Explore the Family Name Colclasure
The meaning of Colclasure
Americanized form of German Kalklöser (or of some other like-sounding surname): occupational name for someone who quarried lime, from Kalk ‘lime, chalk’ + an agent derivative of lösen ‘to loosen’. The surname Kalklöser is not found in Germany. Compare Colglazier. History: According to a passenger list, four persons called Kalcklöser arrived in Philadelphia, PA, aboard the Allen on September 11, 1729. Their descendants bear the surnames Colclasure and Colglazier.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Colclasure in the United States?
Based on the Decennial U.S. Census, the popularity of the surname Colclasure has remained relatively consistent from 2000 to 2010. In 2000, it was ranked 22,670th and slightly dipped to 22,689th in 2010, a decrease of 0.08%. Despite this slight drop in ranking, the actual count of individuals with this surname increased by 6.81%, from 1,058 in 2000 to 1,130 in 2010. However, when considering the proportion per 100k people, there was a small decline of 2.56%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #22,670 | #22,689 | -0.08% |
| Count | 1,058 | 1,130 | 6.81% |
| Proportion per 100k | 0.39 | 0.38 | -2.56% |
Race and Ethnicity of people with the last name Colclasure
When examining the ethnic identity associated with the surname Colclasure, data from the Decennial U.S. Census shows some interesting shifts between 2000 and 2010. The most significant proportion of individuals with this surname identified as White, accounting for 94.42% in 2000 and slightly decreasing to 93.54% in 2010. Meanwhile, the percentage identifying as Hispanic more than doubled from 1.42% to 2.65%. Those identifying as American Indian and Alaskan Native also saw an increase from 1.04% to 1.33%. On the other hand, the proportion that identified as Asian/Pacific Islander and Black declined by 44.21% and 6.38%, respectively. The group identifying as two or more races experienced a minor decrease from 1.70% to 1.50%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 94.42% | 93.54% | -0.93% |
| Hispanic | 1.42% | 2.65% | 86.62% |
| Two or More Races | 1.7% | 1.5% | -11.76% |
| American Indian and Alaskan Native | 1.04% | 1.33% | 27.88% |
| Asian/Pacific Islander | 0.95% | 0.53% | -44.21% |
| Black | 0.47% | 0.44% | -6.38% |