# Counihan (surname)

Source: https://namelineage.com/surname/counihan/  
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) | 626 |
| US rank (2010) | 35,866 of 162,253 |
| How often | about 1 in every 493,204 people |
| Change since 2000 | +2.6% (610 in 2000) |
| Pronunciation | not recorded |
| Variant spellings | none recorded |

## Etymology

Reduced Anglicized form of Irish Ó Cuanacháin (“descendant of Cuanachán”), a diminutive of the personal name Cuana.

## Who carries it

Share of people named Counihan 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) | 97% |
| Hispanic or Latino (any race) | 1.0% |
| Asian and Pacific Islander | 1.0% |
| Two or more races | 0.8% |

## Similar surnames

Conine, Coonan, Cannon, Cimino, Canon, Coenen, Coman, Canino, Cowman, Caamano, Cannan.

## 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.