Knox is a moderately popular boys' name in United States, ranking #196 in 2025 with 1,836 recorded births. The name reached its all-time peak in 2022 with 1,900 births ranking #199. Since 1996, the popularity has increased by 10,700.0%. In 2025, approximately 1 in every 930 boys born was named Knox. STABLE Recent data shows the name is currently stable.
Knox is a sharp Scottish surname-style name meaning "round hill". Its appeal comes from its clean, strong sound much more than from its quiet landscape meaning.
The name moved into modern first-name use through the popularity of compact surname names. It feels confident, contemporary, and slightly rugged.