Boys' name · since 1952

Lachlan

Since 1952, U.S. Social Security records show 6,108 babies named Lachlan, peaking in 2025. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

#697
among boys today
6,108
born since 1952
2010s
peak decade
95%
more common than other boys

Yes -- Lachlan is the #697 most popular boys' name in the U.S. today, with 6,108 recorded since 1952.

Social Security Administration records show Lachlan recorded 6,108 times among boys since 1952, holding rank #697 nationally today, ahead of 95% 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 1952 to 2025.

  • #697 among boys today
  • 6,108 born since 1952
  • 2010s peak decade
  • 95% more common than other boys

Data updated Jun 2026

The verdict

Lachlan is currently the #697 boys' name in America, more common than 95% of boys - 6,108 born since 1952, peaking in the 2010s.

#697
among boys today
6,108
born since 1952
2010s
peak decade
95%
more common than other boys

Lachlan vs. every other boys name in current SSA rankings

0%100%Median name50%95.1%
Lachlan vs. every other boys name in current SSA rankings
#697
of 14,294 boys in use

More common than 95% of names given to boys today.

2010s
Peak decade

44% of everyone ever named Lachlan was born in this single decade.

2025
Single peak year

468 babies were named Lachlan in 2025 - its busiest year on record.

How Lachlan compares

6,108 Top 11% higher than 89% 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

Lachlan's all-time total is 17x the median boys name, and Liam still leads by a wide margin.

Metric Lachlan Median boys name (Elchonon) #1 boys name (Liam)
All-time total births 6,108 367 358,536
Peak-year births 468 23 22,252

Lachlan's usage pattern, beyond the headline number

Splitting Lachlan's full recorded timeline at 2004, 93% of its total births fall in the more recent half of the record versus 7% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 1952, with just 5 recorded births -- worth weighing against the 2025 peak of 468 to see the full range of the name's swing in popularity.

Lachlan at a glance

Top 1,000 boys' name

Total births

6,108

Since 1952

74 years of records

Peak year

2025

468 births that year

Strongest decade: 2010s

Current rank

#697

Among boys

As of 2025

Active since

1952

Recorded for 74 years

Last year on file: 2025

Lachlan popularity over time - boys

Annual U.S. births registered with the Social Security Administration · 1952–2025

Top 1,000 boys' name
Peak year (2025)
468
Annual births at peak, across 74 years of records
-2000200400600 195219831994200020062012201820242025 468

Lachlan popularity over time - girls

290 total births recorded since 1996 (Lachlan as girls' name)

Unisex variant - 290 births
0510152025 199620062009201220152018202120242025 9

Lachlan by decade

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

2010s was Lachlan's strongest decade.

2,697 babies received the name during that ten-year window, about 44% of all-time use.

Lachlan births by decade

Total births in each ten-year window

births

What this shows Peak: 2010s at 2,697 births (44% of all-time use).

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

How Lachlan 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 Lachlan's total volume

Lachlan vs 15 similarly-sized boys names

Lachlan vs 15 similarly-sized boys names Scatter plot of 16 data points. 0%5%10%15% 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 Lachlan
Lachlan vs 15 similarly-sized boys names

Lachlan by state

Where Lachlan concentrates geographically, total births since 1952

Geographically diffuse
Top 8 states by recorded births for the name Lachlan
Rank State Visual share Births Share of total
#1 California
535 8.8%
#2 Texas
303 5.0%
#3 New York
300 4.9%
#4 Washington
296 4.8%
#5 Pennsylvania
236 3.9%
#6 Florida
226 3.7%
#7 Colorado
198 3.2%
#8 Michigan
195 3.2%
California share of Lachlan's total US births 8.8%
Even split

535 of 6,108 births nationwide. Compared to a flat distribution across 40 reporting states.

Lachlan appears in 40 states. Explore state details →

Frequently Asked Questions

How popular is the name Lachlan?
Lachlan has been given to 6,108 babies in the U.S. since 1952, according to SSA data. Among boys, it ranks #697 as of the latest data. 468 babies were born in 2025, its single highest year.
When was Lachlan most popular?
Lachlan was most popular in the 2010s decade with 2,697 total births. The single peak year was 2025.
Where is Lachlan most popular?
The top states for the name Lachlan are California (535 births), Texas (303 births), New York (300 births).
How long has the name Lachlan been used?
Records for Lachlan go back to 1952, giving 74 years of history through 2025.
What names are similar to Lachlan?
Names with a similar sound or spelling include Lacy, Lacey, Lacharles, Lacorey, and 4 more. These share a common prefix and are also used for boys.

What to do with Lachlan's data

  • Lachlan's usage has stayed within range of its 2010s decade-level peak (2,697 total births) through the 2020s (2,249) -- a comparatively stable name, not a fading trend.
  • California records the most Lachlans (535 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, 1952–2025 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Lachlan: #697 Boys' Name - 6,108 Births, Peak 2025." NameAlmanac. Accessed via https://namealmanac.com/name/lachlan. 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 Lachlan 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.