Kelly — Last Name Origin & Meaning

Irish origin Rank #74 in the US 267,394 Americans

US Rank (2010)
#74
▼ Down 5 since 2000
People in the US
267,394
90.65 per 100K people
Origin
Irish
Irish Gaelic

Origin & Meaning of the Kelly Surname

What does the last name Kelly mean?

The surname Kelly carries the meaning "Anglicized from O'Ceallaigh meaning 'descendant of the bright-headed one'." It is derived from the Irish Gaelic language and has been passed down through generations, reflecting the occupations, locations, or characteristics of early bearers of the name. With 267,394 bearers in the 2010 US Census, Kelly ranks as the #74 most common surname in the United States.

Where does the surname Kelly come from?

The Kelly surname has its roots in Irish heritage. Names of Irish origin often reflect the cultural, linguistic, and historical traditions of the communities where they first appeared. Over centuries, migration and cultural exchange have spread the Kelly name far beyond its original homeland.

Language of Origin

The linguistic roots of Kelly trace back to Irish Gaelic. Understanding the original language helps decode the meaning and evolution of the name from its earliest recorded forms to the modern spelling used today.

Irish Irish Gaelic

Quick Facts

Surname Kelly
Meaning Anglicized from O'Ceallaigh meaning 'descendant of the bright-headed one'
Origin Irish
Language Irish Gaelic
US Rank (2010) #74
US Count (2010) 267,394
Per 100K People 90.65
First Letter K

Ethnic Distribution of Kelly

According to the US Census, the Kelly surname is distributed across the following ethnic groups. This data reflects self-reported ethnicity among 267,394 Americans with the Kelly last name.

White 78.09%
Black 16.22%
Hispanic 2.69%
Asian/PI 0.64%
Native American 0.54%
Two+ Races 1.81%
Ethnic distribution of the Kelly surname in the US (2010 Census)
Ethnicity Percentage
White78.09%
Black16.22%
Hispanic2.69%
Asian/Pacific Islander0.64%
Native American0.54%
Two or More Races1.81%

Popularity of Kelly Over Time

Comparing US Census data from 2000 and 2010 shows how the Kelly surname has changed in prevalence.

Census 2000
#69
260,385 people
Down 5
Census 2010
#74
267,394 people

The number of Americans with the Kelly surname increased by 7,009 between 2000 and 2010.

Discover Your Kelly Ancestry

Uncover your family's history with a DNA test. Learn where your Kelly ancestors came from and connect with relatives worldwide.

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Similar Surnames to Kelly

These surnames share similar popularity, spelling, or cultural background with Kelly.

Other Irish Surnames

Explore more surnames with Irish roots. There are 162,254 surnames in our database — here are some that share the same Irish origin as Kelly.

Frequently Asked Questions About Kelly

The surname Kelly is of Irish origin. Anglicized from O'Ceallaigh meaning 'descendant of the bright-headed one'
The surname Kelly is ranked #74 in the United States with approximately 267,394 people bearing this name as of the 2010 US Census.
Anglicized from O'Ceallaigh meaning 'descendant of the bright-headed one'. The name has Irish roots and has been present in the United States for generations.
According to US Census data, the Kelly surname is distributed as: 78.1% White, 16.2% Black. This reflects the diverse heritage of Americans with this name.
To trace your Kelly ancestry, consider using DNA testing services like Ancestry.com, 23andMe, or MyHeritage. These services can connect you with relatives and reveal your ethnic heritage and migration patterns.

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