Sinclair — Last Name Origin & Meaning

Unknown origin Rank #1,290 in the US 27,243 Americans

US Rank (2010)
#1,290
▼ Down 51 since 2000
People in the US
27,243
9.24 per 100K people
Origin
Unknown
Unknown

Origin & Meaning of the Sinclair Surname

What does the last name Sinclair mean?

The surname Sinclair 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 27,243 bearers in the 2010 US Census, Sinclair ranks as the #1,290 most common surname in the United States.

Where does the surname Sinclair come from?

The Sinclair 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 Sinclair name far beyond its original homeland.

Language of Origin

The linguistic roots of Sinclair 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 Sinclair
Meaning Origin and meaning under research
Origin Unknown
Language Unknown
US Rank (2010) #1,290
US Count (2010) 27,243
Per 100K People 9.24
First Letter S

Ethnic Distribution of Sinclair

According to the US Census, the Sinclair surname is distributed across the following ethnic groups. This data reflects self-reported ethnicity among 27,243 Americans with the Sinclair last name.

White 73.01%
Black 19.94%
Hispanic 3.81%
Asian/PI 0.66%
Native American 0.71%
Two+ Races 1.88%
Ethnic distribution of the Sinclair surname in the US (2010 Census)
Ethnicity Percentage
White73.01%
Black19.94%
Hispanic3.81%
Asian/Pacific Islander0.66%
Native American0.71%
Two or More Races1.88%

Popularity of Sinclair Over Time

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

Census 2000
#1,239
26,014 people
Down 51
Census 2010
#1,290
27,243 people

The number of Americans with the Sinclair surname increased by 1,229 between 2000 and 2010.

Discover Your Sinclair Ancestry

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

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Similar Surnames to Sinclair

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

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 Sinclair.

Frequently Asked Questions About Sinclair

The surname Sinclair is of Unknown origin. Origin and meaning under research
The surname Sinclair is ranked #1,290 in the United States with approximately 27,243 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 Sinclair surname is distributed as: 73.0% White, 19.9% Black. This reflects the diverse heritage of Americans with this name.
To trace your Sinclair 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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