# McLachlan (surname)

Source: https://namelineage.com/surname/mclachlan/  
Publisher: Name Lineage. Counts from the US Census Bureau; origin and etymology from Wiktionary; bearers from Wikidata. Data updated 2026-11-11.

A surname.

| Field | Value |
|---|---|
| Origin | not recorded |
| Type | not recorded |
| People in the US (2010 Census) | 1,893 |
| US rank (2010) | 15,471 of 162,253 |
| How often | about 1 in every 163,099 people |
| Change since 2000 | +8.5% (1,745 in 2000) |
| Pronunciation | not recorded |
| Variant spellings | Maclachlan, M'lachlan, Mlachlan, Lachlan |

## Who carries it

Share of people named McLachlan in the 2010 US Census by the Census's own race and ethnicity groups. The Census suppresses a share when the count behind it is small.

| Group | Share |
|---|---|
| White (not Hispanic) | 90% |
| Black (not Hispanic) | 5.4% |
| Hispanic or Latino (any race) | 3.1% |
| Two or more races | 1.1% |

## Where

Wikidata records people named McLachlan in Australia and the United Kingdom.

## People named McLachlan

- Craig McLachlan, Australian actor and singer
- Robert McLachlan, Australian racing cyclist
- Robert McLachlan, British entomologist (1837–1904)

## Similar surnames

MacLachlan, McLaughlin, McLoughlin, McGlaughlin, McCullough, McAllister, Michaels, McAlister, McCloskey, McCallister, McCulloch, Mickelson.

## How to read these numbers

A Census count is people alive and counted in 2010, not births, and names occurring fewer than 100 times are not published at all. Ethnicity shares are the Census's own categories.