Sidnie — girls' name

What the Data Says About Sidnie

The Social Security Administration has registered 312 babies named Sidnie between 1990 and 2017, spanning 28 consecutive years of U.S. birth records. As a girl's name, Sidnie currently falls outside the top 1,000 girls' names for 2017. The name reached its historical peak in 2001, when 27 babies received it in a single year.

Decade-level aggregation shows that Sidnie performed strongest in the 2000s, accumulating 145 births during that ten-year window. Across the 3 decades of recorded activity, Sidnie 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 Sidnie in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Sidnie 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 312 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.