Explore the Family Name Dau
The meaning of Dau
1. North German, East Frisian, and North Frisian: from the Frisian personal name Douwe, from dou ‘pigeon’. 2. South German: from Davo, a short form of the personal name Tavold, formed with Old High German dau ‘custom, tradition’. 3. Vietnamese (Đậu): from the Chinese surname 竇, see Dou 1. Some characteristic forenames: Vietnamese Son, Tuan, Dai, Dinh, Duong, Giao, Hoa, Huong, Khuyen, Linh, Mau, Phu.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Dau in the United States?
The surname Dau has seen a rise in popularity between the years 2000 and 2010, according to data from the Decennial U.S. Census. The rank of this surname improved from 21,349 in 2000 to 18,411 in 2010, marking a growth rate of 13.76%. Furthermore, the count of people with this surname climbed from 1,143 in 2000 to 1,504 in 2010, indicating a significant increase of 31.58%. The proportion of individuals carrying the Dau surname per 100,000 also elevated by 21.43%, moving from 0.42 in 2000 to 0.51 in 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #21,349 | #18,411 | 13.76% |
| Count | 1,143 | 1,504 | 31.58% |
| Proportion per 100k | 0.42 | 0.51 | 21.43% |
Race and Ethnicity of people with the last name Dau
With regard to ethnicity, again based on data from the Decennial U.S. Census, there have been notable shifts between 2000 and 2010. In 2000, the largest ethnic identity associated with the surname Dau was White, at 73.05%. However, by 2010, this percentage had dropped to 60.57%. Meanwhile, those identifying as Asian/Pacific Islander increased from 20.12% to 25.07%. Additionally, a new ethnic identity emerged within the Dau surname demographic: Black, which accounted for 7.91% in 2010 - up from 0% in 2000. The percentage of Hispanics also saw a substantial rise, growing by 57.09% to reach 3.99% in 2010. The category of two or more races, however, declined from 2.45% in 2000 to 0% in 2010. There were no reported instances of American Indian and Alaskan Native identities for either year.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 73.05% | 60.57% | -17.08% |
| Asian/Pacific Islander | 20.12% | 25.07% | 24.6% |
| Black | 0% | 7.91% | 0% |
| Hispanic | 2.54% | 3.99% | 57.09% |
| Two or More Races | 2.45% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |