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