# Theisen (surname)

Source: https://namelineage.com/surname/theisen/  
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 German.

| Field | Value |
|---|---|
| Origin | German |
| Type | patronymic, formed from a father’s (or ancestor’s) given name |
| People in the US (2010 Census) | 5,707 |
| US rank (2010) | 6,025 of 162,253 |
| How often | about 1 in every 54,099 people |
| Change since 2000 | +7.7% (5,300 in 2000) |
| Pronunciation | not recorded |
| Variant spellings | none recorded |

## Etymology

Borrowed from German, Danish and Norwegian Theisen, a patronymic surname from a reduced form of the personal name Matthias.

## Who carries it

Share of people named Theisen 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) | 96% |
| Black (not Hispanic) | 0.2% |
| Hispanic or Latino (any race) | 2.3% |
| Asian and Pacific Islander | 0.6% |
| American Indian and Alaska Native | 0.2% |
| Two or more races | 1.2% |

## Similar surnames

Thiessen, Teigen, Tyson, Toscano, Tassone, Tassin, Tuazon, Tison, Tashjian, Tecson, Tuason, Towson.

## 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.