Cahill — Last Name Origin & Meaning

European origin Rank #1,737 in the US 20,623 Americans

US Rank (2010)
#1,737
▼ Down 112 since 2000
People in the US
20,623
6.99 per 100K people
Origin
European
European

Origin & Meaning of the Cahill Surname

What does the last name Cahill mean?

The surname Cahill 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 20,623 bearers in the 2010 US Census, Cahill ranks as the #1,737 most common surname in the United States.

Where does the surname Cahill come from?

The Cahill 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 Cahill name far beyond its original homeland.

Language of Origin

The linguistic roots of Cahill 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 Cahill
Meaning Family name of European origin
Origin European
Language European
US Rank (2010) #1,737
US Count (2010) 20,623
Per 100K People 6.99
First Letter C

Ethnic Distribution of Cahill

According to the US Census, the Cahill surname is distributed across the following ethnic groups. This data reflects self-reported ethnicity among 20,623 Americans with the Cahill last name.

White 94.54%
Black 1.0%
Hispanic 2.15%
Asian/PI 0.64%
Native American 0.33%
Two+ Races 1.33%
Ethnic distribution of the Cahill surname in the US (2010 Census)
Ethnicity Percentage
White94.54%
Black1.0%
Hispanic2.15%
Asian/Pacific Islander0.64%
Native American0.33%
Two or More Races1.33%

Popularity of Cahill Over Time

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

Census 2000
#1,625
20,181 people
Down 112
Census 2010
#1,737
20,623 people

The number of Americans with the Cahill surname increased by 442 between 2000 and 2010.

Discover Your Cahill Ancestry

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

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Similar Surnames to Cahill

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

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 Cahill.

Frequently Asked Questions About Cahill

The surname Cahill is of European origin. Family name of European origin
The surname Cahill is ranked #1,737 in the United States with approximately 20,623 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 Cahill surname is distributed as: 94.5% White. This reflects the diverse heritage of Americans with this name.
To trace your Cahill 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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