Explore the Family Name Reilley
The meaning of Reilley
Irish: variant of Reilly. Some characteristic forenames: Irish Brendan.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Reilley in the United States?
Based on the Decennial U.S. Census data, the popularity of the surname Reilley saw a modest increase between 2000 and 2010. In the year 2000, this surname ranked 18,607 in popularity with a count of 1,366 individuals. By 2010, it climbed slightly to rank 18,502 with a growth of 9.3% resulting in a count of 1,493 persons bearing the name. Remarkably, the proportion per 100,000 people remained unchanged at 0.51 over the decade.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #18,607 | #18,502 | 0.56% |
| Count | 1,366 | 1,493 | 9.3% |
| Proportion per 100k | 0.51 | 0.51 | 0% |
Race and Ethnicity of people with the last name Reilley
The ethnic identity associated with the surname Reilley also evolved over the same period, as shown by the Decennial U.S. Census data. While the majority identifying as White decreased slightly from 97.22% to 94.57%, there were noteworthy increases in other groups. The Hispanic population experienced the most significant growth, skyrocketing from 0.81% to 2.41%. Asian/Pacific Islanders also saw substantial growth, rising from 0.44% to 0.80%. Those identifying as two or more races increased modestly from 1.02% to 1.21%. Meanwhile, the Black population and American Indian and Alaskan Native populations made their first appearances on the chart in 2010 at 0.33% and 0.67%, respectively.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 97.22% | 94.57% | -2.73% |
| Hispanic | 0.81% | 2.41% | 197.53% |
| Two or More Races | 1.02% | 1.21% | 18.63% |
| Asian/Pacific Islander | 0.44% | 0.8% | 81.82% |
| American Indian and Alaskan Native | 0% | 0.67% | 0% |
| Black | 0% | 0.33% | 0% |