# Lach (surname)

Source: https://namelineage.com/surname/lach/  
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) | 2,515 |
| US rank (2010) | 12,362 of 162,253 |
| How often | about 1 in every 122,762 people |
| Change since 2000 | +7.2% (2,345 in 2000) |
| Pronunciation | /læʃ/, 1 syllable |
| Variant spellings | none recorded |

## Etymology

* As a Ukrainian, Belarusian, and Polish surname, from the noun Lach (“Pole”). * As a German surname, from the noun Lache (“pond”). * As a Slovene surname, Germanized from Lah.

## Who carries it

Share of people named Lach 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) | 83% |
| Hispanic or Latino (any race) | 2.7% |
| Asian and Pacific Islander | 13% |
| Two or more races | 0.9% |

## Where

Wikidata records people named Lach in Austria.

## People named Lach

- Robert Lach, Austrian musicologist, poet and composer (1874-1958)

## Similar surnames

Leach, Lash, Loch, Lech, Latch, Lacy, Lacey, Lackey, Lack, Lacayo, Lauck, Lacks.

## 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.