# MacMaster (surname)

Source: https://namelineage.com/surname/macmaster/  
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 Scottish Gaelic.

| Field | Value |
|---|---|
| Origin | Scottish Gaelic |
| Type | patronymic, formed from a father’s (or ancestor’s) given name |
| People in the US (2010 Census) | 831 |
| US rank (2010) | 28,679 of 162,253 |
| How often | about 1 in every 371,535 people |
| Change since 2000 | +3.7% (801 in 2000) |
| Pronunciation | not recorded |
| Variant spellings | none recorded |

## Etymology

Anglicized form of Scottish Gaelic Mac Maighstir or Mac Á Mhaighstir (“son of the master”), from maighstir (“master”). By surface analysis, Mc- + master.

## Who carries it

Share of people named MacMaster 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) | 92% |
| Black (not Hispanic) | 1.1% |
| Hispanic or Latino (any race) | 3.0% |
| Asian and Pacific Islander | 1.1% |
| American Indian and Alaska Native | 1.2% |
| Two or more races | 2.0% |

## Similar surnames

McMaster, McMasters, McKenzie, McKnight, McGinnis, Mackenzie, Magnuson, McInnis, McMichael, Messenger, Mickens, McComas.

## 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.