# Shanahan (surname)

Source: https://namelineage.com/surname/shanahan/  
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) | 8,616 |
| US rank (2010) | 4,119 of 162,253 |
| How often | about 1 in every 35,834 people |
| Change since 2000 | +4.7% (8,228 in 2000) |
| Pronunciation | not recorded |
| Variant spellings | none recorded |

## Etymology

Reduced Anglicized form of Irish Ó Seanacháin.

## Who carries it

Share of people named Shanahan 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) | 0.2% |
| Hispanic or Latino (any race) | 2.5% |
| Asian and Pacific Islander | 1.0% |
| American Indian and Alaska Native | 0.2% |
| Two or more races | 1.2% |

## Where

Wikidata records people named Shanahan in the United States.

## People named Shanahan

- Kyle Shanahan, American football coach (born 1979)
- Nicole Shanahan, American entrepreneur, attorney, and 2024 vice-presidential nominee of Robert F. Kennedy J
- Mike Shanahan, American football coach

## Similar surnames

Shannon, Simon, Seaman, Shuman, Simone, Schumann, Schuman, Samano, Sanon, Simeone, Simeon, Seeman.

## 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.