# Deneau (surname)

Source: https://namelineage.com/surname/deneau/  
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) | 617 |
| US rank (2010) | 36,286 of 162,253 |
| How often | about 1 in every 500,398 people |
| Change since 2000 | -5.9% (656 in 2000) |
| Pronunciation | not recorded |
| Variant spellings | none recorded |

## Etymology

* As a French surname, from de + Neau, a place in Mayenne, possibly from Latin Nigellus, a diminutive of Nigel. * Also as a French surname, from a variant of Daniau, northern form of the biblical name Daniel. Compare Dano, Denault, Denio, Denno.

## Who carries it

Share of people named Deneau 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) | 92% |
| Black (not Hispanic) | 1.8% |
| Hispanic or Latino (any race) | 3.6% |
| Two or more races | 1.6% |

## Similar surnames

Dean, Denney, Deane, Deen, Dennehy, Dennie, Denn, Deno, Dena, Dunn, Donahue, Downey.

## 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.