Lux
The lux is the unit of illuminance, or luminous flux per unit area, in the International System of Units (SI). It is equal to one lumen per square metre. In photometry, this is used as a measure of the irradiance, as perceived by the spectrally unequally responding human eye, of light that hits or passes through a surface.
- Various
Meaning & Origin of Lux
What this name means, where it came from, and how it has traveled across cultures.
The lux is the unit of illuminance, or luminous flux per unit area, in the International System of Units (SI). It is equal to one lumen per square metre. In photometry, this is used as a measure of the irradiance, as perceived by the spectrally unequally responding human eye, of light that hits or passes through a surface.
Source: Wikipedia (CC BY-SA 3.0). Read more →
Cultural Origins (via Behind the Name)
- Various
The Story of Lux
As a girl name
American parents first put Lux on the record books as a girl name in 2001, with 9 registered babies. Its peak popularity came in 2014, when 124 Luxs were born — ranking #1,691 that year. About 57% of every Lux on record arrived during the 2010s, its defining decade. As of 2026, Lux ranks #2,993 for girls with 55 births, falling sharply (-29%). All told, over 2K Americans have carried the name since 1880, from the 2000s to the 2020s.
As a boy name
The earliest SSA record of Lux as a boy name dates back to 2001, when 5 babies received it. 2022 was its biggest year on record, with 230 newborns named Lux — #979 in the national rankings. About 74% of every Lux on record arrived during the 2020s, its defining decade. As of 2026, Lux ranks #1,147 for boys with 185 births, rising sharply (+69% over the past five years). All told, over 2K Americans have carried the name since 1880, from the 2000s to the 2020s.
Popularity Over Time
Popularity by State
Names that sound like Lux
Phonetically similar names — useful when Lux is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.
Source: Datamuse . Phonetic similarity ranking, not curated.
Frequently Asked Questions about Lux
What does the name Lux mean?
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How popular is Lux in 2026?
When was Lux most popular?
In which U.S. states is Lux most popular?
Is Lux a unisex name?
What names go well with Lux?
About the name Lux
Lux is a unisex baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 2001 and has accumulated 2K births in the dataset. Lux's peak popularity came in 2022 when it ranked #979. Use the chart and map above to compare Lux's trajectory across years and U.S. states, or browse the related names section to discover similar choices.
Continue exploring
- Top names of 2022 →
- Names of the 2020s →
- Names starting with "L" →
- Browse all boy names →
- Top names of 2026 →
- Browse unisex names →
Data sources
- Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
- Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
- Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
- Predicted nationality distribution — Nationalize.io .
- Phonetically similar names — Datamuse .
Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.