Girl & boy name
Lux
As of 2025, Lux ranks #1166 among American boys' names, according to Social Security records. 177 boys received the name that year. The ranking has held remarkably steady over the last five years. SSA records for Lux go back to 2001; the peak came in 2022 at #979, with 230 babies named that year. Geographically, it's strongest in North Dakota, where it ranks #226 among boy names.
Rankings
Lux popularity, 1880–2025
Where Lux is most popular
Uniqueness score
Well known, but far from crowded — the middle of the field. Based on how many babies per birth were named Lux in the most recent year of SSA data.
Lux as a girl name
Lux is currently the #2895 girl name in the United States, based on 2025 Social Security data. In raw numbers: 58 babies. It has drifted down the charts over the past five years, from #1687 to #2895. Looking at the full record since 2001, Lux hit its all-time high of #1684 in 2014, when 125 girls were given the name. State by state, California leads the way at #2276.