# MacLachlan (surname)

Source: https://namelineage.com/surname/maclachlan/  
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) | 1,205 |
| US rank (2010) | 21,633 of 162,253 |
| How often | about 1 in every 256,220 people |
| Change since 2000 | +4.1% (1,157 in 2000) |
| Pronunciation | not recorded |
| Variant spellings | Mclachlan, M'lachlan, Mlachlan, Lachlan |

## Who carries it

Share of people named MacLachlan 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) | 92% |
| Hispanic or Latino (any race) | 5.1% |
| Asian and Pacific Islander | 0.7% |
| Two or more races | 1.5% |

## Where

Wikidata records people named MacLachlan in the United States.

## People named MacLachlan

- Kyle MacLachlan, American actor
- Janet MacLachlan, American actress (1933-2010)
- Patricia MacLachlan, American children's writer (1938–2022)

## Similar surnames

McLachlan, McLaughlin, McCullough, McAllister, Michaels, McAlister, McCloskey, McCallister, McCulloch, Mickelson, Michels, Michalski.

## 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.