Explore the Family Name Blacklock

The meaning of Blacklock

English (northern): nickname for someone with dark hair, from Middle English blāk + lok(e) (Old English blæc + locc), although blāk might mean either ‘dark’ or ‘fair’ (see Black). The meaning ‘dark hair’ is the most probable since this name contrasts with Whitlock.

Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.

How common is the last name Blacklock in the United States?

The surname "Blacklock" was ranked 24,200 in popularity according to the Decennial U.S. Census data from the year 2000, and it slightly dropped to rank 24,685 in 2010. This change in ranking signifies a -2.0% decrease over the decade. However, the count of people with this surname increased by 4.12%, from 971 individuals in 2000 to 1,011 in 2010. Additionally, the proportion per 100,000 people decreased by -5.56%, from 0.36 in 2000 to 0.34 in 2010, indicating that while the number of people with this surname grew, its overall prevalence compared to other surnames declined.

20002010Change
Rank#24,200#24,685-2%
Count9711,0114.12%
Proportion per 100k0.360.34-5.56%

Race and Ethnicity of people with the last name Blacklock

In terms of ethnic identity, the data from the Decennial U.S. Census reveals shifts between 2000 and 2010. The majority of people with the Blacklock surname identified as White, at 87.54% in 2000, dropping slightly to 85.66% in 2010. Those identifying as Black increased from 9.06% to 10.48%, representing a rise of 15.67%. The Hispanic demographic also saw an increase, going up by 11.22% from 1.96% in 2000 to 2.18% in 2010. Meanwhile, those identifying with two or more races decreased by 33.01%, from 1.03% to 0.69%. Interestingly, the categories of Asian/Pacific Islander and American Indian and Alaskan Native both had no representation in 2000 but appeared in 2010, each accounting for 0.49% of the Blacklocks.

20002010Change
White87.54%85.66%-2.15%
Black9.06%10.48%15.67%
Hispanic1.96%2.18%11.22%
Two or More Races1.03%0.69%-33.01%
Asian/Pacific Islander0%0.49%0%
American Indian and Alaskan Native0%0.49%0%