# McMorrow (surname)

Source: https://namelineage.com/surname/mcmorrow/  
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) | 1,833 |
| US rank (2010) | 15,871 of 162,253 |
| How often | about 1 in every 168,437 people |
| Change since 2000 | +5.2% (1,742 in 2000) |
| Pronunciation | not recorded |
| Variant spellings | none recorded |

## Etymology

Anglicized form of Irish Mac Murchadha (“son of Murchadh”), a personal name formed by the elements muir (“sea”) + cath (“battle”).

## Who carries it

Share of people named McMorrow 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) | 95% |
| Black (not Hispanic) | 0.9% |
| Hispanic or Latino (any race) | 1.6% |
| Asian and Pacific Islander | 0.8% |
| American Indian and Alaska Native | 0.3% |
| Two or more races | 0.9% |

## Where

Wikidata records people named McMorrow in the United States.

## People named McMorrow

- Mallory McMorrow, American politician (born 1986)

## Similar surnames

McMurray, McMurry, McMorris, McMurtry, McNair, McHenry, Messner, McInerney, Meissner, Meisner, Misner, Messmer.

## 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.