Onyx
Meaningclaw, fingernail · Greek
- US rank
- #365
- Syllables
- 2
- Peak
- #307 in 2023
881 babies were named Onyx in the US in 2025. It has climbed 247 places in five years.
Found on lists
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US births per million girls, 1918–2025
US births per million boys, 1990–2025
Most popular states (2025)
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Onyx you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- How commonAbout 1 in every 1,939 baby boys born in the US in 2025 was named Onyx, 881 babies in all. In a typical school of 500 kids, your Onyx would very likely be the only one.
- HistoryOnyx first shows up in US birth records in 1918, the first year at least 5 babies got it. It has been in use for 107 years since.
- Best yearIts best year was 2023, when it reached #307.
- Then vs nowOnyx is 48× more common today than it was in 2000. In 2000 it was given to about 1 in 93,458 baby boys; in 2025, about 1 in 1,939.
- TrendOnyx has climbed 247 places in the US rankings over the last five years and now sits at #365. Fast risers like this often keep climbing, so expect to hear it more.
- Where it's lovedOnyx is most popular in Nevada, where it ranks #187, followed by North Dakota (#226) and New Hampshire (#230). It's in the top 1,000 in 39 states.
- Boy or girlOnyx is given to both boys and girls: 85% of the 1,036 babies named Onyx in 2025 were boys. That makes it one of the names that truly works for either.
- MeaningIn Greek, Onyx means “claw, fingernail”.
About the name Onyx
Onyx is a gender-neutral name of English origin meaning “claw, fingernail”. It has 4 letters and 2 syllables, starting with O and ending in “-nyx”. US birth records list Onyx for boys from 1990 to 2025, in 35 of those 36 years. Its best year was 2023, when it ranked #307 among boy names. In 2025 it ranked #365, with 881 babies. Of the 1,036 US babies named Onyx in 2025, 15% were girls and 85% were boys.
Origin:English names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1910s | 2.1 | 465,116 girls |
| 1980s | 0.7 | 1,388,889 girls |
| 1990s | 6.9 | 144,300 girls |
| 2000s | 8.5 | 117,233 girls |
| 2010s | 28 | 35,638 girls |
| 2020s | 102 | 9,770 girls |
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1990s | 4.9 | 202,429 boys |
| 2000s | 14 | 71,582 boys |
| 2010s | 77 | 12,970 boys |
| 2020s | 487 | 2,054 boys |
More English names
- Girl name: Olivia · olive tree
- Girl name: Charlotte · free
- Boy name: Oliver · olive tree
- Boy name: Henry · ruler of the home
- Unisex name: James · supplanter
- Boy name: William · resolute protector
- Boy name: Benjamin · son of the right hand
- Boy name: Jack · God is gracious
Questions about the name Onyx
What does the name Onyx mean?
Onyx means “claw, fingernail” in Greek.
What is the origin of the name Onyx?
Onyx has English roots in our records. Other English names include Olivia, Charlotte, Oliver.
Is Onyx a boy or girl name?
Both. Onyx is used for boys and girls: in 2025, 15% of US babies named Onyx were girls.
How popular is the name Onyx?
Onyx ranked #365 for US boys in 2025, given to 881 babies. Its best year was 2023 (#307).