# Koop (surname)

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

A surname from Dutch [in turn originating as an occupation].

| Field | Value |
|---|---|
| Origin | Dutch |
| Type | occupational, named after the work an ancestor did |
| People in the US (2010 Census) | 2,468 |
| US rank (2010) | 12,548 of 162,253 |
| How often | about 1 in every 125,099 people |
| Change since 2000 | +5.0% (2,351 in 2000) |
| Pronunciation | not recorded |
| Variant spellings | none recorded |

## Etymology

From West Germanic * As a Dutch and German surname, from kopen (“to buy”). * As a West Frisian surname, shortened from Jakob, a form of Jacob.

## Who carries it

Share of people named Koop 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) | 93% |
| Black (not Hispanic) | 0.6% |
| Hispanic or Latino (any race) | 2.1% |
| Asian and Pacific Islander | 1.0% |
| American Indian and Alaska Native | 1.1% |
| Two or more races | 1.9% |

## Where

Wikidata records people named Koop in the United States.

## People named Koop

- C. Everett Koop, American pediatric surgeon and public health administrator (1916–2013)

## Similar surnames

Kopp, Koepp, Kopf, Koob, Keefe, Kipp, Kapp, Kaba, Kibbe, Kouba, Kibby, Kaup.

## 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.