# Dunleavy (surname)

Source: https://namelineage.com/surname/dunleavy/  
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) | 2,517 |
| US rank (2010) | 12,351 of 162,253 |
| How often | about 1 in every 122,664 people |
| Change since 2000 | +3.0% (2,443 in 2000) |
| Pronunciation | not recorded |
| Variant spellings | Dunlavey, Dunlavy, Dunlevy |

## Etymology

Reduced Anglicized form of Irish Mac Duinnshléibhe (“son of Donn Sléibhe”), a personal name composed of the elements donn (“brown”) and sléibhe, genitive form of sliabh (“mountain”).

## Who carries it

Share of people named Dunleavy 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) | 96% |
| Black (not Hispanic) | 0.4% |
| Hispanic or Latino (any race) | 2.1% |
| Asian and Pacific Islander | 0.6% |
| American Indian and Alaska Native | 0.4% |
| Two or more races | 0.9% |

## Where

Wikidata records people named Dunleavy in the United States.

## People named Dunleavy

- Mike Dunleavy Jr., American basketball player (born 1980)
- Mike Dunleavy, Sr., American basketball player, coach, executive

## Similar surnames

Dunlevy, Dunlap, Dunlop.

## 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.