BabyNameLens · Girl names · Boy names
“A banded gemstone variety of chalcedony (quartz)” — Greek origin
Girl's name · #1410 in the US (2025) · 2020s
Onyx is near its high-water mark: it reached #1228 in 2023 and still ranked #1410 in 2025. About 1,800 girls have carried it since 1918. About 84% of babies named Onyx in recent years have been boys.
Appears in 2020-2025 birth records of 19 states. See the full state-by-state map on this page.
Similar names: Atlas · Honey · Andromeda · Nyx · Artemis · Alessa
Browse more girl names — popularity, trends and eras for 5,700+ American names, free.