# Clancy (surname)

Source: https://namelineage.com/surname/clancy/  
Publisher: Name Lineage. Counts from the US Census Bureau; origin and etymology from Wiktionary; bearers from Wikidata. Data updated 2026-11-11.

An English 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) | 12,556 |
| US rank (2010) | 2,871 of 162,253 |
| How often | about 1 in every 24,589 people |
| Change since 2000 | +4.1% (12,066 in 2000) |
| Pronunciation | /ˈklænsi/, 2 syllables |
| Variant spellings | Clancey, Glancey, Glancy |

## Etymology

Reduced Anglicized form of Irish Mac Fhlannchaidh (“descendant of a person named Red Warrior”), from flann (“blood-red”).

## Who carries it

Share of people named Clancy 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) | 91% |
| Black (not Hispanic) | 4.6% |
| Hispanic or Latino (any race) | 2.0% |
| Asian and Pacific Islander | 0.8% |
| American Indian and Alaska Native | 0.3% |
| Two or more races | 1.4% |

## Where

Wikidata records people named Clancy in Australia and the United States.

## People named Clancy

- Tom Clancy, American author (1947–2013)
- Edward Bede Clancy, Australian archbishop (1923–2014)
- Taliqua Clancy, Australian beach volleyball player

## Similar surnames

Claunch, Collins, Colunga, Cullins, Colangelo, Collings, Collinsworth, Cowling, Clinger, Clinkscales, Clingan, Collingwood.

## 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.