# Dumais (surname)

Source: https://namelineage.com/surname/dumais/  
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 French.

| Field | Value |
|---|---|
| Origin | French |
| Type | not recorded |
| People in the US (2010 Census) | 1,763 |
| US rank (2010) | 16,343 of 162,253 |
| How often | about 1 in every 175,125 people |
| Change since 2000 | +5.1% (1,678 in 2000) |
| Pronunciation | not recorded |
| Variant spellings | none recorded |

## Etymology

From French Dumais.

## Who carries it

Share of people named Dumais 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) | 94% |
| Black (not Hispanic) | 1.3% |
| Hispanic or Latino (any race) | 2.2% |
| Two or more races | 1.4% |

## Where

Wikidata records people named Dumais in the United States.

## People named Dumais

- Troy Dumais, American diver
- Susan T. Dumais, American computer scientist

## Similar surnames

Dumas, Dimas, Demasi, Demas, Duenas, Danis, Dennis, Downs, Dang, Duong, Damico, Dong.

## 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.