Explore the Family Name Mcarthy
The meaning of Mcarthy
Irish: Anglicized form of Gaelic Mac Cárthaigh, ‘son of Cárthach’. See McCarthy.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Mcarthy in the United States?
Based on the Decennial U.S. Census, the surname Mcarthy experienced a decline in popularity between 2000 and 2010. In 2000, it was ranked 41,995 out of all surnames, but by 2010 it had fallen to 49,365, representing a decrease of 17.55 percent. The actual count of people with this surname similarly decreased by 12.53 percent from 487 in 2000 to 426 in 2010. The proportion of people named Mcarthy per 100k also declined by 22.22 percent during this decade.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #41,995 | #49,365 | -17.55% |
| Count | 487 | 426 | -12.53% |
| Proportion per 100k | 0.18 | 0.14 | -22.22% |
Race and Ethnicity of people with the last name Mcarthy
When it comes to ethnic identity, the Decennial U.S. Census data shows that most individuals with the surname Mcarthy identify as White, accounting for 89.32 percent in 2000 and slightly decreasing to 86.85 percent in 2010. There were no recorded individuals who identified as Asian/Pacific Islander or American Indian and Alaskan Native under this surname. However, there's been an increase in the percentage of those identifying as Black, Hispanic, and those of two or more races. The largest growth was seen among those identifying as Hispanic at 31.84 percent. Those identifying as Black increased by 28.07 percent, while those of two or more races increased by 30.56 percent.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 89.32% | 86.85% | -2.77% |
| Black | 5.13% | 6.57% | 28.07% |
| Hispanic | 2.67% | 3.52% | 31.84% |
| Two or More Races | 1.44% | 1.88% | 30.56% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |