# Cormack (surname)

Source: https://namelineage.com/surname/cormack/  
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 Irish.

| Field | Value |
|---|---|
| Origin | Irish |
| Type | not recorded |
| People in the US (2010 Census) | 1,167 |
| US rank (2010) | 22,144 of 162,253 |
| How often | about 1 in every 264,563 people |
| Change since 2000 | +1.8% (1,146 in 2000) |
| Pronunciation | /ˈkɔɹ.mæk/, 2 syllables |
| Variant spellings | none recorded |

## Etymology

From the Old Irish given name Cormac. The town in Newfoundland is named after explorer and entrepreneur William Epps Cormack (1796 - 1868).

## Who carries it

Share of people named Cormack 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) | 88% |
| Black (not Hispanic) | 6.6% |
| Hispanic or Latino (any race) | 2.7% |
| Two or more races | 1.7% |

## Where

Wikidata records people named Cormack in the United States.

## People named Cormack

- Allan McLeod Cormack, American physicist (1924-1998)
- Bartlett Cormack, American actor (1898-1942)

## Similar surnames

Carmack, Cermak, Carranza, Carmichael, Crenshaw, Cornejo, Carnes, Carrington, Cornish, Cronk, Cairns, Crank.

## 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.