Explore the Family Name De Maso
The meaning of De Maso
Italian: patronymic from the personal name Maso, a short form of Tommaso, an equivalent of Thomas. This surname is very rare in Italy. Some characteristic forenames: Italian Angelo, Mauro, Nichola.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name De Maso in the United States?
Based on data from the Decennial U.S. Census, the popularity of the surname De Maso has seen a significant decrease between 2000 and 2010. In 2000, De Maso was ranked as the 72,466th most common surname in the United States, but by 2010 it dropped to the 86,005th position, indicating an 18.68% decrease in rank. The count or number of occurrences also reduced from 250 in 2000 to 217 in 2010, marking a 13.2% reduction. This led to a decline in the proportion per 100k, which fell by 22.22% from 0.09 in 2000 to 0.07 in 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #72,466 | #86,005 | -18.68% |
| Count | 250 | 217 | -13.2% |
| Proportion per 100k | 0.09 | 0.07 | -22.22% |
Race and Ethnicity of people with the last name De Maso
In terms of ethnic identity, based on the Decennial U.S. Census, the De Maso surname is predominantly associated with White identity. In both 2000 and 2010, over 95% of individuals with this surname identified as White, with a slight increase from 95.60% in 2000 to 95.85% in 2010. A smaller portion identified as Hispanic, increasing from 2.00% in 2000 to 2.30% in 2010, marking a 15% rise. There were no recorded instances of De Maso individuals identifying as Asian/Pacific Islander, Black, or American Indian and Alaskan Native during these years.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 95.6% | 95.85% | 0.26% |
| Hispanic | 2% | 2.3% | 15% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Two or More Races | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |