# McGillicuddy (surname)

Source: https://namelineage.com/surname/mcgillicuddy/  
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 | occupational, named after the work an ancestor did |
| People in the US (2010 Census) | 1,086 |
| US rank (2010) | 23,414 of 162,253 |
| How often | about 1 in every 284,296 people |
| Change since 2000 | +7.0% (1,015 in 2000) |
| Pronunciation | not recorded |
| Variant spellings | none recorded |

## Etymology

Anglicized form of Irish Mac Giolla Chuda (“son of the servant of (Saint) Chuda”), a personal name of unexplained origin.

## Who carries it

Share of people named McGillicuddy 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% |
| Hispanic or Latino (any race) | 1.8% |
| Asian and Pacific Islander | 0.5% |
| Two or more races | 2.0% |

## Similar surnames

McGillis, McLaughlin, McCullough, McAllister, Michaels, McAlister, McCloskey, McCallister, McCulloch, Mickelson, Michels, Michalski.

## 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.