Onyx is a distinctive girls' name in United States, ranking #1410 in 2025 with 155 recorded births. The name reached its all-time peak in 2023 with 192 births ranking #1228. Since 1996, the popularity has increased by 1,007.1%. In 2025, approximately 1 in every 10,369 girls born was named Onyx. FALLING Recent data shows the name is currently falling.
Onyx is a modern word name taken from the dark gemstone. It feels sleek, bold, and contemporary rather than traditional.
As a given name, Onyx is a recent adoption rather than a long historical personal name. Its rise reflects the popularity of gemstone and word-inspired naming.