Explore the Family Name Hennesy
The meaning of Hennesy
Irish (Cork): variant of Hennessy.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Hennesy in the United States?
According to the Decennial U.S. Census, the surname Hennesy has seen a slight increase in popularity from 2000 to 2010. In 2000, it ranked 47,838 and moved up slightly to 47,791 in 2010, marking a change of 0.1%. The count of individuals with this surname also saw growth over the decade, increasing by 6.49% from 416 people in 2000 to 443 in 2010. However, the proportion per 100,000 people remained steady at 0.15.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #47,838 | #47,791 | 0.1% |
| Count | 416 | 443 | 6.49% |
| Proportion per 100k | 0.15 | 0.15 | 0% |
Race and Ethnicity of people with the last name Hennesy
The Decennial U.S. Census data also provides insight into the ethnicity associated with the surname Hennesy. The majority identify as White, accounting for 78.61% in 2000 and growing to 79.46% in 2010. Those identifying as Black made up the next largest group at 17.07% in 2000, though this decreased to 15.35% in 2010. There were notable changes among those identifying with two or more ethnicities, which increased from 1.44% to 2.03%, and those identifying as Hispanic, which went from no recorded percentage in 2000 to 2.48% in 2010. The Asian/Pacific Islander group saw a decrease, going from 1.68% in 2000 to zero in 2010, and no individuals identified as American Indian and Alaskan Native in either year.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 78.61% | 79.46% | 1.08% |
| Black | 17.07% | 15.35% | -10.08% |
| Hispanic | 0% | 2.48% | 0% |
| Two or More Races | 1.44% | 2.03% | 40.97% |
| Asian/Pacific Islander | 1.68% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |