Lachlan
Meaning: From the land of lakes, Viking
Origin: Scottish Gaelic
Gender: Boy
Rank in Australia: #33
Total births: 18,344
History: Lachlan is one of Australia's most distinctly Australian names — hugely popular here but rare elsewhere. Governor Lachlan Macquarie shaped colonial New South Wales, and the Lachlan River bears his name. The name represents Australia's Scottish heritage transformed into something uniquely Australian.
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Look at the data
Every number here comes directly from Australia’s birth records. No estimates, no averages — just the counts.
| Current rank (2025) | #34 |
| Babies named Lachlan in 2025 | 171 |
| Total recorded in Australia | 18,344 |
| Peak year | 1999 (920 babies) |
| Highest rank ever | #2 |
| Years in records | 1982–2025 (43 years of data) |
| Change over last 5 years | ↓ 8 spots |
Frequently asked about Lachlan
What does the name Lachlan mean?
Lachlan means “From the land of lakes, Viking” from Scottish Gaelic roots.
What is the origin of the name Lachlan?
Lachlan has Scottish Gaelic origin. The traditional meaning is “From the land of lakes, Viking”.
How popular is Lachlan in Australia?
Lachlan ranked #34 in Australia in 2025 — given to 171 babies that year.
When was Lachlan most popular?
Lachlan peaked in 1999 with 920 babies registered that year in Australia.
Is Lachlan a boy or girl name?
Lachlan is predominantly a boys' name in Australia — over 90% of Lachlans in registered births are male.
How long has Lachlan been recorded in Australia?
Lachlan appears in birth records in Australia across 43 years — from 1982 through 2025.