# O'Hara (surname)

Source: https://namelineage.com/surname/ohara/  
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 | not recorded |
| People in the US (2010 Census) | 21,710 |
| US rank (2010) | 1,660 of 162,253 |
| How often | about 1 in every 14,221 people |
| Change since 2000 | +3.0% (21,068 in 2000) |
| Pronunciation | /oʊˈhæɹɑ/, 3 syllables |
| Variant spellings | none recorded |

## Etymology

Anglicization of Irish Ó hEaghra.

## Who carries it

Share of people named O'Hara 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) | 88% |
| Black (not Hispanic) | 2.8% |
| Hispanic or Latino (any race) | 3.3% |
| Asian and Pacific Islander | 3.4% |
| American Indian and Alaska Native | 0.3% |
| Two or more races | 1.8% |

## Similar surnames

O'Hare, 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.