Onyx
Boy name · #365 in 2025 · Uniqueness 23/100
Onyx ranks #365 among American boys' names as of 2025, with 881 newborns given the name that year. A decade ago it stood at #1416, so the name has been rising over the past ten years. Roughly one in every 2,043 boys born in 2025 was named Onyx.
Babies named Onyx per year, 1880–2025. Source: SSA.
The 35-year story
Onyx first appears in the Social Security records in 1990, when 6 boys received the name. Its all-time peak is essentially right now: 2023, with 1,079 babies and a rank of #307. 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.
Unlock the 5-year forecast and compare Onyx against up to 5 other names.
Uniqueness: will there be another Onyx in class?
Onyx scores 23 out of 100 on our uniqueness scale, which blends current rarity with five-year momentum — putting it in the "popular" band. A low score means broad familiarity: teachers will spell it right, and your child may share it with a classmate. For many families that's a feature, not a bug.
Where Onyx is most common
Geography matters for names, and Onyx is no exception. In 2025 the states with the most Onyxs were CA (68), TX (66), FL (56), OH (52), GA (48). 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 Ozzy, Otto, Kylo, Koda, and Rome.
OzzyOttoKyloKodaRomeLennoxWellsLian
Rank history (last 25 years)
| Year | Babies named Onyx | Rank |
|---|---|---|
| 2025 | 881 | #365 |
| 2024 | 931 | #358 |
| 2023 | 1,079 | #307 |
| 2022 | 937 | #352 |
| 2021 | 768 | #404 |
| 2020 | 447 | #612 |
| 2019 | 323 | #744 |
| 2018 | 257 | #857 |
| 2017 | 188 | #1059 |
| 2016 | 175 | #1116 |
| 2015 | 121 | #1416 |
| 2014 | 92 | #1670 |
| 2013 | 78 | #1827 |
| 2012 | 81 | #1818 |
| 2011 | 57 | #2261 |
| 2010 | 59 | #2212 |
| 2009 | 60 | #2203 |
| 2008 | 41 | #2879 |
| 2007 | 31 | #3444 |
| 2006 | 29 | #3524 |
| 2005 | 20 | #4326 |
| 2004 | 26 | #3534 |
| 2003 | 17 | #4616 |
| 2002 | 20 | #4044 |
| 2001 | 15 | #4890 |
Frequently asked questions
Is Onyx a popular boy name?
Onyx ranked #365 among boys in 2025 with 881 babies given the name — inside the top 500: established but not ubiquitous. Ten years earlier it ranked #1416.
When was the name Onyx most popular?
Onyx peaked in 2023, when 1,079 American boys received the name (ranked #307 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 2,043 newborn American boys was named Onyx. It scores 23/100 on our uniqueness scale (rarity blended with momentum), which we classify as "popular".
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.