Black gemstone
A modern spelling variation of Onyx, referring to the dark gemstone. The name is derived from the Greek word 'onyx', which literally means 'claw' or 'fingernail', referring to the stone's appearance.
Less common today
Onyxx isn't in the latest US Top 1000. It last peaked at #4,109 in 2023.
US births per 5-year period, 1990–present (SSA data).
