NameCensus.

UK boy's name

Lachlann

A masculine name of Scottish Gaelic origin meaning "land of lakes".

For 2026, the newest official UK baby-name figures on this page are from 2024. That release is the current official benchmark rather than a forecast.

Lachlann is a boy's name in the UK records. People looking for Lachlann popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #1859, with 13 babies registered with the name. Its strongest year in the published records was 2024, with 13 births.

This profile covers 45 England and Wales registrations across 6 recorded years from 2008 to 2024. The figures come from ONS England and Wales and NRS Scotland, so the page is a view of published baby-name registrations rather than a forecast or a live count of people using the name today.

Lachlann is at its recorded peak in the England and Wales series.

We estimate that about 123 living people in the UK are called Lachlann. This uses published birth registrations from England and Wales, Scotland and Northern Ireland, then applies ONS national life tables to estimate how many are likely still alive. It does not forecast extra births for 2025 or 2026.

Key insights

  • Lachlann ranked #1859 for boys in England and Wales in 2024, with 13 registrations.
  • The name peaked in 2024, when 13 boys were registered as Lachlann.
  • Lachlann ranks best in Scotland in the latest published regional snapshot for that area, where it placed #330 in 2024.
  • About 123 living people in the UK are estimated to have Lachlann as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

#1859

2024

Births in 2024

13

Latest year

Peak year

2024

13 births

Estimated living

123

2026

Meaning

What does Lachlann mean?

The name Lachlann finds its origins in the Scottish Gaelic language, where it is derived from the Old Norse name Lochlan, which means "Norwegian". It is believed to have been first used in the 9th century during the Viking Age when Norse settlers and raiders arrived in Scotland.

The name Lachlann was particularly popular in the western coastal regions of Scotland, such as the Hebrides and the islands off the west coast, where Norse influence was strongest. It is likely that the name was initially used to refer to people of Norwegian or Scandinavian descent living in these areas.

One of the earliest recorded uses of the name Lachlann can be found in the Annals of Ulster, a chronicle of medieval Irish history, which mentions a "Lachlan, son of Sithmaith" in the year 912 AD. This indicates that the name was in use in the early medieval period.

Lachlann MacRuaidri, also known as Lachlan Mor, was a 13th-century Scottish clan chief who played a significant role in the Wars of Scottish Independence against England. He was born around 1230 and died in 1304.

Lachlann MacMhuirich was a 16th-century Scottish poet and member of the Clan MacMhuirich, a family of hereditary poets and historians to the Lords of the Isles. He lived from around 1500 to 1560.

Lachlann MacLean, also known as Lachlan Mor, was a 16th-century Scottish clan chief and warrior who fought for the Scottish crown against the English. He was born around 1510 and died in 1598.

Lachlan Macquarie was a British military officer and colonial governor of New South Wales, Australia, from 1810 to 1821. He was born in 1762 on the Scottish island of Ulva and played a significant role in the development of Sydney and other settlements in the early days of the Australian colony.

Lachlan Mackintosh was a 19th-century Scottish explorer and trader who traveled extensively in western Canada and the Pacific Northwest of North America. He was born in 1766 and died in 1832.

Sourced from namecensus.com.

Popularity

Lachlann over time

The chart below shows babies named Lachlann registered in England and Wales in the years where the name appears in the published records, from 2008 to 2024. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.

For Lachlann, the clearest high point is 2024. The latest England and Wales figure is 13 births in 2024, compared with 13 at the peak.

Babies born per year

Lachlann
0371013200820162024

Decades

Lachlann by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Lachlann was a short-lived spike or a name that stayed in regular use. Average rank is calculated only from years where a published rank exists.

Decade Average rank Total births Years covered
2020s #1933 24 2
2010s #3225 12 2
2000s #3451 9 2

Geography

Where Lachlann is most common

The bars show the latest published local birth counts for Lachlann. They are useful for spotting where the name is showing up in real numbers, while the rank beside each bar shows how strongly it performs inside that region.

Lachlann ranks best in Scotland in the latest published regional snapshot for that area, where it placed #330 in 2024.

Scotland
11

Across the UK

Lachlann in Scotland and Northern Ireland

Scotland (NRS)

#330 in 2024

16 years of NRS records, 79 total registered

Related

Names similar to Lachlann

FAQ

Lachlann: questions and answers

How popular is the name Lachlann in the UK right now?

In 2024, Lachlann was ranked #1859 for boys in England and Wales, with 13 births registered.

When was Lachlann most popular?

The peak year on record was 2024, with 13 babies registered as Lachlann in England and Wales.

What is the meaning and origin of Lachlann?

A masculine name of Scottish Gaelic origin meaning "land of lakes".

How many people are called Lachlann in the UK?

A total of 45 babies have been registered as Lachlann across the 6 years of ONS England & Wales records shown here, plus 79 more in Scotland.

Where is Lachlann most common?

In the latest published local rankings, Lachlann ranks best in Scotland, where it placed #330 in 2024. The regional bars on this page use birth counts, so they also reflect the size of each region.

Which records is this page based on?

The England and Wales timeline uses ONS baby-name records. Scotland figures come from NRS and Northern Ireland figures come from NISRA. Counts are registrations in published baby-name files. The living estimate uses those birth registrations with ONS national life tables.