Onyx is an uncommon name used for both girls and boys that has climbed to its highest level yet, peaking in 2023.
Onyx is predominantly a boy name. In 2025 it ranked #365 among boys (881) and #1,410 among girls (155) — overall #638 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 1,036 | 1,036 | #1,410 | #365 |
| 2024 | 1,118 | 1,118 | #1,248 | #358 |
| 2023 | 1,271 | 1,271 | #1,228 | #307 |
| 2022 | 1,110 | 1,110 | #1,352 | #352 |
| 2021 | 942 | 942 | #1,303 | #405 |
| 2020 | 562 | 562 | #1,748 | #613 |
| 2019 | 418 | 418 | #2,028 | #744 |
| 2018 | 334 | 334 | #2,379 | #858 |
| 2017 | 258 | 258 | #2,536 | #1,060 |
| 2016 | 233 | 233 | #2,929 | #1,118 |
| 2015 | 159 | 159 | #3,967 | #1,426 |
| 2014 | 137 | 137 | #3,528 | #1,677 |
| 2013 | 111 | 111 | #4,402 | #1,845 |
| 2012 | 112 | 112 | #4,684 | #1,829 |
| 2011 | 75 | 75 | #7,048 | #2,278 |
| 2010 | 81 | 81 | #6,128 | #2,230 |
| 2009 | 84 | 92 | #5,850 | #2,222 |
| 2008 | 52 | 58 | #10,620 | #2,925 |
| 2007 | 56 | 56 | #5,656 | #3,490 |
| 2006 | 48 | 53 | #6,774 | #3,585 |
| 2005 | 32 | 38 | #9,311 | #4,421 |
| 2004 | 36 | 36 | #10,498 | #3,609 |
| 2003 | 29 | 29 | #8,927 | #4,756 |
| 2002 | 35 | 35 | #7,349 | #4,148 |
| 2001 | 33 | 33 | #6,248 | #5,074 |
| 2000 | 33 | 40 | #8,420 | #3,879 |
| 1999 | 15 | 15 | #12,322 | #7,675 |
| 1998 | 31 | 31 | #5,526 | #5,381 |
| 1997 | 29 | — | #7,612 | #4,003 |
| 1996 | 27 | — | #6,646 | #4,810 |
| 1995 | 24 | — | #6,525 | #5,793 |
| 1994 | 25 | — | #5,912 | #6,209 |
| 1993 | 30 | — | #5,866 | #4,390 |
| 1992 | 17 | — | #7,886 | #8,175 |
| 1991 | 6 | — | #12,641 | — |
| 1990 | 15 | — | #9,014 | #7,841 |
| 1989 | 8 | — | #9,394 | — |
| 1985 | 5 | — | #11,936 | — |
| 1918 | 5 | — | #5,394 | — |