boy name
Onyx
Gender
Boy
Popularity
#365 · U.S. boys (2025)
Popularity of Onyx in the US, 1880–2025
Onyx first appears in US records in 1990. It peaked in 2023, when 1,079 boys were given the name; in 2025 there were 881.
Source: US Social Security Administration.
Frequently asked questions
Is Onyx a boy or a girl name?
Onyx is most commonly used as a boy name.
How popular is the name Onyx?
In 2025, Onyx ranked #365 among boys’ names in the United States, according to U.S. Social Security Administration data.
When was the name Onyx most popular?
Onyx was most popular in 2023, when about 1,079 US babies were given the name that year, according to US Social Security Administration records.