Karilyn — girls' name

What the Data Says About Karilyn

The Social Security Administration has registered 897 babies named Karilyn between 1934 and 2021, spanning 88 consecutive years of U.S. birth records. As a girl's name, Karilyn currently falls outside the top 1,000 girls' names for 2021. The name reached its historical peak in 1978, when 32 babies received it in a single year.

Decade-level aggregation shows that Karilyn performed strongest in the 1980s, accumulating 172 births during that ten-year window. Across the 10 decades of recorded activity, Karilyn shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Iowa, which accounts for 12 births — the largest state-level total in the dataset — followed by California and Michigan. In total, SSA state-level files list Karilyn in 3 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Karilyn 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 897 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.