# McBrearty (surname)

Source: https://namelineage.com/surname/mcbrearty/  
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) | 600 |
| US rank (2010) | 37,180 of 162,253 |
| How often | about 1 in every 514,576 people |
| Change since 2000 | +8.7% (552 in 2000) |
| Pronunciation | not recorded |
| Variant spellings | none recorded |

## Etymology

Anglicized form of Irish Mac Mhuircheartaigh (“son of Muircheartach”), a personal name meaning "navigator". Compare Moriarty.

## Who carries it

Share of people named McBrearty 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) | 97% |
| Hispanic or Latino (any race) | 2.2% |
| American Indian and Alaska Native | 0.0% |
| Two or more races | 0.8% |

## Similar surnames

McBride, McCafferty, McBrayer, McBryde, McBurney, McBrien, McBreen, McFarland, McPherson, McGovern, McFarlane, McCaffrey.

## 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.