# O'Hare (surname)

Source: https://namelineage.com/surname/ohare/  
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) | 5,128 |
| US rank (2010) | 6,607 of 162,253 |
| How often | about 1 in every 60,208 people |
| Change since 2000 | +1.2% (5,065 in 2000) |
| Pronunciation | not recorded |
| Variant spellings | none recorded |

## Etymology

Anglicized form of Irish Ó hAichir (“descendant of Aichear”), a byname from aichear (“sharp, keen”).

## Who carries it

Share of people named O'Hare 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% |
| Black (not Hispanic) | 0.8% |
| Hispanic or Latino (any race) | 2.8% |
| Asian and Pacific Islander | 0.5% |
| American Indian and Alaska Native | 0.1% |
| Two or more races | 1.2% |

## Where

Wikidata records people named O'Hare in the United States and Australia.

## People named O'Hare

- Denis O'Hare, American actor
- Michael O'Hare, American actor (1952–2012)
- Anne O'Hare McCormick, American journalist (1880–1954)
- Kate Richards O'Hare, American activist (1876-1948)
- Sarah Murdoch, Australian model and television presenter

## Similar surnames

O'Hara, Ohair, Orr, Oyer, Ore, Orea, Oro, Or, Oraha.

## 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.