Gilliam — Last Name Origin & Meaning

Unknown origin Rank #1,204 in the US 29,414 Americans

US Rank (2010)
#1,204
▼ Down 63 since 2000
People in the US
29,414
9.97 per 100K people
Origin
Unknown
Unknown

Origin & Meaning of the Gilliam Surname

What does the last name Gilliam mean?

The surname Gilliam carries the meaning "Origin and meaning under research." It is derived from the Unknown language and has been passed down through generations, reflecting the occupations, locations, or characteristics of early bearers of the name. With 29,414 bearers in the 2010 US Census, Gilliam ranks as the #1,204 most common surname in the United States.

Where does the surname Gilliam come from?

The Gilliam surname has its roots in Unknown heritage. Names of Unknown 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 Gilliam name far beyond its original homeland.

Language of Origin

The linguistic roots of Gilliam trace back to Unknown. Understanding the original language helps decode the meaning and evolution of the name from its earliest recorded forms to the modern spelling used today.

Unknown Unknown

Quick Facts

Surname Gilliam
Meaning Origin and meaning under research
Origin Unknown
Language Unknown
US Rank (2010) #1,204
US Count (2010) 29,414
Per 100K People 9.97
First Letter G

Ethnic Distribution of Gilliam

According to the US Census, the Gilliam surname is distributed across the following ethnic groups. This data reflects self-reported ethnicity among 29,414 Americans with the Gilliam last name.

White 60.55%
Black 34.14%
Hispanic 1.92%
Asian/PI 0.39%
Native American 0.55%
Two+ Races 2.45%
Ethnic distribution of the Gilliam surname in the US (2010 Census)
Ethnicity Percentage
White60.55%
Black34.14%
Hispanic1.92%
Asian/Pacific Islander0.39%
Native American0.55%
Two or More Races2.45%

Popularity of Gilliam Over Time

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

Census 2000
#1,141
28,075 people
Down 63
Census 2010
#1,204
29,414 people

The number of Americans with the Gilliam surname increased by 1,339 between 2000 and 2010.

Discover Your Gilliam Ancestry

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

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Similar Surnames to Gilliam

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

Other Unknown Surnames

Explore more surnames with Unknown roots. There are 162,254 surnames in our database — here are some that share the same Unknown origin as Gilliam.

Frequently Asked Questions About Gilliam

The surname Gilliam is of Unknown origin. Origin and meaning under research
The surname Gilliam is ranked #1,204 in the United States with approximately 29,414 people bearing this name as of the 2010 US Census.
Origin and meaning under research. The name has Unknown roots and has been present in the United States for generations.
According to US Census data, the Gilliam surname is distributed as: 60.5% White, 34.1% Black. This reflects the diverse heritage of Americans with this name.
To trace your Gilliam 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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