Explore the Family Name Semenza
The meaning of Semenza
Italian: from semenza ‘seeds’, possibly used for a seed merchant. Some characteristic forenames: Italian Amato, Angelo, Lorenzo, Nunzi.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Semenza in the United States?
Based on the Decennial U.S. Census data, the surname Semenza ranked 53,191 in popularity in 2000, but dropped to rank 56,073 in 2010, marking a decrease of 5.42%. Despite this decline in rank, the actual count of individuals with this surname remained stable at 365 people for both years. However, its proportion per 100,000 people fell by 14.29%, moving from 0.14 in 2000 to 0.12 in 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #53,191 | #56,073 | -5.42% |
| Count | 365 | 365 | 0% |
| Proportion per 100k | 0.14 | 0.12 | -14.29% |
Race and Ethnicity of people with the last name Semenza
In terms of ethnic identity, the Decennial U.S. Census data reveals that the majority of those with the Semenza surname identified as White, with the percentage increasing slightly from 95.34% in 2000 to 96.99% in 2010. There was a minor representation of Hispanic ethnicity, which decreased from 3.01% in 2000 to 2.19% in 2010. Other ethnicities such as Asian/Pacific Islander, those identifying as two or more races, Black, and American Indian and Alaskan Native all had no representation among individuals with the Semenza surname during these years.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 95.34% | 96.99% | 1.73% |
| Hispanic | 3.01% | 2.19% | -27.24% |
| 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% |