# Kosar (surname)

Source: https://namelineage.com/surname/kosar/  
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 | occupational, named after the work an ancestor did |
| People in the US (2010 Census) | 718 |
| US rank (2010) | 32,123 of 162,253 |
| How often | about 1 in every 430,008 people |
| Change since 2000 | -0.4% (721 in 2000) |
| Pronunciation | not recorded |
| Variant spellings | none recorded |

## Etymology

* From Czech Kosař, Slovene Kosar and Serbo-Croatian Kosar; occupational name for a maker of scythes derived from Proto-Slavic *kosa (“scythe”). * From Czech Košář, Slovak Košár, Slovene Košar and Serbo-Croatian Košar, or Hungarian kosár; occupational name for a basketmaker derived from Proto-Slavic *košь (“basket”).

## Who carries it

Share of people named Kosar 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) | 89% |
| Black (not Hispanic) | 1.7% |
| Hispanic or Latino (any race) | 4.5% |
| Asian and Pacific Islander | 3.2% |
| American Indian and Alaska Native | 0.0% |
| Two or more races | 1.8% |

## Where

Wikidata records people named Kosar in the United States.

## People named Kosar

- Bernie Kosar, American football player

## Similar surnames

Kozar, Koser, Kaiser, Kiser, Keyser, Keiser, Kocher, Kizer, Kiger, Kucera, Koger, Kayser.

## 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.