Ocallaghan — Last Name Origin & Meaning

European origin Rank #10,626 in the US 3,014 Americans

US Rank (2010)
#10,626
▼ Down 38 since 2000
People in the US
3,014
1.02 per 100K people
Origin
European
European

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.

European European

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.

White 95.49%
Black 0.3%
Hispanic 1.96%
Asian/PI 0.66%
Two+ Races 1.59%
Ethnic distribution of the Ocallaghan surname in the US (2010 Census)
Ethnicity Percentage
White95.49%
Black0.3%
Hispanic1.96%
Asian/Pacific Islander0.66%
Two or More Races1.59%

Popularity of Ocallaghan Over Time

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

Census 2000
#10,588
2,779 people
Down 38
Census 2010
#10,626
3,014 people

The number of Americans with the Ocallaghan surname increased by 235 between 2000 and 2010.

Discover Your Ocallaghan Ancestry

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

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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

The surname Ocallaghan is of European origin. Family name of European origin
The surname Ocallaghan is ranked #10,626 in the United States with approximately 3,014 people bearing this name as of the 2010 US Census.
Family name of European origin. The name has European roots and has been present in the United States for generations.
According to US Census data, the Ocallaghan surname is distributed as: 95.5% White. This reflects the diverse heritage of Americans with this name.
To trace your Ocallaghan 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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