Cathlyn — #8457 US girls' name

What the Data Says About Cathlyn

The Social Security Administration has registered 361 babies named Cathlyn between 1923 and 2024, spanning 102 consecutive years of U.S. birth records. As a girl's name, Cathlyn currently holds the #8457 rank among girls for 2024. The name reached its historical peak in 1953, when 18 babies received it in a single year.

Decade-level aggregation shows that Cathlyn performed strongest in the 1950s, accumulating 105 births during that ten-year window. Across the 10 decades of recorded activity, Cathlyn shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Texas, which accounts for 5 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Cathlyn in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Cathlyn 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 361 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.