An estimated 6,793 living Americans are named Onyx.
How rare is Onyx?
Onyx is moderately uncommon among babies today, with 881 boys receiving the name in 2025, down 18.4% from its 2023 peak.
How old is the typical Onyx?
The median age of a living American named Onyx is approximately 4 years, with most bearers falling between 2 and 7 years old.
Is Onyx still popular?
Yes — Onyx is currently rising in popularity, with 881 births in 2025. Births this decade are running about 9.2× higher than the previous decade.
Where is Onyx most common?
Onyx has its strongest geographic signal in Nevada, where it appears 2.2× more often than the national baseline.
1990Peak 20232025
Peak year
2023
Decline from peak
18.4%
2025
881
All-time
6,849
Diaspora map
Onyx spread fast — broke out in Connecticut, Hawaii, Idaho, Indiana, Iowa, Kansas, Louisiana, Nevada, New Mexico, North Dakota, Oklahoma, Oregon, West Virginia, and Wisconsin (2021) and ran high in 24 states within a decade.
Broke out: Connecticut, Hawaii, Idaho, Indiana, Iowa, Kansas, Louisiana, Nevada, New Mexico, North Dakota, Oklahoma, Oregon, West Virginia, and Wisconsin, 2021 · over-represented in 24 states over 3 years
