Tiernan — Last Name Origin & Meaning

European origin Rank #12,204 in the US 2,552 Americans

US Rank (2010)
#12,204
▼ Down 223 since 2000
People in the US
2,552
0.87 per 100K people
Origin
European
European

Origin & Meaning of the Tiernan Surname

What does the last name Tiernan mean?

The surname Tiernan 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 2,552 bearers in the 2010 US Census, Tiernan ranks as the #12,204 most common surname in the United States.

Where does the surname Tiernan come from?

The Tiernan 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 Tiernan name far beyond its original homeland.

Language of Origin

The linguistic roots of Tiernan 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 Tiernan
Meaning Family name of European origin
Origin European
Language European
US Rank (2010) #12,204
US Count (2010) 2,552
Per 100K People 0.87
First Letter T

Ethnic Distribution of Tiernan

According to the US Census, the Tiernan surname is distributed across the following ethnic groups. This data reflects self-reported ethnicity among 2,552 Americans with the Tiernan last name.

White 95.81%
Black 0.2%
Hispanic 2.47%
Asian/PI 0.51%
Native American 0.2%
Two+ Races 0.82%
Ethnic distribution of the Tiernan surname in the US (2010 Census)
Ethnicity Percentage
White95.81%
Black0.2%
Hispanic2.47%
Asian/Pacific Islander0.51%
Native American0.2%
Two or More Races0.82%

Popularity of Tiernan Over Time

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

Census 2000
#11,981
2,392 people
Down 223
Census 2010
#12,204
2,552 people

The number of Americans with the Tiernan surname increased by 160 between 2000 and 2010.

Discover Your Tiernan Ancestry

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

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Similar Surnames to Tiernan

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

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 Tiernan.

Frequently Asked Questions About Tiernan

The surname Tiernan is of European origin. Family name of European origin
The surname Tiernan is ranked #12,204 in the United States with approximately 2,552 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 Tiernan surname is distributed as: 95.8% White. This reflects the diverse heritage of Americans with this name.
To trace your Tiernan 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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