Kolby — #1268 US boys' name

What the Data Says About Kolby

The Social Security Administration has registered 11,484 babies named Kolby between 1968 and 2024, spanning 57 consecutive years of U.S. birth records. As a boy's name, Kolby currently holds the #1268 rank among boys for 2024. The name reached its historical peak in 2001, when 739 babies received it in a single year. Kolby is classified as unisex in SSA records: the opposite-sex variant accounts for 1,308 additional births since 1978.

Decade-level aggregation shows that Kolby performed strongest in the 2000s, accumulating 4,729 births during that ten-year window. Across the 7 decades of recorded activity, Kolby shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Texas, which accounts for 1,281 births — the largest state-level total in the dataset — followed by California and Utah. In total, SSA state-level files list Kolby in 46 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Kolby 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 11,484 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.