Sidnee — girls' name

What the Data Says About Sidnee

The Social Security Administration has registered 636 babies named Sidnee between 1940 and 2019, spanning 80 consecutive years of U.S. birth records. As a girl's name, Sidnee currently falls outside the top 1,000 girls' names for 2019. The name reached its historical peak in 1999, when 39 babies received it in a single year.

Decade-level aggregation shows that Sidnee performed strongest in the 2000s, accumulating 284 births during that ten-year window. Across the 6 decades of recorded activity, Sidnee shows a clear decline from its mid-century high. Geographically, the name is most concentrated in California, which accounts for 11 births — the largest state-level total in the dataset — followed by Ohio and Texas. In total, SSA state-level files list Sidnee in 4 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Sidnee 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 636 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.