Lux
Girl name · #2926 in 2025 · Very rare
How old is the name Lux? In official American birth records, Lux has been tracked continuously since 2001, giving it 24 years of documented American history.
Lux is currently the #2926 girl name in the United States — 58 babies received it in 2025. A decade ago it stood at #1984, so the name has been falling over the past ten years. Roughly one in every 31,034 girls born in 2025 was named Lux.
Babies named Lux per year. Source: Official national birth records.
The 24-year story
Lux first appears in the Social Security records in 2001, when 9 girls received the name. Its peak came in 2014, when 125 girls were named Lux — good for #1684 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. 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 Lux against up to 5 other names.
Uniqueness: will there be another Lux in class?
On our rarity read — which blends how common Lux is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Lux will likely be the only one in the room, with the occasional spelling-out as the price.
Where Lux is most common
State-level data for Lux 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 Lux
Statistically, parents drawn to Lux tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Lya, Layah, Ily, Livi, and Luca.
LyaLayahIlyLiviLucaLakeLeviLyriq
Rank history (last 25 years)
| Year | Babies named Lux | Rank |
|---|---|---|
| 2025 | 58 | #2895 |
| 2024 | 60 | #2798 |
| 2023 | 88 | #2156 |
| 2022 | 104 | #1918 |
| 2021 | 108 | #1851 |
| 2020 | 121 | #1687 |
| 2019 | 100 | #1949 |
| 2018 | 96 | #2026 |
| 2017 | 92 | #2097 |
| 2016 | 100 | #1986 |
| 2015 | 100 | #1984 |
| 2014 | 125 | #1684 |
| 2013 | 107 | #1880 |
| 2012 | 94 | #2047 |
| 2011 | 77 | #2395 |
| 2010 | 84 | #2274 |
| 2009 | 24 | #5709 |
| 2008 | 18 | #7073 |
| 2007 | 19 | #6812 |
| 2006 | 14 | #8237 |
| 2005 | 19 | #6245 |
| 2004 | 6 | #14179 |
| 2003 | 14 | #7580 |
| 2002 | 16 | #6698 |
| 2001 | 9 | #10102 |
Frequently asked questions
How old is the name Lux?
In official American birth records, the name Lux first appeared in 2001 (over 24 years ago), when 9 newborn girls received the name. It has been tracked in modern national records for 24 years.
Is Lux a popular girl name?
Lux ranked #2926 among girls in 2025 with 58 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #1984.
When was the name Lux most popular?
Lux peaked in 2014, when 125 American girls received the name (ranked #1684 that year). Since 2014 the name has declined from that high.
How rare is the name Lux?
In 2025, roughly 1 in 31,034 newborn American girls was named Lux. 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.