Kaithlyn — #12517 US girls' name

What the Data Says About Kaithlyn

The Social Security Administration has registered 383 babies named Kaithlyn between 1985 and 2024, spanning 40 consecutive years of U.S. birth records. As a girl's name, Kaithlyn currently holds the #12517 rank among girls for 2024. The name reached its historical peak in 2002, when 21 babies received it in a single year.

Decade-level aggregation shows that Kaithlyn performed strongest in the 2000s, accumulating 170 births during that ten-year window. Across the 5 decades of recorded activity, Kaithlyn shows a clear decline from its mid-century high. Geographically, the name is most concentrated in California, which accounts for 41 births — the largest state-level total in the dataset — followed by New York and Texas. In total, SSA state-level files list Kaithlyn in 3 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Kaithlyn 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 383 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.