Ki — boys' name

What the Data Says About Ki

The Social Security Administration has registered 426 babies named Ki between 1946 and 2022, spanning 77 consecutive years of U.S. birth records. As a boy's name, Ki currently falls outside the top 1,000 boys' names for 2022. The name reached its historical peak in 2002, when 20 babies received it in a single year. Ki is classified as unisex in SSA records: the opposite-sex variant accounts for 109 additional births since 1957.

Decade-level aggregation shows that Ki performed strongest in the 2000s, accumulating 114 births during that ten-year window. Across the 9 decades of recorded activity, Ki shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Kansas, which accounts for 6 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Ki in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Ki 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 426 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.