Explore the Family Name Gerlock

The meaning of Gerlock

Americanized form of German Gerlach or variant of the Slavic form Gerloch.

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

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

Based on data from the Decennial U.S. Census, the surname Gerlock held a popularity rank of 57,090 in the year 2000 and slightly fell to a rank of 58,735 in 2010, indicating a decrease in popularity by approximately 2.88%. Despite this dip in ranking, the total count of individuals with the Gerlock surname actually rose from 334 to 345 during the same period, marking a modest increase of 3.29%. The proportion of persons named Gerlock per 100,000 remained steady at 0.12 across both census years.

20002010Change
Rank#57,090#58,735-2.88%
Count3343453.29%
Proportion per 100k0.120.120%

Race and Ethnicity of people with the last name Gerlock

In terms of ethnicity as per the Decennial U.S. Census data, the Gerlock surname was primarily associated with White ethnic identity, although there was a minor decline from 95.51% in 2000 to 92.75% in 2010. During the same period, the representation of Hispanics within the Gerlock surname bearers saw a significant surge of 69.64%, increasing from 3.59% to 6.09%. Notably, there were no recorded instances of the Gerlock surname among Asian/Pacific Islanders, those identifying with two or more races, Blacks, or American Indian and Alaskan Natives during either census year.

20002010Change
White95.51%92.75%-2.89%
Hispanic3.59%6.09%69.64%
Asian/Pacific Islander0%0%0%
Two or More Races0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%