Explore the Family Name Dillehay
The meaning of Dillehay
Altered form of French Delahaye.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Dillehay in the United States?
Based on data from the Decennial U.S. Census, the surname Dillehay's popularity experienced a slight decrease between 2000 and 2010. In 2000, it was ranked 29,662 in terms of commonality, dropping to 31,412 in 2010. This represents a change of -5.9%. Additionally, the count of people with this surname decreased from 749 in 2000 to 737 in 2010, reflecting a -1.6% change. The proportion per 100,000 also saw a decline of -10.71%, moving from 0.28 in 2000 to 0.25 in 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #29,662 | #31,412 | -5.9% |
| Count | 749 | 737 | -1.6% |
| Proportion per 100k | 0.28 | 0.25 | -10.71% |
Race and Ethnicity of people with the last name Dillehay
Regarding ethnicity associated with the surname Dillehay, the Decennial U.S. Census data indicates it is predominantly identified with White individuals, maintaining a consistent percentage of 91.86% in both 2000 and 2010. There were minor fluctuations in other ethnic identities over this decade. The Hispanic population increased slightly from 2.4% to 2.71%, a change of 12.92%. The Black community also saw an increase, albeit small, from 3.47% to 3.53%, representing a 1.73% change. Interestingly, the Asian/Pacific Islander representation emerged at 1.09% in 2010 from zero in 2000. Conversely, the proportion identifying as two or more races dropped from 1.47% in 2000 to none in 2010. The American Indian and Alaskan Native category remained at zero for both years.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 91.86% | 91.86% | 0% |
| Black | 3.47% | 3.53% | 1.73% |
| Hispanic | 2.4% | 2.71% | 12.92% |
| Asian/Pacific Islander | 0% | 1.09% | 0% |
| Two or More Races | 1.47% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |