Boys' name · since 1892

Lex

3,995 babies named Lex in U.S. Social Security records since 1892, with the highest year being 2012. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

#2215
among boys today
3,995
born since 1892
2010s
peak decade
85%
more common than other boys

3,995 babies have been named Lex since 1892, making it today's #2215 boys' name.

Social Security Administration records show Lex recorded 3,995 times among boys since 1892, holding rank #2215 nationally today, ahead of 85% of boys, peaking in the 2010s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1892 to 2025.

  • #2215 among boys today
  • 3,995 born since 1892
  • 2010s peak decade
  • 85% more common than other boys

Data updated Jun 2026

The verdict

Lex is currently the #2215 boys' name in America, more common than 85% of boys - 3,995 born since 1892, peaking in the 2010s.

#2215
among boys today
3,995
born since 1892
2010s
peak decade
85%
more common than other boys

Lex vs. every other boys name in current SSA rankings

0%100%Median name50%84.5%
Lex vs. every other boys name in current SSA rankings
#2215
of 14,294 boys in use

More common than 85% of names given to boys today.

2010s
Peak decade

20% of everyone ever named Lex was born in this single decade.

2012
Single peak year

94 babies were named Lex in 2012 - its busiest year on record.

How Lex compares

3,995 Top 14% higher than 86% of 14,294 names currently given to boys

Based on all-time total births among currently-ranked boys names. Names with fewer occurrences are grouped into wider buckets on the right.

Source U.S. Social Security Administration, national baby name data

How the numbers stack up

Lex's all-time total is 11x the median boys name, and Liam still leads by a wide margin.

Metric Lex Median boys name (Elchonon) #1 boys name (Liam)
All-time total births 3,995 367 358,536
Peak-year births 94 23 22,252

Lex's usage pattern, beyond the headline number

Splitting Lex's full recorded timeline at 1966, 66% of its total births fall in the more recent half of the record versus 34% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 1892, with just 5 recorded births -- worth weighing against the 2012 peak of 94 to see the full range of the name's swing in popularity.

Lex at a glance

Outside the top 1,000

Total births

3,995

Since 1892

134 years of records

Peak year

2012

94 births that year

Strongest decade: 2010s

Current rank

#2,215

Among boys

As of 2025

Active since

1892

Recorded for 134 years

Last year on file: 2025

Lex popularity over time - boys

Annual U.S. births registered with the Social Security Administration · 1892–2025

Outside the top 1,000
Peak year (2012)
94
Annual births at peak, across 134 years of records
020406080100 189219211936195119661981199620112025 60

Lex popularity over time - girls

15 total births recorded since 2016 (Lex as girls' name)

Unisex variant - 15 births
5 201620202023 5

Lex by decade

Total births in each ten-year window, peak vs trough at a glance

2010s was Lex's strongest decade.

780 babies received the name during that ten-year window, about 20% of all-time use.

Lex births by decade

Total births in each ten-year window

births

What this shows Peak: 2010s at 780 births (20% of all-time use).

Source U.S. Social Security Administration · Baby Names As of June 2026

How Lex compares to similarly-sized names

Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Lex's total volume

Lex vs 15 similarly-sized boys names

Lex vs 15 similarly-sized boys names Scatter plot of 16 data points. 0%10%20%30% 050100150200 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year Lex
Lex vs 15 similarly-sized boys names

Lex by state

Where Lex concentrates geographically, total births since 1892

Geographically diffuse
Top 8 states by recorded births for the name Lex
Rank State Visual share Births Share of total
#1 California
379 9.5%
#2 Texas
271 6.8%
#3 Florida
98 2.5%
#4 New York
50 1.3%
#5 Pennsylvania
39 1.0%
#6 Indiana
22 0.6%
#7 North Carolina
21 0.5%
#8 Ohio
21 0.5%
California share of Lex's total US births 9.5%
Even split

379 of 3,995 births nationwide. Compared to a flat distribution across 19 reporting states.

Lex appears in 19 states. Explore state details →

Frequently Asked Questions

How popular is the name Lex?
Lex has been given to 3,995 babies in the U.S. since 1892, according to SSA data. Among boys, it ranks #2215 as of the latest data. 94 babies were born in 2012, its single highest year.
When was Lex most popular?
Lex was most popular in the 2010s decade with 780 total births. The single peak year was 2012.
Where is Lex most popular?
The top states for the name Lex are California (379 births), Texas (271 births), Florida (98 births).
How long has the name Lex been used?
Lex has been recorded in Social Security data since 1892, spanning 134 years of data through 2025.
What names are similar to Lex?
Names with a similar sound or spelling include Lexington, Lexton, Lexie, Lexus, and 4 more. These share a common prefix and are also used for boys.

What to do with Lex's data

  • Lex's usage has stayed within range of its 2010s decade-level peak (780 total births) through the 2020s (474) -- a comparatively stable name, not a fading trend.
  • California records the most Lexs (379 births) -- see the full state breakdown if geography matters to your decision. California names
  • Weighing it against an alternative? Put two names side by side. Compare names

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Data Sources

Data as of June 2026. Source: U.S. Social Security Administration (SSA).

According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1892–2025 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Lex: #2215 Boys' Name - 3,995 Births, Peak 2012." NameAlmanac. Accessed via https://namealmanac.com/name/lex. Licensed CC BY-SA 4.0.

Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Lex draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.