The first name Onyx
A unisex name.
2 syllables Unisex
Popularity
Babies registered in England and Wales, 1996–2025
In 2025, 31 boys were named Onyx, making it the 976th most popular boys’ name. It peaked in 2023, with 38 births (#843).
Office for National Statistics; years with fewer than three births are not published and show as zero. Compare Onyx with other names.
Popularity in the United States
Babies named Onyx at birth, 1880–2025
In 2025, 881 boys born in the United States were named Onyx, the 365th most popular boys’ name that year. It was used most in 2023, when 1,079 were.
US Social Security Administration, from applications for a Social Security card. A name is only published for a year when at least five babies were given it, so quieter years show as zero.
Famous people named Onyx
1 on Wikidata, most written-about first
- Onyx LorenzoniBrazilian politician, born 1954
Questions
- How popular is the name Onyx?
- In 2025, 31 boys born in England and Wales were named Onyx, ranking 976th. Its peak was 2023, with 38 births.
- Is Onyx a boy's or a girl's name?
- Both. Of the 8,632 US babies named Onyx since 1880, 21% were girls and 79% boys.
- When was Onyx most popular?
- 2023 in the United States, when 1,079 babies were named Onyx, its highest rank at 307th.