Lex
Boy name · #2308 in 2025 · Uniqueness 81/100
Lex is currently the #2308 boy name in the United States — 60 babies received it in 2025. A decade ago it stood at #2068, so the name has been falling over the past ten years. Roughly one in every 30,000 boys born in 2025 was named Lex.
The 133-year story
Lex first appears in the Social Security records in 1892, when 5 boys received the name. Its peak came in 2012, when 94 boys were named Lex — good for #1637 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Babies named Lex per year, 1880–2025. Source: SSA.
Unlock the 5-year forecast and compare Lex against up to 5 other names.
Uniqueness: will there be another Lex in class?
Lex scores 81 out of 100 on our uniqueness scale, which blends current rarity with five-year momentum — putting it in the "rare" band. A high score means genuine rarity — your Lex will likely be the only one in the room, with the occasional spelling-out as the price.
Where Lex is most common
Geography matters for names, and Lex is no exception. In 2025 the states with the most Lexs were CA (8), GA (5), IL (5). Raw counts naturally favor populous states, but the spread still hints at where the name is part of the local naming culture.
Names like Lex
Statistically, parents drawn to Lex tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Levin, Leyton, Ryu, Aj, and Lathan.
LevinLeytonRyuAjLathanLeninLinusElan
Rank history (last 25 years)
| Year | Babies named Lex | Rank |
|---|---|---|
| 2025 | 60 | #2304 |
| 2024 | 65 | #2210 |
| 2023 | 90 | #1787 |
| 2022 | 83 | #1892 |
| 2021 | 93 | #1740 |
| 2020 | 83 | #1798 |
| 2019 | 90 | #1737 |
| 2018 | 82 | #1838 |
| 2017 | 91 | #1717 |
| 2016 | 76 | #1921 |
| 2015 | 68 | #2068 |
| 2014 | 59 | #2256 |
| 2013 | 57 | #2250 |
| 2012 | 94 | #1637 |
| 2011 | 85 | #1730 |
| 2010 | 78 | #1850 |
| 2009 | 84 | #1789 |
| 2008 | 87 | #1736 |
| 2007 | 93 | #1650 |
| 2006 | 90 | #1605 |
| 2005 | 81 | #1659 |
| 2004 | 79 | #1629 |
| 2003 | 85 | #1513 |
| 2002 | 59 | #1888 |
| 2001 | 25 | #3410 |
Frequently asked questions
Is Lex a popular boy name?
Lex ranked #2308 among boys in 2025 with 60 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #2068.
When was the name Lex most popular?
Lex peaked in 2012, when 94 American boys received the name (ranked #1637 that year). Since 2012 the name has declined from that high.
How rare is the name Lex?
In 2025, roughly 1 in 30,000 newborn American boys was named Lex. It scores 81/100 on our uniqueness scale (rarity blended with momentum), which we classify as "rare".
Data source: U.S. Social Security Administration name statistics, 1880–2025, national and state files. Counts reflect Social Security card applications; names with fewer than 5 occurrences in a state-year are suppressed by the SSA.