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.
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.
| Ethnicity | Percentage |
|---|---|
| White | 78.09% |
| Black | 16.22% |
| Hispanic | 2.69% |
| Asian/Pacific Islander | 0.64% |
| Native American | 0.54% |
| Two or More Races | 1.81% |
Popularity of Kelly Over Time
Comparing US Census data from 2000 and 2010 shows how the Kelly surname has changed in prevalence.
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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The Complete Story of the Kelly Family
What you’ve read above is just the overview. Your full Kelly Heritage Report goes far deeper — and it’s yours to keep, print & share with your family.
- ✓ The true origin & meaning of Kelly
- ✓ The Kelly coat of arms & heraldry
- ✓ Migration journey across the world
- ✓ Where Kelly families live today
- ✓ Notable Kelly bearers in history
- ✓ Name variations & spellings worldwide
- ✓ A step-by-step guide to start tracing your own family tree
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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
Top Surnames Starting with K
The most common American surnames that begin with the letter K, ranked by population.
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