Onyx — Meaning, Origin & Everything to Know
Onyx means 'the black onyx gemstone' — a Greek name from Greek.
Onyx is an Greek name whose meaning — 'the black onyx gemstone' — gives it a quiet depth beyond its sound. Part of the draw of Onyx is that it feels current without being invented, and meaningful without being heavy. Rooted in Greek, Onyx suits parents who want a name that feels distinctive yet easy to wear. As a child's name, Onyx suggests resilience, power and steadfastness and travels comfortably across languages.
| Name | Onyx |
|---|---|
| Meaning | At its core, Onyx carries the meaning 'the black onyx gemstone', rooted in Greek |
| Origin | Greek |
| Language | Greek |
| Gender | Unisex |
| Numerology number | 6 |
| Pronunciation | O-nyx |
| Popularity tier | Tier 3 |
What Does the Name Onyx Mean?
At its core, Onyx carries the meaning 'the black onyx gemstone', rooted in Greek.
Historically, Onyx took shape among Greek speakers, for whom naming a child was an act of meaning. Onyx survived centuries of use precisely because 'the black onyx gemstone' stayed legible — the meaning never drifted far.
Today Onyx reads as approachable and contemporary, even though its meaning of 'the black onyx gemstone' is anything but new. That mix of everyday wearability and real meaning is a large part of why Onyx found favour around the 2020s.
Symbolically, Onyx leans toward resilience, power and steadfastness, with its Greek roots adding heritage to that idea.
Origin & Etymology of Onyx
Greek · Greek
Onyx comes from Greek, where it means 'the black onyx gemstone'. Onyx spread outward with migration, recognised now well beyond its Greek origin and worn across very different cultures.
Within Greek culture, Onyx connects to enduring values through its idea of resilience, power and steadfastness.
How Greek names are chosen
Greek naming is close to an algorithm, which is why the same names recur down a family for centuries: the eldest son takes his paternal grandfather's name and the eldest daughter her paternal grandmother's, with later children drawing on the mother's side. The name is usually settled within the first week or ten days, the christening following at around forty days, and by custom the godfather has the final word. Because so many names are saints' names, most Greeks keep a name day — the saint's feast — as well as a birthday, and it is often the more sociable of the two. Regional patron saints show up plainly in the distribution: Spyridon clusters on Corfu, Gerasimos on Kefalonia, Dionysios on Zakynthos.
How to Pronounce Onyx
O-nyx — Onyx is usually said in 2 parts — O · nyx. From Greek roots: vowels are open and clearly sounded.
Popularity of the Name Onyx
Onyx has been climbing in recent years, with its momentum centred on the 2020s.
Popularity trends are based on historical naming pattern data and updated periodically, not real-time rankings.
Personality Traits Associated with Onyx
Ask around and Onyx is usually described as resilient and dependable. Some of that comes from the meaning 'the black onyx gemstone', and some from the simple shape of the sound. Where names are tied to character, Onyx is read as a name of resilience, power and steadfastness. A name is only a starting impression, and Onyx's happens to be a kindly one — a quiet plus that frames the numerology and zodiac notes below.
Onyx Numerology
The name Onyx carries the numerology number 6.
Run Onyx through Pythagorean numerology and it settles on 6 — the Nurturer — love and responsibility. Set beside the meaning 'the black onyx gemstone', the 6 adds another layer for parents who weigh numerology when naming.
Onyx & Zodiac Connection
If you like to pair names with star signs, Onyx leans toward determined Capricorn and bold Aries.
Curious what your baby's zodiac sign reveals? Explore GetMyHoro →
Names Similar to Onyx
Sibling Names That Go With Onyx
- Onyx & Stone — Pairs naturally with Onyx without echoing it.
- Onyx & Flint — A like-minded match in feel for Onyx.
- Onyx & Jet — Sits comfortably beside Onyx as a sibling name.
- Onyx & Emery — Shares a complementary sound and style with Onyx.
- Onyx & Amari — Pairs naturally with Onyx without echoing it.
- Onyx & Storm — A like-minded match in feel for Onyx.
Middle Names for Onyx
Onyx Blue · Onyx River · Onyx Quinn · Onyx Reese · Onyx Sky · Onyx True
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+What does the name Onyx mean?
Onyx means 'the black onyx gemstone'. It comes from Greek and is linked with resilience, power and steadfastness, which makes it a meaningful choice for a child.
+What is the origin of Onyx?
Onyx is Greek in origin, from Greek.
+What is the numerology number for Onyx?
In Pythagorean numerology Onyx reduces to 6 — the Nurturer — love and responsibility.
+Is Onyx a popular name?
Onyx has been rising in popularity, with its strongest momentum in the 2020s.
+Is Onyx suitable for any gender?
Yes — Onyx works beautifully as a unisex name and is given to children of any gender.
+What names pair well with Onyx for a sibling?
Names such as Stone, Flint, Jet sit well beside Onyx, sharing a complementary style.