# McDuffie (surname)

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

A surname.

| Field | Value |
|---|---|
| Origin | not recorded |
| Type | patronymic, formed from a father’s (or ancestor’s) given name |
| People in the US (2010 Census) | 10,125 |
| US rank (2010) | 3,526 of 162,253 |
| How often | about 1 in every 30,493 people |
| Change since 2000 | +6.8% (9,479 in 2000) |
| Pronunciation | not recorded |
| Variant spellings | none recorded |

## Etymology

Anglicized form of Irish and Scottish Gaelic Mac Duibshíthe (“son of Duibshíth”) a personal name composed of the elements dubh (“black”) + síth (“peace”).

## Who carries it

Share of people named McDuffie 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) | 40% |
| Black (not Hispanic) | 56% |
| Hispanic or Latino (any race) | 1.8% |
| Asian and Pacific Islander | 0.2% |
| American Indian and Alaska Native | 0.2% |
| Two or more races | 2.5% |

## Where

Wikidata records people named McDuffie in the United States.

## People named McDuffie

- Trent McDuffie, American football player
- George McDuffie, American politician (1790-1851)

## Similar surnames

McDuff, McDuffy, McDuffee, McDevitt, Mustafa, McDavid, Mustafic, MacTavish.

## 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.