Lock — Last Name Origin & Meaning

Unknown origin Rank #5,058 in the US 6,936 Americans

US Rank (2010)
#5,058
▼ Down 123 since 2000
People in the US
6,936
2.35 per 100K people
Origin
Unknown
Unknown

Origin & Meaning of the Lock Surname

What does the last name Lock mean?

The surname Lock 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 6,936 bearers in the 2010 US Census, Lock ranks as the #5,058 most common surname in the United States.

Where does the surname Lock come from?

The Lock 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 Lock name far beyond its original homeland.

Language of Origin

The linguistic roots of Lock 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 Lock
Meaning Origin and meaning under research
Origin Unknown
Language Unknown
US Rank (2010) #5,058
US Count (2010) 6,936
Per 100K People 2.35
First Letter L

Ethnic Distribution of Lock

According to the US Census, the Lock surname is distributed across the following ethnic groups. This data reflects self-reported ethnicity among 6,936 Americans with the Lock last name.

White 76.33%
Black 10.86%
Hispanic 3.03%
Asian/PI 6.93%
Native American 0.89%
Two+ Races 1.96%
Ethnic distribution of the Lock surname in the US (2010 Census)
Ethnicity Percentage
White76.33%
Black10.86%
Hispanic3.03%
Asian/Pacific Islander6.93%
Native American0.89%
Two or More Races1.96%

Popularity of Lock Over Time

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

Census 2000
#4,935
6,543 people
Down 123
Census 2010
#5,058
6,936 people

The number of Americans with the Lock surname increased by 393 between 2000 and 2010.

Discover Your Lock Ancestry

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

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Similar Surnames to Lock

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

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 Lock.

Frequently Asked Questions About Lock

The surname Lock is of Unknown origin. Origin and meaning under research
The surname Lock is ranked #5,058 in the United States with approximately 6,936 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 Lock surname is distributed as: 76.3% White, 10.9% Black, 6.9% Asian/Pacific Islander. This reflects the diverse heritage of Americans with this name.
To trace your Lock 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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