# Thorsen (surname)

Source: https://namelineage.com/surname/thorsen/  
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 | Danish |
| Type | not recorded |
| People in the US (2010 Census) | 3,121 |
| US rank (2010) | 10,324 of 162,253 |
| How often | about 1 in every 98,925 people |
| Change since 2000 | +1.8% (3,065 in 2000) |
| Pronunciation | not recorded |
| Variant spellings | none recorded |

## Etymology

Borrowed both from Danish Thorsen and Norwegian Thorsen.

## Who carries it

Share of people named Thorsen 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) | 2.3% |
| Asian and Pacific Islander | 0.4% |
| American Indian and Alaska Native | 0.5% |
| Two or more races | 1.5% |

## Where

Wikidata records people named Thorsen in Norway.

## People named Thorsen

- Jan Einar Thorsen, alpine skier

## Similar surnames

Thorson, Thoreson, Turgeon, Throckmorton, Tarkington, Trojan, Tregoning.

## 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.