Lachlan
Meaning not yet sourced
Editor’s note Up from #767 in 2015 to #606 in 2025 in the US
Boy’s name · Celtic · /ˈlɒklən/
What Lachlan means
Meaning not yet sourced. Wiktionary has no word-by-word meaning for Lachlan yet, and we don’t write our own.
Editor’s note Up from #767 in 2015 to #606 in 2025 in the US Worked out from the official US and England & Wales counts, not a meaning.
How popular is Lachlan?
▲ 89 vs 2024
▲ 45 vs 2024
▲ 9 vs 2024
US: Rising: up from #767 in 2015. England & Wales: Rising: up from #363 in 2015.
Biggest US share so far: 2025, when 468 boys got the name (#606 that year). First in the US records in 1952.
How common
- About 1 in 3,650 baby boys in the US in 2025
- About 1 in 1,710 baby boys in England and Wales in 2025
- About 1 in 302 baby boys in Scotland in 2025
“1 in N” divides by all listed births for that sex. The US list leaves out names given to fewer than 5 babies, and the UK lists leave out names given to 2 or fewer, so the real figure is a little rarer than shown.
Where in the US
Most popular in ME (1.3 per 1,000 boys), MN (0.82 per 1,000 boys), ID (0.7 per 1,000 boys) in 2025.
SSA state data, 2025. Share of all listed boys born in each state.
US vs UK
Lachlan is #606 in the US and #283 in England & Wales (2025).
| Rank 2025 | Babies | How common | Rank 2015 | |
|---|---|---|---|---|
| US | #606 | 468 | 1 in 3,650 | #767 |
| England & Wales | #283 | 159 | 1 in 1,710 | #363 |
| Scotland | #79 | 65 | 1 in 302 | #90 |
Same sex as this page (boys). SSA (US), ONS (England and Wales), NRS (Scotland).
Boy or girl?
In 2025, 98.1% of US babies named Lachlan were boys.
| Girls | Boys | |
|---|---|---|
| US 2025 | 9 | 468 |
| England & Wales 2025 | 0 | 159 |
| US all years since 1880 | 290 | 6,108 |
| England & Wales since 1996 | 0 | 2,417 |
Counts below the publishing threshold (US 5, UK 3) are not included.
How to say it
IPA from Wiktionary.
Other spellings parents chose in 2025
- Lochlan433 US · 179 E&W
- Lochlann35 US · 26 E&W
- Lachlann11 US · 10 E&W
- Lochlyn9 US
- Lochlain5 US
Names that sound the same and differ by a letter or two, with baby counts for the same sex. US and E&W counts.
Spelling variants on Wiktionary
Listed as alternative forms on Wiktionary.
If you like Lachlan
Boys
- Finn#206“the Sami”*
- Kieran#389Editor’s note Up from #512 in 2015 to #389 in 2025 in the US
- Liam#1Form of William, meaning “will + helmet”*
- Ronan#247Irish, meaning “little seal”*
- Declan#139Editor’s note More popular in the US than England & Wales: #139 vs #372 in 2025
- Kian#400Editor’s note Up from #489 in 2015 to #400 in 2025 in the US
For a sister
- Rowan#249“little red one”*
- Teagan#340Editor’s note First shows up in US records in 1979, with 6 babies
- Alayna#332Editor’s note Down from #223 in 2015 to #332 in 2025 in the US
- Kenna#759“descendant of Cionaodh”*
- Ellis#682“benevolent, kind”*
- Maeve#76“intoxicating”*
Picked from the US top 1,000 in 2025: names Wiktionary also files under Irish & Celtic, whose US popularity since 1990 rose and fell most like Lachlan’s. Rank is US 2025.
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