Explore the Family Name De Aguiar
The meaning of De Aguiar
Portuguese and Galician: variant of Aguiar, with the addition of preposition de ‘from’.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name De Aguiar in the United States?
Based on the Decennial U.S. Census data, the popularity of the surname 'De Aguiar' has seen a significant rise between 2000 and 2010. The ranking of the surname jumped from 85,996 in 2000 to 73,464 in 2010, an improvement of 14.57%. Furthermore, the count of individuals with this surname increased by 30.69% during the same period, going from 202 to 264. This equates to an increase in proportion per 100k from 0.07 in 2000 to 0.09 in 2010, marking a growth of 28.57%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #85,996 | #73,464 | 14.57% |
| Count | 202 | 264 | 30.69% |
| Proportion per 100k | 0.07 | 0.09 | 28.57% |
Race and Ethnicity of people with the last name De Aguiar
The ethnicity associated with the 'De Aguiar' surname also varied over the decade as per the Decennial U.S. Census data. In 2000, the largest ethnic identity among De Aguiars was White at 57.43%, which rose to 65.91% in 2010. The second-largest group identifying as Hispanic decreased slightly from 21.78% to 19.32% during this time span. Interestingly, the percentage of those identifying as Asian/Pacific Islander increased by 24.24%, reaching 4.92% in 2010. Those identifying with two or more races saw a substantial decrease, down by 56.94% to 6.82%. Lastly, the Black ethnic identity surfaced in 2010 at 3.03%, whereas it was suppressed in 2000 for privacy reasons. There was no change in the American Indian and Alaskan Native category.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 57.43% | 65.91% | 14.77% |
| Hispanic | 21.78% | 19.32% | -11.29% |
| Two or More Races | 15.84% | 6.82% | -56.94% |
| Asian/Pacific Islander | 3.96% | 4.92% | 24.24% |
| Black | 0% | 3.03% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |