# McMahon (surname)

Source: https://namelineage.com/surname/mcmahon/  
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 | patronymic, formed from a father’s (or ancestor’s) given name |
| People in the US (2010 Census) | 39,411 |
| US rank (2010) | 883 of 162,253 |
| How often | about 1 in every 7,834 people |
| Change since 2000 | +2.2% (38,557 in 2000) |
| Pronunciation | /məkˈmeɪən/, 3 syllables |
| Variant spellings | none recorded |

## Etymology

Anglicized form of Irish Mac Mathúna, earlier spelling Mac Mathghamhna (literally “son of the bear”), from Middle Irish mac (“son”) and mathgamain (“bear”).

## Who carries it

Share of people named McMahon 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) | 93% |
| Black (not Hispanic) | 2.3% |
| Hispanic or Latino (any race) | 2.3% |
| Asian and Pacific Islander | 0.7% |
| American Indian and Alaska Native | 0.2% |
| Two or more races | 1.3% |

## Where

Wikidata records people named McMahon in the United States and Australia.

## People named McMahon

- Vince McMahon, American professional wrestling promoter (born 1945)
- Stephanie McMahon, American professional wrestler and executive
- Julian McMahon, Australian–American actor (1968–2025)
- William McMahon, Australian politician, 20th Prime Minister of Australia (1908–1988)
- Shane McMahon, American businessman and professional wrestler
- Vincent J. McMahon, American professional wrestling promoter (1914–1984)
- Ed McMahon, American announcer, game show host, actor, and spokesman (1923-2009)
- Jess McMahon, (1882-1954) American professional wrestling and boxing promoter
- Andrew McMahon, American musician
- Brien McMahon, American politician (1903–1952)
- Horace McMahon, American actor (1906–1971)
- Jim McMahon, American football player

and 5 more on Wikidata.

## Similar surnames

McMahan, McManus, McMinn, McCammon, McMann, McMeans, McManis, McMonagle, McMains, McMunn, McNamara, McKinnon.

## 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.