# Loos (surname)

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

| Field | Value |
|---|---|
| Origin | not recorded |
| Type | not recorded |
| People in the US (2010 Census) | 4,064 |
| US rank (2010) | 8,159 of 162,253 |
| How often | about 1 in every 75,971 people |
| Change since 2000 | -3.6% (4,216 in 2000) |
| Pronunciation | not recorded |
| Variant spellings | none recorded |

## Who carries it

Share of people named Loos 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) | 95% |
| Black (not Hispanic) | 0.3% |
| Hispanic or Latino (any race) | 1.7% |
| Asian and Pacific Islander | 1.0% |
| American Indian and Alaska Native | 0.4% |
| Two or more races | 1.4% |

## Where

Wikidata records people named Loos in Cisleithania, the United States, Belgium, Austria and Dutch Republic.

## People named Loos

- Adolf Loos, Austrian and Czech architect and art collector (1870-1933)
- Anita Loos, American actress and writer (1888–1981)
- Ludo Loos, Belgian road bicycle racer (1955-2019)
- Lina Loos, Austrian actor and author (1882-1950)
- Cornelius Loos, 16th century Roman Catholic priest and theologian

## Similar surnames

Louis, Leos, Losey, Loose, Lohse, Losee, Loss, Lose, Look, Losoya, Losh, Lowes.

## 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.