Explore the Family Name Theunissen
The meaning of Theunissen
Dutch and German: variant of Teunissen. This surname is also established in South Africa.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Theunissen in the United States?
Based on the Decennial U.S. Census data, the surname Theunissen has seen an uptick in popularity from 2000 to 2010. In 2000, the name ranked 73,154 in terms of popularity and increased in ranking to 72,105 in 2010, a change of approximately 1.43%. The actual count of people with the surname also increased from 247 individuals in 2000 to 270 in 2010, marking a growth rate of about 9.31%. The proportion per 100,000 people remained unchanged at 0.09.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #73,154 | #72,105 | 1.43% |
| Count | 247 | 270 | 9.31% |
| Proportion per 100k | 0.09 | 0.09 | 0% |
Race and Ethnicity of people with the last name Theunissen
The Decennial U.S. Census data also illuminates shifts in the ethnic identity associated with the Theunissen surname between 2000 and 2010. The majority of individuals identified as White, although this percentage decreased slightly from 97.57% to 95.19%. Meanwhile, there was a small emergence of individuals identifying as Asian/Pacific Islander and Hispanic, at 1.85% and 2.22% respectively. However, no individuals identified as Black, American Indian and Alaskan Native, or with two or more races during these years.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 97.57% | 95.19% | -2.44% |
| Hispanic | 0% | 2.22% | 0% |
| Asian/Pacific Islander | 0% | 1.85% | 0% |
| Two or More Races | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |