Onyx

“A banded gemstone variety of chalcedony (quartz)” — Greek origin

Boy's name · #365 in the US (2025) · 2020s

Onyx has appeared in US records since 1990 — best rank #307 (2023) · 6,849 babies named Onyx all-time · 1 in 1,900 boys born in 2025.

Around the world: about 1 in 1,100 boys in New Zealand (2025) · about 1 in 3,500 boys in Canada (2024) · about 1 in 8,800 boys in England & Wales (2025).

Appears in 2020-2025 birth records of 43 states. See the full state-by-state map on this page.

Famous Onyxes

Onyx Lorenzoni — Brazilian politician

Browse more boy names — popularity, trends and eras for 5,700+ American names, free.