Nyx
Boy name · #4042 in 2025 · Very rare
How old is the name Nyx? In official American birth records, Nyx has been tracked continuously since 2012, giving it 13 years of documented American history.
In 2025, 27 baby boys were named Nyx, placing it at #4042 in the official national rankings. It has appeared in the national data since 2012. Roughly one in every 66,667 boys born in 2025 was named Nyx.
The 13-year story
Nyx first appears in the Social Security records in 2012, when 6 boys received the name. Its all-time peak is essentially right now: 2025, with 27 babies and a rank of #3949. 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 Nyx per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Nyx against up to 5 other names.
Uniqueness: will there be another Nyx in class?
On our rarity read — which blends how common Nyx is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Nyx will likely be the only one in the room, with the occasional spelling-out as the price.
Where Nyx is most common
State-level data for Nyx is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Names like Nyx
Statistically, parents drawn to Nyx tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Lenyx, Nylo, Nox, Nouh, and Nasai.
LenyxNyloNoxNouhNasaiLynxNyyearEuro
Rank history (last 25 years)
| Year | Babies named Nyx | Rank |
|---|---|---|
| 2025 | 27 | #3949 |
| 2024 | 26 | #4072 |
| 2023 | 25 | #4220 |
| 2022 | 25 | #4184 |
| 2021 | 8 | #8825 |
| 2020 | 8 | #8739 |
| 2019 | 6 | #10803 |
| 2018 | 7 | #9670 |
| 2012 | 6 | #10770 |
Frequently asked questions
How old is the name Nyx?
In official American birth records, the name Nyx first appeared in 2012 (over 13 years ago), when 6 newborn boys received the name. It has been tracked in modern national records for 13 years.
Is Nyx a popular boy name?
Nyx ranked #4042 among boys in 2025 with 27 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked outside the reported range.
When was the name Nyx most popular?
Nyx peaked in 2025, when 27 American boys received the name (ranked #3949 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Nyx?
In 2025, roughly 1 in 66,667 newborn American boys was named Nyx. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.