Lex
Boy name · #2308 in 2025 · Very rare
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. Source: SSA.
Unlock the 5-year forecast and compare Lex against up to 5 other names.
Uniqueness: will there be another Lex in class?
On our rarity read — which blends how common Lex is today with its five-year momentum — the name reads as "very rare". 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
State-level data for Lex is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Nicknames & related forms of Lex
Lex belongs to the Alexander family — closely related nicknames and spellings of the same name.
Counted as one name, the Alexander family went to about 10,374 boys in 2025 — together they'd rank around #10, versus #2308 for Lex alone.
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. On our rarity scale (rarity blended with momentum) we classify it as "very 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.