Boy Name · English Origin
Knox
Last reviewed: June 2026
Considering Knox? It is a boy name whose meaning is "Pure hearted", rooted in English naming tradition, and ranks in our Rare popularity tier. Phonetically it shares territory with King.
Names like Knox
Frequently asked about Knox
What does the name Knox mean?
Knox means "Pure hearted" and is of English origin.
What is the origin of Knox?
Knox originates in English naming tradition.
How do you pronounce Knox?
Knox has 4 letters and is most commonly stressed on the first syllable.
Is Knox a boy's or girl's name?
Knox is primarily used as a boy's name in US records.
How popular is Knox in 2026?
In our 2026 popularity tracker, Knox sits in the Rare tier — an uncommon, standout choice.
What names are similar to Knox?
Names that share Knox's sound and style include King, Kong, Kenzo, Kenji, Kinsey.