Explore the Family Name Harnett

The meaning of Harnett

1. Irish: variant of Hartnett. 2. English: variant of Arnold. Some characteristic forenames: Irish Aileen, Fergus.

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

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

According to data from the Decennial U.S. Census, the popularity of the surname Harnett seems to have slightly declined between 2000 and 2010. In 2000, it ranked 19208 and by 2010, it had fallen to 20553 in rank, representing a change of -7.0 percent. The count of individuals bearing this surname also showed a minimal decrease of -1.3 percent from 1307 people in 2000 to 1290 in 2010. Correspondingly, the proportion per 100,000 population decreased by -8.33 percent.

20002010Change
Rank#19,208#20,553-7%
Count1,3071,290-1.3%
Proportion per 100k0.480.44-8.33%

Race and Ethnicity of people with the last name Harnett

In terms of ethnicity as reported in the Decennial U.S. Census, the majority of individuals with the surname Harnett identified themselves as white in both 2000 and 2010. However, there was a slight decrease in this demographic, dropping from 91.58 percent in 2000 to 87.75 percent in 2010. There was a significant increase in those identifying as Hispanic, rising from 1.76 percent in 2000 to 5.43 percent in 2010, reflecting a 208.52 percent change. Those identifying under two or more races also increased by 20.50 percent while the percentage identifying as Black saw a small decrease of -4.05 percent. No data was available for those identifying as Asian/Pacific Islander in 2000, but this group made up 0.62 percent of Harnetts in 2010. The American Indian and Alaskan Native category recorded no changes throughout the decade.

20002010Change
White91.58%87.75%-4.18%
Hispanic1.76%5.43%208.52%
Black4.44%4.26%-4.05%
Two or More Races1.61%1.94%20.5%
Asian/Pacific Islander0%0.62%0%
American Indian and Alaskan Native0%0%0%