# Dewar (surname)

Source: https://namelineage.com/surname/dewar/  
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 Scottish Gaelic.

| Field | Value |
|---|---|
| Origin | Scottish Gaelic |
| Type | occupational, named after the work an ancestor did |
| People in the US (2010 Census) | 2,833 |
| US rank (2010) | 11,168 of 162,253 |
| How often | about 1 in every 108,982 people |
| Change since 2000 | +5.7% (2,680 in 2000) |
| Pronunciation | /ˈdjuːwə(ɹ)/, 2 syllables |
| Variant spellings | none recorded |

## Etymology

From Scottish Gaelic deòradh (“pilgrim, stranger”), an occupational surname for a custodian of holy relics. It could also be an habitational surname, from Dewar, Scottish Borders. The flask is named for James Dewar, who is credited with its invention.

## Who carries it

Share of people named Dewar 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) | 78% |
| Black (not Hispanic) | 15% |
| Hispanic or Latino (any race) | 3.4% |
| Asian and Pacific Islander | 2.3% |

## Similar surnames

Derr, Dear, Deer, Deharo, Dyer, Dwyer, Drew, Durr, Darr, Darrow, Doerr, Dorr.

## 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.