Onyx
Girl name · #1406 in 2025 · Uniqueness 55/100
Onyx ranks #1406 among American girls' names as of 2025, with 155 newborns given the name that year. A decade ago it stood at #3915, so the name has been rising over the past ten years. Roughly one in every 11,613 girls born in 2025 was named Onyx.
The 107-year story
Onyx first appears in the Social Security records in 1918, when 5 girls received the name. Its all-time peak is essentially right now: 2023, with 192 babies and a rank of #1226. Names at their peak can keep climbing — or be one trend cycle from the long slide that eventually hits most popular names. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Babies named Onyx per year, 1880–2025. Source: SSA.
Unlock the 5-year forecast and compare Onyx against up to 5 other names.
Uniqueness: will there be another Onyx in class?
Onyx scores 55 out of 100 on our uniqueness scale, which blends current rarity with five-year momentum — putting it in the "distinctive" band. That middle band is the sweet spot many parents hunt for: recognizable without being everywhere.
Where Onyx is most common
Geography matters for names, and Onyx is no exception. In 2025 the states with the most Onyxs were CA (13), GA (13), FL (11), TX (10), OH (9). Raw counts naturally favor populous states, but the spread still hints at where the name is part of the local naming culture.
Names like Onyx
Statistically, parents drawn to Onyx tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Nyx, Gaia, True, Nami, and Navi.
NyxGaiaTrueNamiNaviLeniMaevaAlya
Rank history (last 25 years)
| Year | Babies named Onyx | Rank |
|---|---|---|
| 2025 | 155 | #1406 |
| 2024 | 187 | #1242 |
| 2023 | 192 | #1226 |
| 2022 | 173 | #1350 |
| 2021 | 174 | #1301 |
| 2020 | 115 | #1743 |
| 2019 | 95 | #2011 |
| 2018 | 77 | #2361 |
| 2017 | 70 | #2530 |
| 2016 | 58 | #2902 |
| 2015 | 38 | #3915 |
| 2014 | 45 | #3486 |
| 2013 | 33 | #4336 |
| 2012 | 31 | #4601 |
| 2011 | 18 | #6855 |
| 2010 | 22 | #5977 |
| 2009 | 24 | #5709 |
| 2008 | 11 | #10084 |
| 2007 | 25 | #5526 |
| 2006 | 19 | #6592 |
| 2005 | 12 | #8883 |
| 2004 | 10 | #9892 |
| 2003 | 12 | #8505 |
| 2002 | 15 | #7045 |
| 2001 | 18 | #6067 |
Frequently asked questions
Is Onyx a popular girl name?
Onyx ranked #1406 among girls in 2025 with 155 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #3915.
When was the name Onyx most popular?
Onyx peaked in 2023, when 192 American girls received the name (ranked #1226 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Onyx?
In 2025, roughly 1 in 11,613 newborn American girls was named Onyx. It scores 55/100 on our uniqueness scale (rarity blended with momentum), which we classify as "distinctive".
Data source: U.S. Social Security Administration name statistics, 1880–2025, national and state files. Counts reflect Social Security card applications; names with fewer than 5 occurrences in a state-year are suppressed by the SSA.