Explore the Family Name Portlock

The meaning of Portlock

English: habitational name from Porlock in Somerset, recorded in Domesday Book as Portloc, being named with Old English port ‘port, harbor’ + loca ‘enclosure’.

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

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

Based on the data from the Decennial U.S. Census, the surname Portlock saw a slight increase in popularity between 2000 and 2010, with its rank moving from 32,380 to 32,302, indicating a change of 0.24 percent. The count of individuals bearing this surname also grew by 6.42 percent, rising from 670 in 2000 to 713 in 2010. However, when looking at the proportion per 100,000 people, there was a decrease of 4.0 percent, moving from 0.25 to 0.24.

20002010Change
Rank#32,380#32,3020.24%
Count6707136.42%
Proportion per 100k0.250.24-4%

Race and Ethnicity of people with the last name Portlock

The ethnic identity associated with the name Portlock also shifted between 2000 and 2010, according to the Decennial U.S. Census. There was no recorded Asian/Pacific Islander or American Indian and Alaskan Native ethnicity associated with this surname in either year. The percentage of individuals identifying as White decreased slightly from 66.12 percent to 64.24 percent. Meanwhile, the percentage identifying as Black increased marginally from 29.25 percent to 30.15 percent. The most significant change occurred among those identifying as Hispanic, increasing from 0.75 percent to 1.68 percent. The percentage of individuals identifying with two or more ethnicities also rose from 2.69 to 3.09 percent.

20002010Change
White66.12%64.24%-2.84%
Black29.25%30.15%3.08%
Two or More Races2.69%3.09%14.87%
Hispanic0.75%1.68%124%
Asian/Pacific Islander0%0%0%
American Indian and Alaskan Native0%0%0%