Unisex name · Greek, English

Onyx

How to say it: ON-iks · /ˈɑnɪks/

From Greek 'onyx' meaning fingernail or claw; a black gemstone used as a name for its bold, sleek quality.

Onyx was the 372nd most popular boys’ name in the United States in 2025, given to 1,036 babies of either sex (Social Security Administration). The 2020s are its busiest decade so far, its births are up 6.3-fold in ten years, and it is projected to rise to #170 by 2030.

Updated · SSA 2025 data, published May 2026 · How we compute these figures

#372for boys in 2025
1 in 3,200US babies
1,036born in 2025
#170projected for 2030
2020sits peak decade
1 in 134chance a classmate shares it

Key facts

Key facts about Onyx
Rank among boys’ names, 2025#372
Babies born in 2025 (both sexes)1,036
Share of births1 in 3,200
Peak decade2020s
Change over 10 years×6.3
Projected rank for 2030 (estimate)#170

Sources: Social Security Administration (SSA). How we compute these figures.

Its life, decade by decade

New to the charts in recent decades, Onyx has risen to a high in the 2020s. It remains at peak level with continued rise anticipated.

1900195020002020–25
Peak: 295 per million births, 2020s.

What goes with it

Bold and crisp with a sleek edge, Onyx feels strong and creative with gemstone shine. Phoenix pairs in the same bold style.

Nicknames

  • Oni

In the classroom

In a class of 25 children born in 2025, the chance that another child is called Onyx is about 1 in 134.

Around the world

This spelling is used in English, Greek.

Famous people named Onyx

From Wikidata and Wikipedia

Keep exploring

Find names you'll both love, starting with Onyx

The one-minute style quiz.

Take the quiz

Or see the Vowel app →