# Dennison (surname)

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

A surname originating as a patronymic.

| Field | Value |
|---|---|
| Origin | not recorded |
| Type | patronymic, formed from a father’s (or ancestor’s) given name |
| People in the US (2010 Census) | 14,629 |
| US rank (2010) | 2,465 of 162,253 |
| How often | about 1 in every 21,105 people |
| Change since 2000 | +3.5% (14,132 in 2000) |
| Pronunciation | /ˈdɛnɪsən/, 3 syllables |
| Variant spellings | none recorded |

## Etymology

From Dennis + -son.

## Who carries it

Share of people named Dennison 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) | 84% |
| Black (not Hispanic) | 7.3% |
| Hispanic or Latino (any race) | 2.2% |
| Asian and Pacific Islander | 0.7% |
| American Indian and Alaska Native | 3.6% |
| Two or more races | 2.4% |

## Where

Wikidata records people named Dennison in the United States.

## People named Dennison

- William Dennison Jr., American politician (1815–1882)
- Bonnie Dennison, American actress
- Jo-Carroll Dennison, American model (1923–2021)

## Similar surnames

Denson, Denison, Densmore, Duncanson, Duncan, Dinkins, Dinsmore, Dingman, Donegan, Dunson, Dungan, Dunigan.

## 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.