Lux is an uncommon name used for both girls and boys that peaked in 2022 and remains in steady use.
Lux is predominantly a girl name. In 2025 it ranked #2,918 among girls (58) and #1,168 among boys (177) — overall #1,993 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 235 | 235 | #2,918 | #1,168 |
| 2024 | 224 | 224 | #2,810 | #1,227 |
| 2023 | 269 | 269 | #2,166 | #1,154 |
| 2022 | 334 | 334 | #1,925 | #981 |
| 2021 | 299 | 299 | #1,854 | #1,099 |
| 2020 | 262 | 262 | #1,693 | #1,292 |
| 2019 | 210 | 210 | #1,957 | #1,539 |
| 2018 | 181 | 181 | #2,037 | #1,801 |
| 2017 | 122 | 122 | #2,105 | #3,636 |
| 2016 | 133 | 133 | #1,991 | #3,408 |
| 2015 | 132 | 132 | #1,991 | #3,482 |
| 2014 | 152 | 152 | #1,689 | #3,856 |
| 2013 | 133 | 133 | #1,885 | #3,921 |
| 2012 | 115 | 115 | #2,055 | #4,620 |
| 2011 | 95 | 95 | #2,406 | #5,111 |
| 2010 | 109 | 109 | #2,283 | #4,063 |
| 2009 | 38 | 38 | #5,820 | #6,304 |
| 2008 | 23 | 23 | #7,263 | #13,805 |
| 2007 | 27 | 27 | #6,988 | #9,418 |
| 2006 | 19 | 19 | #8,527 | #13,251 |
| 2005 | 19 | 19 | #6,434 | — |
| 2004 | 6 | 6 | #15,295 | — |
| 2003 | 14 | 14 | #7,830 | — |
| 2002 | 16 | 16 | #6,915 | — |
| 2001 | 14 | 14 | #10,639 | #11,650 |