Origin & Meaning of the Ocallaghan Surname
What does the last name Ocallaghan mean?
The surname Ocallaghan carries the meaning "Family name of European origin." It is derived from the European language and has been passed down through generations, reflecting the occupations, locations, or characteristics of early bearers of the name. With 3,014 bearers in the 2010 US Census, Ocallaghan ranks as the #10,626 most common surname in the United States.
Where does the surname Ocallaghan come from?
The Ocallaghan surname has its roots in European heritage. Names of European 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 Ocallaghan name far beyond its original homeland.
Language of Origin
The linguistic roots of Ocallaghan trace back to European. 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 | Ocallaghan |
|---|---|
| Meaning | Family name of European origin |
| Origin | European |
| Language | European |
| US Rank (2010) | #10,626 |
| US Count (2010) | 3,014 |
| Per 100K People | 1.02 |
| First Letter | O |
Ethnic Distribution of Ocallaghan
According to the US Census, the Ocallaghan surname is distributed across the following ethnic groups. This data reflects self-reported ethnicity among 3,014 Americans with the Ocallaghan last name.
| Ethnicity | Percentage |
|---|---|
| White | 95.49% |
| Black | 0.3% |
| Hispanic | 1.96% |
| Asian/Pacific Islander | 0.66% |
| Two or More Races | 1.59% |
Popularity of Ocallaghan Over Time
Comparing US Census data from 2000 and 2010 shows how the Ocallaghan surname has changed in prevalence.
The number of Americans with the Ocallaghan surname increased by 235 between 2000 and 2010.
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Similar Surnames to Ocallaghan
These surnames share similar popularity, spelling, or cultural background with Ocallaghan.
Other European Surnames
Explore more surnames with European roots. There are 162,254 surnames in our database — here are some that share the same European origin as Ocallaghan.
Frequently Asked Questions About Ocallaghan
Top Surnames Starting with O
The most common American surnames that begin with the letter O, ranked by population.
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