Explore the Family Name Trefz
The meaning of Trefz
South German: nickname for a good-for-nothing, from Middle High German trefze ‘weed’.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Trefz in the United States?
Based on the data from the Decennial U.S. Census, the surname Trefz has seen a slight fluctuation in popularity between 2000 and 2010. In 2000, it held rank 39,378, rising to 40,800 by 2010, marking a decrease in popularity by 3.61%. However, the count of individuals bearing this surname increased marginally from 526 to 535 during the same period, signifying a rise of 1.71%. The proportion per 100,000 people decreased by 5.26%, from 0.19 in 2000 to 0.18 in 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #39,378 | #40,800 | -3.61% |
| Count | 526 | 535 | 1.71% |
| Proportion per 100k | 0.19 | 0.18 | -5.26% |
Race and Ethnicity of people with the last name Trefz
From an ethnic identity standpoint, the Trefz surname is most common among those identifying as White according to the Decennial U.S. Census data. In 2000, individuals identifying as white held at 98.29%, with a slight decrease to 96.45% by 2010. Notably, there was no presence of this surname amongst Asian/Pacific Islander, Black, or American Indian and Alaskan Native communities in either year. It's worth mentioning that in 2010, there was a small emergence of the Trefz surname among those identifying as Hispanic at 2.06%, and those identifying with two or more races at 0.93%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 98.29% | 96.45% | -1.87% |
| Hispanic | 0% | 2.06% | 0% |
| Two or More Races | 0% | 0.93% | 0% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |