Lex is a boy name with a rare feel, drawn from real birth records. Below you'll find what Lex means and where it comes from, plus how many babies have been named Lex across the United States, UK, Ireland and New Zealand, how popular Lex has been over the decades, and the year it peaked.
Lex is a boy name of Greek origin meaning “pet form of Alexander, defender”. A short form of Alexander meaning defender of men.
| Country | Births on record |
|---|---|
| United States since 1880 | 4,010 births |
| England & Wales since 1996 | 385 births |
| Scotland since 1974 | 29 births |
| Ireland since 1964 | 3 births |
Counts come from official national birth-registration statistics: U.S. Social Security Administration, England & Wales (Office for National Statistics), Scotland (National Records of Scotland), Northern Ireland (NISRA), Ireland (Central Statistics Office) and New Zealand (Dept. of Internal Affairs). Coverage spans differ, so totals aren't directly comparable across countries.
Babies named Lex per year, United States (1892 to 2025). United States peaked in 2023 (95/yr) · England & Wales peaked in 2008 (25/yr) · Scotland peaked in 2005 (5/yr) · Ireland peaked in 2018 (3/yr).
Lex is an uncommon baby name in the United States. It was most common in 2023, when it ranked #3,721 nationally (given to 108 babies that year).
Lexi · Lexie · Lux · Lexy · Lexa · Lexia · Luxe · Loxi
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