# Molloy (surname)

Source: https://namelineage.com/surname/molloy/  
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) | 7,238 |
| US rank (2010) | 4,868 of 162,253 |
| How often | about 1 in every 42,656 people |
| Change since 2000 | +3.6% (6,986 in 2000) |
| Pronunciation | not recorded |
| Variant spellings | Malloy, Mulloy |

## Etymology

Reduced Anglicized form of Irish Ó Maolmhuaidh (“descendant of Maolmhuadh”), a personal name composed of maol (“chieftain”) + muadh (“noble, big”). It could also be an Anglicized form of Ó Maolmhaodhóg (“descendant of the servant of (Saint) Maodhóg”); compare Logue.

## Who carries it

Share of people named Molloy 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) | 94% |
| Black (not Hispanic) | 0.6% |
| Hispanic or Latino (any race) | 2.9% |
| Asian and Pacific Islander | 0.5% |
| American Indian and Alaska Native | 0.2% |
| Two or more races | 1.4% |

## Where

Wikidata records people named Molloy in Colony of Western Australia.

## People named Molloy

- Georgiana Molloy, British born Australian botanist and botanical collector (1805-1843)

## Similar surnames

Malloy, Mello, Moll, Mulloy, Mole, Mowell, Melo, Mull, Miley, Maloy, Mayle, Maley.

## 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.