US rank #358 Unisex name Peak 2023 5,954 births

Onyx — #358 US boys' name

5,954 babies named Onyx in U.S. Social Security records since 1990, with the highest year being 2023. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1990s952000s2802010s14302020s4149
#358
of 14,243 boys in use

More common than 97% of names given to boys today.

2020s
Peak decade

70% of everyone ever named Onyx was born in this single decade.

2023
Single peak year

1,077 babies were named Onyx in 2023 — its busiest year on record.

What the Data Says About Onyx

The Social Security Administration has registered 5,954 babies named Onyx between 1990 and 2024, spanning 35 consecutive years of U.S. birth records. As a boy's name, Onyx currently holds the #358 rank among boys for 2024. The name reached its historical peak in 2023, when 1,077 babies received it in a single year. Onyx is classified as unisex in SSA records: the opposite-sex variant accounts for 1,627 additional births since 1918.

Decade-level aggregation shows that Onyx performed strongest in the 2020s, accumulating 4,149 births during that ten-year window. Across the 4 decades of recorded activity, Onyx shows a stable profile with only moderate drift from its peak decade. Geographically, the name is most concentrated in California, which accounts for 529 births — the largest state-level total in the dataset — followed by Florida and Texas. In total, SSA state-level files list Onyx in 44 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Onyx in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 5,954 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.

Onyx at a glance

Top 1,000 boys' name

Total births

5,954

Since 1990

35 years of records

Peak year

2023

1,077 births that year

Strongest decade: 2020s

Current rank

#358

Among boys

As of 2024

Active since

1990

Recorded for 35 years

Last year on file: 2024

Onyx popularity over time — boys

Annual U.S. births registered with the Social Security Administration · 2024–1990

Top 1,000 boys' name
Peak year (2023)
1,077
Annual births at peak — across 35 years of records
-50005001,0001,500 20242019201420092004199919941990 6

Onyx popularity over time — girls

1,627 total births recorded since 1918 (Onyx as girls' name)

Unisex variant — 1,627 births
-50050100150200250 202420192014200920041999199419891918 5

Onyx by decade

Total births in each ten-year window — peak vs trough at a glance

Peak: 2020s
Peak decade
2020s
4,149 births that decade — 70% of Onyx's all-time total
1990s952000s2802010s14302020s4149

Onyx by state

Where Onyx concentrates geographically — total births since 1990

Geographically diffuse
Top 8 states by recorded births for the name Onyx
Rank State Visual share Births Share of total
#1 California
529 8.9%
#2 Florida
361 6.1%
#3 Texas
356 6.0%
#4 New York
271 4.6%
#5 Ohio
268 4.5%
#6 Georgia
240 4.0%
#7 Michigan
176 3.0%
#8 Illinois
174 2.9%
California share of Onyx's total US births 8.9%
Even split

529 of 5,954 births nationwide. Compared to a flat distribution across 44 reporting states.

Onyx appears in 44 states. Explore state details →

Frequently Asked Questions

How popular is the name Onyx?
5,954 babies have been named Onyx since 1990. It currently ranks #358 among boys. The peak year was 2023 with 1,077 births.
When was Onyx most popular?
Onyx was most popular in the 2020s decade with 4,149 total births. The single peak year was 2023.
Where is Onyx most popular?
The top states for the name Onyx are California (529 births), Florida (361 births), Texas (356 births).
Is Onyx a unisex name?
Yes, Onyx is used for both boys and girls. As a boy's name it has 5,954 births, and as a girl's name it has 1,627 births.
How long has the name Onyx been used?
Onyx has been recorded in Social Security data since 1990, spanning 35 years of data through 2024.
What names are similar to Onyx?
Names with a similar sound or spelling include Onyxx, Onyekachi, Onyedikachi, Onyekachukwu. These share a common prefix and are also used for boys.

Data Sources

Data as of 2024. Source: U.S. Social Security Administration (SSA).

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 1990–2024 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.

State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.