Explore the Family Name Deneau
The meaning of Deneau
1. French: habitational name, with fused preposition de ‘from’, denoting someone from Neau, a place in Mayenne. 2. French: from a variant of the personal name Daniau, the northern form of Daniel, in which the final syllable -(i)el has been vocalized. 3. Altered form of French Deniau, a cognate of 2 above. Compare Dano, Denault, Denio, and Denno. Some characteristic forenames: French Huguette.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Deneau in the United States?
Based on the Decennial U.S. Census, the surname Deneau has seen a slight decrease in popularity from 2000 to 2010. In 2000, the Deneau name ranked at 32,939, but by 2010 it had fallen to a rank of 36,286, representing a 10.16% drop. Similarly, the count of people with this surname decreased by 5.95%, from 656 in 2000 to 617 in 2010. The data also shows that the proportion of the population with this surname per 100,000 people fell by 12.5%, from 0.24 to 0.21 over the same period.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #32,939 | #36,286 | -10.16% |
| Count | 656 | 617 | -5.95% |
| Proportion per 100k | 0.24 | 0.21 | -12.5% |
Race and Ethnicity of people with the last name Deneau
In terms of ethnic identity, the Decennial U.S. Census reveals some changes for individuals with the Deneau surname from 2000 to 2010. In 2000, the majority of Deneaus identified as White (96.19%), but that percentage dropped to 92.06% by 2010. Additionally, there was a significant increase in those identifying as Hispanic, from 1.52% in 2000 to 3.57% in 2010. Those reporting two or more races also increased from 0.76% to 1.62%. Interestingly, in 2010, a portion of Deneaus began to identify as Black (1.78%), while none did so in 2000. Conversely, those identifying as American Indian and Alaskan Native went from 0.76% in 2000 to zero in 2010, and there were no respondents identifying as Asian/Pacific Islander in either year.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 96.19% | 92.06% | -4.29% |
| Hispanic | 1.52% | 3.57% | 134.87% |
| Black | 0% | 1.78% | 0% |
| Two or More Races | 0.76% | 1.62% | 113.16% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0.76% | 0% | 0% |