposite-sex variant accounts for 18 additional births since 1981.

Decade-level aggregation shows that Soo performed strongest in the 1990s, accumulating 64 births during that ten-year window. Across the 5 decades of recorded activity, Soo shows a clear decline from its mid-century high. Geographically, the name is most concentrated in California, which accounts for 5 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Soo in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Soo 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 193 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.