Lachlan
How to say it: LOCK-lun · /ˈlɑklən/
From Scottish Gaelic 'Lachlann', meaning 'land of the lochs'; historically a term for Norway or a Norse settler.
Lachlan was the 352nd most popular boys’ name in the United States in 2025, given to 468 babies (Social Security Administration). The 2020s are its busiest decade so far, its births are up about 57% in ten years, and it is projected to rise to #337 by 2030.
Updated · SSA 2025 data, published May 2026 · How we compute these figures
Key facts
| Rank among boys’ names, 2025 | #352 |
|---|---|
| Babies born in 2025 | 468 |
| Share of births | 1 in 3,515 |
| Peak decade | 2020s |
| Change over 10 years | +57% |
| Projected rank for 2030 (estimate) | #337 |
Sources: Social Security Administration (SSA). How we compute these figures.
Its life, decade by decade
Lachlan keeps climbing and the 2020s mark its strongest showing yet. Momentum points higher still from here.
What goes with it
Soft consonants give it a rolling lilt across two syllables. Declan shares its rhythm as a brother style.
Nicknames
- Lach
- Lachie
Honouring a Lachlan in the family
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Lachlan is about 1 in 147.
Around the world
This spelling is used in English, Scottish Gaelic.
England and Wales: #284. Ireland: #323.
Famous people named Lachlan
- Lachlan Macquarie (1762–1824)Scottish British army officer and New South Wales colonial administrator
- Lachlan Murdoch (born 1971)British-American-Australian businessman
- Lachlan Morton (born 1992)Australian road cyclist
From Wikidata and Wikipedia
Keep exploring
About as popular as Lachlan
Find names you'll both love, starting with Lachlan
The one-minute style quiz.