Dyan — unisex name

What the Data Says About Dyan

The Social Security Administration has registered 1,804 babies named Dyan between 1939 and 2011, spanning 73 consecutive years of U.S. birth records. As a girl's name, Dyan currently falls outside the top 1,000 girls' names for 2011. The name reached its historical peak in 1970, when 128 babies received it in a single year. Dyan is classified as unisex in SSA records: the opposite-sex variant accounts for 116 additional births since 1989.

Decade-level aggregation shows that Dyan performed strongest in the 1970s, accumulating 656 births during that ten-year window. Across the 9 decades of recorded activity, Dyan shows a clear decline from its mid-century high. Geographically, the name is most concentrated in California, which accounts for 171 births — the largest state-level total in the dataset — followed by New York and Pennsylvania. In total, SSA state-level files list Dyan in 13 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Dyan 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 1,804 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.