Explore the Family Name Dillavou
The meaning of Dillavou
Altered form of French Delaveaux: habitational name, with fused preposition de ‘from’, denoting someone from Laveaux or, as a variant of Delavaux, from Lavaux, names of several places in France. The surname Delaveaux is rare in France.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Dillavou in the United States?
Based on the Decennial U.S. Census data, the surname Dillavou has seen a rise in popularity from the year 2000 to 2010. In 2000, the surname was ranked 48,567 with a count of 408, representing a proportion of 0.15 per 100,000 people. By 2010, the rank had improved to 45,495 and the count increased to 470, increasing the proportion to 0.16 per 100,000 people. This shows a growth rate of 6.33 in rank and an increase of 15.2 in count over the decade.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #48,567 | #45,495 | 6.33% |
| Count | 408 | 470 | 15.2% |
| Proportion per 100k | 0.15 | 0.16 | 6.67% |
Race and Ethnicity of people with the last name Dillavou
When it comes to the ethnic identity associated with the surname Dillavou, the Decennial U.S. Census data reveals that the largest group identifies as White, with 96.08 percent in 2000 declining slightly to 95.96 percent in 2010. Individuals identifying as Asian/Pacific Islander and Hispanic appeared in the 2010 data with 1.06 percent and 1.28 percent respectively, not being present in the 2000 data. The percentage of individuals identifying with two or more races decreased from 1.72 percent in 2000 to 1.28 percent in 2010. No data was recorded for individuals identifying as Black or American Indian and Alaskan Native in either 2000 or 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 96.08% | 95.96% | -0.12% |
| Two or More Races | 1.72% | 1.28% | -25.58% |
| Hispanic | 0% | 1.28% | 0% |
| Asian/Pacific Islander | 0% | 1.06% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |