Lex
Lex was the 2322nd most popular name for boys in 2025, given to 60 babies. Its best year was 1956, when it ranked 913th; the most babies were born in 2012 (94). Over the last ten years it has moved down 241 places. More babies were named Lex in the 2010s than in any other decade.
Meaning Not yet researched how we research meanings
- Rank in 2025
- #2,322 boys, down 515 places since 2020
- Babies in 2025
- 60boys
- Girls and boys
- Almost always a boy’s name2021–2025
- Peak year
- 201294 babies
- Total since 1880
- 4,010babies recorded
Lex popularity since 1880
A few girls are given the name too: 15 since 2016.
| Year | Rank (boys) | Babies (boys) |
|---|---|---|
| 2025 | #2,322 | 60 |
| 2020 | #1,807 | 83 |
| 2010 | #1,863 | 78 |
| 2000 | #2,962 | 30 |
| 1990 | #2,670 | 25 |
| 1980 | #3,537 | 12 |
| 1970 | #1,772 | 25 |
| 1960 | #1,261 | 39 |
| 1950 | #1,114 | 41 |
| 1940 | #2,139 | 12 |
| 1930 | #2,708 | 10 |
| 1920 | #2,009 | 17 |
| 1910 | — | — |
| 1900 | — | — |
| 1890 | — | — |
| 1880 | — | — |
How popular is Lex, counting every spelling?
Lex is the most common spelling of a name family that had 60 boys in 2025 across its spellings. Together these spellings went to 60 boys in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Lex | 60 | #2,322 | 391 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Lex?
60 of the 3,606,400 babies born in the US in 2025 were named Lex (0.02 per 1,000 births). For a boy named Lex born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 140 (of 430 pupils) would have a child named Lex.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Lex?
About 3,200 people born in the US named Lex are alive today, with a median age of 20; half are between 10 and 50. That makes Lex mostly worn by children and young adults. The wide spread shows a name popular in two different eras.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Lex by state
How common Lex was among boys born in each state in 2021–2025. In 44 states fewer than five boys a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Lex: their share of US boys followed the most similar curve since 1880. If you like Lex, they share its era and feel.
Lex is also a nickname for Alexander, Alexis, Alexa and Alexia.
Questions about the name Lex
How popular is the name Lex?
Lex was the 2322nd most popular name for boys in 2025, given to 60 babies. Its best year was 1956, when it ranked 913th; the most babies were born in 2012 (94). Over the last ten years it has moved down 241 places. More babies were named Lex in the 2010s than in any other decade.
Is Lex a boy or girl name?
In 2021–2025, almost always a boy’s name given the name Lex in the US.
Where is Lex most popular?
In 2021–2025, Lex was most common in California (0.06 per 1,000 boys), followed by New York and Florida.